Attachment 828434 Details for Bug 1033971 – build.log extract containing the multiple kernel stack traces that happen

build.log extract containing the multiple kernel stack traces that happen

build.txt (text/plain), 1.66 MB, created by Richard W.M. Jones on 2013-11-24 22:10:28 UTC

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Creator: Richard W.M. Jones

Created: 2013-11-24 22:10:28 UTC

Size: 1.66 MB

patch

obsolete

>[    0.000000] Initializing cgroup subsys cpuset
>[    0.000000] Initializing cgroup subsys cpu
>[    0.000000] Initializing cgroup subsys cpuacct
>[    0.000000] Linux version 3.13.0-0.rc1.git0.1.fc21.x86_64+debug (mockbuild@bkernel02) (gcc version 4.8.2 20131111 (Red Hat 4.8.2-4) (GCC) ) #1 SMP Sat Nov 23 13:47:39 UTC 2013
>[    0.000000] Command line: panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sde selinux=0 guestfs_verbose=1 TERM=vt100
>[    0.000000] e820: BIOS-provided physical RAM map:
>[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
>[    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
>[    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
>[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001f3fffff] usable
>[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
>[    0.000000] NX (Execute Disable) protection: active
>[    0.000000] SMBIOS 2.4 present.
>[    0.000000] e820: last_pfn = 0x1f400 max_arch_pfn = 0x400000000
>[    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
>[    0.000000] found SMP MP-table at [mem 0x000f17a0-0x000f17af] mapped at [ffff8800000f17a0]
>[    0.000000] Scanning 1 areas for low memory corruption
>[    0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
>[    0.000000] init_memory_mapping: [mem 0x1f000000-0x1f1fffff]
>[    0.000000] init_memory_mapping: [mem 0x1c000000-0x1effffff]
>[    0.000000] init_memory_mapping: [mem 0x00100000-0x1bffffff]
>[    0.000000] init_memory_mapping: [mem 0x1f200000-0x1f3fffff]
>[    0.000000] RAMDISK: [mem 0x1f24d000-0x1f3effff]
>[    0.000000] No NUMA configuration found
>[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000001f3fffff]
>[    0.000000] Initmem setup node 0 [mem 0x00000000-0x1f3fffff]
>[    0.000000]   NODE_DATA [mem 0x1f238000-0x1f24cfff]
>[    0.000000] Zone ranges:
>[    0.000000]   DMA      [mem 0x00001000-0x00ffffff]
>[    0.000000]   DMA32    [mem 0x01000000-0xffffffff]
>[    0.000000]   Normal   empty
>[    0.000000] Movable zone start for each node
>[    0.000000] Early memory node ranges
>[    0.000000]   node   0: [mem 0x00001000-0x0009efff]
>[    0.000000]   node   0: [mem 0x00100000-0x1f3fffff]
>[    0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org
>[    0.000000] Intel MultiProcessor Specification v1.4
>[    0.000000] MPTABLE: OEM ID: BOCHSCPU
>[    0.000000] MPTABLE: Product ID: 0.1         
>[    0.000000] MPTABLE: APIC at: 0xFEE00000
>[    0.000000] Processor #0 (Bootup-CPU)
>[    0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
>[    0.000000] Processors: 1
>[    0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs
>[    0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
>[    0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
>[    0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
>[    0.000000] e820: [mem 0x1f400000-0xfffbffff] available for PCI devices
>[    0.000000] Booting paravirtualized kernel on bare hardware
>[    0.000000] setup_percpu: NR_CPUS:1024 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1
>[    0.000000] PERCPU: Embedded 478 pages/cpu @ffff88001f000000 s1925248 r8192 d24448 u2097152
>[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 125881
>[    0.000000] Policy zone: DMA32
>[    0.000000] Kernel command line: panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sde selinux=0 guestfs_verbose=1 TERM=vt100
>[    0.000000] Disabling memory control group subsystem
>[    0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
>[    0.000000] Memory: 470552K/511608K available (7607K kernel code, 1211K rwdata, 3168K rodata, 3472K init, 11988K bss, 41056K reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
>[    0.000000] Hierarchical RCU implementation.
>[    0.000000] \tRCU lockdep checking is enabled.
>[    0.000000] \tRCU restricting CPUs from NR_CPUS=1024 to nr_cpu_ids=1.
>[    0.000000] NR_IRQS:65792 nr_irqs:256 16
>[    0.000000] Console: colour *CGA 80x25
>[    0.000000] console [ttyS0] enabled
>[    0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
>[    0.000000] ... MAX_LOCKDEP_SUBCLASSES:  8
>[    0.000000] ... MAX_LOCK_DEPTH:          48
>[    0.000000] ... MAX_LOCKDEP_KEYS:        8191
>[    0.000000] ... CLASSHASH_SIZE:          4096
>[    0.000000] ... MAX_LOCKDEP_ENTRIES:     16384
>[    0.000000] ... MAX_LOCKDEP_CHAINS:      32768
>[    0.000000] ... CHAINHASH_SIZE:          16384
>[    0.000000]  memory used by lock dependency info: 6367 kB
>[    0.000000]  per task-struct memory footprint: 2688 bytes
>[    0.000000] kmemleak: Kernel memory leak detector disabled
>[    0.000000] tsc: Fast TSC calibration using PIT
>[    0.000000] tsc: Detected 2533.448 MHz processor
>[    0.008000] Calibrating delay loop (skipped), value calculated using timer frequency.. 5066.89 BogoMIPS (lpj=2533448)
>[    0.010203] pid_max: default: 32768 minimum: 301
>[    0.021140] Security Framework initialized
>[    0.024715] SELinux:  Disabled at boot.
>[    0.043317] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
>[    0.049246] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
>[    0.052125] Mount-cache hash table entries: 256
>[    0.117221] Initializing cgroup subsys memory
>[    0.120224] Initializing cgroup subsys devices
>[    0.121145] Initializing cgroup subsys freezer
>[    0.122372] Initializing cgroup subsys net_cls
>[    0.123148] Initializing cgroup subsys blkio
>[    0.123423] Initializing cgroup subsys perf_event
>[    0.124273] Initializing cgroup subsys hugetlb
>[    0.132363] mce: CPU supports 10 MCE banks
>[    0.135181] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
>[    0.135181] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0
>[    0.135181] tlb_flushall_shift: -1
>[    0.719497] Freeing SMP alternatives memory: 24K (ffffffff82094000 - ffffffff8209a000)
>[    0.741813] ftrace: allocating 25869 entries in 102 pages
>[    0.898000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.899137] smpboot: CPU0: AMD QEMU Virtual CPU version 1.6.91 (fam: 06, model: 06, stepping: 03)
>[    1.003634] Performance Events: Broken PMU hardware detected, using software events only.
>[    1.004633] Failed to access perfctr msr (MSR c0010004 is 0)
>[    1.107441] x86: Booted up 1 node, 1 CPUs
>[    1.107795] smpboot: Total of 1 processors activated (5066.89 BogoMIPS)
>[    1.114248] NMI watchdog: disabled (cpu0): hardware events not enabled
>[    1.184474] devtmpfs: initialized
>[    1.415782] atomic64 test passed for x86-64 platform with CX8 and with SSE
>[    1.416093] pinctrl core: initialized pinctrl subsystem
>[    1.425851] RTC time:  0:22:26, date: 11/24/13
>[    1.441728] NET: Registered protocol family 16
>[    1.474652] cpuidle: using governor menu
>[    1.501301] PCI: Using configuration type 1 for base access
>[    1.994555] bio: create slab <bio-0> at 0
>[    2.016494] ACPI: Interpreter disabled.
>[    2.042395] vgaarb: loaded
>[    2.078353] SCSI subsystem initialized
>[    2.101478] usbcore: registered new interface driver usbfs
>[    2.105463] usbcore: registered new interface driver hub
>[    2.109587] usbcore: registered new device driver usb
>[    2.127581] PCI: Probing PCI hardware
>[    2.139542] PCI host bridge to bus 0000:00
>[    2.140936] pci_bus 0000:00: root bus resource [io  0x0000-0xffff]
>[    2.141271] pci_bus 0000:00: root bus resource [mem 0x00000000-0xffffffffff]
>[    2.142260] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
>[    2.277263] pci 0000:00:01.0: PIIX/ICH IRQ router [8086:7000]
>[    2.320626] NetLabel: Initializing
>[    2.321099] NetLabel:  domain hash size = 128
>[    2.321284] NetLabel:  protocols = UNLABELED CIPSOv4
>[    2.329897] NetLabel:  unlabeled traffic allowed by default
>[    2.336240] Switched to clocksource refined-jiffies
>[    5.605727] pnp: PnP ACPI: disabled
>[    6.204705] NET: Registered protocol family 2
>[    6.256947] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
>[    6.261572] TCP bind hash table entries: 4096 (order: 6, 327680 bytes)
>[    6.267748] TCP: Hash tables configured (established 4096 bind 4096)
>[    6.270967] TCP: reno registered
>[    6.272594] UDP hash table entries: 256 (order: 3, 49152 bytes)
>[    6.274902] UDP-Lite hash table entries: 256 (order: 3, 49152 bytes)
>[    6.293866] NET: Registered protocol family 1
>[    6.296543] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
>[    6.296973] pci 0000:00:01.0: PIIX3: Enabling Passive Release
>[    6.297905] pci 0000:00:01.0: Activating ISA DMA hang workarounds
>[    6.301346] pci 0000:00:01.2: PCI->APIC IRQ transform: INT D -> IRQ 35
>[    6.333869] Unpacking initramfs...
>[    6.608894] Freeing initrd memory: 1676K (ffff88001f24d000 - ffff88001f3f0000)
>[   13.693939] DMA-API: preallocated 65536 debug entries
>[   13.694374] DMA-API: debugging enabled by kernel config
>[   13.704818] platform rtc_cmos: registered platform RTC device (no PNP device found)
>[   13.749563] Scanning for low memory corruption every 60 seconds
>[   13.784766] cryptomgr_test (22) used greatest stack depth: 6328 bytes left
>[   13.863646] Initialise system trusted keyring
>[   13.872522] audit: initializing netlink socket (disabled)
>[   13.876365] type=2000 audit(1385252557.875:1): initialized
>[   14.098570] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[   14.700675] Switched to clocksource tsc
>[   14.981936] zbud: loaded
>[   15.160977] VFS: Disk quotas dquot_6.5.2
>[   15.172414] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>[   15.354305] msgmni has been set to 922
>[   15.373157] Key type big_key registered
>[   15.393150] cryptomgr_test (28) used greatest stack depth: 5256 bytes left
>[   15.506040] alg: No test for stdrng (krng)
>[   15.507042] NET: Registered protocol family 38
>[   15.508686] Key type asymmetric registered
>[   15.509151] Asymmetric key parser 'x509' registered
>[   15.526173] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
>[   15.530935] io scheduler noop registered
>[   15.531221] io scheduler deadline registered
>[   15.549081] io scheduler cfq registered (default)
>[   15.735750] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>[   15.744797] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
>[   15.779297] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>[   15.822956] serial8250: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
>[   15.936157] Non-volatile memory driver v1.3
>[   15.936762] Linux agpgart interface v0.103
>[   16.127083] scsi0 : ata_piix
>[   16.174015] scsi1 : ata_piix
>[   16.191070] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc0a0 irq 14
>[   16.191779] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc0a8 irq 15
>[   16.225965] libphy: Fixed MDIO Bus: probed
>[   16.239462] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[   16.240855] ehci-pci: EHCI PCI platform driver
>[   16.243755] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>[   16.244077] ohci-pci: OHCI PCI platform driver
>[   16.247060] uhci_hcd: USB Universal Host Controller Interface driver
>[   16.264047] uhci_hcd 0000:00:01.2: PCI->APIC IRQ transform: INT D -> IRQ 35
>[   16.270080] uhci_hcd 0000:00:01.2: UHCI Host Controller
>[   16.294006] uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1
>[   16.300136] uhci_hcd 0000:00:01.2: irq 35, io base 0x0000c040
>[   16.330176] usb usb1: New USB device found, idVendor=1d6b, idProduct=0001
>[   16.330869] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[   16.331654] usb usb1: Product: UHCI Host Controller
>[   16.331933] usb usb1: Manufacturer: Linux 3.13.0-0.rc1.git0.1.fc21.x86_64+debug uhci_hcd
>[   16.332814] usb usb1: SerialNumber: 0000:00:01.2
>[   16.395533] hub 1-0:1.0: USB hub found
>[   16.401670] hub 1-0:1.0: 2 ports detected
>[   16.476541] usbcore: registered new interface driver usbserial
>[   16.479797] usbcore: registered new interface driver usbserial_generic
>[   16.484544] usbserial: USB Serial support registered for generic
>[   16.493593] i8042: PNP: No PS/2 controller found. Probing ports directly.
>[   16.515648] serio: i8042 KBD port at 0x60,0x64 irq 1
>[   16.518630] serio: i8042 AUX port at 0x60,0x64 irq 12
>[   16.554750] mousedev: PS/2 mouse device common for all mice
>[   16.635954] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
>[   16.643614] rtc_cmos rtc_cmos: alarms up to one day, 114 bytes nvram
>[   16.645805] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0
>[   16.710820] device-mapper: uevent: version 1.0.3
>[   16.766922] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com
>[   16.818914] hidraw: raw HID events driver (C) Jiri Kosina
>[   16.865523] usbcore: registered new interface driver usbhid
>[   16.865825] usbhid: USB HID core driver
>[   16.877748] drop_monitor: Initializing network drop monitor service
>[   16.889645] ip_tables: (C) 2000-2006 Netfilter Core Team
>[   16.900489] TCP: cubic registered
>[   16.900885] Initializing XFRM netlink socket
>[   16.978446] NET: Registered protocol family 10
>[   17.060824] mip6: Mobile IPv6
>[   17.061955] NET: Registered protocol family 17
>[   17.116498] Loading compiled-in X.509 certificates
>[   17.148689] Loaded X.509 cert 'Fedora kernel signing key: 45a0a795663cdc3bb83c63d5355cbb4800e1a462'
>[   17.158495] registered taskstats version 1
>[   17.202752]   Magic number: 5:653:355
>[   17.205398] rtc_cmos rtc_cmos: setting system clock to 2013-11-24 00:22:42 UTC (1385252562)
>[   17.350513] Freeing unused kernel memory: 3472K (ffffffff81d30000 - ffffffff82094000)
>[   17.351370] Write protecting the kernel read-only data: 12288k
>[   17.402530] Freeing unused kernel memory: 572K (ffff880001771000 - ffff880001800000)
>[   17.458964] Freeing unused kernel memory: 928K (ffff880001b18000 - ffff880001c00000)
>supermin: mounting /proc
>supermin: uptime: 17.63 0.71
>supermin: ext2 mini initrd starting up: 4.1.5 zlib
>supermin: cmdline: panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sde selinux=0 guestfs_verbose=1 TERM=vt100
>supermin: mounting /sys
>supermin: internal insmod megaraid_mm.ko
>[   17.807818] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input2
>[   17.830415] megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)
>supermin: internal insmod megaraid_mbox.ko
>[   17.915542] megaraid: 2.20.5.1 (Release Date: Thu Nov 16 15:32:35 EST 2006)
>supermin: internal insmod megaraid_sas.ko
>[   18.011548] megasas: 06.700.06.00-rc1 Sat. Aug. 31 17:00:00 PDT 2013
>supermin: internal insmod megaraid.ko
>supermin: internal insmod libcrc32c.ko
>supermin: internal insmod crc32c-intel.ko
>insmod: init_module: crc32c-intel.ko: No such device
>supermin: internal insmod crc32-pclmul.ko
>[   18.246620] PCLMULQDQ-NI instructions are not detected.
>insmod: init_module: crc32-pclmul.ko: No such device
>supermin: internal insmod crct10dif-pclmul.ko
>insmod: init_module: crct10dif-pclmul.ko: No such device
>supermin: internal insmod crc-itu-t.ko
>supermin: internal insmod crc32.ko
>[   18.371663] alg: No test for crc32 (crc32-table)
>supermin: internal insmod crc-ccitt.ko
>supermin: internal insmod crc8.ko
>supermin: internal insmod scsi_transport_spi.ko
>supermin: internal insmod sym53c8xx.ko
>supermin: internal insmod ideapad_slidebar.ko
>[   18.579375] ideapad_slidebar: DMI does not match
>insmod: init_module: ideapad_slidebar.ko: No such device
>supermin: internal insmod rfkill.ko
>supermin: internal insmod sparse-keymap.ko
>supermin: internal insmod ideapad-laptop.ko
>supermin: internal insmod virtio.ko
>supermin: internal insmod virtio_ring.ko
>supermin: internal insmod virtio-rng.ko
>supermin: internal insmod virtio_console.ko
>supermin: internal insmod virtio_blk.ko
>supermin: internal insmod virtio_scsi.ko
>supermin: internal insmod virtio_net.ko
>supermin: internal insmod virtio_mmio.ko
>supermin: internal insmod virtio_pci.ko
>[   19.144606] virtio-pci 0000:00:02.0: PCI->APIC IRQ transform: INT A -> IRQ 34
>[   19.277767] scsi2 : Virtio SCSI HBA
>[   19.328448] virtio-pci 0000:00:03.0: PCI->APIC IRQ transform: INT A -> IRQ 35
>[   19.406177] scsi 2:0:0:0: Direct-Access     QEMU     QEMU HARDDISK    1.6. PQ: 0 ANSI: 5
>[   19.483370] scsi 2:0:1:0: Direct-Access     QEMU     QEMU HARDDISK    1.6. PQ: 0 ANSI: 5
>[   19.506259] scsi 2:0:2:0: Direct-Access     QEMU     QEMU HARDDISK    1.6. PQ: 0 ANSI: 5
>[   19.538676] scsi 2:0:3:0: Direct-Access     QEMU     QEMU HARDDISK    1.6. PQ: 0 ANSI: 5
>[   19.579401] scsi 2:0:4:0: Direct-Access     QEMU     QEMU HARDDISK    1.6. PQ: 0 ANSI: 5
>[   19.921651] virtio-pci 0000:00:04.0: PCI->APIC IRQ transform: INT A -> IRQ 35
>[   24.322691] sd 2:0:0:0: [sda] 204800 512-byte logical blocks: (104 MB/100 MiB)
>[   24.356411] sd 2:0:0:0: Attached scsi generic sg0 type 0
>[   24.363841] sd 2:0:0:0: [sda] Write Protect is off
>[   24.384705] sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[   24.475607] sd 2:0:1:0: [sdb] 204800 512-byte logical blocks: (104 MB/100 MiB)
>[   24.536792] sd 2:0:1:0: Attached scsi generic sg1 type 0
>[   24.542800] sd 2:0:1:0: [sdb] Write Protect is off
>[   24.570687] sd 2:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[   24.618910]  sda: sda1 sda2 sda3 sda4
>[   24.701499] sd 2:0:2:0: [sdc] 204800 512-byte logical blocks: (104 MB/100 MiB)
>[   24.775731] sd 2:0:2:0: Attached scsi generic sg2 type 0
>[   24.778606] sd 2:0:2:0: [sdc] Write Protect is off
>[   24.798354] sd 2:0:2:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[   24.815810]  sdb: sdb1 sdb2 sdb3 sdb4
>[   24.996631] sd 2:0:3:0: [sdd] 204800 512-byte logical blocks: (104 MB/100 MiB)
>[   25.090306] sd 2:0:3:0: Attached scsi generic sg3 type 0
>[   25.101809] sd 2:0:3:0: [sdd] Write Protect is off
>[   25.110555]  sdc: sdc1 sdc2 sdc3 sdc4
>[   25.139512] sd 2:0:3:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[   25.158391] sd 2:0:0:0: [sda] Attached SCSI disk
>[   25.326607] sd 2:0:4:0: [sde] 8388608 512-byte logical blocks: (4.29 GB/4.00 GiB)
>[   25.331415] sd 2:0:1:0: [sdb] Attached SCSI disk
>[   25.399720] sd 2:0:4:0: Attached scsi generic sg4 type 0
>[   25.408458] sd 2:0:4:0: [sde] Write Protect is off
>[   25.433660] sd 2:0:4:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[   25.450165]  sdd: sdd1 sdd2 sdd3 sdd4
>[   25.550435] sd 2:0:2:0: [sdc] Attached SCSI disk
>[   25.644118]  sde: unknown partition table
>[   25.728595] sd 2:0:3:0: [sdd] Attached SCSI disk
>[   25.754559] sd 2:0:4:0: [sde] Attached SCSI disk
>supermin: internal insmod virtio_balloon.ko
>supermin: picked /sys/block/sde/dev as root device
>supermin: creating /dev/root as block special 8:64
>supermin: mounting new root on /root
>[   25.947447] EXT4-fs (sde): mounting ext2 file system using the ext4 subsystem
>[   26.182408] EXT4-fs (sde): mounted filesystem without journal. Opts: 
>supermin: chroot
>[   26.373217] random: nonblocking pool is initialized
>Starting /init script ...
>[   28.196969] mkdir (54) used greatest stack depth: 3272 bytes left
>[   31.579938] systemd-udevd[64]: starting version 208
>[   49.161209] microcode: AMD CPU family 0x6 not supported
>[   51.230050] input: PC Speaker as /devices/platform/pcspkr/input/input3
>[   51.620678] PCSP: Timer resolution is not sufficient (1000000nS)
>[   51.621044] PCSP: Make sure you have HPET and ACPI enabled.
>[   51.621714] PCSP: Turned into nopcm mode.
>[   58.714549] kvm: Nested Virtualization enabled
>[/usr/lib/tmpfiles.d/systemd.conf:28] Failed to replace specifiers: /var/log/journal/%m
>[/usr/lib/tmpfiles.d/systemd.conf:30] Failed to replace specifiers: /run/log/journal/%m
>/init: line 69: /sys/block/hd*/queue/scheduler: No such file or directory
>/init: line 69: /sys/block/ubd*/queue/scheduler: No such file or directory
>/init: line 69: /sys/block/vd*/queue/scheduler: No such file or directory
>Cannot find device "eth0"
>Cannot find device "eth0"
>[   75.106319] Clocksource tsc unstable (delta = 140982701 ns)
>[   75.122056] Switched to clocksource refined-jiffies
>RTNETLINK answers: Network is unreachable
>[   76.734977] md: md127 stopped.
>[   76.916786] md: bind<sdd3>
>[   76.962647] md: bind<sdc3>
>[   77.675626] async_tx: api initialized (async)
>[   77.792601] xor: measuring software checksum speed
>[   77.803516]    prefetch64-sse:   496.000 MB/sec
>[   77.813454]    generic_sse:   468.000 MB/sec
>[   77.813779] xor: using function: prefetch64-sse (496.000 MB/sec)
>[   78.122609] raid6: sse2x1     144 MB/s
>[   78.139565] raid6: sse2x2     152 MB/s
>[   78.156526] raid6: sse2x4     144 MB/s
>[   78.156795] raid6: using algorithm sse2x2 (152 MB/s)
>[   78.157578] raid6: using intx1 recovery algorithm
>[   78.834512] md: raid6 personality registered for level 6
>[   78.835331] md: raid5 personality registered for level 5
>[   78.835606] md: raid4 personality registered for level 4
>[   78.948668] md/raid:md127: device sdc3 operational as raid disk 0
>[   78.949273] md/raid:md127: device sdd3 operational as raid disk 1
>[   79.314283] md/raid:md127: allocated 0kB
>[   79.323603] md/raid:md127: raid level 5 active with 2 out of 2 devices, algorithm 2
>[   79.364394] md127: detected capacity change from 0 to 1048576
>mdadm: /dev/md/r5t3 has been started with 2 drives.
>[   80.978087]  md127: unknown partition table
>[   82.503804] md: md126 stopped.
>[   82.705215] md: bind<sdb2>
>[   82.748094] md: bind<sdc2>
>[   82.792088] md: bind<sdd2>
>[   82.830058] md: bind<sda2>
>[   83.335413] md/raid:md126: device sda2 operational as raid disk 0
>[   83.336725] md/raid:md126: device sdd2 operational as raid disk 3
>[   83.337575] md/raid:md126: device sdc2 operational as raid disk 2
>[   83.338579] md/raid:md126: device sdb2 operational as raid disk 1
>[   83.686789] md/raid:md126: allocated 0kB
>[   83.697578] md/raid:md126: raid level 5 active with 4 out of 4 devices, algorithm 2
>[   83.719994] md126: detected capacity change from 0 to 3145728
>mdadm: /dev/md/r5t1 has been started with 4 drives.
>[   86.149444]  md126: unknown partition table
>[   88.716138] md: md125 stopped.
>[   88.832100] md: bind<sdd1>
>[   88.864092] md: bind<sdc1>
>[   89.467067] md: raid1 personality registered for level 1
>[   89.664293] md/raid1:md125: active with 2 out of 2 mirrors
>[   89.682829] md125: detected capacity change from 0 to 2031616
>mdadm: /dev/md/r1t2 has been started with 2 drives.
>[   90.950825]  md125: unknown partition table
>[   93.056337] md: md124 stopped.
>[   93.186564] md: bind<sdb3>
>[   93.225486] md: bind<sda3>
>[   93.775273] md/raid:md124: device sda3 operational as raid disk 1
>[   93.776013] md/raid:md124: device sdb3 operational as raid disk 2
>[   94.082154] md/raid:md124: allocated 0kB
>[   94.090099] md/raid:md124: raid level 5 active with 2 out of 3 devices, algorithm 2
>[   94.106148] md124: detected capacity change from 0 to 2097152
>mdadm: /dev/md/r5t2 has been started with 2 drives (out of 3).
>[   95.234144]  md124: unknown partition table
>[   97.641767] md: md123 stopped.
>[   97.768130] md: bind<sdb1>
>[   97.807766] md: bind<sda1>
>[   98.542586] md/raid1:md123: active with 2 out of 2 mirrors
>[   98.555447] md123: detected capacity change from 0 to 2031616
>mdadm: /dev/md/r1t1 has been started with 2 drives.
>[  100.470342]  md123: unknown partition table
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  WARNING: Failed to connect to lvmetad: No such file or directory. Falling back to internal scanning.
>  Reading all physical volumes.  This may take a while...
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  No volume groups found
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  WARNING: Failed to connect to lvmetad: No such file or directory. Falling back to internal scanning.
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  No volume groups found
>[
>]
>Linux (none) 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1 SMP Sat Nov 23 13:47:39 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
>/dev:
>total 0
>crw------- 1 root root  10, 235 Nov 24 00:23 autofs
>drwxr-xr-x 2 root root      560 Nov 24 00:24 block
>drwxr-xr-x 2 root root      140 Nov 24 00:22 bsg
>crw------- 1 root root  10, 234 Nov 24 00:23 btrfs-control
>drwxr-xr-x 3 root root       60 Nov 24 00:22 bus
>drwxr-xr-x 2 root root     2440 Nov 24 00:23 char
>crw------- 1 root root   5,   1 Nov 24 00:23 console
>lrwxrwxrwx 1 root root       11 Nov 24 00:22 core -> /proc/kcore
>drwxr-xr-x 3 root root       80 Nov 24 00:23 cpu
>crw------- 1 root root  10,  62 Nov 24 00:23 cpu_dma_latency
>crw------- 1 root root  10, 203 Nov 24 00:23 cuse
>drwxr-xr-x 5 root root      100 Nov 24 00:23 disk
>lrwxrwxrwx 1 root root       13 Nov 24 00:22 fd -> /proc/self/fd
>crw-rw-rw- 1 root root   1,   7 Nov 24 00:23 full
>crw------- 1 root root  10, 229 Nov 24 00:23 fuse
>drwxr-xr-x 3 root root      160 Nov 24 00:23 input
>crw-r--r-- 1 root root   1,  11 Nov 24 00:23 kmsg
>crw------- 1 root root  10, 232 Nov 24 00:23 kvm
>crw------- 1 root root  10, 237 Nov 24 00:23 loop-control
>drwxr-xr-x 2 root root       60 Nov 24 00:22 mapper
>crw------- 1 root root  10, 227 Nov 24 00:23 mcelog
>drwxr-xr-x 2 root root      140 Nov 24 00:24 md
>brw-rw---- 1 root disk   9, 123 Nov 24 00:24 md123
>brw-rw---- 1 root disk   9, 124 Nov 24 00:24 md124
>brw-rw---- 1 root disk   9, 125 Nov 24 00:24 md125
>brw-rw---- 1 root disk   9, 126 Nov 24 00:23 md126
>brw-rw---- 1 root disk   9, 127 Nov 24 00:23 md127
>crw------- 1 root root  10,  59 Nov 24 00:23 megadev0
>crw------- 1 root root   1,   1 Nov 24 00:23 mem
>drwxr-xr-x 2 root root       60 Nov 24 00:23 net
>crw------- 1 root root  10,  61 Nov 24 00:23 network_latency
>crw------- 1 root root  10,  60 Nov 24 00:23 network_throughput
>crw-rw-rw- 1 root root   1,   3 Nov 24 00:23 null
>crw------- 1 root root  10, 144 Nov 24 00:23 nvram
>crw------- 1 root root   1,   4 Nov 24 00:23 port
>crw------- 1 root root 108,   0 Nov 24 00:23 ppp
>crw-rw-rw- 1 root root   5,   2 Nov 24 00:23 ptmx
>crw-rw-rw- 1 root root   1,   8 Nov 24 00:23 random
>drwxr-xr-x 2 root root       60 Nov 24 00:22 raw
>crw------- 1 root root  10,  58 Nov 24 00:23 rfkill
>lrwxrwxrwx 1 root root        4 Nov 24 00:23 rtc -> rtc0
>crw------- 1 root root 254,   0 Nov 24 00:23 rtc0
>brw------- 1 root root   8,   0 Nov 24 00:23 sda
>brw------- 1 root root   8,   1 Nov 24 00:24 sda1
>brw------- 1 root root   8,   2 Nov 24 00:23 sda2
>brw------- 1 root root   8,   3 Nov 24 00:23 sda3
>brw------- 1 root root   8,   4 Nov 24 00:23 sda4
>brw------- 1 root root   8,  16 Nov 24 00:23 sdb
>brw------- 1 root root   8,  17 Nov 24 00:24 sdb1
>brw------- 1 root root   8,  18 Nov 24 00:23 sdb2
>brw------- 1 root root   8,  19 Nov 24 00:23 sdb3
>brw------- 1 root root   8,  20 Nov 24 00:23 sdb4
>brw------- 1 root root   8,  32 Nov 24 00:23 sdc
>brw------- 1 root root   8,  33 Nov 24 00:23 sdc1
>brw------- 1 root root   8,  34 Nov 24 00:23 sdc2
>brw------- 1 root root   8,  35 Nov 24 00:23 sdc3
>brw------- 1 root root   8,  36 Nov 24 00:23 sdc4
>brw------- 1 root root   8,  48 Nov 24 00:23 sdd
>brw------- 1 root root   8,  49 Nov 24 00:23 sdd1
>brw------- 1 root root   8,  50 Nov 24 00:23 sdd2
>brw------- 1 root root   8,  51 Nov 24 00:23 sdd3
>brw------- 1 root root   8,  52 Nov 24 00:23 sdd4
>brw------- 1 root root   8,  64 Nov 24 00:23 sde
>crw------- 1 root root  21,   0 Nov 24 00:23 sg0
>crw------- 1 root root  21,   1 Nov 24 00:23 sg1
>crw------- 1 root root  21,   2 Nov 24 00:23 sg2
>crw------- 1 root root  21,   3 Nov 24 00:23 sg3
>crw------- 1 root root  21,   4 Nov 24 00:23 sg4
>crw------- 1 root root  10, 231 Nov 24 00:23 snapshot
>drwxr-xr-x 3 root root      120 Nov 24 00:23 snd
>lrwxrwxrwx 1 root root       15 Nov 24 00:22 stderr -> /proc/self/fd/2
>lrwxrwxrwx 1 root root       15 Nov 24 00:22 stdin -> /proc/self/fd/0
>lrwxrwxrwx 1 root root       15 Nov 24 00:22 stdout -> /proc/self/fd/1
>crw-rw-rw- 1 root root   5,   0 Nov 24 00:23 tty
>crw------- 1 root root   4,   0 Nov 24 00:23 tty0
>crw------- 1 root root   4,   1 Nov 24 00:23 tty1
>crw------- 1 root root   4,  10 Nov 24 00:23 tty10
>crw------- 1 root root   4,  11 Nov 24 00:23 tty11
>crw------- 1 root root   4,  12 Nov 24 00:23 tty12
>crw------- 1 root root   4,  13 Nov 24 00:23 tty13
>crw------- 1 root root   4,  14 Nov 24 00:23 tty14
>crw------- 1 root root   4,  15 Nov 24 00:23 tty15
>crw------- 1 root root   4,  16 Nov 24 00:23 tty16
>crw------- 1 root root   4,  17 Nov 24 00:23 tty17
>crw------- 1 root root   4,  18 Nov 24 00:23 tty18
>crw------- 1 root root   4,  19 Nov 24 00:23 tty19
>crw------- 1 root root   4,   2 Nov 24 00:23 tty2
>crw------- 1 root root   4,  20 Nov 24 00:23 tty20
>crw------- 1 root root   4,  21 Nov 24 00:23 tty21
>crw------- 1 root root   4,  22 Nov 24 00:23 tty22
>crw------- 1 root root   4,  23 Nov 24 00:23 tty23
>crw------- 1 root root   4,  24 Nov 24 00:23 tty24
>crw------- 1 root root   4,  25 Nov 24 00:23 tty25
>crw------- 1 root root   4,  26 Nov 24 00:23 tty26
>crw------- 1 root root   4,  27 Nov 24 00:23 tty27
>crw------- 1 root root   4,  28 Nov 24 00:23 tty28
>crw------- 1 root root   4,  29 Nov 24 00:23 tty29
>crw------- 1 root root   4,   3 Nov 24 00:23 tty3
>crw------- 1 root root   4,  30 Nov 24 00:23 tty30
>crw------- 1 root root   4,  31 Nov 24 00:23 tty31
>crw------- 1 root root   4,  32 Nov 24 00:23 tty32
>crw------- 1 root root   4,  33 Nov 24 00:23 tty33
>crw------- 1 root root   4,  34 Nov 24 00:23 tty34
>crw------- 1 root root   4,  35 Nov 24 00:23 tty35
>crw------- 1 root root   4,  36 Nov 24 00:23 tty36
>crw------- 1 root root   4,  37 Nov 24 00:23 tty37
>crw------- 1 root root   4,  38 Nov 24 00:23 tty38
>crw------- 1 root root   4,  39 Nov 24 00:23 tty39
>crw------- 1 root root   4,   4 Nov 24 00:23 tty4
>crw------- 1 root root   4,  40 Nov 24 00:23 tty40
>crw------- 1 root root   4,  41 Nov 24 00:23 tty41
>crw------- 1 root root   4,  42 Nov 24 00:23 tty42
>crw------- 1 root root   4,  43 Nov 24 00:23 tty43
>crw------- 1 root root   4,  44 Nov 24 00:23 tty44
>crw------- 1 root root   4,  45 Nov 24 00:23 tty45
>crw------- 1 root root   4,  46 Nov 24 00:23 tty46
>crw------- 1 root root   4,  47 Nov 24 00:23 tty47
>crw------- 1 root root   4,  48 Nov 24 00:23 tty48
>crw------- 1 root root   4,  49 Nov 24 00:23 tty49
>crw------- 1 root root   4,   5 Nov 24 00:23 tty5
>crw------- 1 root root   4,  50 Nov 24 00:23 tty50
>crw------- 1 root root   4,  51 Nov 24 00:23 tty51
>crw------- 1 root root   4,  52 Nov 24 00:23 tty52
>crw------- 1 root root   4,  53 Nov 24 00:23 tty53
>crw------- 1 root root   4,  54 Nov 24 00:23 tty54
>crw------- 1 root root   4,  55 Nov 24 00:23 tty55
>crw------- 1 root root   4,  56 Nov 24 00:23 tty56
>crw------- 1 root root   4,  57 Nov 24 00:23 tty57
>crw------- 1 root root   4,  58 Nov 24 00:23 tty58
>crw------- 1 root root   4,  59 Nov 24 00:23 tty59
>crw------- 1 root root   4,   6 Nov 24 00:23 tty6
>crw------- 1 root root   4,  60 Nov 24 00:23 tty60
>crw------- 1 root root   4,  61 Nov 24 00:23 tty61
>crw------- 1 root root   4,  62 Nov 24 00:23 tty62
>crw------- 1 root root   4,  63 Nov 24 00:23 tty63
>crw------- 1 root root   4,   7 Nov 24 00:23 tty7
>crw------- 1 root root   4,   8 Nov 24 00:23 tty8
>crw------- 1 root root   4,   9 Nov 24 00:23 tty9
>crw------- 1 root root   4,  64 Nov 24 00:23 ttyS0
>crw------- 1 root root   4,  65 Nov 24 00:23 ttyS1
>crw------- 1 root root   4,  66 Nov 24 00:23 ttyS2
>crw------- 1 root root   4,  67 Nov 24 00:23 ttyS3
>crw------- 1 root root  10, 239 Nov 24 00:23 uhid
>crw------- 1 root root  10, 223 Nov 24 00:23 uinput
>crw-rw-rw- 1 root root   1,   9 Nov 24 00:23 urandom
>crw------- 1 root root 251,   0 Nov 24 00:23 usbmon0
>crw------- 1 root root 251,   1 Nov 24 00:23 usbmon1
>crw------- 1 root root   7,   0 Nov 24 00:23 vcs
>crw------- 1 root root   7,   1 Nov 24 00:23 vcs1
>crw------- 1 root root   7, 128 Nov 24 00:23 vcsa
>crw------- 1 root root   7, 129 Nov 24 00:23 vcsa1
>crw------- 1 root root  10,  63 Nov 24 00:23 vga_arbiter
>crw------- 1 root root  10, 238 Nov 24 00:23 vhost-net
>drwxr-xr-x 2 root root       60 Nov 24 00:23 virtio-ports
>crw------- 1 root root 247,   1 Nov 24 00:23 vport1p1
>crw-rw-rw- 1 root root   1,   5 Nov 24 00:23 zero
>
>/dev/block:
>total 0
>lrwxrwxrwx 1 root root 6 Nov 24 00:23 8:0 -> ../sda
>lrwxrwxrwx 1 root root 7 Nov 24 00:24 8:1 -> ../sda1
>lrwxrwxrwx 1 root root 6 Nov 24 00:23 8:16 -> ../sdb
>lrwxrwxrwx 1 root root 7 Nov 24 00:24 8:17 -> ../sdb1
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:18 -> ../sdb2
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:19 -> ../sdb3
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:2 -> ../sda2
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:20 -> ../sdb4
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:3 -> ../sda3
>lrwxrwxrwx 1 root root 6 Nov 24 00:23 8:32 -> ../sdc
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:33 -> ../sdc1
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:34 -> ../sdc2
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:35 -> ../sdc3
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:36 -> ../sdc4
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:4 -> ../sda4
>lrwxrwxrwx 1 root root 6 Nov 24 00:23 8:48 -> ../sdd
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:49 -> ../sdd1
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:50 -> ../sdd2
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:51 -> ../sdd3
>lrwxrwxrwx 1 root root 7 Nov 24 00:23 8:52 -> ../sdd4
>lrwxrwxrwx 1 root root 6 Nov 24 00:23 8:64 -> ../sde
>lrwxrwxrwx 1 root root 8 Nov 24 00:24 9:123 -> ../md123
>lrwxrwxrwx 1 root root 8 Nov 24 00:24 9:124 -> ../md124
>lrwxrwxrwx 1 root root 8 Nov 24 00:24 9:125 -> ../md125
>lrwxrwxrwx 1 root root 8 Nov 24 00:23 9:126 -> ../md126
>lrwxrwxrwx 1 root root 8 Nov 24 00:23 9:127 -> ../md127
>
>/dev/bsg:
>total 0
>crw------- 1 root root 252, 0 Nov 24 00:23 2:0:0:0
>crw------- 1 root root 252, 1 Nov 24 00:23 2:0:1:0
>crw------- 1 root root 252, 2 Nov 24 00:23 2:0:2:0
>crw------- 1 root root 252, 3 Nov 24 00:23 2:0:3:0
>crw------- 1 root root 252, 4 Nov 24 00:23 2:0:4:0
>
>/dev/bus:
>total 0
>drwxr-xr-x 3 root root 60 Nov 24 00:22 usb
>
>/dev/bus/usb:
>total 0
>drwxr-xr-x 2 root root 60 Nov 24 00:22 001
>
>/dev/bus/usb/001:
>total 0
>crw------- 1 root root 189, 0 Nov 24 00:23 001
>
>/dev/char:
>total 0
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 10:144 -> ../nvram
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 10:227 -> ../mcelog
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 10:231 -> ../snapshot
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 10:232 -> ../kvm
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 10:235 -> ../autofs
>lrwxrwxrwx 1 root root 17 Nov 24 00:23 10:236 -> ../mapper/control
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 10:58 -> ../rfkill
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 10:59 -> ../megadev0
>lrwxrwxrwx 1 root root 21 Nov 24 00:23 10:60 -> ../network_throughput
>lrwxrwxrwx 1 root root 18 Nov 24 00:23 10:61 -> ../network_latency
>lrwxrwxrwx 1 root root 18 Nov 24 00:23 10:62 -> ../cpu_dma_latency
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 10:63 -> ../vga_arbiter
>lrwxrwxrwx 1 root root 16 Nov 24 00:23 116:2 -> ../snd/controlC0
>lrwxrwxrwx 1 root root 12 Nov 24 00:23 116:33 -> ../snd/timer
>lrwxrwxrwx 1 root root 15 Nov 24 00:23 13:32 -> ../input/mouse0
>lrwxrwxrwx 1 root root 13 Nov 24 00:23 13:63 -> ../input/mice
>lrwxrwxrwx 1 root root 15 Nov 24 00:23 13:64 -> ../input/event0
>lrwxrwxrwx 1 root root 15 Nov 24 00:23 13:65 -> ../input/event1
>lrwxrwxrwx 1 root root 15 Nov 24 00:23 13:66 -> ../input/event2
>lrwxrwxrwx 1 root root 13 Nov 24 00:23 162:0 -> ../raw/rawctl
>lrwxrwxrwx 1 root root 18 Nov 24 00:23 189:0 -> ../bus/usb/001/001
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 1:1 -> ../mem
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 1:11 -> ../kmsg
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 1:3 -> ../null
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 1:4 -> ../port
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 1:5 -> ../zero
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 1:7 -> ../full
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 1:8 -> ../random
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 1:9 -> ../urandom
>lrwxrwxrwx 1 root root 12 Nov 24 00:23 202:0 -> ../cpu/0/msr
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 203:0 -> ../cpu/0/cpuid
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 21:0 -> ../sg0
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 21:1 -> ../sg1
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 21:2 -> ../sg2
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 21:3 -> ../sg3
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 21:4 -> ../sg4
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 247:1 -> ../vport1p1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 251:0 -> ../usbmon0
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 251:1 -> ../usbmon1
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 252:0 -> ../bsg/2:0:0:0
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 252:1 -> ../bsg/2:0:1:0
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 252:2 -> ../bsg/2:0:2:0
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 252:3 -> ../bsg/2:0:3:0
>lrwxrwxrwx 1 root root 14 Nov 24 00:23 252:4 -> ../bsg/2:0:4:0
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 254:0 -> ../rtc0
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:0 -> ../tty0
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:1 -> ../tty1
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:10 -> ../tty10
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:11 -> ../tty11
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:12 -> ../tty12
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:13 -> ../tty13
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:14 -> ../tty14
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:15 -> ../tty15
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:16 -> ../tty16
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:17 -> ../tty17
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:18 -> ../tty18
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:19 -> ../tty19
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:2 -> ../tty2
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:20 -> ../tty20
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:21 -> ../tty21
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:22 -> ../tty22
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:23 -> ../tty23
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:24 -> ../tty24
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:25 -> ../tty25
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:26 -> ../tty26
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:27 -> ../tty27
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:28 -> ../tty28
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:29 -> ../tty29
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:3 -> ../tty3
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:30 -> ../tty30
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:31 -> ../tty31
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:32 -> ../tty32
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:33 -> ../tty33
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:34 -> ../tty34
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:35 -> ../tty35
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:36 -> ../tty36
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:37 -> ../tty37
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:38 -> ../tty38
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:39 -> ../tty39
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:4 -> ../tty4
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:40 -> ../tty40
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:41 -> ../tty41
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:42 -> ../tty42
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:43 -> ../tty43
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:44 -> ../tty44
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:45 -> ../tty45
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:46 -> ../tty46
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:47 -> ../tty47
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:48 -> ../tty48
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:49 -> ../tty49
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:5 -> ../tty5
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:50 -> ../tty50
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:51 -> ../tty51
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:52 -> ../tty52
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:53 -> ../tty53
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:54 -> ../tty54
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:55 -> ../tty55
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:56 -> ../tty56
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:57 -> ../tty57
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:58 -> ../tty58
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:59 -> ../tty59
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:6 -> ../tty6
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:60 -> ../tty60
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:61 -> ../tty61
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:62 -> ../tty62
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:63 -> ../tty63
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:64 -> ../ttyS0
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:65 -> ../ttyS1
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:66 -> ../ttyS2
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 4:67 -> ../ttyS3
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:7 -> ../tty7
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:8 -> ../tty8
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 4:9 -> ../tty9
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 5:0 -> ../tty
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 5:1 -> ../console
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 5:2 -> ../ptmx
>lrwxrwxrwx 1 root root  6 Nov 24 00:23 7:0 -> ../vcs
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 7:1 -> ../vcs1
>lrwxrwxrwx 1 root root  7 Nov 24 00:23 7:128 -> ../vcsa
>lrwxrwxrwx 1 root root  8 Nov 24 00:23 7:129 -> ../vcsa1
>
>/dev/cpu:
>total 0
>drwxr-xr-x 2 root root      80 Nov 24 00:22 0
>crw------- 1 root root 10, 184 Nov 24 00:23 microcode
>
>/dev/cpu/0:
>total 0
>crw------- 1 root root 203, 0 Nov 24 00:23 cpuid
>crw------- 1 root root 202, 0 Nov 24 00:23 msr
>
>/dev/disk:
>total 0
>drwxr-xr-x 2 root root 660 Nov 24 00:24 by-id
>drwxr-xr-x 2 root root 460 Nov 24 00:23 by-path
>drwxr-xr-x 2 root root 160 Nov 24 00:24 by-uuid
>
>/dev/disk/by-id:
>total 0
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 md-name-_none_:r1t1 -> ../../md123
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 md-name-_none_:r1t2 -> ../../md125
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 md-name-_none_:r5t1 -> ../../md126
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 md-name-_none_:r5t2 -> ../../md124
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 md-name-_none_:r5t3 -> ../../md127
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 md-uuid-442fcf6a:4f875851:00a8d9e0:057bc87e -> ../../md123
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 md-uuid-5b056776:824f81d6:dc546692:5ad50726 -> ../../md125
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 md-uuid-b73798ff:ded4d411:a2ab1e8a:3cfe8ede -> ../../md126
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 md-uuid-d44865d1:24471b93:4c897ac6:a74310d7 -> ../../md124
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 md-uuid-ebe24865:3879fa4c:d4ba5102:64dffdde -> ../../md127
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0 -> ../../sda
>lrwxrwxrwx 1 root root 10 Nov 24 00:24 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0-part1 -> ../../sda1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0-part2 -> ../../sda2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0-part3 -> ../../sda3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-0-0-part4 -> ../../sda4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-1-0 -> ../../sdb
>lrwxrwxrwx 1 root root 10 Nov 24 00:24 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-1-0-part1 -> ../../sdb1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-1-0-part2 -> ../../sdb2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-1-0-part3 -> ../../sdb3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-1-0-part4 -> ../../sdb4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-2-0 -> ../../sdc
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-2-0-part1 -> ../../sdc1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-2-0-part2 -> ../../sdc2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-2-0-part3 -> ../../sdc3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-2-0-part4 -> ../../sdc4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-3-0 -> ../../sdd
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-3-0-part1 -> ../../sdd1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-3-0-part2 -> ../../sdd2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-3-0-part3 -> ../../sdd3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-3-0-part4 -> ../../sdd4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 scsi-0QEMU_QEMU_HARDDISK_drive-scsi0-0-4-0 -> ../../sde
>
>/dev/disk/by-path:
>total 0
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:0:0 -> ../../sda
>lrwxrwxrwx 1 root root 10 Nov 24 00:24 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:0:0-part1 -> ../../sda1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:0:0-part2 -> ../../sda2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:0:0-part3 -> ../../sda3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:0:0-part4 -> ../../sda4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:1:0 -> ../../sdb
>lrwxrwxrwx 1 root root 10 Nov 24 00:24 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:1:0-part1 -> ../../sdb1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:1:0-part2 -> ../../sdb2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:1:0-part3 -> ../../sdb3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:1:0-part4 -> ../../sdb4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:2:0 -> ../../sdc
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:2:0-part1 -> ../../sdc1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:2:0-part2 -> ../../sdc2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:2:0-part3 -> ../../sdc3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:2:0-part4 -> ../../sdc4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:3:0 -> ../../sdd
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:3:0-part1 -> ../../sdd1
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:3:0-part2 -> ../../sdd2
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:3:0-part3 -> ../../sdd3
>lrwxrwxrwx 1 root root 10 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:3:0-part4 -> ../../sdd4
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 pci-0000:00:02.0-virtio-pci-virtio0-scsi-0:0:4:0 -> ../../sde
>
>/dev/disk/by-uuid:
>total 0
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 2e2f1edd-d241-40be-9d68-296806abf4a3 -> ../../md126
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 36faa9c5-2d95-406a-8222-960df614d8c3 -> ../../md127
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 565a5d4e-e05d-4da1-ba6b-10a027d9ac0b -> ../../md123
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 58ab6bd9-f65c-4398-a03b-408095a8edd7 -> ../../md125
>lrwxrwxrwx 1 root root  9 Nov 24 00:23 7ee30f9c-eadb-4f78-bc58-e465660a6872 -> ../../sde
>lrwxrwxrwx 1 root root 11 Nov 24 00:24 e32b193a-0666-4d73-81ca-609545d2f556 -> ../../md124
>
>/dev/input:
>total 0
>drwxr-xr-x 2 root root    120 Nov 24 00:23 by-path
>crw------- 1 root root 13, 64 Nov 24 00:23 event0
>crw------- 1 root root 13, 65 Nov 24 00:23 event1
>crw------- 1 root root 13, 66 Nov 24 00:23 event2
>crw------- 1 root root 13, 63 Nov 24 00:23 mice
>crw------- 1 root root 13, 32 Nov 24 00:23 mouse0
>
>/dev/input/by-path:
>total 0
>lrwxrwxrwx 1 root root 9 Nov 24 00:23 platform-i8042-serio-0-event-kbd -> ../event0
>lrwxrwxrwx 1 root root 9 Nov 24 00:23 platform-i8042-serio-1-event-mouse -> ../event1
>lrwxrwxrwx 1 root root 9 Nov 24 00:23 platform-i8042-serio-1-mouse -> ../mouse0
>lrwxrwxrwx 1 root root 9 Nov 24 00:23 platform-pcspkr-event-spkr -> ../event2
>
>/dev/mapper:
>total 0
>crw------- 1 root root 10, 236 Nov 24 00:23 control
>
>/dev/md:
>total 0
>lrwxrwxrwx 1 root root 8 Nov 24 00:24 r1t1 -> ../md123
>lrwxrwxrwx 1 root root 8 Nov 24 00:24 r1t2 -> ../md125
>lrwxrwxrwx 1 root root 8 Nov 24 00:23 r5t1 -> ../md126
>lrwxrwxrwx 1 root root 8 Nov 24 00:24 r5t2 -> ../md124
>lrwxrwxrwx 1 root root 8 Nov 24 00:23 r5t3 -> ../md127
>
>/dev/net:
>total 0
>crw------- 1 root root 10, 200 Nov 24 00:23 tun
>
>/dev/raw:
>total 0
>crw------- 1 root root 162, 0 Nov 24 00:23 rawctl
>
>/dev/snd:
>total 0
>drwxr-xr-x 2 root root       60 Nov 24 00:23 by-path
>crw-rw---- 1 root audio 116,  2 Nov 24 00:23 controlC0
>crw------- 1 root root  116,  1 Nov 24 00:23 seq
>crw------- 1 root audio 116, 33 Nov 24 00:23 timer
>
>/dev/snd/by-path:
>total 0
>lrwxrwxrwx 1 root root 12 Nov 24 00:23 platform-pcspkr -> ../controlC0
>
>/dev/virtio-ports:
>total 0
>lrwxrwxrwx 1 root root 11 Nov 24 00:23 org.libguestfs.channel.0 -> ../vport1p1
>rootfs / rootfs rw 0 0
>proc /proc proc rw,relatime 0 0
>/dev/root / ext2 rw,noatime 0 0
>/proc /proc proc rw,relatime 0 0
>/sys /sys sysfs rw,relatime 0 0
>tmpfs /run tmpfs rw,nosuid,relatime,size=95448k,mode=755 0 0
>/dev /dev devtmpfs rw,relatime,size=235288k,nr_inodes=58822,mode=755 0 0
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  WARNING: Failed to connect to lvmetad: No such file or directory. Falling back to internal scanning.
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  WARNING: Failed to connect to lvmetad: No such file or directory. Falling back to internal scanning.
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  No volume groups found
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  WARNING: Failed to connect to lvmetad: No such file or directory. Falling back to internal scanning.
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  /run/lvm/lvmetad.socket: connect failed: No such file or directory
>  No volume groups found
>1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
>    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
>       valid_lft forever preferred_lft forever
>    inet6 ::1/128 scope host 
>       valid_lft forever preferred_lft forever
>Module                  Size  Used by
>raid1                  39941  2 
>raid456                91177  3 
>async_raid6_recov      17153  1 raid456
>async_memcpy           12715  2 raid456,async_raid6_recov
>async_pq               13259  2 raid456,async_raid6_recov
>raid6_pq              101472  2 async_pq,async_raid6_recov
>async_xor              13068  3 async_pq,raid456,async_raid6_recov
>xor                    21366  1 async_xor
>async_tx               13293  5 async_pq,raid456,async_xor,async_memcpy,async_raid6_recov
>kvm_amd                64509  0 
>kvm                   476734  1 kvm_amd
>snd_pcsp               18835  0 
>snd_pcm                98211  1 snd_pcsp
>snd_page_alloc         18268  1 snd_pcm
>snd_timer              28806  1 snd_pcm
>serio_raw              13413  0 
>snd                    79565  3 snd_timer,snd_pcm,snd_pcsp
>soundcore              14491  1 snd
>ata_generic            12910  0 
>pata_acpi              13038  0 
>virtio_balloon         13530  0 
>virtio_pci             17713  0 
>virtio_mmio            13193  0 
>virtio_net             28077  0 
>virtio_scsi            18515  13 
>virtio_blk             18080  0 
>virtio_console         28110  0 
>virtio_rng             13135  0 
>virtio_ring            20004  8 virtio_blk,virtio_net,virtio_pci,virtio_rng,virtio_balloon,virtio_console,virtio_mmio,virtio_scsi
>virtio                 14172  8 virtio_blk,virtio_net,virtio_pci,virtio_rng,virtio_balloon,virtio_console,virtio_mmio,virtio_scsi
>ideapad_laptop         18216  0 
>sparse_keymap          13584  1 ideapad_laptop
>rfkill                 22195  1 ideapad_laptop
>sym53c8xx              80734  0 
>scsi_transport_spi     30274  1 sym53c8xx
>crc8                   12750  0 
>crc_ccitt              12613  0 
>crc32                  12714  0 
>crc_itu_t              12613  0 
>libcrc32c              12603  0 
>megaraid               48287  0 
>megaraid_sas           99663  0 
>megaraid_mbox          40368  0 
>megaraid_mm            18221  1 megaraid_mbox
>Sun Nov 24 00:24:32 UTC 2013
>uptime: 128.19 1.35
>verbose daemon enabled
>linux commmand line: panic=1 console=ttyS0 udevtimeout=600 no_timer_check acpi=off printk.time=1 cgroup_disable=memory root=/dev/sde selinux=0 guestfs_verbose=1 TERM=vt100
>
>trying to open virtio-serial channel '/dev/virtio-ports/org.libguestfs.channel.0'
>udevadm settle
>libguestfs: recv_from_daemon: received GUESTFS_LAUNCH_FLAG
>libguestfs: [135753ms] appliance is up
>libguestfs: trace: launch = 0
>libguestfs: trace: shutdown
>libguestfs: trace: shutdown = 0
>libguestfs: trace: close
>libguestfs: closing guestfs handle 0x7f53084fdcb0 (state 0)
>libguestfs: trace: set_verbose true
>libguestfs: trace: set_verbose = 0
>libguestfs: trace: set_tmpdir "/builddir/build/BUILD/libguestfs-1.25.11/tmp"
>libguestfs: trace: set_tmpdir = 0
>libguestfs: trace: set_cachedir "/builddir/build/BUILD/libguestfs-1.25.11/tmp"
>libguestfs: trace: set_cachedir = 0
>libguestfs: trace: set_path "/builddir/build/BUILD/libguestfs-1.25.11/appliance"
>libguestfs: trace: set_path = 0
>libguestfs: create: flags = 0, handle = 0x7f2f57264cb0, program = guestfish
>libguestfs: trace: list_md_devices
>guestfsd: main_loop: new request, len 0x28
>libguestfs: trace: list_md_devices = ["/dev/md123", "/dev/md124", "/dev/md125", "/dev/md126", "/dev/md127"]
>libguestfs: trace: shutdown
>libguestfs: trace: shutdown = 0
>libguestfs: trace: close
>libguestfs: closing guestfs handle 0x7f2f57264cb0 (state 0)
>libguestfs: trace: set_verbose true
>libguestfs: trace: set_verbose = 0
>libguestfs: trace: set_tmpdir "/builddir/build/BUILD/libguestfs-1.25.11/tmp"
>libguestfs: trace: set_tmpdir = 0
>libguestfs: trace: set_cachedir "/builddir/build/BUILD/libguestfs-1.25.11/tmp"
>libguestfs: trace: set_cachedir = 0
>libguestfs: trace: set_path "/builddir/build/BUILD/libguestfs-1.25.11/appliance"
>libguestfs: trace: set_path = 0
>libguestfs: create: flags = 0, handle = 0x7f8354639cb0, program = guestfish
>libguestfs: trace: md_stop "/dev/md123"
>guestfsd: main_loop: proc 300 (list_md_devices) took 0.05 seconds
>guestfsd: main_loop: new request, len 0x38
>mdadm --stop /dev/md123
>[  157.114285] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  157.114285] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  157.114285] irq event stamp: 5730664
>[  157.114285] hardirqs last  enabled at (5730663): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  157.114285] hardirqs last disabled at (5730664): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  157.114285] softirqs last  enabled at (5730448): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  157.114285] softirqs last disabled at (5730443): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  157.114285] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  157.114285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  157.114285] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  157.114285] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  157.114285] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[  157.114285] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[  157.114285] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[  157.114285] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[  157.114285] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  157.114285] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[  157.114285] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  157.114285] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  157.114285] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  157.114285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  157.114285] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  157.114285] Stack:
>[  157.114285]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[  157.114285]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  157.114285]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  157.114285] Call Trace:
>[  157.114285]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[  157.114285]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  157.114285]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  157.114285]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  157.114285]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  157.114285]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  157.114285]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  157.114285]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  157.114285]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  157.114285] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  185.114028] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  185.114028] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  185.114028] irq event stamp: 11879710
>[  185.114028] hardirqs last  enabled at (11879709): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[  185.114028] hardirqs last disabled at (11879710): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  185.114028] softirqs last  enabled at (11879480): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  185.114028] softirqs last disabled at (11879475): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  185.114028] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  185.114028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  185.114028] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  185.114028] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[  185.114028] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[  185.114028] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[  185.114028] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[  185.114028] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  185.114028] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[  185.114028] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[  185.114028] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  185.114028] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  185.114028] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  185.114028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  185.114028] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  185.114028] Stack:
>[  185.114028]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[  185.114028]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[  185.114028]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[  185.114028] Call Trace:
>[  185.114028]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[  185.114028]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[  185.114028]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  185.114028]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  185.114028]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  185.114028]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  185.114028]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  185.114028]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  185.114028]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  185.114028]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  185.114028]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  185.114028] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[  196.056365] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=65002 jiffies, g=9748, c=9747, q=1)
>[  196.056365] INFO: Stall ended before state dump start
>[  221.114555] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  221.114555] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  221.114555] irq event stamp: 19870098
>[  221.114555] hardirqs last  enabled at (19870097): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  221.114555] hardirqs last disabled at (19870098): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  221.114555] softirqs last  enabled at (19869886): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  221.114555] softirqs last disabled at (19869881): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  221.114555] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  221.114555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  221.114555] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  221.114555] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[  221.114555] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[  221.114555] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[  221.114555] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[  221.114555] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[  221.114555] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[  221.114555] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[  221.114555] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  221.114555] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  221.114555] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  221.114555] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  221.114555] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  221.114555] Stack:
>[  221.114555]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[  221.114555]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[  221.114555]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[  221.114555] Call Trace:
>[  221.114555]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[  221.114555]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[  221.114555]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  221.114555]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  221.114555]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  221.114555]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  221.114555]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  221.114555]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  221.114555]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  221.114555]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  221.114555]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  221.114555]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  221.114555] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[  249.114298] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  249.114298] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  249.114298] irq event stamp: 25915490
>[  249.114298] hardirqs last  enabled at (25915489): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[  249.114298] hardirqs last disabled at (25915490): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  249.114298] softirqs last  enabled at (25915274): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  249.114298] softirqs last disabled at (25915269): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  249.114298] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  249.114298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  249.114298] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  249.114298] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[  249.114298] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[  249.114298] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[  249.114298] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[  249.114298] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[  249.114298] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  249.114298] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[  249.114298] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  249.114298] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  249.114298] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  249.114298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  249.114298] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  249.114298] Stack:
>[  249.114298]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[  249.114298]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[  249.114298]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[  249.114298] Call Trace:
>[  249.114298]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[  249.114298]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[  249.114298]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  249.114298]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  249.114298]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  249.114298]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  249.114298]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  249.114298]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  249.114298]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  249.114298]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  249.114298]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  249.114298]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  249.114298] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[  277.114042] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  277.114042] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  277.114042] irq event stamp: 32079098
>[  277.114042] hardirqs last  enabled at (32079097): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[  277.114042] hardirqs last disabled at (32079098): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  277.114042] softirqs last  enabled at (32078880): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  277.114042] softirqs last disabled at (32078875): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  277.114042] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  277.114042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  277.114042] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  277.114042] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[  277.114042] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[  277.114042] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[  277.114042] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[  277.114042] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[  277.114042] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[  277.114042] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[  277.114042] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  277.114042] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  277.114042] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  277.114042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  277.114042] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  277.114042] Stack:
>[  277.114042]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[  277.114042]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[  277.114042]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[  277.114042] Call Trace:
>[  277.114042]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  277.114042]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[  277.114042]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  277.114042]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[  277.114042]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  277.114042]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  277.114042]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  277.114042]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  277.114042]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  277.114042]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  277.114042]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  277.114042]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  277.114042]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  277.114042]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  277.114042] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[  305.114785] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  305.114785] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  305.114785] irq event stamp: 38188346
>[  305.114785] hardirqs last  enabled at (38188345): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  305.114785] hardirqs last disabled at (38188346): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  305.114785] softirqs last  enabled at (38188134): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  305.114785] softirqs last disabled at (38188129): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  305.114785] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  305.114785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  305.114785] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  305.114785] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  305.114785] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[  305.114785] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[  305.114785] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[  305.114785] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[  305.114785] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  305.114785] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[  305.114785] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  305.114785] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  305.114785] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  305.114785] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  305.114785] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  305.114785] Stack:
>[  305.114785]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[  305.114785]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  305.114785]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  305.114785] Call Trace:
>[  305.114785]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[  305.114785]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  305.114785]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  305.114785]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  305.114785]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  305.114785]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  305.114785]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  305.114785]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  305.114785]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  305.114785] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  333.114528] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  333.114528] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  333.114528] irq event stamp: 44402236
>[  333.114528] hardirqs last  enabled at (44402235): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  333.114528] hardirqs last disabled at (44402236): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  333.114528] softirqs last  enabled at (44402032): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  333.114528] softirqs last disabled at (44402027): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  333.114528] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  333.114528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  333.114528] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  333.114528] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  333.114528] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[  333.114528] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[  333.114528] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[  333.114528] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  333.114528] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  333.114528] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[  333.114528] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  333.114528] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  333.114528] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  333.114528] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  333.114528] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  333.114528] Stack:
>[  333.114528]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[  333.114528]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[  333.114528]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  333.114528] Call Trace:
>[  333.114528]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[  333.114528]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[  333.114528]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  333.114528]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  333.114528]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  333.114528]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  333.114528]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  333.114528]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  333.114528]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  333.114528]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  333.114528] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  361.114272] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  361.114272] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  361.114272] irq event stamp: 50278998
>[  361.114272] hardirqs last  enabled at (50278997): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  361.114272] hardirqs last disabled at (50278998): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  361.114272] softirqs last  enabled at (50278780): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  361.114272] softirqs last disabled at (50278775): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  361.114272] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  361.114272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  361.114272] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  361.114272] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  361.114272] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[  361.114272] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  361.114272] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[  361.114272] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  361.114272] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  361.114272] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[  361.114272] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  361.114272] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  361.114272] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  361.114272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  361.114272] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  361.114272] Stack:
>[  361.114272]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[  361.114272]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[  361.114272]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  361.114272] Call Trace:
>[  361.114272]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[  361.114272]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  361.114272]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  361.114272]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  361.114272]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  361.114272]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  361.114272]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  361.114272]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  361.114272]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  361.114272]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  361.114272] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  389.114015] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  389.114015] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  389.114015] irq event stamp: 56451076
>[  389.114015] hardirqs last  enabled at (56451075): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[  389.114015] hardirqs last disabled at (56451076): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  389.114015] softirqs last  enabled at (56450882): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  389.114015] softirqs last disabled at (56450877): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  389.114015] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  389.114015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  389.114015] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  389.114015] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[  389.114015] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[  389.114015] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[  389.114015] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[  389.114015] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[  389.114015] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[  389.114015] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[  389.114015] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  389.114015] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  389.114015] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  389.114015] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  389.114015] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  389.114015] Stack:
>[  389.114015]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[  389.114015]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[  389.114015]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[  389.114015] Call Trace:
>[  389.114015]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  389.114015]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[  389.114015]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  389.114015]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[  389.114015]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  389.114015]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  389.114015]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  389.114015]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  389.114015]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  389.114015]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  389.114015]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  389.114015]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  389.114015]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  389.114015]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  389.114015] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[  391.031724] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=260007 jiffies, g=9748, c=9747, q=1)
>[  391.031724] INFO: Stall ended before state dump start
>[  417.114759] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  417.114759] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  417.114759] irq event stamp: 62479980
>[  417.114759] hardirqs last  enabled at (62479979): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  417.114759] hardirqs last disabled at (62479980): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  417.114759] softirqs last  enabled at (62479764): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  417.114759] softirqs last disabled at (62479759): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  417.114759] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  417.114759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  417.114759] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  417.114759] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  417.114759] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[  417.114759] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  417.114759] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[  417.114759] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  417.114759] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  417.114759] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[  417.114759] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  417.114759] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  417.114759] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  417.114759] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  417.114759] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  417.114759] Stack:
>[  417.114759]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[  417.114759]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[  417.114759]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  417.114759] Call Trace:
>[  417.114759]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[  417.114759]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  417.114759]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  417.114759]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  417.114759]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  417.114759]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  417.114759]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  417.114759]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  417.114759]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  417.114759]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  417.114759] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  445.114502] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  445.114502] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  445.114502] irq event stamp: 68616516
>[  445.114502] hardirqs last  enabled at (68616515): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  445.114502] hardirqs last disabled at (68616516): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  445.114502] softirqs last  enabled at (68616326): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  445.114502] softirqs last disabled at (68616321): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  445.114502] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  445.114502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  445.114502] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  445.114502] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  445.114502] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[  445.114502] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[  445.114502] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[  445.114502] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[  445.114502] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  445.114502] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[  445.114502] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  445.114502] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  445.114502] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  445.114502] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  445.114502] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  445.114502] Stack:
>[  445.114502]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[  445.114502]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  445.114502]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  445.114502] Call Trace:
>[  445.114502]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[  445.114502]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  445.114502]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  445.114502]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  445.114502]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  445.114502]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  445.114502]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  445.114502]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  445.114502]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  445.114502] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  473.114245] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  473.114245] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  473.114245] irq event stamp: 74415512
>[  473.114245] hardirqs last  enabled at (74415511): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  473.114245] hardirqs last disabled at (74415512): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  473.114245] softirqs last  enabled at (74415288): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  473.114245] softirqs last disabled at (74415283): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  473.114245] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  473.114245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  473.114245] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  473.114245] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  473.114245] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[  473.114245] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[  473.114245] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[  473.114245] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[  473.114245] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  473.114245] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[  473.114245] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  473.114245] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  473.114245] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  473.114245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  473.114245] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  473.114245] Stack:
>[  473.114245]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[  473.114245]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  473.114245]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  473.114245] Call Trace:
>[  473.114245]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[  473.114245]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  473.114245]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  473.114245]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  473.114245]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  473.114245]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  473.114245]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  473.114245]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  473.114245]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  473.114245] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  501.114989] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  501.114989] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  501.114989] irq event stamp: 80404210
>[  501.114989] hardirqs last  enabled at (80404209): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  501.114989] hardirqs last disabled at (80404210): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  501.114989] softirqs last  enabled at (80403996): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  501.114989] softirqs last disabled at (80403991): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  501.114989] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  501.114989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  501.114989] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  501.114989] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  501.114989] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[  501.114989] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  501.114989] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[  501.114989] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  501.114989] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  501.114989] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[  501.114989] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  501.114989] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  501.114989] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  501.114989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  501.114989] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  501.114989] Stack:
>[  501.114989]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[  501.114989]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[  501.114989]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  501.114989] Call Trace:
>[  501.114989]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[  501.114989]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  501.114989]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  501.114989]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  501.114989]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  501.114989]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  501.114989]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  501.114989]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  501.114989]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  501.114989]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  501.114989] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  529.114732] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  529.114732] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  529.114732] irq event stamp: 86188804
>[  529.114732] hardirqs last  enabled at (86188803): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[  529.114732] hardirqs last disabled at (86188804): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  529.114732] softirqs last  enabled at (86188588): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  529.114732] softirqs last disabled at (86188583): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  529.114732] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  529.114732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  529.114732] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  529.114732] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[  529.114732] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[  529.114732] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[  529.114732] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[  529.114732] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  529.114732] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[  529.114732] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[  529.114732] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  529.114732] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  529.114732] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  529.114732] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  529.114732] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  529.114732] Stack:
>[  529.114732]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[  529.114732]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[  529.114732]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[  529.114732] Call Trace:
>[  529.114732]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[  529.114732]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[  529.114732]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  529.114732]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  529.114732]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  529.114732]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  529.114732]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  529.114732]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  529.114732]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  529.114732]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  529.114732]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  529.114732] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[  557.114475] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  557.114475] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  557.114475] irq event stamp: 92098582
>[  557.114475] hardirqs last  enabled at (92098581): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[  557.114475] hardirqs last disabled at (92098582): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  557.114475] softirqs last  enabled at (92098370): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  557.114475] softirqs last disabled at (92098365): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  557.114475] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  557.114475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  557.114475] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  557.114475] RIP: 0010:[<ffffffff810d0778>]  [<ffffffff810d0778>] lock_acquired+0x118/0x420
>[  557.114475] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000286
>[  557.114475] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000000
>[  557.114475] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: 0000000000000286
>[  557.114475] RBP: ffff8800184dbc68 R08: 0000000000000000 R09: 0000000000000001
>[  557.114475] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88001f1d5d00
>[  557.114475] R13: ffffffff810b68ad R14: ffff8800184dbbb8 R15: ffffffff81021a39
>[  557.114475] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  557.114475] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  557.114475] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  557.114475] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  557.114475] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  557.114475] Stack:
>[  557.114475]  00000000810d1a65 0000000000000286 ffffffff81cdd240 ffffffff81cdd258
>[  557.114475]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[  557.114475]  ffffffff8175f65a ffffffff8159506f ffff8800188f0948 0000000000000000
>[  557.114475] Call Trace:
>[  557.114475]  [<ffffffff8175f65a>] _raw_spin_lock+0x6a/0x80
>[  557.114475]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  557.114475]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[  557.114475]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  557.114475]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  557.114475]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  557.114475]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  557.114475]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  557.114475]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  557.114475]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  557.114475]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  557.114475]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  557.114475]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  557.114475] Code: df e0 ff ff 85 c0 74 b3 4d 3b 6e 10 0f 84 a9 00 00 00 65 48 8b 04 25 80 c9 00 00 48 8b 7d d0 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 
>[  585.114219] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  585.114219] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  585.114219] irq event stamp: 98132598
>[  585.114219] hardirqs last  enabled at (98132597): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  585.114219] hardirqs last disabled at (98132598): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  585.114219] softirqs last  enabled at (98132382): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  585.114219] softirqs last disabled at (98132377): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  585.114219] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  585.114219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  585.114219] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  585.114219] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  585.114219] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[  585.114219] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  585.114219] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[  585.114219] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  585.114219] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  585.114219] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[  585.114219] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  585.114219] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  585.114219] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  585.114219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  585.114219] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  585.114219] Stack:
>[  585.114219]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[  585.114219]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[  585.114219]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  585.114219] Call Trace:
>[  585.114219]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[  585.114219]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  585.114219]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  585.114219]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  585.114219]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  585.114219]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  585.114219]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  585.114219]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  585.114219]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  585.114219]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  585.114219] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  586.007083] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=455012 jiffies, g=9748, c=9747, q=1)
>[  586.007083] INFO: Stall ended before state dump start
>[  613.114962] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  613.114962] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  613.114962] irq event stamp: 104188340
>[  613.114962] hardirqs last  enabled at (104188339): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[  613.114962] hardirqs last disabled at (104188340): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  613.114962] softirqs last  enabled at (104188116): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  613.114962] softirqs last disabled at (104188111): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  613.114962] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  613.114962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  613.114962] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  613.114962] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[  613.114962] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[  613.114962] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[  613.114962] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[  613.114962] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[  613.114962] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  613.114962] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[  613.114962] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  613.114962] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  613.114962] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  613.114962] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  613.114962] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  613.114962] Stack:
>[  613.114962]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[  613.114962]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[  613.114962]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[  613.114962] Call Trace:
>[  613.114962]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[  613.114962]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[  613.114962]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  613.114962]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  613.114962]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  613.114962]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  613.114962]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  613.114962]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  613.114962]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  613.114962]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  613.114962]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  613.114962]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  613.114962] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[  641.114705] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  641.114705] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  641.114705] irq event stamp: 110420218
>[  641.114705] hardirqs last  enabled at (110420217): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  641.114705] hardirqs last disabled at (110420218): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  641.114705] softirqs last  enabled at (110419980): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  641.114705] softirqs last disabled at (110419975): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  641.114705] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  641.114705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  641.114705] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  641.114705] RIP: 0010:[<ffffffff8109fcd0>]  [<ffffffff8109fcd0>] kthread_should_stop+0x0/0x30
>[  641.114705] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000292
>[  641.114705] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[  641.114705] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800184dbd50
>[  641.114705] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[  641.114705] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[  641.114705] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[  641.114705] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  641.114705] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  641.114705] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  641.114705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  641.114705] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  641.114705] Stack:
>[  641.114705]  ffffffff81595129 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[  641.114705]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[  641.114705]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[  641.114705] Call Trace:
>[  641.114705]  [<ffffffff81595129>] ? md_thread+0x59/0x130
>[  641.114705]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  641.114705]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  641.114705]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  641.114705]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  641.114705]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  641.114705]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  641.114705] Code: 48 c7 c0 60 a7 c4 81 48 0f 45 d0 eb be be 5d 04 00 00 48 c7 c7 90 fe a2 81 e8 6d 4c fd ff c6 05 83 2b c6 00 01 eb bd 0f 1f 40 00 <66> 66 66 66 90 55 65 48 8b 04 25 80 c9 00 00 48 8b 80 20 04 00 
>[  669.114449] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  669.114449] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  669.114449] irq event stamp: 116503716
>[  669.114449] hardirqs last  enabled at (116503715): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[  669.114449] hardirqs last disabled at (116503716): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  669.114449] softirqs last  enabled at (116503490): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  669.114449] softirqs last disabled at (116503485): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  669.114449] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  669.114449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  669.114449] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  669.114449] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[  669.114449] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[  669.114449] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[  669.114449] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[  669.114449] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[  669.114449] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[  669.114449] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[  669.114449] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  669.114449] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  669.114449] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  669.114449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  669.114449] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  669.114449] Stack:
>[  669.114449]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[  669.114449]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[  669.114449]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[  669.114449] Call Trace:
>[  669.114449]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  669.114449]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[  669.114449]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[  669.114449]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[  669.114449]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  669.114449]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  669.114449]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  669.114449]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  669.114449]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  669.114449]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  669.114449]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  669.114449]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  669.114449]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  669.114449]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  669.114449] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[  697.114192] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  697.114192] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  697.114192] irq event stamp: 122589728
>[  697.114192] hardirqs last  enabled at (122589727): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  697.114192] hardirqs last disabled at (122589728): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  697.114192] softirqs last  enabled at (122589508): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  697.114192] softirqs last disabled at (122589503): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  697.114192] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  697.114192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  697.114192] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  697.114192] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  697.114192] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[  697.114192] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[  697.114192] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[  697.114192] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[  697.114192] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  697.114192] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[  697.114192] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  697.114192] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  697.114192] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  697.114192] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  697.114192] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  697.114192] Stack:
>[  697.114192]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[  697.114192]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  697.114192]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  697.114192] Call Trace:
>[  697.114192]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[  697.114192]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  697.114192]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  697.114192]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  697.114192]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  697.114192]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  697.114192]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  697.114192]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  697.114192]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  697.114192] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  725.114935] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  725.114935] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  725.114935] irq event stamp: 128651390
>[  725.114935] hardirqs last  enabled at (128651389): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  725.114935] hardirqs last disabled at (128651390): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  725.114935] softirqs last  enabled at (128651170): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  725.114935] softirqs last disabled at (128651165): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  725.114935] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  725.114935] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  725.114935] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  725.114935] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  725.114935] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[  725.114935] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[  725.114935] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[  725.114935] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  725.114935] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  725.114935] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[  725.114935] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  725.114935] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  725.114935] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  725.114935] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  725.114935] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  725.114935] Stack:
>[  725.114935]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[  725.114935]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[  725.114935]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  725.114935] Call Trace:
>[  725.114935]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[  725.114935]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[  725.114935]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  725.114935]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  725.114935]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  725.114935]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  725.114935]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  725.114935]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  725.114935]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  725.114935]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  725.114935] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  753.114679] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  753.114679] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  753.114679] irq event stamp: 134591414
>[  753.114679] hardirqs last  enabled at (134591413): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  753.114679] hardirqs last disabled at (134591414): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  753.114679] softirqs last  enabled at (134591202): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  753.114679] softirqs last disabled at (134591197): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  753.114679] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  753.114679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  753.114679] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  753.114679] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  753.114679] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[  753.114679] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[  753.114679] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[  753.114679] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  753.114679] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  753.114679] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[  753.114679] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  753.114679] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  753.114679] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  753.114679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  753.114679] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  753.114679] Stack:
>[  753.114679]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[  753.114679]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[  753.114679]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  753.114679] Call Trace:
>[  753.114679]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[  753.114679]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[  753.114679]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  753.114679]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  753.114679]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  753.114679]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  753.114679]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  753.114679]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  753.114679]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  753.114679]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  753.114679] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  780.982442] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=650017 jiffies, g=9748, c=9747, q=1)
>[  780.982442] INFO: Stall ended before state dump start
>[  805.114774] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  805.114774] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  805.114774] irq event stamp: 145934150
>[  805.114774] hardirqs last  enabled at (145934149): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  805.114774] hardirqs last disabled at (145934150): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  805.114774] softirqs last  enabled at (145933924): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  805.114774] softirqs last disabled at (145933919): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  805.114774] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  805.114774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  805.114774] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  805.114774] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  805.114774] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[  805.114774] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  805.114774] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[  805.114774] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[  805.114774] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  805.114774] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[  805.114774] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  805.114774] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  805.114774] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  805.114774] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  805.114774] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  805.114774] Stack:
>[  805.114774]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[  805.114774]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[  805.114774]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[  805.114774] Call Trace:
>[  805.114774]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[  805.114774]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[  805.114774]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  805.114774]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  805.114774]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  805.114774]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  805.114774]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  805.114774]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  805.114774]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  805.114774]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  805.114774]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  805.114774] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  833.114517] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  833.114517] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  833.114517] irq event stamp: 151878042
>[  833.114517] hardirqs last  enabled at (151878041): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[  833.114517] hardirqs last disabled at (151878042): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  833.114517] softirqs last  enabled at (151877826): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  833.114517] softirqs last disabled at (151877821): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  833.114517] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  833.114517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  833.114517] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  833.114517] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[  833.114517] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[  833.114517] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[  833.114517] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[  833.114517] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  833.114517] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[  833.114517] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[  833.114517] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  833.114517] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  833.114517] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  833.114517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  833.114517] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  833.114517] Stack:
>[  833.114517]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[  833.114517]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[  833.114517]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[  833.114517] Call Trace:
>[  833.114517]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[  833.114517]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[  833.114517]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  833.114517]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  833.114517]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  833.114517]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  833.114517]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  833.114517]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  833.114517]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  833.114517]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  833.114517]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  833.114517] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[  861.114260] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[  861.114260] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  861.114260] irq event stamp: 157779442
>[  861.114260] hardirqs last  enabled at (157779441): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  861.114260] hardirqs last disabled at (157779442): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  861.114260] softirqs last  enabled at (157779228): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  861.114260] softirqs last disabled at (157779223): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  861.114260] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  861.114260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  861.114260] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  861.114260] RIP: 0010:[<ffffffffa021f979>]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  861.114260] RSP: 0018:ffff8800184dbce8  EFLAGS: 00000246
>[  861.114260] RAX: 0000000000000000 RBX: ffff8800195c7460 RCX: 0000000000005b40
>[  861.114260] RDX: 0000000000009aa4 RSI: 0000000000000001 RDI: ffffffff81cdd240
>[  861.114260] RBP: ffff8800184dbdd8 R08: 0000000000000001 R09: 0000000000000000
>[  861.114260] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81cdd240
>[  861.114260] R13: 0000000000000246 R14: ffff8800184dbc78 R15: ffffffff81cdd258
>[  861.114260] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  861.114260] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  861.114260] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  861.114260] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  861.114260] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  861.114260] Stack:
>[  861.114260]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  861.114260]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  861.114260]  0000000000000001 0000000000000001 0000000000000000 ffff8800184da000
>[  861.114260] Call Trace:
>[  861.114260]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  861.114260]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  861.114260]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  861.114260]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  861.114260]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  861.114260]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  861.114260]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  861.114260]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  861.114260] Code: 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8b 07 48 89 c3 48 89 85 18 ff ff ff 48 83 c0 78 48 89 85 10 ff ff ff e8 67 ee 37 e1 <48> 8d bd 78 ff ff ff e8 db 17 13 e1 48 89 9d 40 ff ff ff 48 8b 
>[  889.114004] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  889.114004] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  889.114004] irq event stamp: 163770610
>[  889.114004] hardirqs last  enabled at (163770609): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  889.114004] hardirqs last disabled at (163770610): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  889.114004] softirqs last  enabled at (163770442): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  889.114004] softirqs last disabled at (163770437): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  889.114004] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  889.114004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  889.114004] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  889.114004] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  889.114004] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[  889.114004] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[  889.114004] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[  889.114004] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[  889.114004] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[  889.114004] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[  889.114004] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  889.114004] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  889.114004] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  889.114004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  889.114004] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  889.114004] Stack:
>[  889.114004]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[  889.114004]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  889.114004]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[  889.114004] Call Trace:
>[  889.114004]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[  889.114004]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  889.114004]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  889.114004]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  889.114004]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  889.114004]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  889.114004]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  889.114004]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  889.114004]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  889.114004] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  917.114747] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  917.114747] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  917.114747] irq event stamp: 169671324
>[  917.114747] hardirqs last  enabled at (169671323): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  917.114747] hardirqs last disabled at (169671324): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  917.114747] softirqs last  enabled at (169671134): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  917.114747] softirqs last disabled at (169671129): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  917.114747] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  917.114747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  917.114747] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  917.114747] RIP: 0010:[<ffffffff810c6924>]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[  917.114747] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000202
>[  917.114747] RAX: ffff88001844a5f0 RBX: ffffffff8175f926 RCX: 0000000000000006
>[  917.114747] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[  917.114747] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[  917.114747] R10: 0000000000000001 R11: 0000000000000000 R12: 000000071844adc8
>[  917.114747] R13: ffffffff810d18d9 R14: ffff8800184dbbf0 R15: ffff88001844a5f0
>[  917.114747] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  917.114747] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  917.114747] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  917.114747] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  917.114747] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  917.114747] Stack:
>[  917.114747]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[  917.114747]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[  917.114747]  ffff8800184dbcb0 ffffffff8159507b ffff8800188f0948 ffff8800188f0d48
>[  917.114747] Call Trace:
>[  917.114747]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[  917.114747]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[  917.114747]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[  917.114747]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  917.114747]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  917.114747]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  917.114747]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  917.114747]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  917.114747]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  917.114747]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  917.114747]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  917.114747]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  917.114747] Code: 54 53 48 89 fb e8 1d 98 69 00 4d 89 f8 49 89 c4 44 89 f2 44 89 ee 48 89 df 31 c9 e8 37 fd ff ff 4c 89 e6 48 89 df e8 cc 8f 69 00 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 90 66 66 66 66 90 55 48 8d 47 
>[  945.114490] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  945.114490] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  945.114490] irq event stamp: 175735404
>[  945.114490] hardirqs last  enabled at (175735403): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[  945.114490] hardirqs last disabled at (175735404): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  945.114490] softirqs last  enabled at (175735172): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  945.114490] softirqs last disabled at (175735167): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  945.114490] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  945.114490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  945.114490] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  945.114490] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[  945.114490] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[  945.114490] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  945.114490] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[  945.114490] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[  945.114490] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  945.114490] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[  945.114490] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  945.114490] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  945.114490] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  945.114490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  945.114490] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  945.114490] Stack:
>[  945.114490]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[  945.114490]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[  945.114490]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[  945.114490] Call Trace:
>[  945.114490]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[  945.114490]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  945.114490]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  945.114490]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  945.114490]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  945.114490]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  945.114490]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  945.114490]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  945.114490]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  945.114490]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  945.114490] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[  973.114234] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[  973.114234] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[  973.114234] irq event stamp: 181794424
>[  973.114234] hardirqs last  enabled at (181794423): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[  973.114234] hardirqs last disabled at (181794424): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[  973.114234] softirqs last  enabled at (181794206): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[  973.114234] softirqs last disabled at (181794201): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[  973.114234] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[  973.114234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  973.114234] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[  973.114234] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[  973.114234] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[  973.114234] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[  973.114234] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[  973.114234] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[  973.114234] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[  973.114234] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[  973.114234] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[  973.114234] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[  973.114234] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[  973.114234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[  973.114234] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[  973.114234] Stack:
>[  973.114234]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[  973.114234]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[  973.114234]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[  973.114234] Call Trace:
>[  973.114234]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[  973.114234]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[  973.114234]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[  973.114234]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[  973.114234]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[  973.114234]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[  973.114234]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[  973.114234]  [<ffffffff810a01df>] kthread+0xff/0x120
>[  973.114234]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  973.114234]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[  973.114234]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[  973.114234] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[  975.957801] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=845022 jiffies, g=9748, c=9747, q=1)
>[  975.957801] INFO: Stall ended before state dump start
>[ 1001.114977] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1001.114977] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1001.114977] irq event stamp: 187928874
>[ 1001.114977] hardirqs last  enabled at (187928873): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1001.114977] hardirqs last disabled at (187928874): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1001.114977] softirqs last  enabled at (187928658): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1001.114977] softirqs last disabled at (187928653): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1001.114977] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1001.114977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1001.114977] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1001.114977] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1001.114977] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 1001.114977] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 1001.114977] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 1001.114977] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 1001.114977] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1001.114977] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 1001.114977] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1001.114977] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1001.114977] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1001.114977] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1001.114977] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1001.114977] Stack:
>[ 1001.114977]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 1001.114977]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1001.114977]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 1001.114977] Call Trace:
>[ 1001.114977]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 1001.114977]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1001.114977]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1001.114977]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1001.114977]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1001.114977]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1001.114977]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1001.114977]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1001.114977]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1001.114977] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1029.114720] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1029.114720] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1029.114720] irq event stamp: 194080338
>[ 1029.114720] hardirqs last  enabled at (194080337): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 1029.114720] hardirqs last disabled at (194080338): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1029.114720] softirqs last  enabled at (194080156): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1029.114720] softirqs last disabled at (194080151): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1029.114720] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1029.114720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1029.114720] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1029.114720] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 1029.114720] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 1029.114720] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1029.114720] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 1029.114720] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1029.114720] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1029.114720] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 1029.114720] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1029.114720] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1029.114720] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1029.114720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1029.114720] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1029.114720] Stack:
>[ 1029.114720]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 1029.114720]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 1029.114720]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1029.114720] Call Trace:
>[ 1029.114720]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 1029.114720]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1029.114720]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1029.114720]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1029.114720]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1029.114720]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1029.114720]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1029.114720]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1029.114720]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1029.114720]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1029.114720] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 1057.114464] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1057.114464] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1057.114464] irq event stamp: 199967944
>[ 1057.114464] hardirqs last  enabled at (199967943): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1057.114464] hardirqs last disabled at (199967944): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1057.114464] softirqs last  enabled at (199967758): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1057.114464] softirqs last disabled at (199967753): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1057.114464] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1057.114464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1057.114464] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1057.114464] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1057.114464] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 1057.114464] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 1057.114464] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 1057.114464] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 1057.114464] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1057.114464] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 1057.114464] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1057.114464] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1057.114464] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1057.114464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1057.114464] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1057.114464] Stack:
>[ 1057.114464]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 1057.114464]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1057.114464]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 1057.114464] Call Trace:
>[ 1057.114464]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 1057.114464]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1057.114464]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1057.114464]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1057.114464]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1057.114464]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1057.114464]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1057.114464]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1057.114464]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1057.114464] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1085.114207] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1085.114207] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1085.114207] irq event stamp: 206233470
>[ 1085.114207] hardirqs last  enabled at (206233469): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1085.114207] hardirqs last disabled at (206233470): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1085.114207] softirqs last  enabled at (206233248): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1085.114207] softirqs last disabled at (206233243): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1085.114207] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1085.114207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1085.114207] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1085.114207] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1085.114207] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1085.114207] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1085.114207] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1085.114207] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1085.114207] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1085.114207] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1085.114207] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1085.114207] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1085.114207] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1085.114207] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1085.114207] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1085.114207] Stack:
>[ 1085.114207]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1085.114207]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1085.114207]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1085.114207] Call Trace:
>[ 1085.114207]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1085.114207]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1085.114207]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1085.114207]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1085.114207]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1085.114207]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1085.114207]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1085.114207]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1085.114207]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1085.114207]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1085.114207]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1085.114207] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1113.114950] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1113.114950] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1113.114950] irq event stamp: 212219734
>[ 1113.114950] hardirqs last  enabled at (212219733): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1113.114950] hardirqs last disabled at (212219734): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1113.114950] softirqs last  enabled at (212219520): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1113.114950] softirqs last disabled at (212219515): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1113.114950] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1113.114950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1113.114950] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1113.114950] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1113.114950] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 1113.114950] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 1113.114950] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 1113.114950] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 1113.114950] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1113.114950] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1113.114950] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1113.114950] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1113.114950] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1113.114950] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1113.114950] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1113.114950] Stack:
>[ 1113.114950]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 1113.114950]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1113.114950]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 1113.114950] Call Trace:
>[ 1113.114950]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1113.114950]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 1113.114950]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 1113.114950]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1113.114950]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1113.114950]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1113.114950]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1113.114950]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1113.114950]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1113.114950]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1113.114950]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1113.114950]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1113.114950]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1113.114950] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1141.114694] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1141.114694] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1141.114694] irq event stamp: 218079762
>[ 1141.114694] hardirqs last  enabled at (218079761): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1141.114694] hardirqs last disabled at (218079762): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1141.114694] softirqs last  enabled at (218079568): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1141.114694] softirqs last disabled at (218079563): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1141.114694] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1141.114694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1141.114694] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1141.114694] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1141.114694] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1141.114694] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1141.114694] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1141.114694] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1141.114694] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1141.114694] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1141.114694] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1141.114694] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1141.114694] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1141.114694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1141.114694] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1141.114694] Stack:
>[ 1141.114694]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1141.114694]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1141.114694]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1141.114694] Call Trace:
>[ 1141.114694]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1141.114694]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1141.114694]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1141.114694]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1141.114694]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1141.114694]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1141.114694]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1141.114694]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1141.114694]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1141.114694]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1141.114694]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1141.114694] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1169.114437] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1169.114437] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1169.114437] irq event stamp: 224142730
>[ 1169.114437] hardirqs last  enabled at (224142729): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1169.114437] hardirqs last disabled at (224142730): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1169.114437] softirqs last  enabled at (224142504): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1169.114437] softirqs last disabled at (224142499): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1169.114437] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1169.114437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1169.114437] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1169.114437] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1169.114437] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1169.114437] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1169.114437] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1169.114437] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1169.114437] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1169.114437] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1169.114437] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1169.114437] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1169.114437] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1169.114437] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1169.114437] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1169.114437] Stack:
>[ 1169.114437]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1169.114437]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1169.114437]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1169.114437] Call Trace:
>[ 1169.114437]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1169.114437]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1169.114437]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1169.114437]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1169.114437]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1169.114437]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1169.114437]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1169.114437]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1169.114437]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1169.114437]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1169.114437]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1169.114437] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1170.933161] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=1040027 jiffies, g=9748, c=9747, q=1)
>[ 1170.933161] INFO: Stall ended before state dump start
>[ 1197.114181] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1197.114181] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1197.114181] irq event stamp: 230397456
>[ 1197.114181] hardirqs last  enabled at (230397455): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1197.114181] hardirqs last disabled at (230397456): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1197.114181] softirqs last  enabled at (230397240): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1197.114181] softirqs last disabled at (230397235): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1197.114181] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1197.114181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1197.114181] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1197.114181] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1197.114181] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 1197.114181] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 1197.114181] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 1197.114181] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 1197.114181] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1197.114181] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 1197.114181] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1197.114181] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1197.114181] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1197.114181] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1197.114181] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1197.114181] Stack:
>[ 1197.114181]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 1197.114181]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1197.114181]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 1197.114181] Call Trace:
>[ 1197.114181]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 1197.114181]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1197.114181]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1197.114181]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1197.114181]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1197.114181]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1197.114181]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1197.114181]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1197.114181]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1197.114181] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1225.114924] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1225.114924] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1225.114924] irq event stamp: 236380444
>[ 1225.114924] hardirqs last  enabled at (236380443): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 1225.114924] hardirqs last disabled at (236380444): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1225.114924] softirqs last  enabled at (236380276): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1225.114924] softirqs last disabled at (236380271): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1225.114924] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1225.114924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1225.114924] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1225.114924] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 1225.114924] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 1225.114924] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 1225.114924] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 1225.114924] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 1225.114924] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 1225.114924] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 1225.114924] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1225.114924] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1225.114924] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1225.114924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1225.114924] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1225.114924] Stack:
>[ 1225.114924]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 1225.114924]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 1225.114924]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 1225.114924] Call Trace:
>[ 1225.114924]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1225.114924]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 1225.114924]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1225.114924]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 1225.114924]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1225.114924]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1225.114924]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1225.114924]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1225.114924]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1225.114924]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1225.114924]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1225.114924]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1225.114924]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1225.114924]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1225.114924] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 1253.114667] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1253.114667] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1253.114667] irq event stamp: 242223860
>[ 1253.114667] hardirqs last  enabled at (242223859): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1253.114667] hardirqs last disabled at (242223860): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1253.114667] softirqs last  enabled at (242223636): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1253.114667] softirqs last disabled at (242223631): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1253.114667] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1253.114667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1253.114667] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1253.114667] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1253.114667] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1253.114667] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1253.114667] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1253.114667] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1253.114667] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1253.114667] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1253.114667] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1253.114667] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1253.114667] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1253.114667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1253.114667] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1253.114667] Stack:
>[ 1253.114667]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1253.114667]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1253.114667]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1253.114667] Call Trace:
>[ 1253.114667]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1253.114667]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1253.114667]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1253.114667]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1253.114667]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1253.114667]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1253.114667]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1253.114667]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1253.114667]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1253.114667]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1253.114667]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1253.114667] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1281.114411] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1281.114411] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1281.114411] irq event stamp: 248384028
>[ 1281.114411] hardirqs last  enabled at (248384027): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 1281.114411] hardirqs last disabled at (248384028): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1281.114411] softirqs last  enabled at (248383816): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1281.114411] softirqs last disabled at (248383811): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1281.114411] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1281.114411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1281.114411] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1281.114411] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 1281.114411] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 1281.114411] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 1281.114411] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 1281.114411] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1281.114411] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 1281.114411] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1281.114411] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1281.114411] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1281.114411] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1281.114411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1281.114411] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1281.114411] Stack:
>[ 1281.114411]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 1281.114411]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 1281.114411]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 1281.114411] Call Trace:
>[ 1281.114411]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 1281.114411]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 1281.114411]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1281.114411]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1281.114411]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1281.114411]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1281.114411]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1281.114411]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1281.114411]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1281.114411]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1281.114411]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1281.114411] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 1309.114154] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1309.114154] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1309.114154] irq event stamp: 254391656
>[ 1309.114154] hardirqs last  enabled at (254391655): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1309.114154] hardirqs last disabled at (254391656): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1309.114154] softirqs last  enabled at (254391428): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1309.114154] softirqs last disabled at (254391423): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1309.114154] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1309.114154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1309.114154] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1309.114154] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1309.114154] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1309.114154] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1309.114154] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1309.114154] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1309.114154] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1309.114154] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1309.114154] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1309.114154] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1309.114154] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1309.114154] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1309.114154] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1309.114154] Stack:
>[ 1309.114154]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1309.114154]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1309.114154]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1309.114154] Call Trace:
>[ 1309.114154]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1309.114154]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1309.114154]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1309.114154]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1309.114154]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1309.114154]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1309.114154]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1309.114154]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1309.114154]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1309.114154]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1309.114154]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1309.114154] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1337.114897] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1337.114897] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1337.114897] irq event stamp: 260480924
>[ 1337.114897] hardirqs last  enabled at (260480923): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1337.114897] hardirqs last disabled at (260480924): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1337.114897] softirqs last  enabled at (260480700): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1337.114897] softirqs last disabled at (260480695): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1337.114897] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1337.114897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1337.114897] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1337.114897] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 1337.114897] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 1337.114897] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 1337.114897] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 1337.114897] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 1337.114897] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 1337.114897] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 1337.114897] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1337.114897] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1337.114897] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1337.114897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1337.114897] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1337.114897] Stack:
>[ 1337.114897]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1337.114897]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 1337.114897]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 1337.114897] Call Trace:
>[ 1337.114897]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 1337.114897]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 1337.114897]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1337.114897]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1337.114897]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1337.114897]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1337.114897]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1337.114897]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1337.114897]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1337.114897]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1337.114897]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1337.114897]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1337.114897] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 1365.114641] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1365.114641] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1365.114641] irq event stamp: 266503980
>[ 1365.114641] hardirqs last  enabled at (266503979): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 1365.114641] hardirqs last disabled at (266503980): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1365.114641] softirqs last  enabled at (266503758): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1365.114641] softirqs last disabled at (266503753): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1365.114641] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1365.114641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1365.114641] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1365.114641] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 1365.114641] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 1365.114641] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1365.114641] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 1365.114641] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1365.114641] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1365.114641] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 1365.114641] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1365.114641] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1365.114641] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1365.114641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1365.114641] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1365.114641] Stack:
>[ 1365.114641]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 1365.114641]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 1365.114641]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1365.114641] Call Trace:
>[ 1365.114641]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 1365.114641]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1365.114641]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1365.114641]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1365.114641]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1365.114641]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1365.114641]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1365.114641]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1365.114641]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1365.114641]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1365.114641] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 1365.908520] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=1235032 jiffies, g=9748, c=9747, q=1)
>[ 1365.908520] INFO: Stall ended before state dump start
>[ 1393.114384] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1393.114384] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1393.114384] irq event stamp: 272621050
>[ 1393.114384] hardirqs last  enabled at (272621049): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1393.114384] hardirqs last disabled at (272621050): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1393.114384] softirqs last  enabled at (272620826): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1393.114384] softirqs last disabled at (272620821): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1393.114384] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1393.114384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1393.114384] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1393.114384] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1393.114384] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1393.114384] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1393.114384] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1393.114384] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1393.114384] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1393.114384] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1393.114384] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1393.114384] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1393.114384] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1393.114384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1393.114384] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1393.114384] Stack:
>[ 1393.114384]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1393.114384]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1393.114384]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1393.114384] Call Trace:
>[ 1393.114384]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1393.114384]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1393.114384]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1393.114384]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1393.114384]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1393.114384]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1393.114384]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1393.114384]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1393.114384]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1393.114384]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1393.114384]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1393.114384] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1421.114127] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1421.114127] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1421.114127] irq event stamp: 278882484
>[ 1421.114127] hardirqs last  enabled at (278882483): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 1421.114127] hardirqs last disabled at (278882484): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1421.114127] softirqs last  enabled at (278882258): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1421.114127] softirqs last disabled at (278882253): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1421.114127] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1421.114127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1421.114127] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1421.114127] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 1421.114127] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 1421.114127] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 1421.114127] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 1421.114127] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 1421.114127] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 1421.114127] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 1421.114127] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1421.114127] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1421.114127] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1421.114127] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1421.114127] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1421.114127] Stack:
>[ 1421.114127]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 1421.114127]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 1421.114127]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 1421.114127] Call Trace:
>[ 1421.114127]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1421.114127]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 1421.114127]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1421.114127]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 1421.114127]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1421.114127]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1421.114127]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1421.114127]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1421.114127]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1421.114127]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1421.114127]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1421.114127]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1421.114127]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1421.114127]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1421.114127] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 1449.114871] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1449.114871] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1449.114871] irq event stamp: 284964076
>[ 1449.114871] hardirqs last  enabled at (284964075): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1449.114871] hardirqs last disabled at (284964076): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1449.114871] softirqs last  enabled at (284963852): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1449.114871] softirqs last disabled at (284963847): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1449.114871] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1449.114871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1449.114871] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1449.114871] RIP: 0010:[<ffffffff810c6924>]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1449.114871] RSP: 0018:ffff8800184dbc88  EFLAGS: 00000246
>[ 1449.114871] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1449.114871] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1449.114871] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1449.114871] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810d18d9
>[ 1449.114871] R13: ffff8800184dbc28 R14: ffff88001844a5f0 R15: 0000000000000006
>[ 1449.114871] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1449.114871] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1449.114871] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1449.114871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1449.114871] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1449.114871] Stack:
>[ 1449.114871]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1449.114871]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1449.114871]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 1449.114871] Call Trace:
>[ 1449.114871]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1449.114871]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1449.114871]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1449.114871]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1449.114871]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1449.114871]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1449.114871]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1449.114871]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1449.114871]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1449.114871]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1449.114871] Code: 54 53 48 89 fb e8 1d 98 69 00 4d 89 f8 49 89 c4 44 89 f2 44 89 ee 48 89 df 31 c9 e8 37 fd ff ff 4c 89 e6 48 89 df e8 cc 8f 69 00 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 90 66 66 66 66 90 55 48 8d 47 
>[ 1477.114614] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1477.114614] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1477.114614] irq event stamp: 291024030
>[ 1477.114614] hardirqs last  enabled at (291024029): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1477.114614] hardirqs last disabled at (291024030): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1477.114614] softirqs last  enabled at (291023834): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1477.114614] softirqs last disabled at (291023829): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1477.114614] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1477.114614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1477.114614] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1477.114614] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1477.114614] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 1477.114614] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 1477.114614] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 1477.114614] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 1477.114614] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1477.114614] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1477.114614] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1477.114614] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1477.114614] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1477.114614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1477.114614] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1477.114614] Stack:
>[ 1477.114614]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 1477.114614]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1477.114614]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 1477.114614] Call Trace:
>[ 1477.114614]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1477.114614]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 1477.114614]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 1477.114614]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1477.114614]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1477.114614]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1477.114614]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1477.114614]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1477.114614]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1477.114614]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1477.114614]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1477.114614]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1477.114614]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1477.114614] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1505.114357] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1505.114357] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1505.114357] irq event stamp: 296961362
>[ 1505.114357] hardirqs last  enabled at (296961361): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1505.114357] hardirqs last disabled at (296961362): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1505.114357] softirqs last  enabled at (296961166): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1505.114357] softirqs last disabled at (296961161): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1505.114357] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1505.114357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1505.114357] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1505.114357] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1505.114357] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 1505.114357] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 1505.114357] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 1505.114357] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 1505.114357] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1505.114357] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1505.114357] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1505.114357] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1505.114357] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1505.114357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1505.114357] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1505.114357] Stack:
>[ 1505.114357]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 1505.114357]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1505.114357]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 1505.114357] Call Trace:
>[ 1505.114357]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1505.114357]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 1505.114357]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 1505.114357]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1505.114357]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1505.114357]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1505.114357]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1505.114357]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1505.114357]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1505.114357]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1505.114357]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1505.114357]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1505.114357]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1505.114357] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1533.114101] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1533.114101] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1533.114101] irq event stamp: 303060058
>[ 1533.114101] hardirqs last  enabled at (303060057): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1533.114101] hardirqs last disabled at (303060058): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1533.114101] softirqs last  enabled at (303059840): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1533.114101] softirqs last disabled at (303059835): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1533.114101] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1533.114101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1533.114101] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1533.114101] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1533.114101] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 1533.114101] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 1533.114101] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 1533.114101] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 1533.114101] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1533.114101] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 1533.114101] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1533.114101] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1533.114101] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1533.114101] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1533.114101] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1533.114101] Stack:
>[ 1533.114101]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 1533.114101]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1533.114101]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 1533.114101] Call Trace:
>[ 1533.114101]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 1533.114101]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1533.114101]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1533.114101]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1533.114101]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1533.114101]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1533.114101]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1533.114101]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1533.114101]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1533.114101] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1560.883879] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=1430037 jiffies, g=9748, c=9747, q=1)
>[ 1560.883879] INFO: Stall ended before state dump start
>[ 1585.114196] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1585.114196] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1585.114196] irq event stamp: 314460396
>[ 1585.114196] hardirqs last  enabled at (314460395): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 1585.114196] hardirqs last disabled at (314460396): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1585.114196] softirqs last  enabled at (314460164): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1585.114196] softirqs last disabled at (314460159): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1585.114196] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1585.114196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1585.114196] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1585.114196] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 1585.114196] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 1585.114196] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1585.114196] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 1585.114196] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1585.114196] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1585.114196] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 1585.114196] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1585.114196] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1585.114196] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1585.114196] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1585.114196] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1585.114196] Stack:
>[ 1585.114196]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 1585.114196]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 1585.114196]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1585.114196] Call Trace:
>[ 1585.114196]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 1585.114196]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1585.114196]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1585.114196]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1585.114196]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1585.114196]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1585.114196]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1585.114196]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1585.114196]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1585.114196]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1585.114196] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 1613.114939] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1613.114939] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1613.114939] irq event stamp: 320608426
>[ 1613.114939] hardirqs last  enabled at (320608425): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1613.114939] hardirqs last disabled at (320608426): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1613.114939] softirqs last  enabled at (320608202): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1613.114939] softirqs last disabled at (320608197): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1613.114939] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1613.114939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1613.114939] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1613.114939] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 1613.114939] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 1613.114939] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 1613.114939] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 1613.114939] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 1613.114939] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 1613.114939] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 1613.114939] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1613.114939] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1613.114939] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1613.114939] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1613.114939] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1613.114939] Stack:
>[ 1613.114939]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1613.114939]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 1613.114939]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 1613.114939] Call Trace:
>[ 1613.114939]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 1613.114939]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 1613.114939]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1613.114939]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1613.114939]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1613.114939]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1613.114939]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1613.114939]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1613.114939]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1613.114939]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1613.114939]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1613.114939]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1613.114939] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 1641.114682] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1641.114682] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1641.114682] irq event stamp: 326784680
>[ 1641.114682] hardirqs last  enabled at (326784679): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 1641.114682] hardirqs last disabled at (326784680): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1641.114682] softirqs last  enabled at (326784466): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1641.114682] softirqs last disabled at (326784461): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1641.114682] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1641.114682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1641.114682] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1641.114682] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 1641.114682] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 1641.114682] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 1641.114682] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 1641.114682] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1641.114682] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1641.114682] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 1641.114682] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1641.114682] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1641.114682] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1641.114682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1641.114682] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1641.114682] Stack:
>[ 1641.114682]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 1641.114682]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 1641.114682]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1641.114682] Call Trace:
>[ 1641.114682]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 1641.114682]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 1641.114682]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1641.114682]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1641.114682]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1641.114682]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1641.114682]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1641.114682]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1641.114682]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1641.114682]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1641.114682] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 1669.114426] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1669.114426] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1669.114426] irq event stamp: 332907066
>[ 1669.114426] hardirqs last  enabled at (332907065): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1669.114426] hardirqs last disabled at (332907066): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1669.114426] softirqs last  enabled at (332906852): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1669.114426] softirqs last disabled at (332906847): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1669.114426] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1669.114426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1669.114426] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1669.114426] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1669.114426] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1669.114426] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1669.114426] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1669.114426] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1669.114426] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1669.114426] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1669.114426] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1669.114426] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1669.114426] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1669.114426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1669.114426] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1669.114426] Stack:
>[ 1669.114426]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1669.114426]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1669.114426]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1669.114426] Call Trace:
>[ 1669.114426]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1669.114426]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1669.114426]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1669.114426]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1669.114426]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1669.114426]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1669.114426]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1669.114426]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1669.114426]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1669.114426]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1669.114426]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1669.114426] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1697.114169] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1697.114169] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1697.114169] irq event stamp: 338792628
>[ 1697.114169] hardirqs last  enabled at (338792627): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1697.114169] hardirqs last disabled at (338792628): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1697.114169] softirqs last  enabled at (338792416): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1697.114169] softirqs last disabled at (338792411): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1697.114169] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1697.114169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1697.114169] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1697.114169] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1697.114169] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 1697.114169] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 1697.114169] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 1697.114169] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 1697.114169] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1697.114169] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1697.114169] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1697.114169] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1697.114169] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1697.114169] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1697.114169] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1697.114169] Stack:
>[ 1697.114169]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 1697.114169]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1697.114169]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 1697.114169] Call Trace:
>[ 1697.114169]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1697.114169]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 1697.114169]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 1697.114169]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1697.114169]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1697.114169]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1697.114169]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1697.114169]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1697.114169]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1697.114169]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1697.114169]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1697.114169]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1697.114169]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1697.114169] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1725.114912] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1725.114912] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1725.114912] irq event stamp: 344484312
>[ 1725.114912] hardirqs last  enabled at (344484311): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 1725.114912] hardirqs last disabled at (344484312): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1725.114912] softirqs last  enabled at (344484122): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1725.114912] softirqs last disabled at (344484117): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1725.114912] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1725.114912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1725.114912] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1725.114912] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 1725.114912] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 1725.114912] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 1725.114912] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 1725.114912] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1725.114912] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 1725.114912] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1725.114912] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1725.114912] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1725.114912] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1725.114912] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1725.114912] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1725.114912] Stack:
>[ 1725.114912]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 1725.114912]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 1725.114912]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 1725.114912] Call Trace:
>[ 1725.114912]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 1725.114912]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 1725.114912]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1725.114912]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1725.114912]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1725.114912]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1725.114912]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1725.114912]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1725.114912]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1725.114912]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1725.114912]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1725.114912] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 1753.114656] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1753.114656] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1753.114656] irq event stamp: 350229788
>[ 1753.114656] hardirqs last  enabled at (350229787): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1753.114656] hardirqs last disabled at (350229788): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1753.114656] softirqs last  enabled at (350229578): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1753.114656] softirqs last disabled at (350229573): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1753.114656] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1753.114656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1753.114656] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1753.114656] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1753.114656] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 1753.114656] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 1753.114656] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 1753.114656] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 1753.114656] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1753.114656] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 1753.114656] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1753.114656] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1753.114656] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1753.114656] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1753.114656] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1753.114656] Stack:
>[ 1753.114656]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 1753.114656]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 1753.114656]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 1753.114656] Call Trace:
>[ 1753.114656]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1753.114656]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 1753.114656]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1753.114656]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1753.114656]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1753.114656]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1753.114656]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1753.114656]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1753.114656]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1753.114656]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1753.114656]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1753.114656] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1755.859238] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=1625042 jiffies, g=9748, c=9747, q=1)
>[ 1755.859238] INFO: Stall ended before state dump start
>[ 1781.114399] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1781.114399] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1781.114399] irq event stamp: 356308780
>[ 1781.114399] hardirqs last  enabled at (356308779): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1781.114399] hardirqs last disabled at (356308780): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1781.114399] softirqs last  enabled at (356308558): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1781.114399] softirqs last disabled at (356308553): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1781.114399] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1781.114399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1781.114399] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1781.114399] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1781.114399] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 1781.114399] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 1781.114399] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 1781.114399] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 1781.114399] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1781.114399] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 1781.114399] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1781.114399] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1781.114399] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1781.114399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1781.114399] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1781.114399] Stack:
>[ 1781.114399]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 1781.114399]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1781.114399]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 1781.114399] Call Trace:
>[ 1781.114399]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 1781.114399]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1781.114399]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1781.114399]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1781.114399]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1781.114399]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1781.114399]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1781.114399]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1781.114399]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1781.114399] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1809.114142] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1809.114142] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1809.114142] irq event stamp: 362253328
>[ 1809.114142] hardirqs last  enabled at (362253327): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 1809.114142] hardirqs last disabled at (362253328): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1809.114142] softirqs last  enabled at (362253116): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1809.114142] softirqs last disabled at (362253111): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1809.114142] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1809.114142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1809.114142] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1809.114142] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 1809.114142] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 1809.114142] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 1809.114142] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 1809.114142] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1809.114142] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1809.114142] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 1809.114142] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1809.114142] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1809.114142] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1809.114142] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1809.114142] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1809.114142] Stack:
>[ 1809.114142]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 1809.114142]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 1809.114142]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1809.114142] Call Trace:
>[ 1809.114142]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 1809.114142]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 1809.114142]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1809.114142]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1809.114142]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1809.114142]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1809.114142]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1809.114142]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1809.114142]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1809.114142]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1809.114142] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 1837.114855] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 1837.114886] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1837.114886] irq event stamp: 368038132
>[ 1837.114886] hardirqs last  enabled at (368038131): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1837.114886] hardirqs last disabled at (368038132): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1837.114886] softirqs last  enabled at (368037966): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1837.114886] softirqs last disabled at (368037961): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1837.114886] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1837.114886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1837.114886] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1837.114886] RIP: 0010:[<ffffffffa021f979>]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1837.114886] RSP: 0018:ffff8800184dbce8  EFLAGS: 00000246
>[ 1837.114886] RAX: 0000000000000000 RBX: ffff8800195c7460 RCX: 0000000000005b40
>[ 1837.114886] RDX: 00000000000041c7 RSI: 0000000000000001 RDI: ffffffff81cdd240
>[ 1837.114886] RBP: ffff8800184dbdd8 R08: 0000000000000001 R09: 0000000000000000
>[ 1837.114886] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81cdd240
>[ 1837.114886] R13: 0000000000000246 R14: ffff8800184dbc78 R15: ffffffff81cdd258
>[ 1837.114886] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1837.114886] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1837.114886] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1837.114886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1837.114886] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1837.114886] Stack:
>[ 1837.114886]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1837.114886]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 1837.114886]  0000000000000001 0000000000000001 0000000000000000 ffff8800184da000
>[ 1837.114886] Call Trace:
>[ 1837.114886]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1837.114886]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1837.114886]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1837.114886]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1837.114886]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1837.114886]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1837.114886]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1837.114886]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1837.114886] Code: 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8b 07 48 89 c3 48 89 85 18 ff ff ff 48 83 c0 78 48 89 85 10 ff ff ff e8 67 ee 37 e1 <48> 8d bd 78 ff ff ff e8 db 17 13 e1 48 89 9d 40 ff ff ff 48 8b 
>[ 1865.114629] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1865.114629] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1865.114629] irq event stamp: 373934214
>[ 1865.114629] hardirqs last  enabled at (373934213): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 1865.114629] hardirqs last disabled at (373934214): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1865.114629] softirqs last  enabled at (373933992): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1865.114629] softirqs last disabled at (373933987): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1865.114629] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1865.114629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1865.114629] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1865.114629] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 1865.114629] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 1865.114629] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 1865.114629] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 1865.114629] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 1865.114629] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 1865.114629] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 1865.114629] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1865.114629] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1865.114629] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1865.114629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1865.114629] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1865.114629] Stack:
>[ 1865.114629]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 1865.114629]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 1865.114629]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 1865.114629] Call Trace:
>[ 1865.114629]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 1865.114629]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 1865.114629]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1865.114629]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1865.114629]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1865.114629]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1865.114629]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1865.114629]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1865.114629]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1865.114629]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1865.114629] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 1893.114372] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1893.114372] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1893.114372] irq event stamp: 379834116
>[ 1893.114372] hardirqs last  enabled at (379834115): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 1893.114372] hardirqs last disabled at (379834116): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1893.114372] softirqs last  enabled at (379833902): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1893.114372] softirqs last disabled at (379833897): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1893.114372] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1893.114372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1893.114372] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1893.114372] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 1893.114372] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 1893.114372] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 1893.114372] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 1893.114372] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 1893.114372] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 1893.114372] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 1893.114372] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1893.114372] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1893.114372] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1893.114372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1893.114372] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1893.114372] Stack:
>[ 1893.114372]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 1893.114372]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 1893.114372]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 1893.114372] Call Trace:
>[ 1893.114372]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1893.114372]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 1893.114372]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1893.114372]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 1893.114372]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1893.114372]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1893.114372]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1893.114372]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1893.114372]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1893.114372]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1893.114372]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1893.114372]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1893.114372]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1893.114372]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1893.114372] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 1921.114116] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1921.114116] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1921.114116] irq event stamp: 385846432
>[ 1921.114116] hardirqs last  enabled at (385846431): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1921.114116] hardirqs last disabled at (385846432): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1921.114116] softirqs last  enabled at (385846226): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1921.114116] softirqs last disabled at (385846221): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1921.114116] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1921.114116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1921.114116] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1921.114116] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1921.114116] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 1921.114116] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 1921.114116] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 1921.114116] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 1921.114116] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1921.114116] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1921.114116] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1921.114116] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1921.114116] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1921.114116] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1921.114116] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1921.114116] Stack:
>[ 1921.114116]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 1921.114116]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1921.114116]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 1921.114116] Call Trace:
>[ 1921.114116]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1921.114116]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 1921.114116]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 1921.114116]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1921.114116]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1921.114116]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1921.114116]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1921.114116]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1921.114116]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1921.114116]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1921.114116]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1921.114116]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1921.114116]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1921.114116] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 1949.114859] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1949.114859] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1949.114859] irq event stamp: 391933382
>[ 1949.114859] hardirqs last  enabled at (391933381): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 1949.114859] hardirqs last disabled at (391933382): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1949.114859] softirqs last  enabled at (391933178): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1949.114859] softirqs last disabled at (391933173): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1949.114859] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1949.114859] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1949.114859] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1949.114859] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 1949.114859] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 1949.114859] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 1949.114859] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 1949.114859] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 1949.114859] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 1949.114859] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 1949.114859] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1949.114859] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1949.114859] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1949.114859] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1949.114859] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1949.114859] Stack:
>[ 1949.114859]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 1949.114859]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 1949.114859]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 1949.114859] Call Trace:
>[ 1949.114859]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1949.114859]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 1949.114859]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 1949.114859]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 1949.114859]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1949.114859]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1949.114859]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1949.114859]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1949.114859]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1949.114859]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1949.114859]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1949.114859]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1949.114859]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1949.114859]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1949.114859] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 1950.834598] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=1820047 jiffies, g=9748, c=9747, q=1)
>[ 1950.834598] INFO: Stall ended before state dump start
>[ 1977.114602] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 1977.114602] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 1977.114602] irq event stamp: 397998560
>[ 1977.114602] hardirqs last  enabled at (397998559): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 1977.114602] hardirqs last disabled at (397998560): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 1977.114602] softirqs last  enabled at (397998482): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 1977.114602] softirqs last disabled at (397998477): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 1977.114602] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 1977.114602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 1977.114602] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 1977.114602] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 1977.114602] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 1977.114602] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 1977.114602] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 1977.114602] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 1977.114602] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 1977.114602] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 1977.114602] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 1977.114602] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 1977.114602] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 1977.114602] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 1977.114602] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 1977.114602] Stack:
>[ 1977.114602]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 1977.114602]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 1977.114602]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 1977.114602] Call Trace:
>[ 1977.114602]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 1977.114602]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 1977.114602]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 1977.114602]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 1977.114602]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 1977.114602]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 1977.114602]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 1977.114602]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 1977.114602]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 1977.114602]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 1977.114602]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1977.114602]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 1977.114602]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 1977.114602] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2005.114346] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2005.114346] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2005.114346] irq event stamp: 404071470
>[ 2005.114346] hardirqs last  enabled at (404071469): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2005.114346] hardirqs last disabled at (404071470): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2005.114346] softirqs last  enabled at (404071246): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2005.114346] softirqs last disabled at (404071241): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2005.114346] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2005.114346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2005.114346] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2005.114346] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2005.114346] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 2005.114346] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 2005.114346] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 2005.114346] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2005.114346] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2005.114346] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 2005.114346] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2005.114346] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2005.114346] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2005.114346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2005.114346] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2005.114346] Stack:
>[ 2005.114346]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 2005.114346]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 2005.114346]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2005.114346] Call Trace:
>[ 2005.114346]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 2005.114346]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 2005.114346]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2005.114346]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2005.114346]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2005.114346]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2005.114346]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2005.114346]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2005.114346]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2005.114346]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2005.114346] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2033.114089] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2033.114089] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2033.114089] irq event stamp: 410309020
>[ 2033.114089] hardirqs last  enabled at (410309019): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2033.114089] hardirqs last disabled at (410309020): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2033.114089] softirqs last  enabled at (410308804): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2033.114089] softirqs last disabled at (410308799): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2033.114089] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2033.114089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2033.114089] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2033.114089] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2033.114089] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 2033.114089] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 2033.114089] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 2033.114089] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 2033.114089] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2033.114089] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 2033.114089] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2033.114089] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2033.114089] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2033.114089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2033.114089] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2033.114089] Stack:
>[ 2033.114089]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 2033.114089]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2033.114089]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 2033.114089] Call Trace:
>[ 2033.114089]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 2033.114089]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2033.114089]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2033.114089]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2033.114089]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2033.114089]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2033.114089]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2033.114089]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2033.114089]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2033.114089] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2061.114833] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2061.114833] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2061.114833] irq event stamp: 416631528
>[ 2061.114833] hardirqs last  enabled at (416631527): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2061.114833] hardirqs last disabled at (416631528): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2061.114833] softirqs last  enabled at (416631322): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2061.114833] softirqs last disabled at (416631317): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2061.114833] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2061.114833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2061.114833] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2061.114833] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 2061.114833] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 2061.114833] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 2061.114833] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 2061.114833] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 2061.114833] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 2061.114833] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 2061.114833] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2061.114833] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2061.114833] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2061.114833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2061.114833] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2061.114833] Stack:
>[ 2061.114833]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2061.114833]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 2061.114833]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 2061.114833] Call Trace:
>[ 2061.114833]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 2061.114833]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 2061.114833]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2061.114833]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2061.114833]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2061.114833]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2061.114833]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2061.114833]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2061.114833]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2061.114833]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2061.114833]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2061.114833]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2061.114833] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 2089.114576] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2089.114576] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2089.114576] irq event stamp: 422698198
>[ 2089.114576] hardirqs last  enabled at (422698197): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2089.114576] hardirqs last disabled at (422698198): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2089.114576] softirqs last  enabled at (422697962): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2089.114576] softirqs last disabled at (422697957): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2089.114576] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2089.114576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2089.114576] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2089.114576] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2089.114576] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 2089.114576] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 2089.114576] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 2089.114576] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 2089.114576] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2089.114576] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2089.114576] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2089.114576] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2089.114576] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2089.114576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2089.114576] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2089.114576] Stack:
>[ 2089.114576]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 2089.114576]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2089.114576]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 2089.114576] Call Trace:
>[ 2089.114576]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2089.114576]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 2089.114576]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 2089.114576]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2089.114576]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2089.114576]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2089.114576]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2089.114576]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2089.114576]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2089.114576]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2089.114576]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2089.114576]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2089.114576]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2089.114576] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2117.114319] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2117.114319] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2117.114319] irq event stamp: 428734188
>[ 2117.114319] hardirqs last  enabled at (428734187): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2117.114319] hardirqs last disabled at (428734188): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2117.114319] softirqs last  enabled at (428733962): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2117.114319] softirqs last disabled at (428733957): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2117.114319] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2117.114319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2117.114319] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2117.114319] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2117.114319] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 2117.114319] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2117.114319] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 2117.114319] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 2117.114319] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2117.114319] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 2117.114319] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2117.114319] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2117.114319] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2117.114319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2117.114319] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2117.114319] Stack:
>[ 2117.114319]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 2117.114319]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 2117.114319]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 2117.114319] Call Trace:
>[ 2117.114319]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2117.114319]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 2117.114319]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2117.114319]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2117.114319]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2117.114319]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2117.114319]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2117.114319]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2117.114319]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2117.114319]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2117.114319]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2117.114319] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2145.114063] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2145.114063] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2145.114063] irq event stamp: 434940654
>[ 2145.114063] hardirqs last  enabled at (434940653): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 2145.114063] hardirqs last disabled at (434940654): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2145.114063] softirqs last  enabled at (434940432): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2145.114063] softirqs last disabled at (434940427): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2145.114063] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2145.114063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2145.114063] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2145.114063] RIP: 0010:[<ffffffff8159506f>]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 2145.114063] RSP: 0018:ffff8800184dbca0  EFLAGS: 00000292
>[ 2145.114063] RAX: ffff88001844a5f0 RBX: ffff8800184dbc68 RCX: 0000000000000000
>[ 2145.114063] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: 0000000000000286
>[ 2145.114063] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000001
>[ 2145.114063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
>[ 2145.114063] R13: 0000000000000246 R14: ffff8800184dbc68 R15: 0000000000000000
>[ 2145.114063] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2145.114063] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2145.114063] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2145.114063] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2145.114063] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2145.114063] Stack:
>[ 2145.114063]  ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a
>[ 2145.114063]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[ 2145.114063]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 2145.114063] Call Trace:
>[ 2145.114063]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2145.114063]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2145.114063]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2145.114063]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2145.114063]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2145.114063]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2145.114063]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2145.114063]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2145.114063]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2145.114063]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2145.114063] Code: 4c 89 e6 e8 14 28 cf ff 48 8b 43 08 48 85 c0 74 3b 48 83 78 68 00 74 34 c7 43 3c 00 00 00 00 48 c7 c7 40 d2 cd 81 e8 81 a5 1c 00 <48> 8b bb 48 01 00 00 e8 35 fe ff ff 48 c7 c7 40 d2 cd 81 e8 e9 
>[ 2145.809957] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=2015052 jiffies, g=9748, c=9747, q=1)
>[ 2145.809957] INFO: Stall ended before state dump start
>[ 2173.114806] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2173.114806] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2173.114806] irq event stamp: 441093098
>[ 2173.114806] hardirqs last  enabled at (441093097): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 2173.114806] hardirqs last disabled at (441093098): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2173.114806] softirqs last  enabled at (441092870): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2173.114806] softirqs last disabled at (441092865): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2173.114806] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2173.114806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2173.114806] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2173.114806] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 2173.114806] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 2173.114806] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 2173.114806] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 2173.114806] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2173.114806] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 2173.114806] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2173.114806] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2173.114806] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2173.114806] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2173.114806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2173.114806] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2173.114806] Stack:
>[ 2173.114806]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 2173.114806]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 2173.114806]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 2173.114806] Call Trace:
>[ 2173.114806]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 2173.114806]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 2173.114806]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2173.114806]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2173.114806]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2173.114806]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2173.114806]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2173.114806]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2173.114806]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2173.114806]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2173.114806]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2173.114806] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 2201.114549] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2201.114549] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2201.114549] irq event stamp: 447233962
>[ 2201.114549] hardirqs last  enabled at (447233961): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2201.114549] hardirqs last disabled at (447233962): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2201.114549] softirqs last  enabled at (447233754): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2201.114549] softirqs last disabled at (447233749): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2201.114549] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2201.114549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2201.114549] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2201.114549] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2201.114549] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 2201.114549] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2201.114549] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 2201.114549] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2201.114549] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2201.114549] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 2201.114549] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2201.114549] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2201.114549] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2201.114549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2201.114549] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2201.114549] Stack:
>[ 2201.114549]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 2201.114549]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 2201.114549]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2201.114549] Call Trace:
>[ 2201.114549]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 2201.114549]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2201.114549]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2201.114549]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2201.114549]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2201.114549]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2201.114549]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2201.114549]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2201.114549]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2201.114549]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2201.114549] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2229.114293] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2229.114293] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2229.114293] irq event stamp: 453295560
>[ 2229.114293] hardirqs last  enabled at (453295559): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2229.114293] hardirqs last disabled at (453295560): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2229.114293] softirqs last  enabled at (453295350): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2229.114293] softirqs last disabled at (453295345): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2229.114293] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2229.114293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2229.114293] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2229.114293] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2229.114293] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 2229.114293] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 2229.114293] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 2229.114293] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 2229.114293] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2229.114293] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2229.114293] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2229.114293] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2229.114293] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2229.114293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2229.114293] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2229.114293] Stack:
>[ 2229.114293]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 2229.114293]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2229.114293]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 2229.114293] Call Trace:
>[ 2229.114293]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2229.114293]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 2229.114293]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 2229.114293]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2229.114293]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2229.114293]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2229.114293]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2229.114293]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2229.114293]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2229.114293]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2229.114293]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2229.114293]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2229.114293]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2229.114293] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2257.114036] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2257.114036] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2257.114036] irq event stamp: 459042028
>[ 2257.114036] hardirqs last  enabled at (459042027): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2257.114036] hardirqs last disabled at (459042028): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2257.114036] softirqs last  enabled at (459041820): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2257.114036] softirqs last disabled at (459041815): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2257.114036] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2257.114036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2257.114036] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2257.114036] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 2257.114036] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 2257.114036] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 2257.114036] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 2257.114036] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 2257.114036] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 2257.114036] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 2257.114036] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2257.114036] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2257.114036] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2257.114036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2257.114036] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2257.114036] Stack:
>[ 2257.114036]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 2257.114036]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 2257.114036]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 2257.114036] Call Trace:
>[ 2257.114036]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 2257.114036]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2257.114036]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2257.114036]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2257.114036]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2257.114036]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2257.114036]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2257.114036] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 2285.114779] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2285.114779] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2285.114779] irq event stamp: 465323612
>[ 2285.114779] hardirqs last  enabled at (465323611): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 2285.114779] hardirqs last disabled at (465323612): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2285.114779] softirqs last  enabled at (465323378): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2285.114779] softirqs last disabled at (465323373): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2285.114779] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2285.114779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2285.114779] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2285.114779] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 2285.114779] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 2285.114779] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 2285.114779] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 2285.114779] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 2285.114779] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 2285.114779] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 2285.114779] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2285.114779] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2285.114779] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2285.114779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2285.114779] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2285.114779] Stack:
>[ 2285.114779]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 2285.114779]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 2285.114779]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 2285.114779] Call Trace:
>[ 2285.114779]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 2285.114779]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 2285.114779]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 2285.114779]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 2285.114779]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2285.114779]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2285.114779]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2285.114779]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2285.114779]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2285.114779]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2285.114779]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2285.114779]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2285.114779]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2285.114779]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2285.114779] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 2313.114523] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2313.114523] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2313.114523] irq event stamp: 471498470
>[ 2313.114523] hardirqs last  enabled at (471498469): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2313.114523] hardirqs last disabled at (471498470): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2313.114523] softirqs last  enabled at (471498250): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2313.114523] softirqs last disabled at (471498245): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2313.114523] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2313.114523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2313.114523] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2313.114523] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2313.114523] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 2313.114523] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 2313.114523] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 2313.114523] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 2313.114523] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2313.114523] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2313.114523] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2313.114523] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2313.114523] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2313.114523] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2313.114523] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2313.114523] Stack:
>[ 2313.114523]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 2313.114523]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2313.114523]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 2313.114523] Call Trace:
>[ 2313.114523]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2313.114523]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 2313.114523]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 2313.114523]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2313.114523]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2313.114523]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2313.114523]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2313.114523]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2313.114523]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2313.114523]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2313.114523]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2313.114523]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2313.114523]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2313.114523] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2340.785314] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=2210057 jiffies, g=9748, c=9747, q=1)
>[ 2340.785316] INFO: Stall ended before state dump start
>[ 2365.114618] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2365.114618] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2365.114618] irq event stamp: 482902444
>[ 2365.114618] hardirqs last  enabled at (482902443): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2365.114618] hardirqs last disabled at (482902444): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2365.114618] softirqs last  enabled at (482902212): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2365.114618] softirqs last disabled at (482902207): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2365.114618] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2365.114618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2365.114618] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2365.114618] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2365.114618] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 2365.114618] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2365.114618] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 2365.114618] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 2365.114618] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2365.114618] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 2365.114618] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2365.114618] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2365.114618] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2365.114618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2365.114618] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2365.114618] Stack:
>[ 2365.114618]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 2365.114618]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 2365.114618]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 2365.114618] Call Trace:
>[ 2365.114618]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2365.114618]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 2365.114618]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2365.114618]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2365.114618]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2365.114618]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2365.114618]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2365.114618]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2365.114618]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2365.114618]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2365.114618]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2365.114618] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2393.114361] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2393.114361] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2393.114361] irq event stamp: 488986998
>[ 2393.114361] hardirqs last  enabled at (488986997): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2393.114361] hardirqs last disabled at (488986998): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2393.114361] softirqs last  enabled at (488986786): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2393.114361] softirqs last disabled at (488986781): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2393.114361] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2393.114361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2393.114361] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2393.114361] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 2393.114361] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 2393.114361] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 2393.114361] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 2393.114361] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 2393.114361] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 2393.114361] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 2393.114361] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2393.114361] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2393.114361] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2393.114361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2393.114361] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2393.114361] Stack:
>[ 2393.114361]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 2393.114361]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 2393.114361]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 2393.114361] Call Trace:
>[ 2393.114361]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 2393.114361]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2393.114361]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2393.114361]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2393.114361]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2393.114361]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2393.114361]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2393.114361] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 2421.114104] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2421.114104] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2421.114104] irq event stamp: 494865436
>[ 2421.114104] hardirqs last  enabled at (494865435): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2421.114104] hardirqs last disabled at (494865436): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2421.114104] softirqs last  enabled at (494865246): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2421.114104] softirqs last disabled at (494865241): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2421.114104] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2421.114104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2421.114104] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2421.114104] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2421.114104] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 2421.114104] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 2421.114104] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 2421.114104] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2421.114104] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2421.114104] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 2421.114104] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2421.114104] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2421.114104] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2421.114104] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2421.114104] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2421.114104] Stack:
>[ 2421.114104]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 2421.114104]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 2421.114104]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2421.114104] Call Trace:
>[ 2421.114104]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 2421.114104]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 2421.114104]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2421.114104]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2421.114104]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2421.114104]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2421.114104]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2421.114104]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2421.114104]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2421.114104]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2421.114104] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2449.114848] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2449.114848] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2449.114848] irq event stamp: 500913968
>[ 2449.114848] hardirqs last  enabled at (500913967): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2449.114848] hardirqs last disabled at (500913968): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2449.114848] softirqs last  enabled at (500913784): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2449.114848] softirqs last disabled at (500913779): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2449.114848] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2449.114848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2449.114848] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2449.114848] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2449.114848] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 2449.114848] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 2449.114848] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 2449.114848] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 2449.114848] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2449.114848] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2449.114848] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2449.114848] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2449.114848] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2449.114848] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2449.114848] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2449.114848] Stack:
>[ 2449.114848]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 2449.114848]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2449.114848]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 2449.114848] Call Trace:
>[ 2449.114848]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2449.114848]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 2449.114848]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 2449.114848]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2449.114848]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2449.114848]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2449.114848]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2449.114848]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2449.114848]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2449.114848]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2449.114848]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2449.114848]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2449.114848]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2449.114848] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2477.114591] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2477.114591] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2477.114591] irq event stamp: 506898334
>[ 2477.114591] hardirqs last  enabled at (506898333): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2477.114591] hardirqs last disabled at (506898334): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2477.114591] softirqs last  enabled at (506898106): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2477.114591] softirqs last disabled at (506898101): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2477.114591] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2477.114591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2477.114591] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2477.114591] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2477.114591] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 2477.114591] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2477.114591] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 2477.114591] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 2477.114591] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2477.114591] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 2477.114591] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2477.114591] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2477.114591] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2477.114591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2477.114591] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2477.114591] Stack:
>[ 2477.114591]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 2477.114591]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 2477.114591]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 2477.114591] Call Trace:
>[ 2477.114591]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2477.114591]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 2477.114591]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2477.114591]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2477.114591]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2477.114591]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2477.114591]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2477.114591]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2477.114591]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2477.114591]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2477.114591]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2477.114591] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2505.114334] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2505.114334] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2505.114334] irq event stamp: 513042770
>[ 2505.114334] hardirqs last  enabled at (513042769): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2505.114334] hardirqs last disabled at (513042770): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2505.114334] softirqs last  enabled at (513042572): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2505.114334] softirqs last disabled at (513042567): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2505.114334] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2505.114334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2505.114334] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2505.114334] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2505.114334] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 2505.114334] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2505.114334] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 2505.114334] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 2505.114334] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2505.114334] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 2505.114334] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2505.114334] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2505.114334] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2505.114334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2505.114334] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2505.114334] Stack:
>[ 2505.114334]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 2505.114334]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 2505.114334]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 2505.114334] Call Trace:
>[ 2505.114334]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2505.114334]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 2505.114334]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2505.114334]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2505.114334]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2505.114334]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2505.114334]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2505.114334]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2505.114334]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2505.114334]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2505.114334]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2505.114334] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2533.114078] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2533.114078] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2533.114078] irq event stamp: 519035682
>[ 2533.114078] hardirqs last  enabled at (519035681): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2533.114078] hardirqs last disabled at (519035682): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2533.114078] softirqs last  enabled at (519035458): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2533.114078] softirqs last disabled at (519035453): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2533.114078] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2533.114078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2533.114078] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2533.114078] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2533.114078] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 2533.114078] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 2533.114078] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 2533.114078] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 2533.114078] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2533.114078] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 2533.114078] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2533.114078] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2533.114078] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2533.114078] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2533.114078] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2533.114078] Stack:
>[ 2533.114078]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 2533.114078]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2533.114078]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 2533.114078] Call Trace:
>[ 2533.114078]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 2533.114078]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2533.114078]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2533.114078]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2533.114078]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2533.114078]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2533.114078]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2533.114078]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2533.114078]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2533.114078] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2535.760675] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=2405062 jiffies, g=9748, c=9747, q=1)
>[ 2535.760675] INFO: Stall ended before state dump start
>[ 2561.114821] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2561.114821] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2561.114821] irq event stamp: 525176950
>[ 2561.114821] hardirqs last  enabled at (525176949): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 2561.114821] hardirqs last disabled at (525176950): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2561.114821] softirqs last  enabled at (525176770): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2561.114821] softirqs last disabled at (525176765): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2561.114821] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2561.114821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2561.114821] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2561.114821] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 2561.114821] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 2561.114821] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 2561.114821] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 2561.114821] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 2561.114821] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 2561.114821] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 2561.114821] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2561.114821] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2561.114821] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2561.114821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2561.114821] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2561.114821] Stack:
>[ 2561.114821]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 2561.114821]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 2561.114821]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 2561.114821] Call Trace:
>[ 2561.114821]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 2561.114821]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 2561.114821]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 2561.114821]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 2561.114821]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2561.114821]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2561.114821]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2561.114821]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2561.114821]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2561.114821]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2561.114821]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2561.114821]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2561.114821]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2561.114821]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2561.114821] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 2589.114564] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2589.114564] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2589.114564] irq event stamp: 531172898
>[ 2589.114564] hardirqs last  enabled at (531172897): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 2589.114564] hardirqs last disabled at (531172898): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2589.114564] softirqs last  enabled at (531172674): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2589.114564] softirqs last disabled at (531172669): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2589.114564] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2589.114564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2589.114564] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2589.114564] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 2589.114564] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 2589.114564] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 2589.114564] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 2589.114564] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2589.114564] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 2589.114564] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2589.114564] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2589.114564] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2589.114564] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2589.114564] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2589.114564] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2589.114564] Stack:
>[ 2589.114564]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 2589.114564]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 2589.114564]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 2589.114564] Call Trace:
>[ 2589.114564]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 2589.114564]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 2589.114564]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2589.114564]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2589.114564]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2589.114564]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2589.114564]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2589.114564]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2589.114564]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2589.114564]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2589.114564]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2589.114564] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 2617.114308] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2617.114308] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2617.114308] irq event stamp: 537092524
>[ 2617.114308] hardirqs last  enabled at (537092523): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 2617.114308] hardirqs last disabled at (537092524): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2617.114308] softirqs last  enabled at (537092314): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2617.114308] softirqs last disabled at (537092309): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2617.114308] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2617.114308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2617.114308] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2617.114308] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 2617.114308] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 2617.114308] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 2617.114308] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 2617.114308] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2617.114308] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 2617.114308] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2617.114308] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2617.114308] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2617.114308] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2617.114308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2617.114308] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2617.114308] Stack:
>[ 2617.114308]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 2617.114308]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 2617.114308]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 2617.114308] Call Trace:
>[ 2617.114308]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 2617.114308]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 2617.114308]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2617.114308]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2617.114308]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2617.114308]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2617.114308]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2617.114308]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2617.114308]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2617.114308]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2617.114308]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2617.114308] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 2645.114051] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2645.114051] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2645.114051] irq event stamp: 543039484
>[ 2645.114051] hardirqs last  enabled at (543039483): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2645.114051] hardirqs last disabled at (543039484): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2645.114051] softirqs last  enabled at (543039260): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2645.114051] softirqs last disabled at (543039255): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2645.114051] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2645.114051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2645.114051] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2645.114051] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2645.114051] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 2645.114051] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 2645.114051] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 2645.114051] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 2645.114051] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2645.114051] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2645.114051] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2645.114051] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2645.114051] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2645.114051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2645.114051] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2645.114051] Stack:
>[ 2645.114051]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 2645.114051]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2645.114051]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 2645.114051] Call Trace:
>[ 2645.114051]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2645.114051]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 2645.114051]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 2645.114051]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2645.114051]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2645.114051]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2645.114051]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2645.114051]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2645.114051]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2645.114051]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2645.114051]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2645.114051]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2645.114051]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2645.114051] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2673.114794] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2673.114794] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2673.114794] irq event stamp: 549059940
>[ 2673.114794] hardirqs last  enabled at (549059939): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2673.114794] hardirqs last disabled at (549059940): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2673.114794] softirqs last  enabled at (549059712): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2673.114794] softirqs last disabled at (549059707): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2673.114794] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2673.114794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2673.114794] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2673.114794] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2673.114794] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 2673.114794] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 2673.114794] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 2673.114794] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 2673.114794] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2673.114794] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 2673.114794] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2673.114794] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2673.114794] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2673.114794] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2673.114794] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2673.114794] Stack:
>[ 2673.114794]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 2673.114794]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2673.114794]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 2673.114794] Call Trace:
>[ 2673.114794]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 2673.114794]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2673.114794]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2673.114794]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2673.114794]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2673.114794]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2673.114794]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2673.114794]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2673.114794]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2673.114794] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2701.114538] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2701.114538] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2701.114538] irq event stamp: 555160776
>[ 2701.114538] hardirqs last  enabled at (555160775): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2701.114538] hardirqs last disabled at (555160776): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2701.114538] softirqs last  enabled at (555160566): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2701.114538] softirqs last disabled at (555160561): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2701.114538] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2701.114538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2701.114538] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2701.114538] RIP: 0010:[<ffffffff8175f897>]  [<ffffffff8175f897>] _raw_spin_unlock+0x27/0x40
>[ 2701.114538] RSP: 0018:ffff8800184dbc88  EFLAGS: 00000296
>[ 2701.114538] RAX: 0000000000000000 RBX: ffff8800184dbc20 RCX: 0000000000005b40
>[ 2701.114538] RDX: 000000000000aba0 RSI: 0000000000000001 RDI: ffffffff81cdd240
>[ 2701.114538] RBP: ffff8800184dbc90 R08: 0000000000000001 R09: 0000000000000000
>[ 2701.114538] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2701.114538] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc00
>[ 2701.114538] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2701.114538] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2701.114538] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2701.114538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2701.114538] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2701.114538] Stack:
>[ 2701.114538]  ffff8800188f0948 ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948
>[ 2701.114538]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 2701.114538]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 2701.114538] Call Trace:
>[ 2701.114538]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 2701.114538]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2701.114538]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2701.114538]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2701.114538]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2701.114538]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2701.114538]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2701.114538]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2701.114538]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2701.114538]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2701.114538]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2701.114538] Code: 5c 5d c3 90 66 66 66 66 90 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 a1 4d 97 ff 48 89 df e8 59 82 97 ff <5b> 65 ff 0c 25 60 c9 00 00 5d c3 66 66 66 66 66 2e 0f 1f 84 00 
>[ 2729.114281] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2729.114281] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2729.114281] irq event stamp: 561370322
>[ 2729.114281] hardirqs last  enabled at (561370321): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2729.114281] hardirqs last disabled at (561370322): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2729.114281] softirqs last  enabled at (561370102): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2729.114281] softirqs last disabled at (561370097): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2729.114281] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2729.114281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2729.114281] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2729.114281] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2729.114281] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 2729.114281] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2729.114281] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 2729.114281] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 2729.114281] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2729.114281] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 2729.114281] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2729.114281] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2729.114281] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2729.114281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2729.114281] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2729.114281] Stack:
>[ 2729.114281]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 2729.114281]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 2729.114281]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 2729.114281] Call Trace:
>[ 2729.114281]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2729.114281]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 2729.114281]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2729.114281]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2729.114281]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2729.114281]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2729.114281]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2729.114281]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2729.114281]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2729.114281]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2729.114281]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2729.114281] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2730.736034] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=2600067 jiffies, g=9748, c=9747, q=1)
>[ 2730.736035] INFO: Stall ended before state dump start
>[ 2757.114025] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2757.114025] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2757.114025] irq event stamp: 567469922
>[ 2757.114025] hardirqs last  enabled at (567469921): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2757.114025] hardirqs last disabled at (567469922): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2757.114025] softirqs last  enabled at (567469710): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2757.114025] softirqs last disabled at (567469705): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2757.114025] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2757.114025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2757.114025] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2757.114025] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2757.114025] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 2757.114025] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 2757.114025] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 2757.114025] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 2757.114025] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2757.114025] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2757.114025] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2757.114025] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2757.114025] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2757.114025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2757.114025] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2757.114025] Stack:
>[ 2757.114025]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 2757.114025]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 2757.114025]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 2757.114025] Call Trace:
>[ 2757.114025]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 2757.114025]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 2757.114025]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 2757.114025]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2757.114025]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2757.114025]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2757.114025]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2757.114025]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2757.114025]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2757.114025]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2757.114025]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2757.114025]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2757.114025]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2757.114025] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2785.114768] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2785.114768] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2785.114768] irq event stamp: 573423942
>[ 2785.114768] hardirqs last  enabled at (573423941): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2785.114768] hardirqs last disabled at (573423942): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2785.114768] softirqs last  enabled at (573423754): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2785.114768] softirqs last disabled at (573423749): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2785.114768] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2785.114768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2785.114768] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2785.114768] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2785.114768] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 2785.114768] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 2785.114768] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 2785.114768] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2785.114768] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 2785.114768] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 2785.114768] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2785.114768] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2785.114768] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2785.114768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2785.114768] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2785.114768] Stack:
>[ 2785.114768]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 2785.114768]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 2785.114768]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2785.114768] Call Trace:
>[ 2785.114768]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 2785.114768]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2785.114768]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2785.114768]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2785.114768]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2785.114768]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2785.114768]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2785.114768]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2785.114768]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2785.114768]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2785.114768] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2813.114511] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2813.114511] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2813.114511] irq event stamp: 579493536
>[ 2813.114511] hardirqs last  enabled at (579493535): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 2813.114511] hardirqs last disabled at (579493536): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2813.114511] softirqs last  enabled at (579493312): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2813.114511] softirqs last disabled at (579493307): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2813.114511] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2813.114511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2813.114511] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2813.114511] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 2813.114511] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 2813.114511] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 2813.114511] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 2813.114511] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2813.114511] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 2813.114511] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 2813.114511] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2813.114511] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2813.114511] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2813.114511] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2813.114511] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2813.114511] Stack:
>[ 2813.114511]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 2813.114511]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 2813.114511]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 2813.114511] Call Trace:
>[ 2813.114511]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 2813.114511]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 2813.114511]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2813.114511]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2813.114511]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2813.114511]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2813.114511]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2813.114511]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2813.114511]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2813.114511]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2813.114511]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2813.114511] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 2841.114255] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2841.114255] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2841.114255] irq event stamp: 585644172
>[ 2841.114255] hardirqs last  enabled at (585644171): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2841.114255] hardirqs last disabled at (585644172): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2841.114255] softirqs last  enabled at (585643968): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2841.114255] softirqs last disabled at (585643963): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2841.114255] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2841.114255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2841.114255] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2841.114255] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2841.114255] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 2841.114255] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 2841.114255] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 2841.114255] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2841.114255] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2841.114255] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 2841.114255] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2841.114255] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2841.114255] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2841.114255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2841.114255] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2841.114255] Stack:
>[ 2841.114255]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 2841.114255]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 2841.114255]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2841.114255] Call Trace:
>[ 2841.114255]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 2841.114255]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 2841.114255]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2841.114255]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2841.114255]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2841.114255]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2841.114255]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2841.114255]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2841.114255]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2841.114255]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2841.114255] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2869.114998] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2869.114998] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2869.114998] irq event stamp: 591729484
>[ 2869.114998] hardirqs last  enabled at (591729483): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2869.114998] hardirqs last disabled at (591729484): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2869.114998] softirqs last  enabled at (591729258): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2869.114998] softirqs last disabled at (591729253): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2869.114998] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2869.114998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2869.114998] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2869.114998] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2869.114998] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 2869.114998] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 2869.114998] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 2869.114998] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2869.114998] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2869.114998] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 2869.114998] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2869.114998] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2869.114998] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2869.114998] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2869.114998] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2869.114998] Stack:
>[ 2869.114998]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 2869.114998]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 2869.114998]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2869.114998] Call Trace:
>[ 2869.114998]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 2869.114998]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 2869.114998]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2869.114998]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2869.114998]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2869.114998]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2869.114998]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2869.114998]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2869.114998]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2869.114998]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2869.114998] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2897.114741] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2897.114741] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2897.114741] irq event stamp: 597688166
>[ 2897.114741] hardirqs last  enabled at (597688165): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 2897.114741] hardirqs last disabled at (597688166): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2897.114741] softirqs last  enabled at (597687994): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2897.114741] softirqs last disabled at (597687989): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2897.114741] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2897.114741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2897.114741] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2897.114741] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 2897.114741] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 2897.114741] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 2897.114741] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 2897.114741] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 2897.114741] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2897.114741] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 2897.114741] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2897.114741] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2897.114741] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2897.114741] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2897.114741] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2897.114741] Stack:
>[ 2897.114741]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 2897.114741]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 2897.114741]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 2897.114741] Call Trace:
>[ 2897.114741]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 2897.114741]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 2897.114741]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 2897.114741]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 2897.114741]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2897.114741]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2897.114741]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2897.114741]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2897.114741]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2897.114741]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2897.114741]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2897.114741]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2897.114741] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 2925.114485] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2925.114485] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2925.114485] irq event stamp: 603518234
>[ 2925.114485] hardirqs last  enabled at (603518233): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2925.114485] hardirqs last disabled at (603518234): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2925.114485] softirqs last  enabled at (603518010): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2925.114485] softirqs last disabled at (603518005): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2925.114485] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2925.114485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2925.114485] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2925.114485] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2925.114485] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 2925.114485] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 2925.114485] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 2925.114485] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2925.114485] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2925.114485] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 2925.114485] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2925.114485] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2925.114485] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2925.114485] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2925.114485] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2925.114485] Stack:
>[ 2925.114485]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 2925.114485]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 2925.114485]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2925.114485] Call Trace:
>[ 2925.114485]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 2925.114485]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 2925.114485]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2925.114485]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2925.114485]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2925.114485]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2925.114485]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2925.114485]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2925.114485]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2925.114485]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2925.114485] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 2925.711394] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=2795072 jiffies, g=9748, c=9747, q=1)
>[ 2925.711394] INFO: Stall ended before state dump start
>[ 2953.114228] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 2953.114228] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2953.114228] irq event stamp: 609473324
>[ 2953.114228] hardirqs last  enabled at (609473323): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 2953.114228] hardirqs last disabled at (609473324): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2953.114228] softirqs last  enabled at (609473098): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2953.114228] softirqs last disabled at (609473093): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2953.114228] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2953.114228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2953.114228] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2953.114228] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 2953.114228] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 2953.114228] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 2953.114228] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 2953.114228] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 2953.114228] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2953.114228] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 2953.114228] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2953.114228] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2953.114228] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2953.114228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2953.114228] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2953.114228] Stack:
>[ 2953.114228]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 2953.114228]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2953.114228]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 2953.114228] Call Trace:
>[ 2953.114228]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 2953.114228]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2953.114228]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2953.114228]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2953.114228]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2953.114228]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2953.114228]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2953.114228]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2953.114228]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2953.114228] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 2981.114971] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 2981.114971] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 2981.114971] irq event stamp: 615527062
>[ 2981.114971] hardirqs last  enabled at (615527061): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 2981.114971] hardirqs last disabled at (615527062): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 2981.114971] softirqs last  enabled at (615526834): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 2981.114971] softirqs last disabled at (615526829): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 2981.114971] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 2981.114971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 2981.114971] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 2981.114971] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 2981.114971] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 2981.114971] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 2981.114971] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 2981.114971] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 2981.114971] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 2981.114971] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 2981.114971] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 2981.114971] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 2981.114971] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 2981.114971] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 2981.114971] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 2981.114971] Stack:
>[ 2981.114971]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 2981.114971]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 2981.114971]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 2981.114971] Call Trace:
>[ 2981.114971]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 2981.114971]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 2981.114971]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 2981.114971]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 2981.114971]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 2981.114971]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 2981.114971]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 2981.114971]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2981.114971]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 2981.114971]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 2981.114971] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3009.114715] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3009.114715] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3009.114715] irq event stamp: 621470210
>[ 3009.114715] hardirqs last  enabled at (621470209): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 3009.114715] hardirqs last disabled at (621470210): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3009.114715] softirqs last  enabled at (621469988): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3009.114715] softirqs last disabled at (621469983): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3009.114715] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3009.114715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3009.114715] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3009.114715] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 3009.114715] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 3009.114715] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 3009.114715] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 3009.114715] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 3009.114715] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 3009.114715] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 3009.114715] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3009.114715] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3009.114715] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3009.114715] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3009.114715] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3009.114715] Stack:
>[ 3009.114715]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 3009.114715]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 3009.114715]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 3009.114715] Call Trace:
>[ 3009.114715]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 3009.114715]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 3009.114715]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 3009.114715]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 3009.114715]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3009.114715]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3009.114715]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3009.114715]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3009.114715]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3009.114715]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3009.114715]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3009.114715]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3009.114715]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3009.114715]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3009.114715] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 3037.114458] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3037.114458] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3037.114458] irq event stamp: 627572090
>[ 3037.114458] hardirqs last  enabled at (627572089): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3037.114458] hardirqs last disabled at (627572090): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3037.114458] softirqs last  enabled at (627571868): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3037.114458] softirqs last disabled at (627571863): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3037.114458] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3037.114458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3037.114458] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3037.114458] RIP: 0010:[<ffffffff81595087>]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 3037.114458] RSP: 0018:ffff8800184dbca0  EFLAGS: 00000246
>[ 3037.114458] RAX: 0000000000000000 RBX: ffff8800184dbc40 RCX: 0000000000005b40
>[ 3037.114458] RDX: 000000000000a999 RSI: 0000000000000001 RDI: ffffffff81cdd240
>[ 3037.114458] RBP: ffff8800184dbcb0 R08: 0000000000000001 R09: 0000000000000000
>[ 3037.114458] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844a5f0
>[ 3037.114458] R13: ffffffff810b6b7f R14: ffff8800184dbc20 R15: ffffffff810ce35d
>[ 3037.114458] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3037.114458] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3037.114458] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3037.114458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3037.114458] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3037.114458] Stack:
>[ 3037.114458]  ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a
>[ 3037.114458]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[ 3037.114458]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 3037.114458] Call Trace:
>[ 3037.114458]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3037.114458]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3037.114458]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3037.114458]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3037.114458]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3037.114458]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3037.114458]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3037.114458]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3037.114458]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3037.114458]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3037.114458] Code: c7 43 3c 00 00 00 00 48 c7 c7 40 d2 cd 81 e8 81 a5 1c 00 48 8b bb 48 01 00 00 e8 35 fe ff ff 48 c7 c7 40 d2 cd 81 e8 e9 a7 1c 00 <5b> 41 5c 5d c3 0f 1f 40 00 48 8d 7b 50 48 c7 c6 20 cf cd 81 e8 
>[ 3065.114201] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3065.114201] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3065.114201] irq event stamp: 633865050
>[ 3065.114201] hardirqs last  enabled at (633865049): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3065.114201] hardirqs last disabled at (633865050): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3065.114201] softirqs last  enabled at (633864828): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3065.114201] softirqs last disabled at (633864823): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3065.114201] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3065.114201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3065.114201] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3065.114201] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3065.114201] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 3065.114201] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3065.114201] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 3065.114201] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 3065.114201] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3065.114201] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 3065.114201] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3065.114201] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3065.114201] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3065.114201] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3065.114201] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3065.114201] Stack:
>[ 3065.114201]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 3065.114201]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 3065.114201]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 3065.114201] Call Trace:
>[ 3065.114201]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 3065.114201]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 3065.114201]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3065.114201]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3065.114201]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3065.114201]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3065.114201]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3065.114201]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3065.114201]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3065.114201]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3065.114201]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3065.114201] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3093.114945] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3093.114945] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3093.114945] irq event stamp: 639924688
>[ 3093.114945] hardirqs last  enabled at (639924687): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3093.114945] hardirqs last disabled at (639924688): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3093.114945] softirqs last  enabled at (639924486): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3093.114945] softirqs last disabled at (639924481): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3093.114945] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3093.114945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3093.114945] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3093.114945] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3093.114945] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 3093.114945] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 3093.114945] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 3093.114945] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 3093.114945] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3093.114945] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 3093.114945] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3093.114945] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3093.114945] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3093.114945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3093.114945] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3093.114945] Stack:
>[ 3093.114945]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 3093.114945]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3093.114945]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 3093.114945] Call Trace:
>[ 3093.114945]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 3093.114945]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3093.114945]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3093.114945]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3093.114945]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3093.114945]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3093.114945]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3093.114945]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3093.114945]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3093.114945] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3120.686753] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=2990077 jiffies, g=9748, c=9747, q=1)
>[ 3120.686753] INFO: Stall ended before state dump start
>[ 3145.114040] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3145.114040] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3145.114040] irq event stamp: 651183154
>[ 3145.114040] hardirqs last  enabled at (651183153): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3145.114040] hardirqs last disabled at (651183154): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3145.114040] softirqs last  enabled at (651182946): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3145.114040] softirqs last disabled at (651182941): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3145.114040] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3145.114040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3145.114040] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3145.114040] RIP: 0010:[<ffffffff8159e7e0>]  [<ffffffff8159e7e0>] md_check_recovery+0x0/0x4f0
>[ 3145.114040] RSP: 0018:ffff8800184dbce0  EFLAGS: 00000292
>[ 3145.114040] RAX: ffff8800198350e0 RBX: ffff88001844a5f0 RCX: 0000000000000000
>[ 3145.114040] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800188f0948
>[ 3145.114040] RBP: ffff8800184dbdd8 R08: 0000000000000000 R09: 0000000000000000
>[ 3145.114040] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844a5f0
>[ 3145.114040] R13: ffffffff810b6b7f R14: ffff8800184dbc60 R15: ffffffff810ce35d
>[ 3145.114040] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3145.114040] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3145.114040] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3145.114040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3145.114040] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3145.114040] Stack:
>[ 3145.114040]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 3145.114040]  ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b ffff880019835068
>[ 3145.114040]  0000000000000001 0000000000000001 0000000000000001 0000000000000000
>[ 3145.114040] Call Trace:
>[ 3145.114040]  [<ffffffffa021f979>] ? raid1d+0x49/0xe50 [raid1]
>[ 3145.114040]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3145.114040]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3145.114040]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3145.114040]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3145.114040]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3145.114040]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3145.114040]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3145.114040]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3145.114040] Code: 35 75 ab 81 4c 89 e7 e8 af 37 ff ff 85 c0 0f 84 47 ff ff ff 4c 8d a3 b8 01 00 00 eb b1 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 55 41 54 53 44 8b 57 30 48 89 fb 
>[ 3173.114783] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3173.114783] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3173.114783] irq event stamp: 657188284
>[ 3173.114783] hardirqs last  enabled at (657188283): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 3173.114783] hardirqs last disabled at (657188284): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3173.114783] softirqs last  enabled at (657188080): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3173.114783] softirqs last disabled at (657188075): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3173.114783] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3173.114783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3173.114783] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3173.114783] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 3173.114783] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 3173.114783] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 3173.114783] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 3173.114783] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3173.114783] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 3173.114783] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3173.114783] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3173.114783] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3173.114783] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3173.114783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3173.114783] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3173.114783] Stack:
>[ 3173.114783]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 3173.114783]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 3173.114783]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 3173.114783] Call Trace:
>[ 3173.114783]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 3173.114783]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 3173.114783]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3173.114783]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3173.114783]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3173.114783]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3173.114783]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3173.114783]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3173.114783]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3173.114783]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3173.114783]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3173.114783] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 3201.114526] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3201.114526] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3201.114526] irq event stamp: 663114358
>[ 3201.114526] hardirqs last  enabled at (663114357): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3201.114526] hardirqs last disabled at (663114358): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3201.114526] softirqs last  enabled at (663114148): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3201.114526] softirqs last disabled at (663114143): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3201.114526] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3201.114526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3201.114526] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3201.114526] RIP: 0010:[<ffffffffa021ffd5>]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 3201.114526] RSP: 0018:ffff8800184dbce8  EFLAGS: 00000246
>[ 3201.114526] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000000
>[ 3201.114526] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 3201.114526] RBP: ffff8800184dbdd8 R08: 0000000000000000 R09: 0000000000000000
>[ 3201.114526] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844a5f0
>[ 3201.114526] R13: ffffffff810b6b7f R14: ffff8800184dbc60 R15: ffffffff810ce35d
>[ 3201.114526] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3201.114526] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3201.114526] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3201.114526] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3201.114526] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3201.114526] Stack:
>[ 3201.114526]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3201.114526]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 3201.114526]  0000000000000001 0000000000000001 0000000000000000 ffff8800184da000
>[ 3201.114526] Call Trace:
>[ 3201.114526]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3201.114526]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3201.114526]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3201.114526]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3201.114526]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3201.114526]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3201.114526]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3201.114526]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3201.114526] Code: a8 02 75 83 48 83 c3 01 41 39 dc 7f c9 3e 41 ff 4f c0 74 48 66 90 e9 3b fb ff ff 4c 89 e6 48 89 df 0f 1f 44 00 00 e8 1b f9 53 e1 <48> 8d bd 78 ff ff ff e8 df 88 13 e1 48 8b 45 d0 65 48 33 04 25 
>[ 3229.114270] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3229.114270] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3229.114270] irq event stamp: 669106900
>[ 3229.114270] hardirqs last  enabled at (669106899): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3229.114270] hardirqs last disabled at (669106900): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3229.114270] softirqs last  enabled at (669106672): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3229.114270] softirqs last disabled at (669106667): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3229.114270] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3229.114270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3229.114270] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3229.114270] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3229.114270] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 3229.114270] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3229.114270] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 3229.114270] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3229.114270] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3229.114270] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 3229.114270] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3229.114270] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3229.114270] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3229.114270] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3229.114270] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3229.114270] Stack:
>[ 3229.114270]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 3229.114270]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 3229.114270]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3229.114270] Call Trace:
>[ 3229.114270]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 3229.114270]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3229.114270]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3229.114270]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3229.114270]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3229.114270]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3229.114270]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3229.114270]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3229.114270]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3229.114270]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3229.114270] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3257.114013] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3257.114013] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3257.114013] irq event stamp: 675322144
>[ 3257.114013] hardirqs last  enabled at (675322143): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3257.114013] hardirqs last disabled at (675322144): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3257.114013] softirqs last  enabled at (675321920): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3257.114013] softirqs last disabled at (675321915): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3257.114013] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3257.114013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3257.114013] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3257.114013] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3257.114013] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 3257.114013] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 3257.114013] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 3257.114013] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 3257.114013] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3257.114013] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3257.114013] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3257.114013] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3257.114013] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3257.114013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3257.114013] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3257.114013] Stack:
>[ 3257.114013]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 3257.114013]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 3257.114013]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 3257.114013] Call Trace:
>[ 3257.114013]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 3257.114013]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 3257.114013]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 3257.114013]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3257.114013]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3257.114013]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3257.114013]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3257.114013]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3257.114013]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3257.114013]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3257.114013]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3257.114013]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3257.114013]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3257.114013] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3285.114756] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3285.114756] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3285.114756] irq event stamp: 681411114
>[ 3285.114756] hardirqs last  enabled at (681411113): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3285.114756] hardirqs last disabled at (681411114): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3285.114756] softirqs last  enabled at (681410890): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3285.114756] softirqs last disabled at (681410885): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3285.114756] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3285.114756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3285.114756] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3285.114756] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3285.114756] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 3285.114756] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 3285.114756] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 3285.114756] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3285.114756] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3285.114756] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 3285.114756] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3285.114756] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3285.114756] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3285.114756] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3285.114756] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3285.114756] Stack:
>[ 3285.114756]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 3285.114756]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 3285.114756]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3285.114756] Call Trace:
>[ 3285.114756]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 3285.114756]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 3285.114756]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3285.114756]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3285.114756]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3285.114756]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3285.114756]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3285.114756]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3285.114756]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3285.114756]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3285.114756] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3313.114500] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3313.114500] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3313.114500] irq event stamp: 687398238
>[ 3313.114500] hardirqs last  enabled at (687398237): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 3313.114500] hardirqs last disabled at (687398238): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3313.114500] softirqs last  enabled at (687398024): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3313.114500] softirqs last disabled at (687398019): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3313.114500] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3313.114500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3313.114500] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3313.114500] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 3313.114500] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 3313.114500] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 3313.114500] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 3313.114500] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3313.114500] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 3313.114500] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3313.114500] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3313.114500] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3313.114500] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3313.114500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3313.114500] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3313.114500] Stack:
>[ 3313.114500]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 3313.114500]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 3313.114500]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 3313.114500] Call Trace:
>[ 3313.114500]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 3313.114500]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 3313.114500]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3313.114500]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3313.114500]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3313.114500]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3313.114500]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3313.114500]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3313.114500]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3313.114500]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3313.114500]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3313.114500] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 3315.662086] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=3185082 jiffies, g=9748, c=9747, q=1)
>[ 3315.662112] INFO: Stall ended before state dump start
>[ 3341.114243] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3341.114243] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3341.114243] irq event stamp: 693429064
>[ 3341.114243] hardirqs last  enabled at (693429063): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 3341.114243] hardirqs last disabled at (693429064): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3341.114243] softirqs last  enabled at (693428852): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3341.114243] softirqs last disabled at (693428847): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3341.114243] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3341.114243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3341.114243] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3341.114243] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 3341.114243] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 3341.114243] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 3341.114243] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 3341.114243] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 3341.114243] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3341.114243] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 3341.114243] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3341.114243] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3341.114243] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3341.114243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3341.114243] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3341.114243] Stack:
>[ 3341.114243]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 3341.114243]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 3341.114243]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 3341.114243] Call Trace:
>[ 3341.114243]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 3341.114243]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 3341.114243]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3341.114243]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3341.114243]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3341.114243]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3341.114243]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3341.114243]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3341.114243]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3341.114243]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3341.114243]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3341.114243]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3341.114243] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 3369.114919] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3369.114986] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3369.114986] irq event stamp: 699432086
>[ 3369.114986] hardirqs last  enabled at (699432085): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3369.114986] hardirqs last disabled at (699432086): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3369.114986] softirqs last  enabled at (699431912): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3369.114986] softirqs last disabled at (699431907): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3369.114986] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3369.114986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3369.114986] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3369.114986] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3369.114986] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 3369.114986] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3369.114986] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 3369.114986] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3369.114986] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3369.114986] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 3369.114986] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3369.114986] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3369.114986] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3369.114986] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3369.114986] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3369.114986] Stack:
>[ 3369.114986]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 3369.114986]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 3369.114986]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3369.114986] Call Trace:
>[ 3369.114986]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 3369.114986]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3369.114986]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3369.114986]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3369.114986]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3369.114986]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3369.114986]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3369.114986]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3369.114986]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3369.114986]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3369.114986] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3397.114730] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3397.114730] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3397.114730] irq event stamp: 705457684
>[ 3397.114730] hardirqs last  enabled at (705457683): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3397.114730] hardirqs last disabled at (705457684): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3397.114730] softirqs last  enabled at (705457460): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3397.114730] softirqs last disabled at (705457455): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3397.114730] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3397.114730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3397.114730] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3397.114730] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3397.114730] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 3397.114730] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3397.114730] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 3397.114730] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3397.114730] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3397.114730] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 3397.114730] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3397.114730] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3397.114730] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3397.114730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3397.114730] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3397.114730] Stack:
>[ 3397.114730]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 3397.114730]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 3397.114730]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3397.114730] Call Trace:
>[ 3397.114730]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 3397.114730]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3397.114730]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3397.114730]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3397.114730]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3397.114730]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3397.114730]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3397.114730]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3397.114730]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3397.114730]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3397.114730] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3425.114473] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3425.114473] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3425.114473] irq event stamp: 711503828
>[ 3425.114473] hardirqs last  enabled at (711503827): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3425.114473] hardirqs last disabled at (711503828): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3425.114473] softirqs last  enabled at (711503616): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3425.114473] softirqs last disabled at (711503611): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3425.114473] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3425.114473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3425.114473] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3425.114473] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3425.114473] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 3425.114473] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 3425.114473] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 3425.114473] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 3425.114473] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3425.114473] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3425.114473] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3425.114473] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3425.114473] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3425.114473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3425.114473] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3425.114473] Stack:
>[ 3425.114473]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 3425.114473]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 3425.114473]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 3425.114473] Call Trace:
>[ 3425.114473]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 3425.114473]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 3425.114473]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 3425.114473]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3425.114473]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3425.114473]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3425.114473]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3425.114473]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3425.114473]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3425.114473]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3425.114473]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3425.114473]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3425.114473]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3425.114473] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3453.114216] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3453.114216] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3453.114216] irq event stamp: 717672492
>[ 3453.114216] hardirqs last  enabled at (717672491): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3453.114216] hardirqs last disabled at (717672492): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3453.114216] softirqs last  enabled at (717672270): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3453.114216] softirqs last disabled at (717672265): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3453.114216] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3453.114216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3453.114216] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3453.114216] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3453.114216] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 3453.114216] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 3453.114216] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 3453.114216] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 3453.114216] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3453.114216] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 3453.114216] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3453.114216] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3453.114216] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3453.114216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3453.114216] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3453.114216] Stack:
>[ 3453.114216]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 3453.114216]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3453.114216]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 3453.114216] Call Trace:
>[ 3453.114216]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 3453.114216]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3453.114216]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3453.114216]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3453.114216]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3453.114216]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3453.114216]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3453.114216]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3453.114216]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3453.114216] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3481.114955] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3481.114960] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3481.114960] irq event stamp: 723771292
>[ 3481.114960] hardirqs last  enabled at (723771291): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3481.114960] hardirqs last disabled at (723771292): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3481.114960] softirqs last  enabled at (723771110): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3481.114960] softirqs last disabled at (723771105): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3481.114960] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3481.114960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3481.114960] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3481.114960] RIP: 0010:[<ffffffff813588d4>]  [<ffffffff813588d4>] blk_finish_plug+0x14/0x40
>[ 3481.114960] RSP: 0018:ffff8800184dbcd0  EFLAGS: 00000282
>[ 3481.114960] RAX: ffff8800184dbd58 RBX: ffff88001844a5f0 RCX: 0000000000000000
>[ 3481.114960] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800184dbd50
>[ 3481.114960] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 3481.114960] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8800184dbc60
>[ 3481.114960] R13: ffffffff810ce35d R14: ffff88001844ad90 R15: 0000000000000002
>[ 3481.114960] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3481.114960] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3481.114960] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3481.114960] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3481.114960] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3481.114960] Stack:
>[ 3481.114960]  ffff880019835098 ffff8800184dbdd8 ffffffffa021ffe1 ffff8800198350e0
>[ 3481.114960]  ffff880019835068 7fffffffffffffff ffff8800195c7450 ffff8800184dbe40
>[ 3481.114960]  ffffffff81390d9b ffff880019835068 0000000000000001 0000000000000001
>[ 3481.114960] Call Trace:
>[ 3481.114960]  [<ffffffffa021ffe1>] raid1d+0x6b1/0xe50 [raid1]
>[ 3481.114960]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3481.114960]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3481.114960]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3481.114960]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3481.114960]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3481.114960]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3481.114960]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3481.114960]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3481.114960] Code: ff 48 c7 c7 20 0a c5 81 e8 6a 65 d7 ff 85 c0 0f 85 22 fe ff ff eb 96 66 66 66 66 90 55 31 f6 48 89 e5 53 48 89 fb e8 1c f9 ff ff <65> 48 8b 04 25 80 c9 00 00 48 39 98 38 12 00 00 74 0a 5b 5d c3 
>[ 3509.114703] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3509.114703] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3509.114703] irq event stamp: 729762788
>[ 3509.114703] hardirqs last  enabled at (729762787): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3509.114703] hardirqs last disabled at (729762788): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3509.114703] softirqs last  enabled at (729762574): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3509.114703] softirqs last disabled at (729762569): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3509.114703] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3509.114703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3509.114703] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3509.114703] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3509.114703] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 3509.114703] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 3509.114703] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 3509.114703] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 3509.114703] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3509.114703] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3509.114703] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3509.114703] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3509.114703] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3509.114703] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3509.114703] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3509.114703] Stack:
>[ 3509.114703]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 3509.114703]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 3509.114703]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 3509.114703] Call Trace:
>[ 3509.114703]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 3509.114703]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 3509.114703]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 3509.114703]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3509.114703]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3509.114703]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3509.114703]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3509.114703]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3509.114703]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3509.114703]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3509.114703]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3509.114703]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3509.114703]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3509.114703] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3510.637472] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=3380087 jiffies, g=9748, c=9747, q=1)
>[ 3510.637472] INFO: Stall ended before state dump start
>[ 3537.114446] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3537.114446] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3537.114446] irq event stamp: 736011410
>[ 3537.114446] hardirqs last  enabled at (736011409): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 3537.114446] hardirqs last disabled at (736011410): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3537.114446] softirqs last  enabled at (736011204): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3537.114446] softirqs last disabled at (736011199): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3537.114446] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3537.114446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3537.114446] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3537.114446] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 3537.114446] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 3537.114446] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 3537.114446] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 3537.114446] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3537.114446] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 3537.114446] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3537.114446] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3537.114446] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3537.114446] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3537.114446] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3537.114446] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3537.114446] Stack:
>[ 3537.114446]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 3537.114446]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 3537.114446]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 3537.114446] Call Trace:
>[ 3537.114446]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 3537.114446]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 3537.114446]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3537.114446]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3537.114446]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3537.114446]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3537.114446]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3537.114446]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3537.114446]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3537.114446]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3537.114446]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3537.114446] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 3565.114190] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3565.114190] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3565.114190] irq event stamp: 741986764
>[ 3565.114190] hardirqs last  enabled at (741986763): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 3565.114190] hardirqs last disabled at (741986764): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3565.114190] softirqs last  enabled at (741986544): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3565.114190] softirqs last disabled at (741986539): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3565.114190] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3565.114190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3565.114190] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3565.114190] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 3565.114190] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 3565.114190] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 3565.114190] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 3565.114190] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3565.114190] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 3565.114190] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3565.114190] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3565.114190] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3565.114190] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3565.114190] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3565.114190] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3565.114190] Stack:
>[ 3565.114190]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 3565.114190]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 3565.114190]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 3565.114190] Call Trace:
>[ 3565.114190]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 3565.114190]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 3565.114190]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3565.114190]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3565.114190]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3565.114190]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3565.114190]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3565.114190]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3565.114190]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3565.114190]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3565.114190]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3565.114190] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 3593.114903] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3593.114933] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3593.114933] irq event stamp: 747975416
>[ 3593.114933] hardirqs last  enabled at (747975415): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 3593.114933] hardirqs last disabled at (747975416): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3593.114933] softirqs last  enabled at (747975266): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3593.114933] softirqs last disabled at (747975261): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3593.114933] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3593.114933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3593.114933] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3593.114933] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 3593.114933] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 3593.114933] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 3593.114933] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 3593.114933] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 3593.114933] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3593.114933] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 3593.114933] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3593.114933] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3593.114933] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3593.114933] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3593.114933] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3593.114933] Stack:
>[ 3593.114933]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 3593.114933]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 3593.114933]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 3593.114933] Call Trace:
>[ 3593.114933]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 3593.114933]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 3593.114933]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3593.114933]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3593.114933]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3593.114933]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3593.114933]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3593.114933]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3593.114933]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3593.114933]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3593.114933]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3593.114933]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3593.114933] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 3621.114676] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3621.114676] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3621.114676] irq event stamp: 754063392
>[ 3621.114676] hardirqs last  enabled at (754063391): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 3621.114676] hardirqs last disabled at (754063392): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3621.114676] softirqs last  enabled at (754063188): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3621.114676] softirqs last disabled at (754063183): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3621.114676] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3621.114676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3621.114676] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3621.114676] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 3621.114676] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 3621.114676] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 3621.114676] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 3621.114676] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3621.114676] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 3621.114676] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3621.114676] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3621.114676] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3621.114676] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3621.114676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3621.114676] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3621.114676] Stack:
>[ 3621.114676]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 3621.114676]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 3621.114676]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 3621.114676] Call Trace:
>[ 3621.114676]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 3621.114676]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 3621.114676]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3621.114676]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3621.114676]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3621.114676]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3621.114676]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3621.114676]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3621.114676]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3621.114676]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3621.114676]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3621.114676] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 3649.114420] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3649.114420] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3649.114420] irq event stamp: 760066300
>[ 3649.114420] hardirqs last  enabled at (760066299): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3649.114420] hardirqs last disabled at (760066300): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3649.114420] softirqs last  enabled at (760066102): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3649.114420] softirqs last disabled at (760066097): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3649.114420] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3649.114420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3649.114420] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3649.114420] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3649.114420] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 3649.114420] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 3649.114420] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 3649.114420] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3649.114420] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3649.114420] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 3649.114420] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3649.114420] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3649.114420] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3649.114420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3649.114420] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3649.114420] Stack:
>[ 3649.114420]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 3649.114420]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 3649.114420]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3649.114420] Call Trace:
>[ 3649.114420]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 3649.114420]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 3649.114420]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3649.114420]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3649.114420]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3649.114420]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3649.114420]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3649.114420]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3649.114420]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3649.114420]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3649.114420] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3677.114163] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3677.114163] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3677.114163] irq event stamp: 766078154
>[ 3677.114163] hardirqs last  enabled at (766078153): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3677.114163] hardirqs last disabled at (766078154): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3677.114163] softirqs last  enabled at (766077938): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3677.114163] softirqs last disabled at (766077933): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3677.114163] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3677.114163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3677.114163] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3677.114163] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3677.114163] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 3677.114163] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3677.114163] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 3677.114163] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3677.114163] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3677.114163] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 3677.114163] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3677.114163] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3677.114163] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3677.114163] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3677.114163] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3677.114163] Stack:
>[ 3677.114163]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 3677.114163]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 3677.114163]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3677.114163] Call Trace:
>[ 3677.114163]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 3677.114163]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3677.114163]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3677.114163]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3677.114163]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3677.114163]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3677.114163]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3677.114163]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3677.114163]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3677.114163]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3677.114163] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3705.114907] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3705.114907] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3705.114907] irq event stamp: 772207902
>[ 3705.114907] hardirqs last  enabled at (772207901): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3705.114907] hardirqs last disabled at (772207902): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3705.114907] softirqs last  enabled at (772207702): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3705.114907] softirqs last disabled at (772207697): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3705.114907] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3705.114907] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3705.114907] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3705.114907] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3705.114907] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 3705.114907] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 3705.114907] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 3705.114907] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3705.114907] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3705.114907] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 3705.114907] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3705.114907] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3705.114907] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3705.114907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3705.114907] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3705.114907] Stack:
>[ 3705.114907]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 3705.114907]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 3705.114907]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3705.114907] Call Trace:
>[ 3705.114907]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 3705.114907]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 3705.114907]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3705.114907]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3705.114907]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3705.114907]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3705.114907]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3705.114907]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3705.114907]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3705.114907]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3705.114907] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3705.612831] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=3575092 jiffies, g=9748, c=9747, q=1)
>[ 3705.612831] INFO: Stall ended before state dump start
>[ 3733.114650] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3733.114650] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3733.114650] irq event stamp: 778295250
>[ 3733.114650] hardirqs last  enabled at (778295249): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3733.114650] hardirqs last disabled at (778295250): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3733.114650] softirqs last  enabled at (778295088): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3733.114650] softirqs last disabled at (778295083): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3733.114650] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3733.114650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3733.114650] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3733.114650] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3733.114650] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 3733.114650] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 3733.114650] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 3733.114650] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3733.114650] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3733.114650] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 3733.114650] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3733.114650] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3733.114650] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3733.114650] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3733.114650] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3733.114650] Stack:
>[ 3733.114650]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 3733.114650]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 3733.114650]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3733.114650] Call Trace:
>[ 3733.114650]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 3733.114650]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 3733.114650]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3733.114650]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3733.114650]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3733.114650]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3733.114650]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3733.114650]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3733.114650]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3733.114650]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3733.114650] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3761.114393] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3761.114393] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3761.114393] irq event stamp: 784399074
>[ 3761.114393] hardirqs last  enabled at (784399073): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3761.114393] hardirqs last disabled at (784399074): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3761.114393] softirqs last  enabled at (784398864): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3761.114393] softirqs last disabled at (784398859): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3761.114393] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3761.114393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3761.114393] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3761.114393] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3761.114393] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 3761.114393] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 3761.114393] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 3761.114393] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3761.114393] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3761.114393] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 3761.114393] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3761.114393] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3761.114393] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3761.114393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3761.114393] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3761.114393] Stack:
>[ 3761.114393]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 3761.114393]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 3761.114393]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3761.114393] Call Trace:
>[ 3761.114393]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 3761.114393]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 3761.114393]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3761.114393]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3761.114393]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3761.114393]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3761.114393]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3761.114393]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3761.114393]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3761.114393]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3761.114393] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3789.114137] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3789.114137] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3789.114137] irq event stamp: 790468368
>[ 3789.114137] hardirqs last  enabled at (790468367): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 3789.114137] hardirqs last disabled at (790468368): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3789.114137] softirqs last  enabled at (790468172): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3789.114137] softirqs last disabled at (790468167): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3789.114137] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3789.114137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3789.114137] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3789.114137] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 3789.114137] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 3789.114137] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 3789.114137] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 3789.114137] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 3789.114137] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 3789.114137] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 3789.114137] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3789.114137] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3789.114137] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3789.114137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3789.114137] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3789.114137] Stack:
>[ 3789.114137]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 3789.114137]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 3789.114137]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 3789.114137] Call Trace:
>[ 3789.114137]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 3789.114137]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 3789.114137]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 3789.114137]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 3789.114137]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3789.114137]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3789.114137]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3789.114137]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3789.114137]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3789.114137]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3789.114137]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3789.114137]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3789.114137]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3789.114137]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3789.114137] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 3817.114880] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3817.114880] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3817.114880] irq event stamp: 796328338
>[ 3817.114880] hardirqs last  enabled at (796328337): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3817.114880] hardirqs last disabled at (796328338): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3817.114880] softirqs last  enabled at (796328160): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3817.114880] softirqs last disabled at (796328155): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3817.114880] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3817.114880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3817.114880] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3817.114880] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3817.114880] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 3817.114880] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 3817.114880] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 3817.114880] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 3817.114880] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 3817.114880] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 3817.114880] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3817.114880] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3817.114880] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3817.114880] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3817.114880] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3817.114880] Stack:
>[ 3817.114880]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 3817.114880]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3817.114880]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 3817.114880] Call Trace:
>[ 3817.114880]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 3817.114880]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3817.114880]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3817.114880]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3817.114880]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3817.114880]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3817.114880]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3817.114880]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3817.114880]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3817.114880] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3845.114621] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3845.114623] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3845.114623] irq event stamp: 802346148
>[ 3845.114623] hardirqs last  enabled at (802346147): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3845.114623] hardirqs last disabled at (802346148): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3845.114623] softirqs last  enabled at (802345942): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3845.114623] softirqs last disabled at (802345937): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3845.114623] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3845.114623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3845.114623] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3845.114623] RIP: 0010:[<ffffffff8175cef0>]  [<ffffffff8175cef0>] __mutex_unlock_slowpath+0x0/0x1a0
>[ 3845.114623] RSP: 0018:ffff8800184dbc88  EFLAGS: 00000246
>[ 3845.114623] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3845.114623] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff8800188f0bb8
>[ 3845.114623] RBP: ffff8800184dbc90 R08: 0000000000000000 R09: 0000000000000000
>[ 3845.114623] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810d18d9
>[ 3845.114623] R13: ffff8800184dbc28 R14: ffff88001844a5f0 R15: 0000000000000006
>[ 3845.114623] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3845.114623] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3845.114623] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3845.114623] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3845.114623] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3845.114623] Stack:
>[ 3845.114623]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 3845.114623]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 3845.114623]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 3845.114623] Call Trace:
>[ 3845.114623]  [<ffffffff8175d09e>] ? mutex_unlock+0xe/0x10
>[ 3845.114623]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 3845.114623]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3845.114623]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3845.114623]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3845.114623]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3845.114623]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3845.114623]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3845.114623]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3845.114623]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3845.114623]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3845.114623]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3845.114623] Code: 31 c0 e8 c4 79 91 ff e9 a1 fe ff ff 0f b7 53 08 66 39 ca 0f 84 c4 fe ff ff f3 90 0f b7 53 08 66 39 c2 75 f5 e9 b4 fe ff ff 66 90 <66> 66 66 66 90 55 8b 15 5c 17 22 01 48 89 e5 41 55 85 d2 41 54 
>[ 3873.114367] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 3873.114367] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3873.114367] irq event stamp: 808154100
>[ 3873.114367] hardirqs last  enabled at (808154099): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 3873.114367] hardirqs last disabled at (808154100): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3873.114367] softirqs last  enabled at (808153914): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3873.114367] softirqs last disabled at (808153909): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3873.114367] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3873.114367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3873.114367] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3873.114367] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 3873.114367] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 3873.114367] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3873.114367] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 3873.114367] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 3873.114367] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3873.114367] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 3873.114367] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3873.114367] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3873.114367] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3873.114367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3873.114367] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3873.114367] Stack:
>[ 3873.114367]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 3873.114367]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 3873.114367]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 3873.114367] Call Trace:
>[ 3873.114367]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 3873.114367]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3873.114367]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3873.114367]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3873.114367]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3873.114367]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3873.114367]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3873.114367]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3873.114367]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3873.114367]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3873.114367] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 3900.588190] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=3770097 jiffies, g=9748, c=9747, q=1)
>[ 3900.588190] INFO: Stall ended before state dump start
>[ 3925.114462] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3925.114462] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3925.114462] irq event stamp: 819411446
>[ 3925.114462] hardirqs last  enabled at (819411445): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3925.114462] hardirqs last disabled at (819411446): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3925.114462] softirqs last  enabled at (819411234): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3925.114462] softirqs last disabled at (819411229): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3925.114462] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3925.114462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3925.114462] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3925.114462] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3925.114462] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 3925.114462] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 3925.114462] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 3925.114462] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 3925.114462] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3925.114462] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 3925.114462] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3925.114462] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3925.114462] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3925.114462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3925.114462] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3925.114462] Stack:
>[ 3925.114462]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 3925.114462]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 3925.114462]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 3925.114462] Call Trace:
>[ 3925.114462]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 3925.114462]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 3925.114462]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 3925.114462]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3925.114462]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3925.114462]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3925.114462]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3925.114462]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3925.114462]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3925.114462]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3925.114462]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3925.114462]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3925.114462]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3925.114462] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3953.114205] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3953.114205] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3953.114205] irq event stamp: 825559512
>[ 3953.114205] hardirqs last  enabled at (825559511): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 3953.114205] hardirqs last disabled at (825559512): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3953.114205] softirqs last  enabled at (825559290): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3953.114205] softirqs last disabled at (825559285): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3953.114205] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3953.114205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3953.114205] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3953.114205] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 3953.114205] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 3953.114205] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 3953.114205] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 3953.114205] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 3953.114205] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 3953.114205] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 3953.114205] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3953.114205] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3953.114205] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3953.114205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3953.114205] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3953.114205] Stack:
>[ 3953.114205]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 3953.114205]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 3953.114205]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 3953.114205] Call Trace:
>[ 3953.114205]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 3953.114205]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 3953.114205]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3953.114205]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3953.114205]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3953.114205]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3953.114205]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3953.114205]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3953.114205]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3953.114205]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3953.114205]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3953.114205] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 3981.114948] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 3981.114948] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 3981.114948] irq event stamp: 831705138
>[ 3981.114948] hardirqs last  enabled at (831705137): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 3981.114948] hardirqs last disabled at (831705138): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 3981.114948] softirqs last  enabled at (831704916): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 3981.114948] softirqs last disabled at (831704911): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 3981.114948] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 3981.114948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 3981.114948] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 3981.114948] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 3981.114948] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 3981.114948] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 3981.114948] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 3981.114948] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 3981.114948] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 3981.114948] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 3981.114948] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 3981.114948] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 3981.114948] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 3981.114948] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 3981.114948] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 3981.114948] Stack:
>[ 3981.114948]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 3981.114948]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 3981.114948]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 3981.114948] Call Trace:
>[ 3981.114948]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 3981.114948]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 3981.114948]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 3981.114948]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 3981.114948]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 3981.114948]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 3981.114948]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 3981.114948]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 3981.114948]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 3981.114948]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 3981.114948]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 3981.114948]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3981.114948]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 3981.114948]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 3981.114948] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 4009.114692] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4009.114692] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4009.114692] irq event stamp: 837716832
>[ 4009.114692] hardirqs last  enabled at (837716831): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4009.114692] hardirqs last disabled at (837716832): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4009.114692] softirqs last  enabled at (837716620): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4009.114692] softirqs last disabled at (837716615): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4009.114692] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4009.114692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4009.114692] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4009.114692] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4009.114692] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 4009.114692] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 4009.114692] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 4009.114692] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 4009.114692] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4009.114692] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 4009.114692] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4009.114692] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4009.114692] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4009.114692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4009.114692] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4009.114692] Stack:
>[ 4009.114692]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 4009.114692]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 4009.114692]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 4009.114692] Call Trace:
>[ 4009.114692]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4009.114692]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 4009.114692]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4009.114692]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4009.114692]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4009.114692]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4009.114692]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4009.114692]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4009.114692]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4009.114692]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4009.114692]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4009.114692] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4037.114435] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4037.114435] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4037.114435] irq event stamp: 843670726
>[ 4037.114435] hardirqs last  enabled at (843670725): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4037.114435] hardirqs last disabled at (843670726): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4037.114435] softirqs last  enabled at (843670514): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4037.114435] softirqs last disabled at (843670509): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4037.114435] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4037.114435] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4037.114435] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4037.114435] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4037.114435] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 4037.114435] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 4037.114435] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 4037.114435] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4037.114435] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4037.114435] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 4037.114435] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4037.114435] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4037.114435] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4037.114435] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4037.114435] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4037.114435] Stack:
>[ 4037.114435]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 4037.114435]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4037.114435]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 4037.114435] Call Trace:
>[ 4037.114435]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 4037.114435]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4037.114435]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4037.114435]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4037.114435]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4037.114435]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4037.114435]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4037.114435]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4037.114435]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4037.114435] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4065.114178] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4065.114178] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4065.114178] irq event stamp: 849907708
>[ 4065.114178] hardirqs last  enabled at (849907707): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4065.114178] hardirqs last disabled at (849907708): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4065.114178] softirqs last  enabled at (849907490): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4065.114178] softirqs last disabled at (849907485): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4065.114178] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4065.114178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4065.114178] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4065.114178] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4065.114178] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 4065.114178] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4065.114178] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4065.114178] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4065.114178] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4065.114178] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4065.114178] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4065.114178] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4065.114178] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4065.114178] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4065.114178] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4065.114178] Stack:
>[ 4065.114178]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4065.114178]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4065.114178]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4065.114178] Call Trace:
>[ 4065.114178]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4065.114178]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4065.114178]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4065.114178]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4065.114178]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4065.114178]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4065.114178]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4065.114178]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4065.114178]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4065.114178]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4065.114178] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4093.114922] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4093.114922] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4093.114922] irq event stamp: 855889252
>[ 4093.114922] hardirqs last  enabled at (855889251): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4093.114922] hardirqs last disabled at (855889252): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4093.114922] softirqs last  enabled at (855889026): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4093.114922] softirqs last disabled at (855889021): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4093.114922] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4093.114922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4093.114922] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4093.114922] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4093.114922] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 4093.114922] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 4093.114922] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 4093.114922] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4093.114922] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4093.114922] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 4093.114922] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4093.114922] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4093.114922] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4093.114922] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4093.114922] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4093.114922] Stack:
>[ 4093.114922]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 4093.114922]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 4093.114922]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4093.114922] Call Trace:
>[ 4093.114922]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 4093.114922]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4093.114922]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4093.114922]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4093.114922]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4093.114922]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4093.114922]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4093.114922]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4093.114922]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4093.114922]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4093.114922] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4095.563549] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=3965102 jiffies, g=9748, c=9747, q=1)
>[ 4095.563549] INFO: Stall ended before state dump start
>[ 4121.114665] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4121.114665] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4121.114665] irq event stamp: 861830792
>[ 4121.114665] hardirqs last  enabled at (861830791): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4121.114665] hardirqs last disabled at (861830792): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4121.114665] softirqs last  enabled at (861830614): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4121.114665] softirqs last disabled at (861830609): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4121.114665] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4121.114665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4121.114665] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4121.114665] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4121.114665] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 4121.114665] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4121.114665] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4121.114665] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4121.114665] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4121.114665] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4121.114665] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4121.114665] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4121.114665] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4121.114665] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4121.114665] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4121.114665] Stack:
>[ 4121.114665]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4121.114665]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4121.114665]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4121.114665] Call Trace:
>[ 4121.114665]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4121.114665]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4121.114665]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4121.114665]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4121.114665]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4121.114665]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4121.114665]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4121.114665]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4121.114665]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4121.114665]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4121.114665] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4149.114408] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4149.114408] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4149.114408] irq event stamp: 867860480
>[ 4149.114408] hardirqs last  enabled at (867860479): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4149.114408] hardirqs last disabled at (867860480): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4149.114408] softirqs last  enabled at (867860250): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4149.114408] softirqs last disabled at (867860245): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4149.114408] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4149.114408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4149.114408] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4149.114408] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4149.114408] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 4149.114408] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4149.114408] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4149.114408] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4149.114408] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4149.114408] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4149.114408] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4149.114408] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4149.114408] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4149.114408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4149.114408] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4149.114408] Stack:
>[ 4149.114408]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4149.114408]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4149.114408]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4149.114408] Call Trace:
>[ 4149.114408]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4149.114408]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4149.114408]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4149.114408]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4149.114408]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4149.114408]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4149.114408]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4149.114408]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4149.114408]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4149.114408]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4149.114408] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4177.114152] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4177.114152] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4177.114152] irq event stamp: 874019368
>[ 4177.114152] hardirqs last  enabled at (874019367): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4177.114152] hardirqs last disabled at (874019368): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4177.114152] softirqs last  enabled at (874019148): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4177.114152] softirqs last disabled at (874019143): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4177.114152] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4177.114152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4177.114152] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4177.114152] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 4177.114152] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 4177.114152] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 4177.114152] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 4177.114152] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 4177.114152] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 4177.114152] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 4177.114152] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4177.114152] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4177.114152] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4177.114152] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4177.114152] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4177.114152] Stack:
>[ 4177.114152]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 4177.114152]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 4177.114152]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 4177.114152] Call Trace:
>[ 4177.114152]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 4177.114152]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4177.114152]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4177.114152]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4177.114152]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4177.114152]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4177.114152]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4177.114152] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 4205.114895] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4205.114895] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4205.114895] irq event stamp: 880212680
>[ 4205.114895] hardirqs last  enabled at (880212679): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4205.114895] hardirqs last disabled at (880212680): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4205.114895] softirqs last  enabled at (880212458): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4205.114895] softirqs last disabled at (880212453): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4205.114895] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4205.114895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4205.114895] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4205.114895] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4205.114895] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4205.114895] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4205.114895] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4205.114895] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4205.114895] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4205.114895] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4205.114895] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4205.114895] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4205.114895] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4205.114895] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4205.114895] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4205.114895] Stack:
>[ 4205.114895]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4205.114895]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4205.114895]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4205.114895] Call Trace:
>[ 4205.114895]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4205.114895]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4205.114895]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4205.114895]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4205.114895]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4205.114895]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4205.114895]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4205.114895]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4205.114895]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4205.114895]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4205.114895]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4205.114895]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4205.114895]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4205.114895] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4233.114638] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4233.114638] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4233.114638] irq event stamp: 886295502
>[ 4233.114638] hardirqs last  enabled at (886295501): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4233.114638] hardirqs last disabled at (886295502): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4233.114638] softirqs last  enabled at (886295298): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4233.114638] softirqs last disabled at (886295293): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4233.114638] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4233.114638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4233.114638] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4233.114638] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4233.114638] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 4233.114638] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4233.114638] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4233.114638] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4233.114638] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4233.114638] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4233.114638] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4233.114638] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4233.114638] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4233.114638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4233.114638] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4233.114638] Stack:
>[ 4233.114638]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4233.114638]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4233.114638]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4233.114638] Call Trace:
>[ 4233.114638]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4233.114638]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4233.114638]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4233.114638]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4233.114638]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4233.114638]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4233.114638]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4233.114638]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4233.114638]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4233.114638]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4233.114638] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4261.114382] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4261.114382] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4261.114382] irq event stamp: 892369838
>[ 4261.114382] hardirqs last  enabled at (892369837): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4261.114382] hardirqs last disabled at (892369838): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4261.114382] softirqs last  enabled at (892369610): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4261.114382] softirqs last disabled at (892369605): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4261.114382] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4261.114382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4261.114382] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4261.114382] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4261.114382] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4261.114382] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4261.114382] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4261.114382] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4261.114382] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4261.114382] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4261.114382] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4261.114382] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4261.114382] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4261.114382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4261.114382] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4261.114382] Stack:
>[ 4261.114382]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4261.114382]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4261.114382]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4261.114382] Call Trace:
>[ 4261.114382]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4261.114382]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4261.114382]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4261.114382]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4261.114382]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4261.114382]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4261.114382]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4261.114382]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4261.114382]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4261.114382]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4261.114382]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4261.114382]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4261.114382]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4261.114382] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4289.114125] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4289.114125] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4289.114125] irq event stamp: 898253174
>[ 4289.114125] hardirqs last  enabled at (898253173): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4289.114125] hardirqs last disabled at (898253174): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4289.114125] softirqs last  enabled at (898252960): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4289.114125] softirqs last disabled at (898252955): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4289.114125] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4289.114125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4289.114125] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4289.114125] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4289.114125] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 4289.114125] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 4289.114125] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 4289.114125] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4289.114125] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4289.114125] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 4289.114125] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4289.114125] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4289.114125] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4289.114125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4289.114125] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4289.114125] Stack:
>[ 4289.114125]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 4289.114125]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4289.114125]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 4289.114125] Call Trace:
>[ 4289.114125]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 4289.114125]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4289.114125]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4289.114125]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4289.114125]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4289.114125]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4289.114125]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4289.114125]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4289.114125]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4289.114125] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4290.538909] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=4160107 jiffies, g=9748, c=9747, q=1)
>[ 4290.538909] INFO: Stall ended before state dump start
>[ 4317.114868] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4317.114868] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4317.114868] irq event stamp: 904084212
>[ 4317.114868] hardirqs last  enabled at (904084211): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4317.114868] hardirqs last disabled at (904084212): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4317.114868] softirqs last  enabled at (904083988): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4317.114868] softirqs last disabled at (904083983): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4317.114868] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4317.114868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4317.114868] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4317.114868] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4317.114868] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4317.114868] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4317.114868] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4317.114868] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4317.114868] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4317.114868] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4317.114868] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4317.114868] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4317.114868] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4317.114868] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4317.114868] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4317.114868] Stack:
>[ 4317.114868]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4317.114868]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4317.114868]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4317.114868] Call Trace:
>[ 4317.114868]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4317.114868]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4317.114868]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4317.114868]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4317.114868]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4317.114868]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4317.114868]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4317.114868]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4317.114868]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4317.114868]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4317.114868]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4317.114868]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4317.114868]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4317.114868] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4345.114612] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4345.114612] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4345.114612] irq event stamp: 910136440
>[ 4345.114612] hardirqs last  enabled at (910136439): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4345.114612] hardirqs last disabled at (910136440): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4345.114612] softirqs last  enabled at (910136220): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4345.114612] softirqs last disabled at (910136215): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4345.114612] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4345.114612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4345.114612] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4345.114612] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4345.114612] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 4345.114612] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4345.114612] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4345.114612] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4345.114612] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4345.114612] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4345.114612] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4345.114612] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4345.114612] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4345.114612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4345.114612] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4345.114612] Stack:
>[ 4345.114612]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4345.114612]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4345.114612]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4345.114612] Call Trace:
>[ 4345.114612]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4345.114612]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4345.114612]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4345.114612]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4345.114612]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4345.114612]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4345.114612]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4345.114612]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4345.114612]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4345.114612]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4345.114612] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4373.114355] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4373.114355] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4373.114355] irq event stamp: 916263418
>[ 4373.114355] hardirqs last  enabled at (916263417): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 4373.114355] hardirqs last disabled at (916263418): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4373.114355] softirqs last  enabled at (916263214): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4373.114355] softirqs last disabled at (916263209): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4373.114355] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4373.114355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4373.114355] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4373.114355] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 4373.114355] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 4373.114355] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 4373.114355] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 4373.114355] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 4373.114355] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 4373.114355] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 4373.114355] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4373.114355] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4373.114355] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4373.114355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4373.114355] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4373.114355] Stack:
>[ 4373.114355]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 4373.114355]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 4373.114355]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 4373.114355] Call Trace:
>[ 4373.114355]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4373.114355]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 4373.114355]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4373.114355]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 4373.114355]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4373.114355]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4373.114355]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4373.114355]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4373.114355]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4373.114355]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4373.114355]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4373.114355]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4373.114355]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4373.114355]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4373.114355] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 4401.114099] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4401.114099] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4401.114099] irq event stamp: 922277330
>[ 4401.114099] hardirqs last  enabled at (922277329): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4401.114099] hardirqs last disabled at (922277330): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4401.114099] softirqs last  enabled at (922277112): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4401.114099] softirqs last disabled at (922277107): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4401.114099] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4401.114099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4401.114099] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4401.114099] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4401.114099] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4401.114099] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4401.114099] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4401.114099] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4401.114099] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4401.114099] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4401.114099] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4401.114099] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4401.114099] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4401.114099] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4401.114099] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4401.114099] Stack:
>[ 4401.114099]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4401.114099]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4401.114099]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4401.114099] Call Trace:
>[ 4401.114099]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4401.114099]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4401.114099]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4401.114099]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4401.114099]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4401.114099]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4401.114099]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4401.114099]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4401.114099]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4401.114099]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4401.114099]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4401.114099]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4401.114099]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4401.114099] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4429.114842] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4429.114842] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4429.114842] irq event stamp: 928247358
>[ 4429.114842] hardirqs last  enabled at (928247357): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4429.114842] hardirqs last disabled at (928247358): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4429.114842] softirqs last  enabled at (928247144): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4429.114842] softirqs last disabled at (928247139): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4429.114842] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4429.114842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4429.114842] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4429.114842] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4429.114842] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 4429.114842] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 4429.114842] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 4429.114842] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4429.114842] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4429.114842] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 4429.114842] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4429.114842] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4429.114842] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4429.114842] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4429.114842] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4429.114842] Stack:
>[ 4429.114842]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 4429.114842]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4429.114842]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 4429.114842] Call Trace:
>[ 4429.114842]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 4429.114842]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4429.114842]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4429.114842]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4429.114842]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4429.114842]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4429.114842]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4429.114842]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4429.114842]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4429.114842] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4457.114585] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4457.114585] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4457.114585] irq event stamp: 934069478
>[ 4457.114585] hardirqs last  enabled at (934069477): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4457.114585] hardirqs last disabled at (934069478): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4457.114585] softirqs last  enabled at (934069280): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4457.114585] softirqs last disabled at (934069275): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4457.114585] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4457.114585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4457.114585] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4457.114585] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4457.114585] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 4457.114585] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4457.114585] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4457.114585] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4457.114585] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4457.114585] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4457.114585] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4457.114585] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4457.114585] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4457.114585] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4457.114585] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4457.114585] Stack:
>[ 4457.114585]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4457.114585]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4457.114585]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4457.114585] Call Trace:
>[ 4457.114585]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4457.114585]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4457.114585]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4457.114585]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4457.114585]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4457.114585]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4457.114585]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4457.114585]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4457.114585]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4457.114585]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4457.114585] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4485.114329] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4485.114329] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4485.114329] irq event stamp: 940031646
>[ 4485.114329] hardirqs last  enabled at (940031645): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4485.114329] hardirqs last disabled at (940031646): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4485.114329] softirqs last  enabled at (940031480): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4485.114329] softirqs last disabled at (940031475): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4485.114329] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4485.114329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4485.114329] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4485.114329] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4485.114329] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4485.114329] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4485.114329] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4485.114329] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4485.114329] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4485.114329] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4485.114329] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4485.114329] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4485.114329] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4485.114329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4485.114329] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4485.114329] Stack:
>[ 4485.114329]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4485.114329]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4485.114329]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4485.114329] Call Trace:
>[ 4485.114329]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4485.114329]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4485.114329]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4485.114329]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4485.114329]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4485.114329]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4485.114329]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4485.114329]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4485.114329]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4485.114329]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4485.114329]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4485.114329]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4485.114329]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4485.114329] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4485.514268] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=4355112 jiffies, g=9748, c=9747, q=1)
>[ 4485.514268] INFO: Stall ended before state dump start
>[ 4513.114072] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4513.114072] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4513.114072] irq event stamp: 946078768
>[ 4513.114072] hardirqs last  enabled at (946078767): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4513.114072] hardirqs last disabled at (946078768): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4513.114072] softirqs last  enabled at (946078552): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4513.114072] softirqs last disabled at (946078547): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4513.114072] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4513.114072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4513.114072] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4513.114072] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4513.114072] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 4513.114072] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 4513.114072] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 4513.114072] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4513.114072] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4513.114072] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 4513.114072] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4513.114072] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4513.114072] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4513.114072] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4513.114072] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4513.114072] Stack:
>[ 4513.114072]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 4513.114072]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4513.114072]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 4513.114072] Call Trace:
>[ 4513.114072]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 4513.114072]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4513.114072]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4513.114072]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4513.114072]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4513.114072]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4513.114072]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4513.114072]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4513.114072]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4513.114072] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4541.114815] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4541.114815] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4541.114815] irq event stamp: 952187100
>[ 4541.114815] hardirqs last  enabled at (952187099): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4541.114815] hardirqs last disabled at (952187100): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4541.114815] softirqs last  enabled at (952186874): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4541.114815] softirqs last disabled at (952186869): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4541.114815] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4541.114815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4541.114815] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4541.114815] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4541.114815] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 4541.114815] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4541.114815] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4541.114815] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4541.114815] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4541.114815] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4541.114815] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4541.114815] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4541.114815] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4541.114815] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4541.114815] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4541.114815] Stack:
>[ 4541.114815]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4541.114815]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4541.114815]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4541.114815] Call Trace:
>[ 4541.114815]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4541.114815]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4541.114815]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4541.114815]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4541.114815]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4541.114815]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4541.114815]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4541.114815]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4541.114815]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4541.114815]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4541.114815] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 4569.114559] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4569.114559] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4569.114559] irq event stamp: 958320442
>[ 4569.114559] hardirqs last  enabled at (958320441): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 4569.114559] hardirqs last disabled at (958320442): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4569.114559] softirqs last  enabled at (958320222): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4569.114559] softirqs last disabled at (958320217): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4569.114559] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4569.114559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4569.114559] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4569.114559] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 4569.114559] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 4569.114559] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 4569.114559] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 4569.114559] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 4569.114559] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 4569.114559] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 4569.114559] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4569.114559] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4569.114559] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4569.114559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4569.114559] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4569.114559] Stack:
>[ 4569.114559]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 4569.114559]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 4569.114559]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 4569.114559] Call Trace:
>[ 4569.114559]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4569.114559]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 4569.114559]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4569.114559]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 4569.114559]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4569.114559]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4569.114559]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4569.114559]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4569.114559]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4569.114559]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4569.114559]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4569.114559]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4569.114559]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4569.114559]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4569.114559] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 4597.114302] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4597.114302] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4597.114302] irq event stamp: 964387356
>[ 4597.114302] hardirqs last  enabled at (964387355): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 4597.114302] hardirqs last disabled at (964387356): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4597.114302] softirqs last  enabled at (964387146): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4597.114302] softirqs last disabled at (964387141): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4597.114302] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4597.114302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4597.114302] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4597.114302] RIP: 0010:[<ffffffff8175f7f0>]  [<ffffffff8175f7f0>] _raw_spin_lock_irq+0x0/0x80
>[ 4597.114302] RSP: 0018:ffff8800184dbcb8  EFLAGS: 00000246
>[ 4597.114302] RAX: 0000000000000001 RBX: ffffffff8175ce14 RCX: 0000000000000000
>[ 4597.114302] RDX: ffff88001844a5f0 RSI: 0000000000000000 RDI: ffff8800188f0d48
>[ 4597.114302] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4597.114302] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000700000046
>[ 4597.114302] R13: ffffffff810d18d9 R14: ffff8800184dbc50 R15: ffff88001844a5f0
>[ 4597.114302] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4597.114302] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4597.114302] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4597.114302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4597.114302] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4597.114302] Stack:
>[ 4597.114302]  ffffffff8159e97f ffff880019835068 ffff8800195c7450 ffff8800195c7460
>[ 4597.114302]  ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0 ffff880019835068
>[ 4597.114302]  7fffffffffffffff ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b
>[ 4597.114302] Call Trace:
>[ 4597.114302]  [<ffffffff8159e97f>] ? md_check_recovery+0x19f/0x4f0
>[ 4597.114302]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4597.114302]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4597.114302]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4597.114302]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4597.114302]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4597.114302]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4597.114302]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4597.114302]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4597.114302]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4597.114302] Code: ff 48 89 df e8 72 81 97 ff 48 8b 75 08 4c 89 e7 e8 86 0e 97 ff 48 83 c4 08 5b 41 5c 5d c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 54 53 48 89 fb 48 83 ec 08 fa 66 
>[ 4625.114045] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4625.114045] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4625.114045] irq event stamp: 970587396
>[ 4625.114045] hardirqs last  enabled at (970587395): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4625.114045] hardirqs last disabled at (970587396): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4625.114045] softirqs last  enabled at (970587166): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4625.114045] softirqs last disabled at (970587161): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4625.114045] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4625.114045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4625.114045] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4625.114045] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4625.114045] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 4625.114045] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 4625.114045] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 4625.114045] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4625.114045] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4625.114045] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 4625.114045] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4625.114045] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4625.114045] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4625.114045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4625.114045] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4625.114045] Stack:
>[ 4625.114045]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 4625.114045]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4625.114045]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 4625.114045] Call Trace:
>[ 4625.114045]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 4625.114045]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4625.114045]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4625.114045]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4625.114045]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4625.114045]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4625.114045]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4625.114045]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4625.114045]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4625.114045] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4653.114789] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4653.114789] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4653.114789] irq event stamp: 976646288
>[ 4653.114789] hardirqs last  enabled at (976646287): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4653.114789] hardirqs last disabled at (976646288): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4653.114789] softirqs last  enabled at (976646074): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4653.114789] softirqs last disabled at (976646069): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4653.114789] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4653.114789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4653.114789] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4653.114789] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4653.114789] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 4653.114789] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 4653.114789] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 4653.114789] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 4653.114789] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4653.114789] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 4653.114789] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4653.114789] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4653.114789] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4653.114789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4653.114789] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4653.114789] Stack:
>[ 4653.114789]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 4653.114789]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 4653.114789]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 4653.114789] Call Trace:
>[ 4653.114789]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4653.114789]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 4653.114789]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4653.114789]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4653.114789]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4653.114789]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4653.114789]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4653.114789]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4653.114789]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4653.114789]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4653.114789]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4653.114789] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4680.489627] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=4550117 jiffies, g=9748, c=9747, q=1)
>[ 4680.489627] INFO: Stall ended before state dump start
>[ 4705.114883] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4705.114883] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4705.114883] irq event stamp: 987753936
>[ 4705.114883] hardirqs last  enabled at (987753935): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 4705.114883] hardirqs last disabled at (987753936): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4705.114883] softirqs last  enabled at (987753722): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4705.114883] softirqs last disabled at (987753717): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4705.114883] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4705.114883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4705.114883] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4705.114883] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 4705.114883] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 4705.114883] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 4705.114883] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 4705.114883] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 4705.114883] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4705.114883] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 4705.114883] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4705.114883] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4705.114883] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4705.114883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4705.114883] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4705.114883] Stack:
>[ 4705.114883]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 4705.114883]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 4705.114883]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 4705.114883] Call Trace:
>[ 4705.114883]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 4705.114883]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 4705.114883]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4705.114883]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4705.114883]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4705.114883]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4705.114883]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4705.114883]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4705.114883]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4705.114883]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4705.114883]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4705.114883]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4705.114883] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 4733.114627] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4733.114627] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4733.114627] irq event stamp: 993876696
>[ 4733.114627] hardirqs last  enabled at (993876695): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4733.114627] hardirqs last disabled at (993876696): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4733.114627] softirqs last  enabled at (993876488): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4733.114627] softirqs last disabled at (993876483): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4733.114627] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4733.114627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4733.114627] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4733.114627] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4733.114627] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4733.114627] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4733.114627] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4733.114627] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4733.114627] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4733.114627] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4733.114627] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4733.114627] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4733.114627] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4733.114627] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4733.114627] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4733.114627] Stack:
>[ 4733.114627]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4733.114627]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4733.114627]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4733.114627] Call Trace:
>[ 4733.114627]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4733.114627]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4733.114627]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4733.114627]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4733.114627]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4733.114627]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4733.114627]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4733.114627]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4733.114627]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4733.114627]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4733.114627]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4733.114627]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4733.114627]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4733.114627] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4761.114370] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4761.114370] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4761.114370] irq event stamp: 999992762
>[ 4761.114370] hardirqs last  enabled at (999992761): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4761.114370] hardirqs last disabled at (999992762): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4761.114370] softirqs last  enabled at (999992554): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4761.114370] softirqs last disabled at (999992549): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4761.114370] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4761.114370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4761.114370] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4761.114370] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4761.114370] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 4761.114370] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 4761.114370] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 4761.114370] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 4761.114370] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4761.114370] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 4761.114370] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4761.114370] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4761.114370] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4761.114370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4761.114370] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4761.114370] Stack:
>[ 4761.114370]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 4761.114370]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 4761.114370]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 4761.114370] Call Trace:
>[ 4761.114370]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4761.114370]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 4761.114370]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4761.114370]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4761.114370]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4761.114370]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4761.114370]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4761.114370]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4761.114370]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4761.114370]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4761.114370]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4761.114370] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4789.114114] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4789.114114] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4789.114114] irq event stamp: 1006108622
>[ 4789.114114] hardirqs last  enabled at (1006108621): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4789.114114] hardirqs last disabled at (1006108622): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4789.114114] softirqs last  enabled at (1006108404): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4789.114114] softirqs last disabled at (1006108399): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4789.114114] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4789.114114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4789.114114] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4789.114114] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4789.114114] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 4789.114114] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 4789.114114] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 4789.114114] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 4789.114114] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4789.114114] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4789.114114] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4789.114114] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4789.114114] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4789.114114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4789.114114] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4789.114114] Stack:
>[ 4789.114114]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 4789.114114]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 4789.114114]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 4789.114114] Call Trace:
>[ 4789.114114]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4789.114114]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 4789.114114]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 4789.114114]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4789.114114]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4789.114114]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4789.114114]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4789.114114]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4789.114114]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4789.114114]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4789.114114]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4789.114114]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4789.114114]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4789.114114] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4817.114857] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 4817.114857] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4817.114857] irq event stamp: 1012180230
>[ 4817.114857] hardirqs last  enabled at (1012180229): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 4817.114857] hardirqs last disabled at (1012180230): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4817.114857] softirqs last  enabled at (1012180016): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4817.114857] softirqs last disabled at (1012180011): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4817.114857] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4817.114857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4817.114857] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4817.114857] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 4817.114857] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 4817.114857] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 4817.114857] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 4817.114857] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 4817.114857] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 4817.114857] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 4817.114857] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4817.114857] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4817.114857] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4817.114857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4817.114857] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4817.114857] Stack:
>[ 4817.114857]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 4817.114857]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 4817.114857]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 4817.114857] Call Trace:
>[ 4817.114857]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4817.114857]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 4817.114857]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4817.114857]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 4817.114857]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4817.114857]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4817.114857]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4817.114857]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4817.114857]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4817.114857]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4817.114857]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4817.114857]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4817.114857]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4817.114857]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4817.114857] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 4845.114600] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4845.114600] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4845.114600] irq event stamp: 1018251394
>[ 4845.114600] hardirqs last  enabled at (1018251393): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 4845.114600] hardirqs last disabled at (1018251394): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4845.114600] softirqs last  enabled at (1018251184): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4845.114600] softirqs last disabled at (1018251179): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4845.114600] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4845.114600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4845.114600] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4845.114600] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 4845.114600] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 4845.114600] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 4845.114600] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 4845.114600] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4845.114600] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 4845.114600] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4845.114600] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4845.114600] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4845.114600] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4845.114600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4845.114600] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4845.114600] Stack:
>[ 4845.114600]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 4845.114600]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 4845.114600]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 4845.114600] Call Trace:
>[ 4845.114600]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 4845.114600]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 4845.114600]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4845.114600]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4845.114600]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4845.114600]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4845.114600]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4845.114600]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4845.114600]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4845.114600]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4845.114600]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4845.114600] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 4873.114344] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4873.114344] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4873.114344] irq event stamp: 1024131816
>[ 4873.114344] hardirqs last  enabled at (1024131815): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 4873.114344] hardirqs last disabled at (1024131816): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4873.114344] softirqs last  enabled at (1024131598): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4873.114344] softirqs last disabled at (1024131593): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4873.114344] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4873.114344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4873.114344] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4873.114344] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 4873.114344] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 4873.114344] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 4873.114344] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 4873.114344] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4873.114344] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 4873.114344] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 4873.114344] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4873.114344] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4873.114344] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4873.114344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4873.114344] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4873.114344] Stack:
>[ 4873.114344]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 4873.114344]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 4873.114344]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 4873.114344] Call Trace:
>[ 4873.114344]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 4873.114344]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 4873.114344]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4873.114344]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4873.114344]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4873.114344]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4873.114344]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4873.114344]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4873.114344]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4873.114344]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4873.114344]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4873.114344] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 4875.464986] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=4745122 jiffies, g=9748, c=9747, q=1)
>[ 4875.464986] INFO: Stall ended before state dump start
>[ 4901.114087] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4901.114087] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4901.114087] irq event stamp: 1030365640
>[ 4901.114087] hardirqs last  enabled at (1030365639): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 4901.114087] hardirqs last disabled at (1030365640): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4901.114087] softirqs last  enabled at (1030365418): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4901.114087] softirqs last disabled at (1030365413): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4901.114087] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4901.114087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4901.114087] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4901.114087] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 4901.114087] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 4901.114087] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 4901.114087] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 4901.114087] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 4901.114087] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 4901.114087] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 4901.114087] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4901.114087] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4901.114087] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4901.114087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4901.114087] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4901.114087] Stack:
>[ 4901.114087]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 4901.114087]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 4901.114087]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 4901.114087] Call Trace:
>[ 4901.114087]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4901.114087]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 4901.114087]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 4901.114087]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 4901.114087]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 4901.114087]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4901.114087]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4901.114087]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4901.114087]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4901.114087]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4901.114087]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4901.114087]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4901.114087]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4901.114087]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4901.114087] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 4929.114830] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4929.114830] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4929.114830] irq event stamp: 1036432416
>[ 4929.114830] hardirqs last  enabled at (1036432415): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4929.114830] hardirqs last disabled at (1036432416): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4929.114830] softirqs last  enabled at (1036432192): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4929.114830] softirqs last disabled at (1036432187): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4929.114830] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4929.114830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4929.114830] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4929.114830] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4929.114830] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 4929.114830] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 4929.114830] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 4929.114830] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 4929.114830] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 4929.114830] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 4929.114830] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4929.114830] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4929.114830] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4929.114830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4929.114830] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4929.114830] Stack:
>[ 4929.114830]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 4929.114830]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 4929.114830]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 4929.114830] Call Trace:
>[ 4929.114830]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 4929.114830]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 4929.114830]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 4929.114830]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4929.114830]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4929.114830]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4929.114830]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4929.114830]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4929.114830]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4929.114830]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4929.114830]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4929.114830] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4957.114574] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4957.114574] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4957.114574] irq event stamp: 1042395652
>[ 4957.114574] hardirqs last  enabled at (1042395651): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 4957.114574] hardirqs last disabled at (1042395652): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4957.114574] softirqs last  enabled at (1042395426): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4957.114574] softirqs last disabled at (1042395421): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4957.114574] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4957.114574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4957.114574] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4957.114574] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 4957.114574] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 4957.114574] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 4957.114574] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 4957.114574] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 4957.114574] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4957.114574] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 4957.114574] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4957.114574] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4957.114574] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4957.114574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4957.114574] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4957.114574] Stack:
>[ 4957.114574]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 4957.114574]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4957.114574]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 4957.114574] Call Trace:
>[ 4957.114574]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 4957.114574]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4957.114574]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4957.114574]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4957.114574]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4957.114574]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4957.114574]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4957.114574]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4957.114574]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4957.114574] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 4985.114317] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 4985.114317] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 4985.114317] irq event stamp: 1048538114
>[ 4985.114317] hardirqs last  enabled at (1048538113): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 4985.114317] hardirqs last disabled at (1048538114): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 4985.114317] softirqs last  enabled at (1048537890): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 4985.114317] softirqs last disabled at (1048537885): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 4985.114317] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 4985.114317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 4985.114317] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 4985.114317] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 4985.114317] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 4985.114317] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 4985.114317] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 4985.114317] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 4985.114317] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 4985.114317] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 4985.114317] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 4985.114317] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 4985.114317] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 4985.114317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 4985.114317] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 4985.114317] Stack:
>[ 4985.114317]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 4985.114317]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 4985.114317]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 4985.114317] Call Trace:
>[ 4985.114317]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 4985.114317]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 4985.114317]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 4985.114317]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 4985.114317]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 4985.114317]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 4985.114317]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 4985.114317]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4985.114317]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 4985.114317]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 4985.114317] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5013.114060] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5013.114060] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5013.114060] irq event stamp: 1054601138
>[ 5013.114060] hardirqs last  enabled at (1054601137): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 5013.114060] hardirqs last disabled at (1054601138): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5013.114060] softirqs last  enabled at (1054600926): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5013.114060] softirqs last disabled at (1054600921): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5013.114060] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5013.114060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5013.114060] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5013.114060] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 5013.114060] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 5013.114060] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 5013.114060] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 5013.114060] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5013.114060] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 5013.114060] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 5013.114060] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5013.114060] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5013.114060] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5013.114060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5013.114060] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5013.114060] Stack:
>[ 5013.114060]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 5013.114060]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 5013.114060]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 5013.114060] Call Trace:
>[ 5013.114060]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 5013.114060]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 5013.114060]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5013.114060]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5013.114060]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5013.114060]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5013.114060]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5013.114060]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5013.114060]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5013.114060]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5013.114060]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5013.114060] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 5041.114804] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5041.114804] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5041.114804] irq event stamp: 1060682190
>[ 5041.114804] hardirqs last  enabled at (1060682189): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5041.114804] hardirqs last disabled at (1060682190): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5041.114804] softirqs last  enabled at (1060681978): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5041.114804] softirqs last disabled at (1060681973): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5041.114804] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5041.114804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5041.114804] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5041.114804] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5041.114804] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 5041.114804] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 5041.114804] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 5041.114804] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5041.114804] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5041.114804] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 5041.114804] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5041.114804] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5041.114804] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5041.114804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5041.114804] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5041.114804] Stack:
>[ 5041.114804]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 5041.114804]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5041.114804]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 5041.114804] Call Trace:
>[ 5041.114804]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 5041.114804]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5041.114804]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5041.114804]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5041.114804]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5041.114804]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5041.114804]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5041.114804]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5041.114804]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5041.114804] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5069.114501] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5069.114547] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5069.114547] irq event stamp: 1066534524
>[ 5069.114547] hardirqs last  enabled at (1066534523): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5069.114547] hardirqs last disabled at (1066534524): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5069.114547] softirqs last  enabled at (1066534342): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5069.114547] softirqs last disabled at (1066534337): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5069.114547] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5069.114547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5069.114547] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5069.114547] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5069.114547] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 5069.114547] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5069.114547] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 5069.114547] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5069.114547] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5069.114547] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 5069.114547] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5069.114547] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5069.114547] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5069.114547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5069.114547] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5069.114547] Stack:
>[ 5069.114547]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 5069.114547]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 5069.114547]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5069.114547] Call Trace:
>[ 5069.114547]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 5069.114547]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5069.114547]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5069.114547]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5069.114547]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5069.114547]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5069.114547]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5069.114547]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5069.114547]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5069.114547]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5069.114547] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5070.440346] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=4940127 jiffies, g=9748, c=9747, q=1)
>[ 5070.440346] INFO: Stall ended before state dump start
>[ 5097.114290] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5097.114290] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5097.114290] irq event stamp: 1072433510
>[ 5097.114290] hardirqs last  enabled at (1072433509): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5097.114290] hardirqs last disabled at (1072433510): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5097.114290] softirqs last  enabled at (1072433282): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5097.114290] softirqs last disabled at (1072433277): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5097.114290] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5097.114290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5097.114290] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5097.114290] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5097.114290] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 5097.114290] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5097.114290] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 5097.114290] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5097.114290] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5097.114290] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 5097.114290] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5097.114290] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5097.114290] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5097.114290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5097.114290] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5097.114290] Stack:
>[ 5097.114290]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 5097.114290]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 5097.114290]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5097.114290] Call Trace:
>[ 5097.114290]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 5097.114290]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5097.114290]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5097.114290]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5097.114290]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5097.114290]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5097.114290]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5097.114290]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5097.114290]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5097.114290]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5097.114290] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5125.114034] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5125.114034] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5125.114034] irq event stamp: 1078467236
>[ 5125.114034] hardirqs last  enabled at (1078467235): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5125.114034] hardirqs last disabled at (1078467236): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5125.114034] softirqs last  enabled at (1078467066): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5125.114034] softirqs last disabled at (1078467061): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5125.114034] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5125.114034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5125.114034] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5125.114034] RIP: 0010:[<ffffffff81595124>]  [<ffffffff81595124>] md_thread+0x54/0x130
>[ 5125.114034] RSP: 0018:ffff8800184dbde8  EFLAGS: 00000292
>[ 5125.114034] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 5125.114034] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800184dbd50
>[ 5125.114034] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 5125.114034] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 5125.114034] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 5125.114034] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5125.114034] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5125.114034] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5125.114034] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5125.114034] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5125.114034] Stack:
>[ 5125.114034]  ffff8800184dbe08 0000000000000000 ffff88001844a5f0 ffffffff810c6dc0
>[ 5125.114034]  ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40 ffff8800195c7450
>[ 5125.114034]  ffffffff815950d0 0000000000000000 0000000000000000 ffff8800184dbf48
>[ 5125.114034] Call Trace:
>[ 5125.114034]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5125.114034]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5125.114034]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5125.114034]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5125.114034]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5125.114034]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5125.114034] Code: 83 ec 30 e8 0f 02 ae ff 48 8d 45 b0 48 83 c0 18 48 89 45 a8 eb 15 90 3e 41 80 64 24 68 fe e8 b4 ab b0 ff 84 c0 0f 84 bd 00 00 00 <e8> a7 ab b0 ff 84 c0 0f 85 9f 00 00 00 49 8b 46 08 48 8b 40 10 
>[ 5153.114777] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5153.114777] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5153.114777] irq event stamp: 1084495206
>[ 5153.114777] hardirqs last  enabled at (1084495205): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5153.114777] hardirqs last disabled at (1084495206): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5153.114777] softirqs last  enabled at (1084494986): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5153.114777] softirqs last disabled at (1084494981): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5153.114777] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5153.114777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5153.114777] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5153.114777] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 5153.114777] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 5153.114777] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 5153.114777] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 5153.114777] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 5153.114777] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 5153.114777] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 5153.114777] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5153.114777] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5153.114777] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5153.114777] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5153.114777] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5153.114777] Stack:
>[ 5153.114777]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 5153.114777]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 5153.114777]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 5153.114777] Call Trace:
>[ 5153.114777]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 5153.114777]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5153.114777]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5153.114777]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5153.114777]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5153.114777]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5153.114777]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5153.114777] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 5181.114520] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5181.114520] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5181.114520] irq event stamp: 1090446880
>[ 5181.114520] hardirqs last  enabled at (1090446879): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5181.114520] hardirqs last disabled at (1090446880): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5181.114520] softirqs last  enabled at (1090446652): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5181.114520] softirqs last disabled at (1090446647): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5181.114520] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5181.114520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5181.114520] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5181.114520] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5181.114520] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 5181.114520] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5181.114520] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 5181.114520] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5181.114520] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5181.114520] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 5181.114520] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5181.114520] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5181.114520] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5181.114520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5181.114520] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5181.114520] Stack:
>[ 5181.114520]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 5181.114520]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 5181.114520]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5181.114520] Call Trace:
>[ 5181.114520]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 5181.114520]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5181.114520]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5181.114520]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5181.114520]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5181.114520]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5181.114520]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5181.114520]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5181.114520]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5181.114520]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5181.114520] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5209.114264] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5209.114264] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5209.114264] irq event stamp: 1096459140
>[ 5209.114264] hardirqs last  enabled at (1096459139): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5209.114264] hardirqs last disabled at (1096459140): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5209.114264] softirqs last  enabled at (1096458930): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5209.114264] softirqs last disabled at (1096458925): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5209.114264] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5209.114264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5209.114264] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5209.114264] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5209.114264] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 5209.114264] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5209.114264] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 5209.114264] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5209.114264] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5209.114264] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 5209.114264] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5209.114264] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5209.114264] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5209.114264] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5209.114264] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5209.114264] Stack:
>[ 5209.114264]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 5209.114264]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 5209.114264]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5209.114264] Call Trace:
>[ 5209.114264]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 5209.114264]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5209.114264]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5209.114264]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5209.114264]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5209.114264]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5209.114264]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5209.114264]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5209.114264]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5209.114264]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5209.114264] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5237.114007] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5237.114007] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5237.114007] irq event stamp: 1102404520
>[ 5237.114007] hardirqs last  enabled at (1102404519): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5237.114007] hardirqs last disabled at (1102404520): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5237.114007] softirqs last  enabled at (1102404354): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5237.114007] softirqs last disabled at (1102404349): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5237.114007] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5237.114007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5237.114007] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5237.114007] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5237.114007] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 5237.114007] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 5237.114007] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 5237.114007] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 5237.114007] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5237.114007] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 5237.114007] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5237.114007] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5237.114007] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5237.114007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5237.114007] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5237.114007] Stack:
>[ 5237.114007]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 5237.114007]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 5237.114007]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 5237.114007] Call Trace:
>[ 5237.114007]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 5237.114007]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 5237.114007]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 5237.114007]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5237.114007]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5237.114007]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5237.114007]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5237.114007]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5237.114007]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5237.114007]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5237.114007]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5237.114007]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5237.114007]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5237.114007] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5265.114750] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5265.114750] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5265.114750] irq event stamp: 1108632844
>[ 5265.114750] hardirqs last  enabled at (1108632843): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5265.114750] hardirqs last disabled at (1108632844): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5265.114750] softirqs last  enabled at (1108632616): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5265.114750] softirqs last disabled at (1108632611): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5265.114750] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5265.114750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5265.114750] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5265.114750] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5265.114750] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 5265.114750] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 5265.114750] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 5265.114750] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5265.114750] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5265.114750] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 5265.114750] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5265.114750] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5265.114750] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5265.114750] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5265.114750] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5265.114750] Stack:
>[ 5265.114750]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 5265.114750]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5265.114750]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 5265.114750] Call Trace:
>[ 5265.114750]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 5265.114750]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5265.114750]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5265.114750]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5265.114750]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5265.114750]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5265.114750]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5265.114750]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5265.114750]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5265.114750] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5265.415705] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=5135132 jiffies, g=9748, c=9747, q=1)
>[ 5265.415705] INFO: Stall ended before state dump start
>[ 5293.114494] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5293.114494] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5293.114494] irq event stamp: 1114648272
>[ 5293.114494] hardirqs last  enabled at (1114648271): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5293.114494] hardirqs last disabled at (1114648272): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5293.114494] softirqs last  enabled at (1114648048): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5293.114494] softirqs last disabled at (1114648043): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5293.114494] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5293.114494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5293.114494] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5293.114494] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5293.114494] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 5293.114494] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 5293.114494] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 5293.114494] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5293.114494] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5293.114494] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 5293.114494] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5293.114494] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5293.114494] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5293.114494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5293.114494] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5293.114494] Stack:
>[ 5293.114494]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 5293.114494]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 5293.114494]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5293.114494] Call Trace:
>[ 5293.114494]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 5293.114494]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 5293.114494]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5293.114494]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5293.114494]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5293.114494]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5293.114494]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5293.114494]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5293.114494]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5293.114494]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5293.114494] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5321.114237] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5321.114237] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5321.114237] irq event stamp: 1120642280
>[ 5321.114237] hardirqs last  enabled at (1120642279): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5321.114237] hardirqs last disabled at (1120642280): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5321.114237] softirqs last  enabled at (1120642060): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5321.114237] softirqs last disabled at (1120642055): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5321.114237] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5321.114237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5321.114237] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5321.114237] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5321.114237] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 5321.114237] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 5321.114237] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 5321.114237] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5321.114237] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5321.114237] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 5321.114237] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5321.114237] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5321.114237] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5321.114237] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5321.114237] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5321.114237] Stack:
>[ 5321.114237]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 5321.114237]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 5321.114237]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5321.114237] Call Trace:
>[ 5321.114237]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 5321.114237]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 5321.114237]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5321.114237]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5321.114237]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5321.114237]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5321.114237]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5321.114237]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5321.114237]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5321.114237]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5321.114237] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5349.114981] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5349.114981] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5349.114981] irq event stamp: 1126566092
>[ 5349.114981] hardirqs last  enabled at (1126566091): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5349.114981] hardirqs last disabled at (1126566092): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5349.114981] softirqs last  enabled at (1126565878): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5349.114981] softirqs last disabled at (1126565873): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5349.114981] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5349.114981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5349.114981] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5349.114981] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 5349.114981] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 5349.114981] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 5349.114981] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 5349.114981] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 5349.114981] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 5349.114981] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 5349.114981] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5349.114981] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5349.114981] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5349.114981] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5349.114981] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5349.114981] Stack:
>[ 5349.114981]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 5349.114981]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 5349.114981]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 5349.114981] Call Trace:
>[ 5349.114981]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 5349.114981]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 5349.114981]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5349.114981]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5349.114981]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5349.114981]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5349.114981]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5349.114981]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5349.114981]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5349.114981]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5349.114981]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5349.114981]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5349.114981] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 5377.114724] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5377.114724] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5377.114724] irq event stamp: 1132822050
>[ 5377.114724] hardirqs last  enabled at (1132822049): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 5377.114724] hardirqs last disabled at (1132822050): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5377.114724] softirqs last  enabled at (1132821824): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5377.114724] softirqs last disabled at (1132821819): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5377.114724] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5377.114724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5377.114724] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5377.114724] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 5377.114724] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 5377.114724] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 5377.114724] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 5377.114724] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 5377.114724] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5377.114724] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 5377.114724] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5377.114724] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5377.114724] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5377.114724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5377.114724] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5377.114724] Stack:
>[ 5377.114724]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 5377.114724]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 5377.114724]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 5377.114724] Call Trace:
>[ 5377.114724]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 5377.114724]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 5377.114724]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5377.114724]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5377.114724]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5377.114724]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5377.114724]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5377.114724]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5377.114724]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5377.114724]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5377.114724]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5377.114724]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5377.114724] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 5405.114467] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5405.114467] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5405.114467] irq event stamp: 1138730430
>[ 5405.114467] hardirqs last  enabled at (1138730429): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 5405.114467] hardirqs last disabled at (1138730430): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5405.114467] softirqs last  enabled at (1138730262): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5405.114467] softirqs last disabled at (1138730257): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5405.114467] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5405.114467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5405.114467] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5405.114467] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 5405.114467] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 5405.114467] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 5405.114467] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 5405.114467] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 5405.114467] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5405.114467] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 5405.114467] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5405.114467] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5405.114467] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5405.114467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5405.114467] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5405.114467] Stack:
>[ 5405.114467]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 5405.114467]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 5405.114467]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 5405.114467] Call Trace:
>[ 5405.114467]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 5405.114467]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 5405.114467]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5405.114467]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5405.114467]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5405.114467]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5405.114467]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5405.114467]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5405.114467]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5405.114467]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5405.114467]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5405.114467]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5405.114467] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 5433.114211] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5433.114211] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5433.114211] irq event stamp: 1144683496
>[ 5433.114211] hardirqs last  enabled at (1144683495): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5433.114211] hardirqs last disabled at (1144683496): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5433.114211] softirqs last  enabled at (1144683320): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5433.114211] softirqs last disabled at (1144683315): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5433.114211] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5433.114211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5433.114211] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5433.114211] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5433.114211] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 5433.114211] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5433.114211] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 5433.114211] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 5433.114211] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5433.114211] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 5433.114211] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5433.114211] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5433.114211] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5433.114211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5433.114211] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5433.114211] Stack:
>[ 5433.114211]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 5433.114211]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 5433.114211]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 5433.114211] Call Trace:
>[ 5433.114211]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 5433.114211]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 5433.114211]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5433.114211]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5433.114211]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5433.114211]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5433.114211]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5433.114211]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5433.114211]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5433.114211]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5433.114211]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5433.114211] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5460.391064] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=5330137 jiffies, g=9748, c=9747, q=1)
>[ 5460.391064] INFO: Stall ended before state dump start
>[ 5485.114305] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5485.114305] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5485.114305] irq event stamp: 1156148930
>[ 5485.114305] hardirqs last  enabled at (1156148929): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 5485.114305] hardirqs last disabled at (1156148930): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5485.114305] softirqs last  enabled at (1156148688): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5485.114305] softirqs last disabled at (1156148683): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5485.114305] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5485.114305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5485.114305] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5485.114305] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 5485.114305] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 5485.114305] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 5485.114305] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 5485.114305] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5485.114305] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 5485.114305] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 5485.114305] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5485.114305] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5485.114305] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5485.114305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5485.114305] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5485.114305] Stack:
>[ 5485.114305]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 5485.114305]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 5485.114305]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 5485.114305] Call Trace:
>[ 5485.114305]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 5485.114305]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 5485.114305]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5485.114305]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5485.114305]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5485.114305]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5485.114305]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5485.114305]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5485.114305]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5485.114305]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5485.114305]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5485.114305] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 5513.114049] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5513.114049] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5513.114049] irq event stamp: 1162317682
>[ 5513.114049] hardirqs last  enabled at (1162317681): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 5513.114049] hardirqs last disabled at (1162317682): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5513.114049] softirqs last  enabled at (1162317494): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5513.114049] softirqs last disabled at (1162317489): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5513.114049] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5513.114049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5513.114049] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5513.114049] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 5513.114049] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 5513.114049] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 5513.114049] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 5513.114049] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5513.114049] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 5513.114049] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 5513.114049] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5513.114049] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5513.114049] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5513.114049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5513.114049] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5513.114049] Stack:
>[ 5513.114049]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 5513.114049]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 5513.114049]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 5513.114049] Call Trace:
>[ 5513.114049]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 5513.114049]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 5513.114049]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5513.114049]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5513.114049]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5513.114049]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5513.114049]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5513.114049]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5513.114049]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5513.114049]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5513.114049]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5513.114049] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 5541.114792] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5541.114792] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5541.114792] irq event stamp: 1168371976
>[ 5541.114792] hardirqs last  enabled at (1168371975): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5541.114792] hardirqs last disabled at (1168371976): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5541.114792] softirqs last  enabled at (1168371782): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5541.114792] softirqs last disabled at (1168371777): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5541.114792] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5541.114792] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5541.114792] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5541.114792] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5541.114792] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 5541.114792] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 5541.114792] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 5541.114792] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5541.114792] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5541.114792] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 5541.114792] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5541.114792] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5541.114792] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5541.114792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5541.114792] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5541.114792] Stack:
>[ 5541.114792]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 5541.114792]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5541.114792]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 5541.114792] Call Trace:
>[ 5541.114792]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 5541.114792]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5541.114792]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5541.114792]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5541.114792]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5541.114792]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5541.114792]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5541.114792]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5541.114792]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5541.114792] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5569.114484] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5569.114536] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5569.114536] irq event stamp: 1174541604
>[ 5569.114536] hardirqs last  enabled at (1174541603): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5569.114536] hardirqs last disabled at (1174541604): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5569.114536] softirqs last  enabled at (1174541408): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5569.114536] softirqs last disabled at (1174541403): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5569.114536] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5569.114536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5569.114536] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5569.114536] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5569.114536] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 5569.114536] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 5569.114536] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 5569.114536] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5569.114536] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5569.114536] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 5569.114536] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5569.114536] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5569.114536] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5569.114536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5569.114536] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5569.114536] Stack:
>[ 5569.114536]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 5569.114536]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 5569.114536]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5569.114536] Call Trace:
>[ 5569.114536]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 5569.114536]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 5569.114536]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5569.114536]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5569.114536]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5569.114536]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5569.114536]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5569.114536]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5569.114536]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5569.114536]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5569.114536] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5597.114279] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5597.114279] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5597.114279] irq event stamp: 1180516032
>[ 5597.114279] hardirqs last  enabled at (1180516031): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5597.114279] hardirqs last disabled at (1180516032): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5597.114279] softirqs last  enabled at (1180515814): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5597.114279] softirqs last disabled at (1180515809): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5597.114279] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5597.114279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5597.114279] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5597.114279] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5597.114279] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 5597.114279] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 5597.114279] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 5597.114279] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5597.114279] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5597.114279] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 5597.114279] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5597.114279] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5597.114279] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5597.114279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5597.114279] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5597.114279] Stack:
>[ 5597.114279]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 5597.114279]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 5597.114279]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5597.114279] Call Trace:
>[ 5597.114279]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 5597.114279]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 5597.114279]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5597.114279]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5597.114279]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5597.114279]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5597.114279]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5597.114279]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5597.114279]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5597.114279]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5597.114279] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5625.114022] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5625.114022] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5625.114022] irq event stamp: 1186661452
>[ 5625.114022] hardirqs last  enabled at (1186661451): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5625.114022] hardirqs last disabled at (1186661452): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5625.114022] softirqs last  enabled at (1186661244): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5625.114022] softirqs last disabled at (1186661239): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5625.114022] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5625.114022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5625.114022] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5625.114022] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5625.114022] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 5625.114022] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 5625.114022] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 5625.114022] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5625.114022] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5625.114022] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 5625.114022] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5625.114022] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5625.114022] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5625.114022] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5625.114022] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5625.114022] Stack:
>[ 5625.114022]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 5625.114022]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5625.114022]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 5625.114022] Call Trace:
>[ 5625.114022]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 5625.114022]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5625.114022]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5625.114022]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5625.114022]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5625.114022]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5625.114022]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5625.114022]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5625.114022]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5625.114022] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5653.114766] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5653.114766] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5653.114766] irq event stamp: 1192587172
>[ 5653.114766] hardirqs last  enabled at (1192587171): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5653.114766] hardirqs last disabled at (1192587172): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5653.114766] softirqs last  enabled at (1192586964): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5653.114766] softirqs last disabled at (1192586959): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5653.114766] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5653.114766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5653.114766] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5653.114766] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5653.114766] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 5653.114766] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5653.114766] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 5653.114766] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 5653.114766] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5653.114766] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 5653.114766] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5653.114766] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5653.114766] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5653.114766] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5653.114766] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5653.114766] Stack:
>[ 5653.114766]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 5653.114766]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 5653.114766]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 5653.114766] Call Trace:
>[ 5653.114766]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 5653.114766]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 5653.114766]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5653.114766]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5653.114766]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5653.114766]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5653.114766]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5653.114766]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5653.114766]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5653.114766]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5653.114766]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5653.114766] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5655.366423] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=5525142 jiffies, g=9748, c=9747, q=1)
>[ 5655.366423] INFO: Stall ended before state dump start
>[ 5681.114509] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5681.114509] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5681.114509] irq event stamp: 1198571214
>[ 5681.114509] hardirqs last  enabled at (1198571213): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5681.114509] hardirqs last disabled at (1198571214): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5681.114509] softirqs last  enabled at (1198571002): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5681.114509] softirqs last disabled at (1198570997): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5681.114509] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5681.114509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5681.114509] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5681.114509] RIP: 0010:[<ffffffff810c6924>]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 5681.114509] RSP: 0018:ffff8800184dbc88  EFLAGS: 00000246
>[ 5681.114509] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5681.114509] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 5681.114509] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5681.114509] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810d18d9
>[ 5681.114509] R13: ffff8800184dbc28 R14: ffff88001844a5f0 R15: 0000000000000006
>[ 5681.114509] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5681.114509] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5681.114509] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5681.114509] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5681.114509] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5681.114509] Stack:
>[ 5681.114509]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 5681.114509]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 5681.114509]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 5681.114509] Call Trace:
>[ 5681.114509]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 5681.114509]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5681.114509]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5681.114509]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5681.114509]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5681.114509]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5681.114509]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5681.114509]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5681.114509]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5681.114509]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5681.114509] Code: 54 53 48 89 fb e8 1d 98 69 00 4d 89 f8 49 89 c4 44 89 f2 44 89 ee 48 89 df 31 c9 e8 37 fd ff ff 4c 89 e6 48 89 df e8 cc 8f 69 00 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 90 66 66 66 66 90 55 48 8d 47 
>[ 5709.114252] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5709.114252] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5709.114252] irq event stamp: 1204362694
>[ 5709.114252] hardirqs last  enabled at (1204362693): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5709.114252] hardirqs last disabled at (1204362694): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5709.114252] softirqs last  enabled at (1204362482): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5709.114252] softirqs last disabled at (1204362477): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5709.114252] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5709.114252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5709.114252] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5709.114252] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5709.114252] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 5709.114252] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 5709.114252] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 5709.114252] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5709.114252] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5709.114252] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 5709.114252] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5709.114252] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5709.114252] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5709.114252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5709.114252] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5709.114252] Stack:
>[ 5709.114252]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 5709.114252]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5709.114252]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 5709.114252] Call Trace:
>[ 5709.114252]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 5709.114252]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5709.114252]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5709.114252]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5709.114252]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5709.114252]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5709.114252]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5709.114252]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5709.114252]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5709.114252] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5737.114996] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5737.114996] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5737.114996] irq event stamp: 1210609526
>[ 5737.114996] hardirqs last  enabled at (1210609525): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5737.114996] hardirqs last disabled at (1210609526): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5737.114996] softirqs last  enabled at (1210609316): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5737.114996] softirqs last disabled at (1210609311): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5737.114996] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5737.114996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5737.114996] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5737.114996] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 5737.114996] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 5737.114996] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5737.114996] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 5737.114996] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5737.114996] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5737.114996] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 5737.114996] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5737.114996] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5737.114996] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5737.114996] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5737.114996] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5737.114996] Stack:
>[ 5737.114996]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 5737.114996]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 5737.114996]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5737.114996] Call Trace:
>[ 5737.114996]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 5737.114996]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5737.114996]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5737.114996]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5737.114996]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5737.114996]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5737.114996]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5737.114996]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5737.114996]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5737.114996]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5737.114996] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 5765.114739] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5765.114739] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5765.114739] irq event stamp: 1216646074
>[ 5765.114739] hardirqs last  enabled at (1216646073): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5765.114739] hardirqs last disabled at (1216646074): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5765.114739] softirqs last  enabled at (1216645852): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5765.114739] softirqs last disabled at (1216645847): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5765.114739] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5765.114739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5765.114739] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5765.114739] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 5765.114739] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 5765.114739] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 5765.114739] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 5765.114739] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 5765.114739] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 5765.114739] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 5765.114739] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5765.114739] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5765.114739] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5765.114739] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5765.114739] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5765.114739] Stack:
>[ 5765.114739]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 5765.114739]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 5765.114739]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 5765.114739] Call Trace:
>[ 5765.114739]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 5765.114739]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 5765.114739]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5765.114739]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5765.114739]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5765.114739]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5765.114739]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5765.114739]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5765.114739]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5765.114739]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5765.114739]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5765.114739]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5765.114739] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 5793.114482] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5793.114482] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5793.114482] irq event stamp: 1222836988
>[ 5793.114482] hardirqs last  enabled at (1222836987): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 5793.114482] hardirqs last disabled at (1222836988): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5793.114482] softirqs last  enabled at (1222836772): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5793.114482] softirqs last disabled at (1222836767): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5793.114482] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5793.114482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5793.114482] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5793.114482] RIP: 0010:[<ffffffff8159ea60>]  [<ffffffff8159ea60>] md_check_recovery+0x280/0x4f0
>[ 5793.114482] RSP: 0018:ffff8800184dbcc0  EFLAGS: 00000246
>[ 5793.114482] RAX: 0000000000000200 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5793.114482] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 5793.114482] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5793.114482] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810d18d9
>[ 5793.114482] R13: ffff8800184dbc68 R14: ffff88001844a5f0 R15: 0000000000000006
>[ 5793.114482] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5793.114482] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5793.114482] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5793.114482] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5793.114482] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5793.114482] Stack:
>[ 5793.114482]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[ 5793.114482]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 5793.114482]  ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b ffff880019835068
>[ 5793.114482] Call Trace:
>[ 5793.114482]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5793.114482]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5793.114482]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5793.114482]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5793.114482]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5793.114482]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5793.114482]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5793.114482]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5793.114482]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5793.114482] Code: ff 0f 85 34 fe ff ff 48 83 bb 88 03 00 00 ff 0f 85 26 fe ff ff e9 49 fe ff ff 90 4c 89 e7 e8 08 0f 1c 00 e9 60 fe ff ff 0f 1f 00 <48> c7 83 68 01 00 00 00 00 00 00 3e 80 8b b8 01 00 00 01 3e 80 
>[ 5821.114226] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 5821.114226] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5821.114226] irq event stamp: 1228917590
>[ 5821.114226] hardirqs last  enabled at (1228917589): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5821.114226] hardirqs last disabled at (1228917590): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5821.114226] softirqs last  enabled at (1228917370): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5821.114226] softirqs last disabled at (1228917365): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5821.114226] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5821.114226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5821.114226] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5821.114226] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5821.114226] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 5821.114226] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 5821.114226] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 5821.114226] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5821.114226] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 5821.114226] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 5821.114226] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5821.114226] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5821.114226] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5821.114226] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5821.114226] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5821.114226] Stack:
>[ 5821.114226]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 5821.114226]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 5821.114226]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 5821.114226] Call Trace:
>[ 5821.114226]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 5821.114226]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5821.114226]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5821.114226]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5821.114226]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5821.114226]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5821.114226]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5821.114226]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5821.114226]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5821.114226] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5849.114969] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5849.114969] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5849.114969] irq event stamp: 1234990330
>[ 5849.114969] hardirqs last  enabled at (1234990329): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 5849.114969] hardirqs last disabled at (1234990330): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5849.114969] softirqs last  enabled at (1234990162): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5849.114969] softirqs last disabled at (1234990157): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5849.114969] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5849.114969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5849.114969] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5849.114969] RIP: 0010:[<ffffffff81594eb0>]  [<ffffffff81594eb0>] md_wakeup_thread+0x0/0x60
>[ 5849.114969] RSP: 0018:ffff8800184dbc98  EFLAGS: 00000292
>[ 5849.114969] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000000
>[ 5849.114969] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: ffff8800195c7450
>[ 5849.114969] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000001
>[ 5849.114969] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800184dbc68
>[ 5849.114969] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000
>[ 5849.114969] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5849.114969] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5849.114969] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5849.114969] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5849.114969] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5849.114969] Stack:
>[ 5849.114969]  ffffffff8159507b ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8
>[ 5849.114969]  ffffffff8159e94a ffff880019835068 ffff8800195c7450 ffff8800195c7460
>[ 5849.114969]  ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0 ffff880019835068
>[ 5849.114969] Call Trace:
>[ 5849.114969]  [<ffffffff8159507b>] ? mddev_unlock+0x8b/0xe0
>[ 5849.114969]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5849.114969]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5849.114969]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5849.114969]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5849.114969]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5849.114969]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5849.114969]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5849.114969]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5849.114969]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5849.114969]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5849.114969] Code: ff 48 c7 c7 40 cf cd 81 e8 de a9 1c 00 48 89 d8 5b 41 5c 5d c3 66 0f 1f 44 00 00 5b 41 5c 31 c0 5d c3 4c 89 e3 eb aa 0f 1f 40 00 <66> 66 66 66 90 55 48 85 ff 48 89 e5 53 48 89 fb 74 23 f6 05 39 
>[ 5850.341782] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=5720147 jiffies, g=9748, c=9747, q=1)
>[ 5850.341782] INFO: Stall ended before state dump start
>[ 5877.114712] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5877.114712] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5877.114712] irq event stamp: 1241153918
>[ 5877.114712] hardirqs last  enabled at (1241153917): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 5877.114712] hardirqs last disabled at (1241153918): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5877.114712] softirqs last  enabled at (1241153680): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5877.114712] softirqs last disabled at (1241153675): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5877.114712] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5877.114712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5877.114712] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5877.114712] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 5877.114712] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 5877.114712] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 5877.114712] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 5877.114712] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 5877.114712] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 5877.114712] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 5877.114712] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5877.114712] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5877.114712] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5877.114712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5877.114712] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5877.114712] Stack:
>[ 5877.114712]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 5877.114712]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 5877.114712]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 5877.114712] Call Trace:
>[ 5877.114712]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 5877.114712]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 5877.114712]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5877.114712]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5877.114712]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5877.114712]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5877.114712]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5877.114712]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5877.114712]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5877.114712]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5877.114712]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5877.114712] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 5905.114456] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5905.114456] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5905.114456] irq event stamp: 1247197966
>[ 5905.114456] hardirqs last  enabled at (1247197965): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5905.114456] hardirqs last disabled at (1247197966): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5905.114456] softirqs last  enabled at (1247197732): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5905.114456] softirqs last disabled at (1247197727): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5905.114456] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5905.114456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5905.114456] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5905.114456] RIP: 0010:[<ffffffff813588f0>]  [<ffffffff813588f0>] blk_finish_plug+0x30/0x40
>[ 5905.114456] RSP: 0018:ffff8800184dbcd0  EFLAGS: 00000246
>[ 5905.114456] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000000
>[ 5905.114456] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800184dbd50
>[ 5905.114456] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 5905.114456] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8800184dbc60
>[ 5905.114456] R13: ffffffff810ce35d R14: ffff88001844ad90 R15: 0000000000000002
>[ 5905.114456] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5905.114456] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5905.114456] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5905.114456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5905.114456] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5905.114456] Stack:
>[ 5905.114456]  ffff880019835098 ffff8800184dbdd8 ffffffffa021ffe1 ffff8800198350e0
>[ 5905.114456]  ffff880019835068 7fffffffffffffff ffff8800195c7450 ffff8800184dbe40
>[ 5905.114456]  ffffffff81390d9b ffff880019835068 0000000000000001 0000000000000001
>[ 5905.114456] Call Trace:
>[ 5905.114456]  [<ffffffffa021ffe1>] raid1d+0x6b1/0xe50 [raid1]
>[ 5905.114456]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5905.114456]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5905.114456]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5905.114456]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5905.114456]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5905.114456]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5905.114456]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5905.114456]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5905.114456] Code: 55 31 f6 48 89 e5 53 48 89 fb e8 1c f9 ff ff 65 48 8b 04 25 80 c9 00 00 48 39 98 38 12 00 00 74 0a 5b 5d c3 0f 1f 80 00 00 00 00 <48> c7 80 38 12 00 00 00 00 00 00 5b 5d c3 66 90 66 66 66 66 90 
>[ 5933.114199] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5933.114199] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5933.114199] irq event stamp: 1253158820
>[ 5933.114199] hardirqs last  enabled at (1253158819): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5933.114199] hardirqs last disabled at (1253158820): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5933.114199] softirqs last  enabled at (1253158590): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5933.114199] softirqs last disabled at (1253158585): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5933.114199] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5933.114199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5933.114199] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5933.114199] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5933.114199] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 5933.114199] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 5933.114199] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 5933.114199] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 5933.114199] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5933.114199] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 5933.114199] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5933.114199] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5933.114199] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5933.114199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5933.114199] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5933.114199] Stack:
>[ 5933.114199]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 5933.114199]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 5933.114199]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 5933.114199] Call Trace:
>[ 5933.114199]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 5933.114199]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 5933.114199]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 5933.114199]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5933.114199]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5933.114199]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5933.114199]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5933.114199]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5933.114199]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5933.114199]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5933.114199]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5933.114199]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5933.114199]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5933.114199] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 5961.114942] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5961.114942] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5961.114942] irq event stamp: 1259219596
>[ 5961.114942] hardirqs last  enabled at (1259219595): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5961.114942] hardirqs last disabled at (1259219596): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5961.114942] softirqs last  enabled at (1259219384): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5961.114942] softirqs last disabled at (1259219379): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5961.114942] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5961.114942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5961.114942] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5961.114942] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 5961.114942] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 5961.114942] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 5961.114942] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 5961.114942] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 5961.114942] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 5961.114942] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 5961.114942] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5961.114942] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5961.114942] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5961.114942] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5961.114942] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5961.114942] Stack:
>[ 5961.114942]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 5961.114942]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 5961.114942]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 5961.114942] Call Trace:
>[ 5961.114942]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 5961.114942]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 5961.114942]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 5961.114942]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5961.114942]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5961.114942]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5961.114942]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5961.114942]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5961.114942]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5961.114942]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5961.114942]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5961.114942]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5961.114942] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 5989.114686] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 5989.114686] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 5989.114686] irq event stamp: 1265380208
>[ 5989.114686] hardirqs last  enabled at (1265380207): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 5989.114686] hardirqs last disabled at (1265380208): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 5989.114686] softirqs last  enabled at (1265379994): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 5989.114686] softirqs last disabled at (1265379989): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 5989.114686] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 5989.114686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 5989.114686] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 5989.114686] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 5989.114686] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 5989.114686] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 5989.114686] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 5989.114686] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 5989.114686] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 5989.114686] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 5989.114686] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 5989.114686] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 5989.114686] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 5989.114686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 5989.114686] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 5989.114686] Stack:
>[ 5989.114686]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 5989.114686]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 5989.114686]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 5989.114686] Call Trace:
>[ 5989.114686]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 5989.114686]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 5989.114686]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 5989.114686]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 5989.114686]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 5989.114686]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 5989.114686]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 5989.114686]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 5989.114686]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5989.114686]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 5989.114686]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 5989.114686] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6017.114429] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6017.114429] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6017.114429] irq event stamp: 1271537576
>[ 6017.114429] hardirqs last  enabled at (1271537575): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6017.114429] hardirqs last disabled at (1271537576): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6017.114429] softirqs last  enabled at (1271537360): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6017.114429] softirqs last disabled at (1271537355): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6017.114429] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6017.114429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6017.114429] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6017.114429] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6017.114429] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 6017.114429] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 6017.114429] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 6017.114429] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 6017.114429] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6017.114429] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6017.114429] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6017.114429] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6017.114429] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6017.114429] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6017.114429] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6017.114429] Stack:
>[ 6017.114429]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 6017.114429]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6017.114429]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 6017.114429] Call Trace:
>[ 6017.114429]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6017.114429]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 6017.114429]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 6017.114429]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6017.114429]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6017.114429]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6017.114429]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6017.114429]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6017.114429]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6017.114429]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6017.114429]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6017.114429]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6017.114429]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6017.114429] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6045.114173] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6045.114173] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6045.114173] irq event stamp: 1277579146
>[ 6045.114173] hardirqs last  enabled at (1277579145): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6045.114173] hardirqs last disabled at (1277579146): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6045.114173] softirqs last  enabled at (1277578918): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6045.114173] softirqs last disabled at (1277578913): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6045.114173] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6045.114173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6045.114173] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6045.114173] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 6045.114173] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 6045.114173] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 6045.114173] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6045.114173] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 6045.114173] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 6045.114173] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 6045.114173] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6045.114173] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6045.114173] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6045.114173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6045.114173] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6045.114173] Stack:
>[ 6045.114173]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6045.114173]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 6045.114173]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 6045.114173] Call Trace:
>[ 6045.114173]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 6045.114173]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 6045.114173]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6045.114173]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6045.114173]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6045.114173]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6045.114173]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6045.114173]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6045.114173]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6045.114173]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6045.114173]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6045.114173]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6045.114173] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 6045.317142] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=5915152 jiffies, g=9748, c=9747, q=1)
>[ 6045.317142] INFO: Stall ended before state dump start
>[ 6073.114916] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6073.114916] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6073.114916] irq event stamp: 1283590708
>[ 6073.114916] hardirqs last  enabled at (1283590707): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6073.114916] hardirqs last disabled at (1283590708): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6073.114916] softirqs last  enabled at (1283590498): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6073.114916] softirqs last disabled at (1283590493): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6073.114916] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6073.114916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6073.114916] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6073.114916] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6073.114916] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 6073.114916] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6073.114916] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6073.114916] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6073.114916] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6073.114916] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6073.114916] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6073.114916] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6073.114916] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6073.114916] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6073.114916] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6073.114916] Stack:
>[ 6073.114916]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6073.114916]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6073.114916]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6073.114916] Call Trace:
>[ 6073.114916]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6073.114916]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6073.114916]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6073.114916]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6073.114916]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6073.114916]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6073.114916]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6073.114916]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6073.114916]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6073.114916]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6073.114916] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6101.114659] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6101.114659] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6101.114659] irq event stamp: 1289623546
>[ 6101.114659] hardirqs last  enabled at (1289623545): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6101.114659] hardirqs last disabled at (1289623546): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6101.114659] softirqs last  enabled at (1289623322): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6101.114659] softirqs last disabled at (1289623317): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6101.114659] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6101.114659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6101.114659] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6101.114659] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6101.114659] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 6101.114659] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 6101.114659] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 6101.114659] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 6101.114659] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6101.114659] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6101.114659] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6101.114659] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6101.114659] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6101.114659] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6101.114659] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6101.114659] Stack:
>[ 6101.114659]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 6101.114659]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6101.114659]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 6101.114659] Call Trace:
>[ 6101.114659]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6101.114659]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 6101.114659]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 6101.114659]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6101.114659]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6101.114659]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6101.114659]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6101.114659]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6101.114659]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6101.114659]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6101.114659]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6101.114659]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6101.114659]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6101.114659] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6129.114403] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6129.114403] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6129.114403] irq event stamp: 1295654306
>[ 6129.114403] hardirqs last  enabled at (1295654305): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6129.114403] hardirqs last disabled at (1295654306): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6129.114403] softirqs last  enabled at (1295654140): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6129.114403] softirqs last disabled at (1295654135): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6129.114403] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6129.114403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6129.114403] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6129.114403] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6129.114403] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 6129.114403] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6129.114403] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6129.114403] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6129.114403] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6129.114403] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6129.114403] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6129.114403] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6129.114403] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6129.114403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6129.114403] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6129.114403] Stack:
>[ 6129.114403]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6129.114403]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6129.114403]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6129.114403] Call Trace:
>[ 6129.114403]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6129.114403]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6129.114403]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6129.114403]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6129.114403]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6129.114403]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6129.114403]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6129.114403]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6129.114403]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6129.114403]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6129.114403] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6157.114146] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6157.114146] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6157.114146] irq event stamp: 1301831896
>[ 6157.114146] hardirqs last  enabled at (1301831895): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6157.114146] hardirqs last disabled at (1301831896): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6157.114146] softirqs last  enabled at (1301831676): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6157.114146] softirqs last disabled at (1301831671): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6157.114146] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6157.114146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6157.114146] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6157.114146] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6157.114146] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 6157.114146] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 6157.114146] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 6157.114146] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 6157.114146] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6157.114146] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 6157.114146] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6157.114146] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6157.114146] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6157.114146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6157.114146] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6157.114146] Stack:
>[ 6157.114146]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 6157.114146]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 6157.114146]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 6157.114146] Call Trace:
>[ 6157.114146]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6157.114146]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 6157.114146]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6157.114146]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6157.114146]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6157.114146]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6157.114146]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6157.114146]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6157.114146]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6157.114146]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6157.114146]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6157.114146] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6185.114889] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6185.114889] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6185.114889] irq event stamp: 1307986568
>[ 6185.114889] hardirqs last  enabled at (1307986567): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6185.114889] hardirqs last disabled at (1307986568): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6185.114889] softirqs last  enabled at (1307986356): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6185.114889] softirqs last disabled at (1307986351): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6185.114889] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6185.114889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6185.114889] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6185.114889] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 6185.114889] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 6185.114889] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 6185.114889] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 6185.114889] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 6185.114889] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 6185.114889] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 6185.114889] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6185.114889] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6185.114889] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6185.114889] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6185.114889] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6185.114889] Stack:
>[ 6185.114889]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 6185.114889]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 6185.114889]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 6185.114889] Call Trace:
>[ 6185.114889]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6185.114889]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 6185.114889]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6185.114889]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 6185.114889]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6185.114889]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6185.114889]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6185.114889]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6185.114889]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6185.114889]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6185.114889]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6185.114889]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6185.114889]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6185.114889]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6185.114889] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 6213.114633] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6213.114633] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6213.114633] irq event stamp: 1313991956
>[ 6213.114633] hardirqs last  enabled at (1313991955): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6213.114633] hardirqs last disabled at (1313991956): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6213.114633] softirqs last  enabled at (1313991744): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6213.114633] softirqs last disabled at (1313991739): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6213.114633] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6213.114633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6213.114633] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6213.114633] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 6213.114633] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 6213.114633] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 6213.114633] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6213.114633] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 6213.114633] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 6213.114633] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 6213.114633] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6213.114633] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6213.114633] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6213.114633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6213.114633] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6213.114633] Stack:
>[ 6213.114633]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6213.114633]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 6213.114633]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 6213.114633] Call Trace:
>[ 6213.114633]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 6213.114633]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 6213.114633]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6213.114633]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6213.114633]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6213.114633]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6213.114633]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6213.114633]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6213.114633]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6213.114633]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6213.114633]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6213.114633]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6213.114633] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 6240.292460] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=6110157 jiffies, g=9748, c=9747, q=1)
>[ 6240.292501] INFO: Stall ended before state dump start
>[ 6265.114727] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6265.114727] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6265.114727] irq event stamp: 1325474626
>[ 6265.114727] hardirqs last  enabled at (1325474625): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6265.114727] hardirqs last disabled at (1325474626): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6265.114727] softirqs last  enabled at (1325474424): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6265.114727] softirqs last disabled at (1325474419): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6265.114727] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6265.114727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6265.114727] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6265.114727] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6265.114727] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 6265.114727] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6265.114727] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6265.114727] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6265.114727] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6265.114727] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6265.114727] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6265.114727] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6265.114727] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6265.114727] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6265.114727] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6265.114727] Stack:
>[ 6265.114727]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6265.114727]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6265.114727]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6265.114727] Call Trace:
>[ 6265.114727]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6265.114727]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6265.114727]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6265.114727]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6265.114727]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6265.114727]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6265.114727]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6265.114727]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6265.114727]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6265.114727]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6265.114727] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6293.114471] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6293.114471] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6293.114471] irq event stamp: 1331595482
>[ 6293.114471] hardirqs last  enabled at (1331595481): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6293.114471] hardirqs last disabled at (1331595482): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6293.114471] softirqs last  enabled at (1331595288): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6293.114471] softirqs last disabled at (1331595283): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6293.114471] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6293.114471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6293.114471] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6293.114471] RIP: 0010:[<ffffffff810c6924>]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6293.114471] RSP: 0018:ffff8800184dbc88  EFLAGS: 00000246
>[ 6293.114471] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 6293.114471] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 6293.114471] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6293.114471] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810d18d9
>[ 6293.114471] R13: ffff8800184dbc28 R14: ffff88001844a5f0 R15: 0000000000000006
>[ 6293.114471] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6293.114471] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6293.114471] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6293.114471] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6293.114471] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6293.114471] Stack:
>[ 6293.114471]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 6293.114471]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 6293.114471]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 6293.114471] Call Trace:
>[ 6293.114471]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 6293.114471]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6293.114471]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6293.114471]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6293.114471]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6293.114471]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6293.114471]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6293.114471]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6293.114471]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6293.114471]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6293.114471] Code: 54 53 48 89 fb e8 1d 98 69 00 4d 89 f8 49 89 c4 44 89 f2 44 89 ee 48 89 df 31 c9 e8 37 fd ff ff 4c 89 e6 48 89 df e8 cc 8f 69 00 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 90 66 66 66 66 90 55 48 8d 47 
>[ 6321.114214] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6321.114214] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6321.114214] irq event stamp: 1337729526
>[ 6321.114214] hardirqs last  enabled at (1337729525): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6321.114214] hardirqs last disabled at (1337729526): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6321.114214] softirqs last  enabled at (1337729310): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6321.114214] softirqs last disabled at (1337729305): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6321.114214] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6321.114214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6321.114214] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6321.114214] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 6321.114214] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 6321.114214] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 6321.114214] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6321.114214] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 6321.114214] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 6321.114214] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 6321.114214] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6321.114214] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6321.114214] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6321.114214] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6321.114214] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6321.114214] Stack:
>[ 6321.114214]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6321.114214]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 6321.114214]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 6321.114214] Call Trace:
>[ 6321.114214]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 6321.114214]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 6321.114214]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6321.114214]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6321.114214]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6321.114214]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6321.114214]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6321.114214]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6321.114214]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6321.114214]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6321.114214]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6321.114214]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6321.114214] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 6349.114957] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6349.114957] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6349.114957] irq event stamp: 1343849136
>[ 6349.114957] hardirqs last  enabled at (1343849135): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6349.114957] hardirqs last disabled at (1343849136): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6349.114957] softirqs last  enabled at (1343848942): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6349.114957] softirqs last disabled at (1343848937): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6349.114957] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6349.114957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6349.114957] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6349.114957] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6349.114957] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 6349.114957] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 6349.114957] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 6349.114957] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 6349.114957] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6349.114957] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6349.114957] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6349.114957] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6349.114957] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6349.114957] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6349.114957] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6349.114957] Stack:
>[ 6349.114957]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 6349.114957]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6349.114957]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 6349.114957] Call Trace:
>[ 6349.114957]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6349.114957]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 6349.114957]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 6349.114957]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6349.114957]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6349.114957]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6349.114957]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6349.114957]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6349.114957]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6349.114957]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6349.114957]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6349.114957]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6349.114957]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6349.114957] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6377.114701] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6377.114701] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6377.114701] irq event stamp: 1350016320
>[ 6377.114701] hardirqs last  enabled at (1350016319): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6377.114701] hardirqs last disabled at (1350016320): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6377.114701] softirqs last  enabled at (1350016102): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6377.114701] softirqs last disabled at (1350016097): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6377.114701] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6377.114701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6377.114701] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6377.114701] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6377.114701] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 6377.114701] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6377.114701] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6377.114701] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6377.114701] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6377.114701] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6377.114701] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6377.114701] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6377.114701] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6377.114701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6377.114701] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6377.114701] Stack:
>[ 6377.114701]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6377.114701]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6377.114701]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6377.114701] Call Trace:
>[ 6377.114701]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6377.114701]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6377.114701]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6377.114701]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6377.114701]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6377.114701]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6377.114701]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6377.114701]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6377.114701]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6377.114701]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6377.114701] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6405.114444] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6405.114444] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6405.114444] irq event stamp: 1356145776
>[ 6405.114444] hardirqs last  enabled at (1356145775): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 6405.114444] hardirqs last disabled at (1356145776): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6405.114444] softirqs last  enabled at (1356145568): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6405.114444] softirqs last disabled at (1356145563): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6405.114444] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6405.114444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6405.114444] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6405.114444] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 6405.114444] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 6405.114444] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 6405.114444] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 6405.114444] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6405.114444] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 6405.114444] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6405.114444] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6405.114444] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6405.114444] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6405.114444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6405.114444] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6405.114444] Stack:
>[ 6405.114444]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 6405.114444]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 6405.114444]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 6405.114444] Call Trace:
>[ 6405.114444]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 6405.114444]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 6405.114444]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6405.114444]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6405.114444]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6405.114444]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6405.114444]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6405.114444]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6405.114444]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6405.114444]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6405.114444]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6405.114444] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 6433.114188] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6433.114188] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6433.114188] irq event stamp: 1362200678
>[ 6433.114188] hardirqs last  enabled at (1362200677): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6433.114188] hardirqs last disabled at (1362200678): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6433.114188] softirqs last  enabled at (1362200470): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6433.114188] softirqs last disabled at (1362200465): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6433.114188] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6433.114188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6433.114188] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6433.114188] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6433.114188] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 6433.114188] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 6433.114188] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 6433.114188] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 6433.114188] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6433.114188] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6433.114188] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6433.114188] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6433.114188] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6433.114188] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6433.114188] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6433.114188] Stack:
>[ 6433.114188]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 6433.114188]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6433.114188]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 6433.114188] Call Trace:
>[ 6433.114188]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6433.114188]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 6433.114188]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 6433.114188]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6433.114188]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6433.114188]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6433.114188]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6433.114188]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6433.114188]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6433.114188]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6433.114188]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6433.114188]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6433.114188]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6433.114188] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6435.267860] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=6305162 jiffies, g=9748, c=9747, q=1)
>[ 6435.267860] INFO: Stall ended before state dump start
>[ 6461.114931] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6461.114931] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6461.114931] irq event stamp: 1368463118
>[ 6461.114931] hardirqs last  enabled at (1368463117): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6461.114931] hardirqs last disabled at (1368463118): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6461.114931] softirqs last  enabled at (1368462894): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6461.114931] softirqs last disabled at (1368462889): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6461.114931] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6461.114931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6461.114931] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6461.114931] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6461.114931] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 6461.114931] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6461.114931] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6461.114931] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6461.114931] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6461.114931] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6461.114931] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6461.114931] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6461.114931] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6461.114931] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6461.114931] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6461.114931] Stack:
>[ 6461.114931]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6461.114931]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6461.114931]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6461.114931] Call Trace:
>[ 6461.114931]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6461.114931]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6461.114931]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6461.114931]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6461.114931]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6461.114931]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6461.114931]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6461.114931]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6461.114931]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6461.114931]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6461.114931] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6489.114674] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6489.114674] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6489.114674] irq event stamp: 1374508054
>[ 6489.114674] hardirqs last  enabled at (1374508053): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6489.114674] hardirqs last disabled at (1374508054): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6489.114674] softirqs last  enabled at (1374507844): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6489.114674] softirqs last disabled at (1374507839): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6489.114674] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6489.114674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6489.114674] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6489.114674] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6489.114674] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 6489.114674] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 6489.114674] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 6489.114674] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 6489.114674] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6489.114674] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 6489.114674] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6489.114674] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6489.114674] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6489.114674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6489.114674] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6489.114674] Stack:
>[ 6489.114674]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 6489.114674]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 6489.114674]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 6489.114674] Call Trace:
>[ 6489.114674]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6489.114674]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 6489.114674]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6489.114674]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6489.114674]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6489.114674]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6489.114674]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6489.114674]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6489.114674]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6489.114674]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6489.114674]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6489.114674] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6517.114418] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6517.114418] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6517.114418] irq event stamp: 1380637010
>[ 6517.114418] hardirqs last  enabled at (1380637009): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6517.114418] hardirqs last disabled at (1380637010): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6517.114418] softirqs last  enabled at (1380636796): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6517.114418] softirqs last disabled at (1380636791): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6517.114418] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6517.114418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6517.114418] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6517.114418] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6517.114418] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 6517.114418] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 6517.114418] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 6517.114418] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 6517.114418] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6517.114418] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 6517.114418] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6517.114418] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6517.114418] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6517.114418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6517.114418] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6517.114418] Stack:
>[ 6517.114418]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 6517.114418]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6517.114418]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 6517.114418] Call Trace:
>[ 6517.114418]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 6517.114418]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6517.114418]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6517.114418]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6517.114418]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6517.114418]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6517.114418]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6517.114418]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6517.114418]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6517.114418] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6545.114161] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6545.114161] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6545.114161] irq event stamp: 1386660932
>[ 6545.114161] hardirqs last  enabled at (1386660931): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6545.114161] hardirqs last disabled at (1386660932): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6545.114161] softirqs last  enabled at (1386660752): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6545.114161] softirqs last disabled at (1386660747): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6545.114161] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6545.114161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6545.114161] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6545.114161] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6545.114161] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 6545.114161] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6545.114161] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6545.114161] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6545.114161] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6545.114161] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6545.114161] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6545.114161] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6545.114161] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6545.114161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6545.114161] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6545.114161] Stack:
>[ 6545.114161]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6545.114161]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6545.114161]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6545.114161] Call Trace:
>[ 6545.114161]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6545.114161]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6545.114161]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6545.114161]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6545.114161]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6545.114161]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6545.114161]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6545.114161]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6545.114161]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6545.114161]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6545.114161] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6573.114904] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6573.114904] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6573.114904] irq event stamp: 1392785788
>[ 6573.114904] hardirqs last  enabled at (1392785787): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6573.114904] hardirqs last disabled at (1392785788): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6573.114904] softirqs last  enabled at (1392785564): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6573.114904] softirqs last disabled at (1392785559): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6573.114904] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6573.114904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6573.114904] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6573.114904] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 6573.114904] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 6573.114904] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 6573.114904] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6573.114904] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 6573.114904] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6573.114904] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 6573.114904] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6573.114904] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6573.114904] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6573.114904] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6573.114904] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6573.114904] Stack:
>[ 6573.114904]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 6573.114904]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 6573.114904]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 6573.114904] Call Trace:
>[ 6573.114904]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 6573.114904]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 6573.114904]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6573.114904]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6573.114904]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6573.114904]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6573.114904]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6573.114904]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6573.114904]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6573.114904]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6573.114904]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6573.114904]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6573.114904] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 6601.114648] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6601.114648] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6601.114648] irq event stamp: 1398890564
>[ 6601.114648] hardirqs last  enabled at (1398890563): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6601.114648] hardirqs last disabled at (1398890564): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6601.114648] softirqs last  enabled at (1398890388): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6601.114648] softirqs last disabled at (1398890383): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6601.114648] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6601.114648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6601.114648] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6601.114648] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 6601.114648] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 6601.114648] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 6601.114648] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6601.114648] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 6601.114648] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6601.114648] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 6601.114648] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6601.114648] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6601.114648] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6601.114648] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6601.114648] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6601.114648] Stack:
>[ 6601.114648]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 6601.114648]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 6601.114648]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 6601.114648] Call Trace:
>[ 6601.114648]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 6601.114648]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 6601.114648]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6601.114648]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6601.114648]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6601.114648]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6601.114648]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6601.114648]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6601.114648]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6601.114648]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6601.114648]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6601.114648]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6601.114648] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 6629.114391] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6629.114391] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6629.114391] irq event stamp: 1404951092
>[ 6629.114391] hardirqs last  enabled at (1404951091): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6629.114391] hardirqs last disabled at (1404951092): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6629.114391] softirqs last  enabled at (1404950882): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6629.114391] softirqs last disabled at (1404950877): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6629.114391] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6629.114391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6629.114391] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6629.114391] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 6629.114391] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 6629.114391] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 6629.114391] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6629.114391] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 6629.114391] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6629.114391] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 6629.114391] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6629.114391] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6629.114391] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6629.114391] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6629.114391] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6629.114391] Stack:
>[ 6629.114391]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 6629.114391]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 6629.114391]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 6629.114391] Call Trace:
>[ 6629.114391]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 6629.114391]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 6629.114391]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6629.114391]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6629.114391]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6629.114391]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6629.114391]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6629.114391]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6629.114391]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6629.114391]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6629.114391]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6629.114391]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6629.114391] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 6630.243219] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=6500167 jiffies, g=9748, c=9747, q=1)
>[ 6630.243219] INFO: Stall ended before state dump start
>[ 6657.114134] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6657.114134] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6657.114134] irq event stamp: 1411177120
>[ 6657.114134] hardirqs last  enabled at (1411177119): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6657.114134] hardirqs last disabled at (1411177120): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6657.114134] softirqs last  enabled at (1411176894): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6657.114134] softirqs last disabled at (1411176889): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6657.114134] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6657.114134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6657.114134] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6657.114134] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 6657.114134] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 6657.114134] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 6657.114134] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 6657.114134] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 6657.114134] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 6657.114134] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 6657.114134] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6657.114134] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6657.114134] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6657.114134] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6657.114134] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6657.114134] Stack:
>[ 6657.114134]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 6657.114134]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 6657.114134]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 6657.114134] Call Trace:
>[ 6657.114134]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6657.114134]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 6657.114134]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6657.114134]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 6657.114134]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6657.114134]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6657.114134]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6657.114134]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6657.114134]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6657.114134]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6657.114134]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6657.114134]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6657.114134]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6657.114134]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6657.114134] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 6685.114878] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6685.114878] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6685.114878] irq event stamp: 1417322064
>[ 6685.114878] hardirqs last  enabled at (1417322063): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6685.114878] hardirqs last disabled at (1417322064): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6685.114878] softirqs last  enabled at (1417321842): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6685.114878] softirqs last disabled at (1417321837): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6685.114878] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6685.114878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6685.114878] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6685.114878] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6685.114878] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 6685.114878] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 6685.114878] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 6685.114878] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 6685.114878] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6685.114878] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 6685.114878] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6685.114878] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6685.114878] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6685.114878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6685.114878] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6685.114878] Stack:
>[ 6685.114878]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 6685.114878]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6685.114878]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 6685.114878] Call Trace:
>[ 6685.114878]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 6685.114878]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6685.114878]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6685.114878]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6685.114878]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6685.114878]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6685.114878]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6685.114878]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6685.114878]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6685.114878] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6713.114621] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6713.114621] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6713.114621] irq event stamp: 1423274558
>[ 6713.114621] hardirqs last  enabled at (1423274557): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6713.114621] hardirqs last disabled at (1423274558): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6713.114621] softirqs last  enabled at (1423274336): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6713.114621] softirqs last disabled at (1423274331): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6713.114621] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6713.114621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6713.114621] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6713.114621] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6713.114621] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 6713.114621] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 6713.114621] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 6713.114621] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 6713.114621] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6713.114621] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 6713.114621] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6713.114621] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6713.114621] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6713.114621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6713.114621] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6713.114621] Stack:
>[ 6713.114621]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 6713.114621]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 6713.114621]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 6713.114621] Call Trace:
>[ 6713.114621]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6713.114621]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 6713.114621]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6713.114621]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6713.114621]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6713.114621]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6713.114621]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6713.114621]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6713.114621]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6713.114621]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6713.114621]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6713.114621] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6741.114364] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6741.114364] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6741.114364] irq event stamp: 1429515488
>[ 6741.114364] hardirqs last  enabled at (1429515487): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6741.114364] hardirqs last disabled at (1429515488): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6741.114364] softirqs last  enabled at (1429515266): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6741.114364] softirqs last disabled at (1429515261): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6741.114364] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6741.114364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6741.114364] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6741.114364] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 6741.114364] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 6741.114364] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 6741.114364] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 6741.114364] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 6741.114364] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 6741.114364] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 6741.114364] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6741.114364] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6741.114364] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6741.114364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6741.114364] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6741.114364] Stack:
>[ 6741.114364]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 6741.114364]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 6741.114364]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 6741.114364] Call Trace:
>[ 6741.114364]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6741.114364]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 6741.114364]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6741.114364]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 6741.114364]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6741.114364]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6741.114364]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6741.114364]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6741.114364]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6741.114364]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6741.114364]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6741.114364]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6741.114364]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6741.114364]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6741.114364] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 6769.114108] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6769.114108] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6769.114108] irq event stamp: 1435613802
>[ 6769.114108] hardirqs last  enabled at (1435613801): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6769.114108] hardirqs last disabled at (1435613802): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6769.114108] softirqs last  enabled at (1435613592): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6769.114108] softirqs last disabled at (1435613587): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6769.114108] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6769.114108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6769.114108] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6769.114108] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6769.114108] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 6769.114108] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6769.114108] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6769.114108] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6769.114108] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6769.114108] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6769.114108] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6769.114108] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6769.114108] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6769.114108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6769.114108] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6769.114108] Stack:
>[ 6769.114108]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6769.114108]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6769.114108]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6769.114108] Call Trace:
>[ 6769.114108]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6769.114108]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6769.114108]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6769.114108]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6769.114108]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6769.114108]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6769.114108]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6769.114108]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6769.114108]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6769.114108]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6769.114108] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6797.114851] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 6797.114851] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6797.114851] irq event stamp: 1441705348
>[ 6797.114851] hardirqs last  enabled at (1441705347): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6797.114851] hardirqs last disabled at (1441705348): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6797.114851] softirqs last  enabled at (1441705138): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6797.114851] softirqs last disabled at (1441705133): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6797.114851] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6797.114851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6797.114851] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6797.114851] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 6797.114851] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 6797.114851] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 6797.114851] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 6797.114851] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 6797.114851] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 6797.114851] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 6797.114851] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6797.114851] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6797.114851] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6797.114851] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6797.114851] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6797.114851] Stack:
>[ 6797.114851]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6797.114851]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 6797.114851]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 6797.114851] Call Trace:
>[ 6797.114851]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 6797.114851]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 6797.114851]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6797.114851]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6797.114851]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6797.114851]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6797.114851]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6797.114851]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6797.114851]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6797.114851]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6797.114851]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6797.114851]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6797.114851] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 6825.114594] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6825.114594] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6825.114594] irq event stamp: 1447730620
>[ 6825.114594] hardirqs last  enabled at (1447730619): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6825.114594] hardirqs last disabled at (1447730620): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6825.114594] softirqs last  enabled at (1447730408): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6825.114594] softirqs last disabled at (1447730403): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6825.114594] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6825.114594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6825.114594] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6825.114594] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6825.114594] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 6825.114594] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6825.114594] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6825.114594] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6825.114594] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6825.114594] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6825.114594] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6825.114594] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6825.114594] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6825.114594] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6825.114594] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6825.114594] Stack:
>[ 6825.114594]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6825.114594]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6825.114594]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6825.114594] Call Trace:
>[ 6825.114594]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6825.114594]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6825.114594]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6825.114594]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6825.114594]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6825.114594]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6825.114594]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6825.114594]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6825.114594]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6825.114594]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6825.114594] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6825.218577] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=6695172 jiffies, g=9748, c=9747, q=1)
>[ 6825.218579] INFO: Stall ended before state dump start
>[ 6853.114338] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6853.114338] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6853.114338] irq event stamp: 1453567318
>[ 6853.114338] hardirqs last  enabled at (1453567317): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6853.114338] hardirqs last disabled at (1453567318): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6853.114338] softirqs last  enabled at (1453567158): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6853.114338] softirqs last disabled at (1453567153): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6853.114338] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6853.114338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6853.114338] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6853.114338] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6853.114338] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 6853.114338] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 6853.114338] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 6853.114338] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 6853.114338] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6853.114338] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6853.114338] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6853.114338] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6853.114338] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6853.114338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6853.114338] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6853.114338] Stack:
>[ 6853.114338]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 6853.114338]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6853.114338]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 6853.114338] Call Trace:
>[ 6853.114338]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6853.114338]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 6853.114338]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 6853.114338]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6853.114338]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6853.114338]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6853.114338]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6853.114338]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6853.114338]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6853.114338]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6853.114338]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6853.114338]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6853.114338]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6853.114338] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 6881.114081] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6881.114081] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6881.114081] irq event stamp: 1459738868
>[ 6881.114081] hardirqs last  enabled at (1459738867): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 6881.114081] hardirqs last disabled at (1459738868): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6881.114081] softirqs last  enabled at (1459738642): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6881.114081] softirqs last disabled at (1459738637): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6881.114081] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6881.114081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6881.114081] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6881.114081] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 6881.114081] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 6881.114081] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 6881.114081] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 6881.114081] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6881.114081] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 6881.114081] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 6881.114081] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6881.114081] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6881.114081] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6881.114081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6881.114081] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6881.114081] Stack:
>[ 6881.114081]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 6881.114081]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 6881.114081]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 6881.114081] Call Trace:
>[ 6881.114081]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 6881.114081]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 6881.114081]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6881.114081]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6881.114081]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6881.114081]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6881.114081]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6881.114081]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6881.114081]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6881.114081]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6881.114081] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 6909.114824] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6909.114824] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6909.114824] irq event stamp: 1466003662
>[ 6909.114824] hardirqs last  enabled at (1466003661): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 6909.114824] hardirqs last disabled at (1466003662): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6909.114824] softirqs last  enabled at (1466003446): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6909.114824] softirqs last disabled at (1466003441): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6909.114824] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6909.114824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6909.114824] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6909.114824] RIP: 0010:[<ffffffff810d0778>]  [<ffffffff810d0778>] lock_acquired+0x118/0x420
>[ 6909.114824] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000286
>[ 6909.114824] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000000
>[ 6909.114824] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: 0000000000000286
>[ 6909.114824] RBP: ffff8800184dbc68 R08: 0000000000000000 R09: 0000000000000001
>[ 6909.114824] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 6909.114824] R13: ffffffff810b68ad R14: ffff8800184dbbb8 R15: ffffffff81021a39
>[ 6909.114824] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6909.114824] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6909.114824] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6909.114824] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6909.114824] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6909.114824] Stack:
>[ 6909.114824]  00000000810d1a65 0000000000000286 ffffffff81cdd240 ffffffff81cdd258
>[ 6909.114824]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 6909.114824]  ffffffff8175f65a ffffffff8159506f ffff8800188f0948 0000000000000000
>[ 6909.114824] Call Trace:
>[ 6909.114824]  [<ffffffff8175f65a>] _raw_spin_lock+0x6a/0x80
>[ 6909.114824]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 6909.114824]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 6909.114824]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6909.114824]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6909.114824]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6909.114824]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6909.114824]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6909.114824]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6909.114824]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6909.114824]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6909.114824]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6909.114824]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6909.114824] Code: df e0 ff ff 85 c0 74 b3 4d 3b 6e 10 0f 84 a9 00 00 00 65 48 8b 04 25 80 c9 00 00 48 8b 7d d0 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 
>[ 6937.114568] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6937.114568] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6937.114568] irq event stamp: 1472174582
>[ 6937.114568] hardirqs last  enabled at (1472174581): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 6937.114568] hardirqs last disabled at (1472174582): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6937.114568] softirqs last  enabled at (1472174358): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6937.114568] softirqs last disabled at (1472174353): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6937.114568] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6937.114568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6937.114568] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6937.114568] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 6937.114568] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 6937.114568] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 6937.114568] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 6937.114568] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 6937.114568] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 6937.114568] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6937.114568] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6937.114568] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6937.114568] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6937.114568] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6937.114568] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6937.114568] Stack:
>[ 6937.114568]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 6937.114568]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 6937.114568]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 6937.114568] Call Trace:
>[ 6937.114568]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 6937.114568]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 6937.114568]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6937.114568]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6937.114568]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6937.114568]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6937.114568]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6937.114568]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6937.114568]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6937.114568]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6937.114568]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6937.114568] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 6965.114311] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6965.114311] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6965.114311] irq event stamp: 1478130900
>[ 6965.114311] hardirqs last  enabled at (1478130899): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6965.114311] hardirqs last disabled at (1478130900): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6965.114311] softirqs last  enabled at (1478130688): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6965.114311] softirqs last disabled at (1478130683): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6965.114311] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6965.114311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6965.114311] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6965.114311] RIP: 0010:[<ffffffff813588c0>]  [<ffffffff813588c0>] blk_finish_plug+0x0/0x40
>[ 6965.114311] RSP: 0018:ffff8800184dbce0  EFLAGS: 00000246
>[ 6965.114311] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000000
>[ 6965.114311] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8800184dbd50
>[ 6965.114311] RBP: ffff8800184dbdd8 R08: 0000000000000000 R09: 0000000000000000
>[ 6965.114311] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844a5f0
>[ 6965.114311] R13: ffffffff810b6b7f R14: ffff8800184dbc60 R15: ffffffff810ce35d
>[ 6965.114311] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6965.114311] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6965.114311] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6965.114311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6965.114311] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6965.114311] Stack:
>[ 6965.114311]  ffffffffa021ffe1 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 6965.114311]  ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b ffff880019835068
>[ 6965.114311]  0000000000000001 0000000000000001 0000000000000001 0000000000000000
>[ 6965.114311] Call Trace:
>[ 6965.114311]  [<ffffffffa021ffe1>] ? raid1d+0x6b1/0xe50 [raid1]
>[ 6965.114311]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6965.114311]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6965.114311]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6965.114311]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6965.114311]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6965.114311]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6965.114311]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6965.114311]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6965.114311] Code: 0a c5 81 e8 83 65 d7 ff 85 c0 0f 85 4b fd ff ff e9 6a ff ff ff 48 c7 c7 20 0a c5 81 e8 6a 65 d7 ff 85 c0 0f 85 22 fe ff ff eb 96 <66> 66 66 66 90 55 31 f6 48 89 e5 53 48 89 fb e8 1c f9 ff ff 65 
>[ 6993.114055] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 6993.114055] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 6993.114055] irq event stamp: 1484060616
>[ 6993.114055] hardirqs last  enabled at (1484060615): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 6993.114055] hardirqs last disabled at (1484060616): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 6993.114055] softirqs last  enabled at (1484060390): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 6993.114055] softirqs last disabled at (1484060385): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 6993.114055] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 6993.114055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 6993.114055] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 6993.114055] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 6993.114055] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 6993.114055] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 6993.114055] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 6993.114055] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 6993.114055] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 6993.114055] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 6993.114055] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 6993.114055] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 6993.114055] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 6993.114055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 6993.114055] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 6993.114055] Stack:
>[ 6993.114055]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 6993.114055]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 6993.114055]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 6993.114055] Call Trace:
>[ 6993.114055]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 6993.114055]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 6993.114055]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 6993.114055]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 6993.114055]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 6993.114055]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 6993.114055]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 6993.114055]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 6993.114055]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 6993.114055]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 6993.114055]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6993.114055]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 6993.114055]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 6993.114055] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7020.193938] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=6890177 jiffies, g=9748, c=9747, q=1)
>[ 7020.193938] INFO: Stall ended before state dump start
>[ 7045.114149] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7045.114149] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7045.114149] irq event stamp: 1495383070
>[ 7045.114149] hardirqs last  enabled at (1495383069): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7045.114149] hardirqs last disabled at (1495383070): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7045.114149] softirqs last  enabled at (1495382852): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7045.114149] softirqs last disabled at (1495382847): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7045.114149] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7045.114149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7045.114149] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7045.114149] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7045.114149] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 7045.114149] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 7045.114149] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 7045.114149] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 7045.114149] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7045.114149] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 7045.114149] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7045.114149] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7045.114149] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7045.114149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7045.114149] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7045.114149] Stack:
>[ 7045.114149]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 7045.114149]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7045.114149]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 7045.114149] Call Trace:
>[ 7045.114149]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7045.114149]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 7045.114149]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 7045.114149]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7045.114149]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7045.114149]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7045.114149]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7045.114149]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7045.114149]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7045.114149]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7045.114149]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7045.114149]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7045.114149]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7045.114149] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7073.114893] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7073.114893] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7073.114893] irq event stamp: 1501621780
>[ 7073.114893] hardirqs last  enabled at (1501621779): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7073.114893] hardirqs last disabled at (1501621780): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7073.114893] softirqs last  enabled at (1501621566): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7073.114893] softirqs last disabled at (1501621561): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7073.114893] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7073.114893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7073.114893] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7073.114893] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7073.114893] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 7073.114893] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 7073.114893] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 7073.114893] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7073.114893] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7073.114893] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 7073.114893] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7073.114893] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7073.114893] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7073.114893] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7073.114893] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7073.114893] Stack:
>[ 7073.114893]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 7073.114893]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 7073.114893]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7073.114893] Call Trace:
>[ 7073.114893]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 7073.114893]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 7073.114893]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7073.114893]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7073.114893]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7073.114893]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7073.114893]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7073.114893]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7073.114893]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7073.114893]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7073.114893] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7101.114636] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7101.114636] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7101.114636] irq event stamp: 1507798022
>[ 7101.114636] hardirqs last  enabled at (1507798021): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7101.114636] hardirqs last disabled at (1507798022): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7101.114636] softirqs last  enabled at (1507797798): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7101.114636] softirqs last disabled at (1507797793): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7101.114636] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7101.114636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7101.114636] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7101.114636] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 7101.114636] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 7101.114636] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 7101.114636] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 7101.114636] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 7101.114636] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 7101.114636] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 7101.114636] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7101.114636] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7101.114636] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7101.114636] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7101.114636] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7101.114636] Stack:
>[ 7101.114636]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 7101.114636]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 7101.114636]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 7101.114636] Call Trace:
>[ 7101.114636]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 7101.114636]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7101.114636]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7101.114636]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7101.114636]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7101.114636]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7101.114636]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7101.114636] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 7129.114379] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7129.114379] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7129.114379] irq event stamp: 1513981228
>[ 7129.114379] hardirqs last  enabled at (1513981227): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 7129.114379] hardirqs last disabled at (1513981228): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7129.114379] softirqs last  enabled at (1513981026): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7129.114379] softirqs last disabled at (1513981021): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7129.114379] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7129.114379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7129.114379] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7129.114379] RIP: 0010:[<ffffffff8159e8a4>]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 7129.114379] RSP: 0018:ffff8800184dbcc0  EFLAGS: 00000282
>[ 7129.114379] RAX: 0000000000000001 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7129.114379] RDX: ffff88001844a5f0 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 7129.114379] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 7129.114379] R10: 0000000000000001 R11: 0000000000000080 R12: ffffffff8175ce14
>[ 7129.114379] R13: ffff88001844a5f0 R14: 0000000700000046 R15: ffffffff810d18d9
>[ 7129.114379] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7129.114379] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7129.114379] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7129.114379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7129.114379] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7129.114379] Stack:
>[ 7129.114379]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[ 7129.114379]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 7129.114379]  ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b ffff880019835068
>[ 7129.114379] Call Trace:
>[ 7129.114379]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7129.114379]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7129.114379]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7129.114379]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7129.114379]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7129.114379]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7129.114379]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7129.114379]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7129.114379]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7129.114379] Code: 1f 84 00 00 00 00 00 48 8b 83 b8 01 00 00 a8 20 74 e5 48 f7 43 28 fb ff ff ff 74 a0 0f 1f 00 48 8d bb 70 02 00 00 e8 9c e4 1b 00 <85> c0 74 c8 8b 73 38 85 f6 75 51 8b 8b a4 00 00 00 85 c9 0f 84 
>[ 7157.114123] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7157.114123] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7157.114123] irq event stamp: 1520190268
>[ 7157.114123] hardirqs last  enabled at (1520190267): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7157.114123] hardirqs last disabled at (1520190268): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7157.114123] softirqs last  enabled at (1520190044): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7157.114123] softirqs last disabled at (1520190039): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7157.114123] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7157.114123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7157.114123] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7157.114123] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7157.114123] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 7157.114123] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 7157.114123] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 7157.114123] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 7157.114123] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7157.114123] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 7157.114123] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7157.114123] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7157.114123] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7157.114123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7157.114123] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7157.114123] Stack:
>[ 7157.114123]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 7157.114123]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7157.114123]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 7157.114123] Call Trace:
>[ 7157.114123]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7157.114123]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 7157.114123]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 7157.114123]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7157.114123]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7157.114123]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7157.114123]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7157.114123]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7157.114123]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7157.114123]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7157.114123]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7157.114123]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7157.114123]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7157.114123] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7185.114866] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7185.114866] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7185.114866] irq event stamp: 1526079322
>[ 7185.114866] hardirqs last  enabled at (1526079321): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7185.114866] hardirqs last disabled at (1526079322): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7185.114866] softirqs last  enabled at (1526079154): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7185.114866] softirqs last disabled at (1526079149): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7185.114866] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7185.114866] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7185.114866] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7185.114866] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7185.114866] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 7185.114866] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 7185.114866] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 7185.114866] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7185.114866] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7185.114866] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 7185.114866] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7185.114866] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7185.114866] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7185.114866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7185.114866] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7185.114866] Stack:
>[ 7185.114866]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 7185.114866]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 7185.114866]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7185.114866] Call Trace:
>[ 7185.114866]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 7185.114866]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 7185.114866]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7185.114866]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7185.114866]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7185.114866]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7185.114866]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7185.114866]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7185.114866]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7185.114866]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7185.114866] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7213.114610] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7213.114610] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7213.114610] irq event stamp: 1531793394
>[ 7213.114610] hardirqs last  enabled at (1531793393): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7213.114610] hardirqs last disabled at (1531793394): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7213.114610] softirqs last  enabled at (1531793196): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7213.114610] softirqs last disabled at (1531793191): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7213.114610] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7213.114610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7213.114610] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7213.114610] RIP: 0010:[<ffffffff8175cd5f>]  [<ffffffff8175cd5f>] mutex_trylock+0x1f/0x1b0
>[ 7213.114610] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 7213.114610] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000000
>[ 7213.114610] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800188f0bb8
>[ 7213.114610] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7213.114610] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 7213.114610] R13: ffffffff810b68ad R14: ffff8800184dbc18 R15: ffffffff81021a39
>[ 7213.114610] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7213.114610] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7213.114610] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7213.114610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7213.114610] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7213.114610] Stack:
>[ 7213.114610]  ffff8800184dbc88 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 7213.114610]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 7213.114610]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 7213.114610] Call Trace:
>[ 7213.114610]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 7213.114610]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7213.114610]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7213.114610]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7213.114610]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7213.114610]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7213.114610]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7213.114610]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7213.114610]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7213.114610]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7213.114610] Code: 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 48 83 ec 08 8b 15 fd 18 22 01 85 d2 75 13 <65> 8b 04 25 60 c9 00 00 a9 00 ff 1f 00 0f 85 1f 01 00 00 9c 58 
>[ 7215.169297] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=7085182 jiffies, g=9748, c=9747, q=1)
>[ 7215.169297] INFO: Stall ended before state dump start
>[ 7241.114350] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7241.114353] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7241.114353] irq event stamp: 1537747294
>[ 7241.114353] hardirqs last  enabled at (1537747293): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 7241.114353] hardirqs last disabled at (1537747294): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7241.114353] softirqs last  enabled at (1537747104): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7241.114353] softirqs last disabled at (1537747099): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7241.114353] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7241.114353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7241.114353] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7241.114353] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 7241.114353] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 7241.114353] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 7241.114353] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 7241.114353] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 7241.114353] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7241.114353] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 7241.114353] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7241.114353] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7241.114353] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7241.114353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7241.114353] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7241.114353] Stack:
>[ 7241.114353]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 7241.114353]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 7241.114353]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 7241.114353] Call Trace:
>[ 7241.114353]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 7241.114353]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 7241.114353]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7241.114353]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7241.114353]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7241.114353]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7241.114353]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7241.114353]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7241.114353]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7241.114353]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7241.114353]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7241.114353]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7241.114353] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[ 7269.114096] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7269.114096] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7269.114096] irq event stamp: 1543854692
>[ 7269.114096] hardirqs last  enabled at (1543854691): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7269.114096] hardirqs last disabled at (1543854692): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7269.114096] softirqs last  enabled at (1543854470): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7269.114096] softirqs last disabled at (1543854465): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7269.114096] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7269.114096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7269.114096] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7269.114096] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7269.114096] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 7269.114096] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7269.114096] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 7269.114096] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7269.114096] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7269.114096] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 7269.114096] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7269.114096] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7269.114096] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7269.114096] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7269.114096] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7269.114096] Stack:
>[ 7269.114096]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 7269.114096]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 7269.114096]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7269.114096] Call Trace:
>[ 7269.114096]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 7269.114096]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7269.114096]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7269.114096]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7269.114096]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7269.114096]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7269.114096]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7269.114096]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7269.114096]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7269.114096]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7269.114096] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7297.114840] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7297.114840] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7297.114840] irq event stamp: 1549980078
>[ 7297.114840] hardirqs last  enabled at (1549980077): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7297.114840] hardirqs last disabled at (1549980078): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7297.114840] softirqs last  enabled at (1549979882): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7297.114840] softirqs last disabled at (1549979877): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7297.114840] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7297.114840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7297.114840] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7297.114840] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7297.114840] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 7297.114840] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 7297.114840] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 7297.114840] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 7297.114840] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7297.114840] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 7297.114840] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7297.114840] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7297.114840] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7297.114840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7297.114840] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7297.114840] Stack:
>[ 7297.114840]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 7297.114840]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7297.114840]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 7297.114840] Call Trace:
>[ 7297.114840]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 7297.114840]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7297.114840]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7297.114840]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7297.114840]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7297.114840]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7297.114840]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7297.114840]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7297.114840]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7297.114840] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7325.114583] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7325.114583] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7325.114583] irq event stamp: 1555992088
>[ 7325.114583] hardirqs last  enabled at (1555992087): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7325.114583] hardirqs last disabled at (1555992088): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7325.114583] softirqs last  enabled at (1555991890): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7325.114583] softirqs last disabled at (1555991885): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7325.114583] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7325.114583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7325.114583] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7325.114583] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7325.114583] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 7325.114583] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7325.114583] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 7325.114583] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 7325.114583] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7325.114583] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 7325.114583] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7325.114583] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7325.114583] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7325.114583] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7325.114583] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7325.114583] Stack:
>[ 7325.114583]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 7325.114583]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 7325.114583]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 7325.114583] Call Trace:
>[ 7325.114583]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7325.114583]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 7325.114583]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7325.114583]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7325.114583]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7325.114583]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7325.114583]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7325.114583]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7325.114583]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7325.114583]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7325.114583]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7325.114583] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7353.114326] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7353.114326] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7353.114326] irq event stamp: 1561965592
>[ 7353.114326] hardirqs last  enabled at (1561965591): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7353.114326] hardirqs last disabled at (1561965592): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7353.114326] softirqs last  enabled at (1561965368): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7353.114326] softirqs last disabled at (1561965363): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7353.114326] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7353.114326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7353.114326] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7353.114326] RIP: 0010:[<ffffffff815950c0>]  [<ffffffff815950c0>] mddev_unlock+0xd0/0xe0
>[ 7353.114326] RSP: 0018:ffff8800184dbca0  EFLAGS: 00000246
>[ 7353.114326] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000006
>[ 7353.114326] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff8800188f0948
>[ 7353.114326] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7353.114326] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
>[ 7353.114326] R13: ffffffff8175f926 R14: ffff88001844a5f0 R15: 000000071844adc8
>[ 7353.114326] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7353.114326] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7353.114326] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7353.114326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7353.114326] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7353.114326] Stack:
>[ 7353.114326]  ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a
>[ 7353.114326]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[ 7353.114326]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 7353.114326] Call Trace:
>[ 7353.114326]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7353.114326]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7353.114326]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7353.114326]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7353.114326]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7353.114326]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7353.114326]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7353.114326]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7353.114326]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7353.114326]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7353.114326] Code: c7 c6 20 cf cd 81 e8 c0 27 cf ff 48 8b bb a8 03 00 00 48 85 ff 74 05 e8 5f 21 cf ff 48 c7 83 a8 03 00 00 00 00 00 00 eb 9e 66 90 <48> 8d bf 70 02 00 00 e8 c4 7f 1c 00 eb 95 66 90 66 66 66 66 90 
>[ 7381.114070] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7381.114070] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7381.114070] irq event stamp: 1567905786
>[ 7381.114070] hardirqs last  enabled at (1567905785): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 7381.114070] hardirqs last disabled at (1567905786): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7381.114070] softirqs last  enabled at (1567905578): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7381.114070] softirqs last disabled at (1567905573): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7381.114070] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7381.114070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7381.114070] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7381.114070] RIP: 0010:[<ffffffff810d0778>]  [<ffffffff810d0778>] lock_acquired+0x118/0x420
>[ 7381.114070] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000286
>[ 7381.114070] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000000
>[ 7381.114070] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: 0000000000000286
>[ 7381.114070] RBP: ffff8800184dbc68 R08: 0000000000000000 R09: 0000000000000001
>[ 7381.114070] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 7381.114070] R13: ffffffff810b68ad R14: ffff8800184dbbb8 R15: ffffffff81021a39
>[ 7381.114070] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7381.114070] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7381.114070] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7381.114070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7381.114070] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7381.114070] Stack:
>[ 7381.114070]  00000000810d1a65 0000000000000286 ffffffff81cdd240 ffffffff81cdd258
>[ 7381.114070]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 7381.114070]  ffffffff8175f65a ffffffff8159506f ffff8800188f0948 0000000000000000
>[ 7381.114070] Call Trace:
>[ 7381.114070]  [<ffffffff8175f65a>] _raw_spin_lock+0x6a/0x80
>[ 7381.114070]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7381.114070]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 7381.114070]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7381.114070]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7381.114070]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7381.114070]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7381.114070]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7381.114070]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7381.114070]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7381.114070]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7381.114070]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7381.114070]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7381.114070] Code: df e0 ff ff 85 c0 74 b3 4d 3b 6e 10 0f 84 a9 00 00 00 65 48 8b 04 25 80 c9 00 00 48 8b 7d d0 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 
>[ 7409.114813] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7409.114813] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7409.114813] irq event stamp: 1573925554
>[ 7409.114813] hardirqs last  enabled at (1573925553): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7409.114813] hardirqs last disabled at (1573925554): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7409.114813] softirqs last  enabled at (1573925340): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7409.114813] softirqs last disabled at (1573925335): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7409.114813] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7409.114813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7409.114813] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7409.114813] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 7409.114813] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 7409.114813] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 7409.114813] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 7409.114813] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 7409.114813] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 7409.114813] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 7409.114813] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7409.114813] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7409.114813] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7409.114813] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7409.114813] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7409.114813] Stack:
>[ 7409.114813]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7409.114813]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 7409.114813]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 7409.114813] Call Trace:
>[ 7409.114813]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 7409.114813]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 7409.114813]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7409.114813]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7409.114813]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7409.114813]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7409.114813]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7409.114813]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7409.114813]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7409.114813]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7409.114813]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7409.114813]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7409.114813] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 7410.144656] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=7280187 jiffies, g=9748, c=9747, q=1)
>[ 7410.144656] INFO: Stall ended before state dump start
>[ 7437.114556] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7437.114556] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7437.114556] irq event stamp: 1579995912
>[ 7437.114556] hardirqs last  enabled at (1579995911): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7437.114556] hardirqs last disabled at (1579995912): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7437.114556] softirqs last  enabled at (1579995708): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7437.114556] softirqs last disabled at (1579995703): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7437.114556] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7437.114556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7437.114556] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7437.114556] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7437.114556] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 7437.114556] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7437.114556] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 7437.114556] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 7437.114556] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7437.114556] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 7437.114556] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7437.114556] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7437.114556] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7437.114556] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7437.114556] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7437.114556] Stack:
>[ 7437.114556]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 7437.114556]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 7437.114556]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 7437.114556] Call Trace:
>[ 7437.114556]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7437.114556]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 7437.114556]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7437.114556]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7437.114556]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7437.114556]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7437.114556]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7437.114556]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7437.114556]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7437.114556]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7437.114556]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7437.114556] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7465.114300] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7465.114300] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7465.114300] irq event stamp: 1586034736
>[ 7465.114300] hardirqs last  enabled at (1586034735): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7465.114300] hardirqs last disabled at (1586034736): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7465.114300] softirqs last  enabled at (1586034524): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7465.114300] softirqs last disabled at (1586034519): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7465.114300] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7465.114300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7465.114300] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7465.114300] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 7465.114300] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 7465.114300] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 7465.114300] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 7465.114300] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 7465.114300] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 7465.114300] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 7465.114300] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7465.114300] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7465.114300] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7465.114300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7465.114300] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7465.114300] Stack:
>[ 7465.114300]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7465.114300]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 7465.114300]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 7465.114300] Call Trace:
>[ 7465.114300]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 7465.114300]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 7465.114300]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7465.114300]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7465.114300]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7465.114300]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7465.114300]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7465.114300]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7465.114300]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7465.114300]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7465.114300]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7465.114300]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7465.114300] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 7493.114043] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7493.114043] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7493.114043] irq event stamp: 1591970688
>[ 7493.114043] hardirqs last  enabled at (1591970687): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7493.114043] hardirqs last disabled at (1591970688): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7493.114043] softirqs last  enabled at (1591970474): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7493.114043] softirqs last disabled at (1591970469): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7493.114043] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7493.114043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7493.114043] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7493.114043] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7493.114043] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 7493.114043] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 7493.114043] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 7493.114043] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7493.114043] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7493.114043] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 7493.114043] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7493.114043] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7493.114043] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7493.114043] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7493.114043] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7493.114043] Stack:
>[ 7493.114043]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 7493.114043]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 7493.114043]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7493.114043] Call Trace:
>[ 7493.114043]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 7493.114043]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 7493.114043]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7493.114043]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7493.114043]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7493.114043]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7493.114043]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7493.114043]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7493.114043]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7493.114043]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7493.114043] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7521.114786] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7521.114786] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7521.114786] irq event stamp: 1597950596
>[ 7521.114786] hardirqs last  enabled at (1597950595): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7521.114786] hardirqs last disabled at (1597950596): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7521.114786] softirqs last  enabled at (1597950384): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7521.114786] softirqs last disabled at (1597950379): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7521.114786] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7521.114786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7521.114786] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7521.114786] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 7521.114786] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 7521.114786] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 7521.114786] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 7521.114786] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 7521.114786] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 7521.114786] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 7521.114786] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7521.114786] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7521.114786] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7521.114786] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7521.114786] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7521.114786] Stack:
>[ 7521.114786]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 7521.114786]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 7521.114786]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 7521.114786] Call Trace:
>[ 7521.114786]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 7521.114786]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7521.114786]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7521.114786]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7521.114786]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7521.114786]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7521.114786]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7521.114786] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 7549.114487] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7549.114530] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7549.114530] irq event stamp: 1603764438
>[ 7549.114530] hardirqs last  enabled at (1603764437): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 7549.114530] hardirqs last disabled at (1603764438): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7549.114530] softirqs last  enabled at (1603764260): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7549.114530] softirqs last disabled at (1603764255): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7549.114530] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7549.114530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7549.114530] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7549.114530] RIP: 0010:[<ffffffff8175f5f0>]  [<ffffffff8175f5f0>] _raw_spin_lock+0x0/0x80
>[ 7549.114530] RSP: 0018:ffff8800184dbc98  EFLAGS: 00000246
>[ 7549.114530] RAX: ffff88001844a5f0 RBX: 0000000000000246 RCX: 0000000000000000
>[ 7549.114530] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81cdd240
>[ 7549.114530] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7549.114530] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844a5f0
>[ 7549.114530] R13: 000000071844ad90 R14: ffff88001844a5f0 R15: ffffffff810b6b7f
>[ 7549.114530] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7549.114530] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7549.114530] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7549.114530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7549.114530] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7549.114530] Stack:
>[ 7549.114530]  ffffffff8159506f ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8
>[ 7549.114530]  ffffffff8159e94a ffff880019835068 ffff8800195c7450 ffff8800195c7460
>[ 7549.114530]  ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0 ffff880019835068
>[ 7549.114530] Call Trace:
>[ 7549.114530]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7549.114530]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7549.114530]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7549.114530]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7549.114530]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7549.114530]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7549.114530]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7549.114530]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7549.114530]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7549.114530]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7549.114530]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7549.114530] Code: 8d 7b 18 45 31 c9 41 b8 02 00 00 00 31 c9 ba 01 00 00 00 31 f6 48 89 04 24 e8 2d 4b 97 ff 48 83 c4 10 b8 01 00 00 00 5b 5d c3 90 <66> 66 66 66 90 55 48 89 e5 41 54 53 48 89 fb 48 83 ec 08 65 ff 
>[ 7577.114273] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7577.114273] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7577.114273] irq event stamp: 1609840762
>[ 7577.114273] hardirqs last  enabled at (1609840761): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7577.114273] hardirqs last disabled at (1609840762): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7577.114273] softirqs last  enabled at (1609840536): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7577.114273] softirqs last disabled at (1609840531): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7577.114273] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7577.114273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7577.114273] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7577.114273] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7577.114273] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 7577.114273] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7577.114273] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 7577.114273] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7577.114273] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7577.114273] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 7577.114273] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7577.114273] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7577.114273] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7577.114273] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7577.114273] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7577.114273] Stack:
>[ 7577.114273]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 7577.114273]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 7577.114273]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7577.114273] Call Trace:
>[ 7577.114273]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 7577.114273]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7577.114273]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7577.114273]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7577.114273]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7577.114273]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7577.114273]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7577.114273]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7577.114273]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7577.114273]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7577.114273] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7605.114017] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7605.114017] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7605.114017] irq event stamp: 1615820276
>[ 7605.114017] hardirqs last  enabled at (1615820275): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7605.114017] hardirqs last disabled at (1615820276): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7605.114017] softirqs last  enabled at (1615820058): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7605.114017] softirqs last disabled at (1615820053): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7605.114017] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7605.114017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7605.114017] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7605.114017] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7605.114017] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 7605.114017] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 7605.114017] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 7605.114017] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 7605.114017] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7605.114017] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 7605.114017] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7605.114017] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7605.114017] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7605.114017] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7605.114017] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7605.114017] Stack:
>[ 7605.114017]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 7605.114017]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7605.114017]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 7605.114017] Call Trace:
>[ 7605.114017]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7605.114017]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 7605.114017]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 7605.114017]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7605.114017]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7605.114017]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7605.114017]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7605.114017]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7605.114017]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7605.114017]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7605.114017]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7605.114017]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7605.114017]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7605.114017] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7605.120016] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=7475192 jiffies, g=9748, c=9747, q=1)
>[ 7605.120016] INFO: Stall ended before state dump start
>[ 7633.114760] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7633.114760] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7633.114760] irq event stamp: 1621794084
>[ 7633.114760] hardirqs last  enabled at (1621794083): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7633.114760] hardirqs last disabled at (1621794084): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7633.114760] softirqs last  enabled at (1621793862): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7633.114760] softirqs last disabled at (1621793857): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7633.114760] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7633.114760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7633.114760] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7633.114760] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7633.114760] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 7633.114760] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7633.114760] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 7633.114760] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 7633.114760] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7633.114760] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 7633.114760] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7633.114760] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7633.114760] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7633.114760] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7633.114760] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7633.114760] Stack:
>[ 7633.114760]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 7633.114760]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 7633.114760]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 7633.114760] Call Trace:
>[ 7633.114760]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7633.114760]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 7633.114760]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7633.114760]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7633.114760]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7633.114760]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7633.114760]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7633.114760]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7633.114760]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7633.114760]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7633.114760]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7633.114760] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7661.114503] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7661.114503] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7661.114503] irq event stamp: 1627821116
>[ 7661.114503] hardirqs last  enabled at (1627821115): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 7661.114503] hardirqs last disabled at (1627821116): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7661.114503] softirqs last  enabled at (1627820906): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7661.114503] softirqs last disabled at (1627820901): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7661.114503] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7661.114503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7661.114503] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7661.114503] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 7661.114503] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 7661.114503] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 7661.114503] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 7661.114503] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7661.114503] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 7661.114503] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 7661.114503] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7661.114503] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7661.114503] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7661.114503] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7661.114503] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7661.114503] Stack:
>[ 7661.114503]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 7661.114503]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 7661.114503]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 7661.114503] Call Trace:
>[ 7661.114503]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 7661.114503]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 7661.114503]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7661.114503]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7661.114503]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7661.114503]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7661.114503]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7661.114503]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7661.114503]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7661.114503]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7661.114503]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7661.114503] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 7689.114247] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7689.114247] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7689.114247] irq event stamp: 1633931432
>[ 7689.114247] hardirqs last  enabled at (1633931431): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7689.114247] hardirqs last disabled at (1633931432): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7689.114247] softirqs last  enabled at (1633931210): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7689.114247] softirqs last disabled at (1633931205): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7689.114247] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7689.114247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7689.114247] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7689.114247] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7689.114247] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 7689.114247] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7689.114247] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 7689.114247] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7689.114247] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7689.114247] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 7689.114247] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7689.114247] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7689.114247] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7689.114247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7689.114247] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7689.114247] Stack:
>[ 7689.114247]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 7689.114247]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 7689.114247]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7689.114247] Call Trace:
>[ 7689.114247]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 7689.114247]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7689.114247]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7689.114247]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7689.114247]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7689.114247]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7689.114247]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7689.114247]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7689.114247]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7689.114247]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7689.114247] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7717.114990] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7717.114990] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7717.114990] irq event stamp: 1639890346
>[ 7717.114990] hardirqs last  enabled at (1639890345): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7717.114990] hardirqs last disabled at (1639890346): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7717.114990] softirqs last  enabled at (1639890110): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7717.114990] softirqs last disabled at (1639890105): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7717.114990] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7717.114990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7717.114990] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7717.114990] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7717.114990] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 7717.114990] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7717.114990] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 7717.114990] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 7717.114990] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7717.114990] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 7717.114990] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7717.114990] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7717.114990] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7717.114990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7717.114990] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7717.114990] Stack:
>[ 7717.114990]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 7717.114990]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 7717.114990]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 7717.114990] Call Trace:
>[ 7717.114990]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7717.114990]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 7717.114990]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7717.114990]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7717.114990]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7717.114990]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7717.114990]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7717.114990]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7717.114990]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7717.114990]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7717.114990]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7717.114990] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7745.114733] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7745.114733] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7745.114733] irq event stamp: 1645716086
>[ 7745.114733] hardirqs last  enabled at (1645716085): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7745.114733] hardirqs last disabled at (1645716086): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7745.114733] softirqs last  enabled at (1645715854): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7745.114733] softirqs last disabled at (1645715849): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7745.114733] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7745.114733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7745.114733] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7745.114733] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7745.114733] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 7745.114733] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 7745.114733] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 7745.114733] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 7745.114733] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7745.114733] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 7745.114733] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7745.114733] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7745.114733] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7745.114733] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7745.114733] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7745.114733] Stack:
>[ 7745.114733]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 7745.114733]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7745.114733]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 7745.114733] Call Trace:
>[ 7745.114733]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7745.114733]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 7745.114733]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 7745.114733]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7745.114733]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7745.114733]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7745.114733]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7745.114733]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7745.114733]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7745.114733]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7745.114733]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7745.114733]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7745.114733]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7745.114733] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7773.114477] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7773.114477] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7773.114477] irq event stamp: 1651654514
>[ 7773.114477] hardirqs last  enabled at (1651654513): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7773.114477] hardirqs last disabled at (1651654514): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7773.114477] softirqs last  enabled at (1651654342): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7773.114477] softirqs last disabled at (1651654337): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7773.114477] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7773.114477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7773.114477] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7773.114477] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[ 7773.114477] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[ 7773.114477] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[ 7773.114477] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[ 7773.114477] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[ 7773.114477] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 7773.114477] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[ 7773.114477] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7773.114477] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7773.114477] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7773.114477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7773.114477] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7773.114477] Stack:
>[ 7773.114477]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7773.114477]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[ 7773.114477]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[ 7773.114477] Call Trace:
>[ 7773.114477]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[ 7773.114477]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[ 7773.114477]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7773.114477]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7773.114477]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7773.114477]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7773.114477]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7773.114477]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7773.114477]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7773.114477]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7773.114477]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7773.114477]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7773.114477] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[ 7800.095375] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=7670197 jiffies, g=9748, c=9747, q=1)
>[ 7800.095375] INFO: Stall ended before state dump start
>[ 7825.114554] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7825.114571] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7825.114571] irq event stamp: 1662685496
>[ 7825.114571] hardirqs last  enabled at (1662685495): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7825.114571] hardirqs last disabled at (1662685496): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7825.114571] softirqs last  enabled at (1662685298): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7825.114571] softirqs last disabled at (1662685293): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7825.114571] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7825.114571] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7825.114571] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7825.114571] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7825.114571] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 7825.114571] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 7825.114571] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 7825.114571] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7825.114571] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7825.114571] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 7825.114571] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7825.114571] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7825.114571] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7825.114571] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7825.114571] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7825.114571] Stack:
>[ 7825.114571]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 7825.114571]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 7825.114571]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7825.114571] Call Trace:
>[ 7825.114571]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 7825.114571]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 7825.114571]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7825.114571]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7825.114571]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7825.114571]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7825.114571]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7825.114571]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7825.114571]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7825.114571]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7825.114571] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7853.114315] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7853.114315] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7853.114315] irq event stamp: 1668507094
>[ 7853.114315] hardirqs last  enabled at (1668507093): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7853.114315] hardirqs last disabled at (1668507094): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7853.114315] softirqs last  enabled at (1668506876): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7853.114315] softirqs last disabled at (1668506871): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7853.114315] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7853.114315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7853.114315] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7853.114315] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7853.114315] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 7853.114315] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 7853.114315] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 7853.114315] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 7853.114315] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7853.114315] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 7853.114315] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7853.114315] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7853.114315] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7853.114315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7853.114315] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7853.114315] Stack:
>[ 7853.114315]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 7853.114315]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 7853.114315]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 7853.114315] Call Trace:
>[ 7853.114315]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7853.114315]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 7853.114315]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7853.114315]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7853.114315]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7853.114315]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7853.114315]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7853.114315]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7853.114315]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7853.114315]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7853.114315]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7853.114315] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7881.114058] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7881.114058] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7881.114058] irq event stamp: 1674630184
>[ 7881.114058] hardirqs last  enabled at (1674630183): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 7881.114058] hardirqs last disabled at (1674630184): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7881.114058] softirqs last  enabled at (1674629992): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7881.114058] softirqs last disabled at (1674629987): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7881.114058] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7881.114058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7881.114058] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7881.114058] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 7881.114058] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 7881.114058] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 7881.114058] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 7881.114058] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 7881.114058] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 7881.114058] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 7881.114058] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7881.114058] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7881.114058] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7881.114058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7881.114058] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7881.114058] Stack:
>[ 7881.114058]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 7881.114058]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 7881.114058]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 7881.114058] Call Trace:
>[ 7881.114058]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7881.114058]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 7881.114058]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7881.114058]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 7881.114058]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7881.114058]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7881.114058]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7881.114058]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7881.114058]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7881.114058]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7881.114058]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7881.114058]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7881.114058]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7881.114058]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7881.114058] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 7909.114801] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 7909.114801] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7909.114801] irq event stamp: 1680558486
>[ 7909.114801] hardirqs last  enabled at (1680558485): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 7909.114801] hardirqs last disabled at (1680558486): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7909.114801] softirqs last  enabled at (1680558288): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7909.114801] softirqs last disabled at (1680558283): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7909.114801] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7909.114801] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7909.114801] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7909.114801] RIP: 0010:[<ffffffff810d0778>]  [<ffffffff810d0778>] lock_acquired+0x118/0x420
>[ 7909.114801] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000286
>[ 7909.114801] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000000
>[ 7909.114801] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: 0000000000000286
>[ 7909.114801] RBP: ffff8800184dbc68 R08: 0000000000000000 R09: 0000000000000001
>[ 7909.114801] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88001f1d5d00
>[ 7909.114801] R13: ffffffff810b68ad R14: ffff8800184dbbb8 R15: ffffffff81021a39
>[ 7909.114801] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7909.114801] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7909.114801] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7909.114801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7909.114801] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7909.114801] Stack:
>[ 7909.114801]  00000000810d1a65 0000000000000286 ffffffff81cdd240 ffffffff81cdd258
>[ 7909.114801]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 7909.114801]  ffffffff8175f65a ffffffff8159506f ffff8800188f0948 0000000000000000
>[ 7909.114801] Call Trace:
>[ 7909.114801]  [<ffffffff8175f65a>] _raw_spin_lock+0x6a/0x80
>[ 7909.114801]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7909.114801]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 7909.114801]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7909.114801]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7909.114801]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7909.114801]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7909.114801]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7909.114801]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7909.114801]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7909.114801]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7909.114801]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7909.114801]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7909.114801] Code: df e0 ff ff 85 c0 74 b3 4d 3b 6e 10 0f 84 a9 00 00 00 65 48 8b 04 25 80 c9 00 00 48 8b 7d d0 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 
>[ 7937.114545] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7937.114545] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7937.114545] irq event stamp: 1686679386
>[ 7937.114545] hardirqs last  enabled at (1686679385): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 7937.114545] hardirqs last disabled at (1686679386): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7937.114545] softirqs last  enabled at (1686679158): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7937.114545] softirqs last disabled at (1686679153): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7937.114545] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7937.114545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7937.114545] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7937.114545] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 7937.114545] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 7937.114545] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 7937.114545] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 7937.114545] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 7937.114545] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 7937.114545] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 7937.114545] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7937.114545] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7937.114545] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7937.114545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7937.114545] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7937.114545] Stack:
>[ 7937.114545]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 7937.114545]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 7937.114545]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 7937.114545] Call Trace:
>[ 7937.114545]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7937.114545]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 7937.114545]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 7937.114545]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 7937.114545]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7937.114545]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7937.114545]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7937.114545]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7937.114545]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7937.114545]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7937.114545]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7937.114545]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7937.114545]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7937.114545]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7937.114545] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 7965.114288] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7965.114288] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7965.114288] irq event stamp: 1692635698
>[ 7965.114288] hardirqs last  enabled at (1692635697): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 7965.114288] hardirqs last disabled at (1692635698): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7965.114288] softirqs last  enabled at (1692635460): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7965.114288] softirqs last disabled at (1692635455): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7965.114288] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7965.114288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7965.114288] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7965.114288] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 7965.114288] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 7965.114288] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 7965.114288] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 7965.114288] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 7965.114288] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 7965.114288] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 7965.114288] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7965.114288] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7965.114288] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7965.114288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7965.114288] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7965.114288] Stack:
>[ 7965.114288]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 7965.114288]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 7965.114288]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 7965.114288] Call Trace:
>[ 7965.114288]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 7965.114288]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 7965.114288]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 7965.114288]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 7965.114288]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 7965.114288]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7965.114288]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7965.114288]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7965.114288]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7965.114288]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7965.114288]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7965.114288]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7965.114288]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7965.114288] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 7993.114032] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 7993.114032] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 7993.114032] irq event stamp: 1698660440
>[ 7993.114032] hardirqs last  enabled at (1698660439): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 7993.114032] hardirqs last disabled at (1698660440): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 7993.114032] softirqs last  enabled at (1698660228): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 7993.114032] softirqs last disabled at (1698660223): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 7993.114032] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 7993.114032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 7993.114032] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 7993.114032] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 7993.114032] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 7993.114032] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 7993.114032] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 7993.114032] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 7993.114032] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 7993.114032] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 7993.114032] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 7993.114032] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 7993.114032] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 7993.114032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 7993.114032] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 7993.114032] Stack:
>[ 7993.114032]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 7993.114032]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 7993.114032]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 7993.114032] Call Trace:
>[ 7993.114032]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 7993.114032]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 7993.114032]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 7993.114032]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 7993.114032]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 7993.114032]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 7993.114032]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 7993.114032]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7993.114032]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 7993.114032]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 7993.114032] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 7995.070734] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=7865202 jiffies, g=9748, c=9747, q=1)
>[ 7995.070734] INFO: Stall ended before state dump start
>[ 8021.114775] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8021.114775] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8021.114775] irq event stamp: 1704604272
>[ 8021.114775] hardirqs last  enabled at (1704604271): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8021.114775] hardirqs last disabled at (1704604272): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8021.114775] softirqs last  enabled at (1704604050): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8021.114775] softirqs last disabled at (1704604045): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8021.114775] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8021.114775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8021.114775] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8021.114775] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8021.114775] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8021.114775] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8021.114775] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8021.114775] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8021.114775] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8021.114775] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8021.114775] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8021.114775] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8021.114775] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8021.114775] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8021.114775] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8021.114775] Stack:
>[ 8021.114775]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8021.114775]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8021.114775]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8021.114775] Call Trace:
>[ 8021.114775]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8021.114775]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8021.114775]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8021.114775]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8021.114775]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8021.114775]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8021.114775]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8021.114775]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8021.114775]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8021.114775] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8049.114518] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8049.114518] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8049.114518] irq event stamp: 1710469890
>[ 8049.114518] hardirqs last  enabled at (1710469889): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8049.114518] hardirqs last disabled at (1710469890): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8049.114518] softirqs last  enabled at (1710469686): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8049.114518] softirqs last disabled at (1710469681): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8049.114518] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8049.114518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8049.114518] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8049.114518] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8049.114518] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8049.114518] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8049.114518] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8049.114518] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8049.114518] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8049.114518] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8049.114518] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8049.114518] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8049.114518] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8049.114518] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8049.114518] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8049.114518] Stack:
>[ 8049.114518]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8049.114518]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8049.114518]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8049.114518] Call Trace:
>[ 8049.114518]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8049.114518]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8049.114518]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8049.114518]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8049.114518]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8049.114518]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8049.114518]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8049.114518]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8049.114518]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8049.114518]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8049.114518] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8077.114262] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8077.114262] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8077.114262] irq event stamp: 1716256866
>[ 8077.114262] hardirqs last  enabled at (1716256865): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8077.114262] hardirqs last disabled at (1716256866): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8077.114262] softirqs last  enabled at (1716256656): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8077.114262] softirqs last disabled at (1716256651): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8077.114262] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8077.114262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8077.114262] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8077.114262] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8077.114262] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8077.114262] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8077.114262] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8077.114262] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8077.114262] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8077.114262] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8077.114262] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8077.114262] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8077.114262] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8077.114262] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8077.114262] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8077.114262] Stack:
>[ 8077.114262]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8077.114262]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8077.114262]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8077.114262] Call Trace:
>[ 8077.114262]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8077.114262]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8077.114262]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8077.114262]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8077.114262]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8077.114262]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8077.114262]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8077.114262]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8077.114262]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8077.114262]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8077.114262] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8105.114005] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8105.114005] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8105.114005] irq event stamp: 1722053034
>[ 8105.114005] hardirqs last  enabled at (1722053033): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 8105.114005] hardirqs last disabled at (1722053034): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8105.114005] softirqs last  enabled at (1722052882): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8105.114005] softirqs last disabled at (1722052877): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8105.114005] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8105.114005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8105.114005] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8105.114005] RIP: 0010:[<ffffffff8175d09e>]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 8105.114005] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 8105.114005] RAX: ffff88001844a5f0 RBX: 0000000000000246 RCX: 0000000000000000
>[ 8105.114005] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 8105.114005] RBP: ffff8800184dbc90 R08: 0000000000000000 R09: 0000000000000000
>[ 8105.114005] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844a5f0
>[ 8105.114005] R13: 000000071844ad90 R14: ffff88001844a5f0 R15: ffffffff810b6b7f
>[ 8105.114005] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8105.114005] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8105.114005] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8105.114005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8105.114005] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8105.114005] Stack:
>[ 8105.114005]  ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948 ffff8800188f0d48
>[ 8105.114005]  ffff8800184dbcd8 ffffffff8159e94a ffff880019835068 ffff8800195c7450
>[ 8105.114005]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 8105.114005] Call Trace:
>[ 8105.114005]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 8105.114005]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8105.114005]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8105.114005]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8105.114005]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8105.114005]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8105.114005]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8105.114005]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8105.114005]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8105.114005]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8105.114005]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8105.114005] Code: fe ff ff f3 90 0f b7 53 08 66 39 c2 75 f5 e9 c8 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 e8 52 fe ff ff <5d> c3 66 66 66 66 90 55 48 89 e5 53 48 8b 87 a8 00 00 00 48 89 
>[ 8133.114748] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8133.114748] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8133.114748] irq event stamp: 1728063376
>[ 8133.114748] hardirqs last  enabled at (1728063375): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8133.114748] hardirqs last disabled at (1728063376): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8133.114748] softirqs last  enabled at (1728063152): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8133.114748] softirqs last disabled at (1728063147): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8133.114748] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8133.114748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8133.114748] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8133.114748] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8133.114748] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8133.114748] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8133.114748] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8133.114748] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8133.114748] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8133.114748] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8133.114748] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8133.114748] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8133.114748] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8133.114748] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8133.114748] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8133.114748] Stack:
>[ 8133.114748]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8133.114748]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8133.114748]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8133.114748] Call Trace:
>[ 8133.114748]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8133.114748]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8133.114748]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8133.114748]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8133.114748]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8133.114748]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8133.114748]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8133.114748]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8133.114748]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8133.114748] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8161.114492] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8161.114492] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8161.114492] irq event stamp: 1734047822
>[ 8161.114492] hardirqs last  enabled at (1734047821): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8161.114492] hardirqs last disabled at (1734047822): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8161.114492] softirqs last  enabled at (1734047592): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8161.114492] softirqs last disabled at (1734047587): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8161.114492] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8161.114492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8161.114492] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8161.114492] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8161.114492] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 8161.114492] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 8161.114492] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 8161.114492] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 8161.114492] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8161.114492] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 8161.114492] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8161.114492] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8161.114492] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8161.114492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8161.114492] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8161.114492] Stack:
>[ 8161.114492]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 8161.114492]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 8161.114492]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 8161.114492] Call Trace:
>[ 8161.114492]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 8161.114492]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 8161.114492]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 8161.114492]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8161.114492]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8161.114492]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8161.114492]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8161.114492]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8161.114492]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8161.114492]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8161.114492]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8161.114492]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8161.114492]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8161.114492] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8189.114235] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8189.114235] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8189.114235] irq event stamp: 1740015152
>[ 8189.114235] hardirqs last  enabled at (1740015151): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8189.114235] hardirqs last disabled at (1740015152): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8189.114235] softirqs last  enabled at (1740014932): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8189.114235] softirqs last disabled at (1740014927): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8189.114235] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8189.114235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8189.114235] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8189.114235] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8189.114235] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8189.114235] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8189.114235] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8189.114235] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8189.114235] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8189.114235] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8189.114235] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8189.114235] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8189.114235] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8189.114235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8189.114235] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8189.114235] Stack:
>[ 8189.114235]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8189.114235]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8189.114235]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8189.114235] Call Trace:
>[ 8189.114235]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8189.114235]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8189.114235]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8189.114235]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8189.114235]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8189.114235]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8189.114235]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8189.114235]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8189.114235]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8189.114235]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8189.114235] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8190.046073] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=8060207 jiffies, g=9748, c=9747, q=1)
>[ 8190.046093] INFO: Stall ended before state dump start
>[ 8217.114978] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8217.114978] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8217.114978] irq event stamp: 1746070004
>[ 8217.114978] hardirqs last  enabled at (1746070003): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 8217.114978] hardirqs last disabled at (1746070004): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8217.114978] softirqs last  enabled at (1746069808): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8217.114978] softirqs last disabled at (1746069803): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8217.114978] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8217.114978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8217.114978] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8217.114978] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 8217.114978] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 8217.114978] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 8217.114978] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 8217.114978] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 8217.114978] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 8217.114978] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 8217.114978] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8217.114978] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8217.114978] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8217.114978] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8217.114978] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8217.114978] Stack:
>[ 8217.114978]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 8217.114978]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 8217.114978]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 8217.114978] Call Trace:
>[ 8217.114978]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 8217.114978]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 8217.114978]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 8217.114978]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 8217.114978]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8217.114978]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8217.114978]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8217.114978]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8217.114978]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8217.114978]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8217.114978]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8217.114978]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8217.114978]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8217.114978]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8217.114978] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 8245.114689] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8245.114722] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8245.114722] irq event stamp: 1752211648
>[ 8245.114722] hardirqs last  enabled at (1752211647): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8245.114722] hardirqs last disabled at (1752211648): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8245.114722] softirqs last  enabled at (1752211488): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8245.114722] softirqs last disabled at (1752211483): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8245.114722] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8245.114722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8245.114722] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8245.114722] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8245.114722] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8245.114722] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8245.114722] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8245.114722] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8245.114722] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8245.114722] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8245.114722] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8245.114722] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8245.114722] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8245.114722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8245.114722] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8245.114722] Stack:
>[ 8245.114722]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8245.114722]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8245.114722]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8245.114722] Call Trace:
>[ 8245.114722]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8245.114722]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8245.114722]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8245.114722]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8245.114722]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8245.114722]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8245.114722]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8245.114722]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8245.114722]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8245.114722]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8245.114722] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8273.114465] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8273.114465] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8273.114465] irq event stamp: 1758258742
>[ 8273.114465] hardirqs last  enabled at (1758258741): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8273.114465] hardirqs last disabled at (1758258742): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8273.114465] softirqs last  enabled at (1758258532): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8273.114465] softirqs last disabled at (1758258527): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8273.114465] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8273.114465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8273.114465] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8273.114465] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8273.114465] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8273.114465] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8273.114465] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8273.114465] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8273.114465] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8273.114465] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8273.114465] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8273.114465] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8273.114465] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8273.114465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8273.114465] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8273.114465] Stack:
>[ 8273.114465]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8273.114465]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8273.114465]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8273.114465] Call Trace:
>[ 8273.114465]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8273.114465]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8273.114465]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8273.114465]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8273.114465]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8273.114465]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8273.114465]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8273.114465]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8273.114465]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8273.114465] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8301.114208] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8301.114208] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8301.114208] irq event stamp: 1764288574
>[ 8301.114208] hardirqs last  enabled at (1764288573): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8301.114208] hardirqs last disabled at (1764288574): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8301.114208] softirqs last  enabled at (1764288398): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8301.114208] softirqs last disabled at (1764288393): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8301.114208] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8301.114208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8301.114208] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8301.114208] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8301.114208] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8301.114208] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8301.114208] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8301.114208] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8301.114208] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8301.114208] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8301.114208] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8301.114208] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8301.114208] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8301.114208] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8301.114208] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8301.114208] Stack:
>[ 8301.114208]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8301.114208]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8301.114208]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8301.114208] Call Trace:
>[ 8301.114208]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8301.114208]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8301.114208]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8301.114208]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8301.114208]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8301.114208]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8301.114208]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8301.114208]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8301.114208]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8301.114208]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8301.114208] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8329.114952] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8329.114952] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8329.114952] irq event stamp: 1770439880
>[ 8329.114952] hardirqs last  enabled at (1770439879): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 8329.114952] hardirqs last disabled at (1770439880): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8329.114952] softirqs last  enabled at (1770439662): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8329.114952] softirqs last disabled at (1770439657): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8329.114952] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8329.114952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8329.114952] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8329.114952] RIP: 0010:[<ffffffff8175f7f0>]  [<ffffffff8175f7f0>] _raw_spin_lock_irq+0x0/0x80
>[ 8329.114952] RSP: 0018:ffff8800184dbcb8  EFLAGS: 00000246
>[ 8329.114952] RAX: 0000000000000001 RBX: ffffffff8175ce14 RCX: 0000000000000000
>[ 8329.114952] RDX: ffff88001844a5f0 RSI: 0000000000000000 RDI: ffff8800188f0d48
>[ 8329.114952] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8329.114952] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000700000046
>[ 8329.114952] R13: ffffffff810d18d9 R14: ffff8800184dbc50 R15: ffff88001844a5f0
>[ 8329.114952] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8329.114952] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8329.114952] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8329.114952] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8329.114952] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8329.114952] Stack:
>[ 8329.114952]  ffffffff8159e97f ffff880019835068 ffff8800195c7450 ffff8800195c7460
>[ 8329.114952]  ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0 ffff880019835068
>[ 8329.114952]  7fffffffffffffff ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b
>[ 8329.114952] Call Trace:
>[ 8329.114952]  [<ffffffff8159e97f>] ? md_check_recovery+0x19f/0x4f0
>[ 8329.114952]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8329.114952]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8329.114952]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8329.114952]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8329.114952]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8329.114952]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8329.114952]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8329.114952]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8329.114952]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8329.114952] Code: ff 48 89 df e8 72 81 97 ff 48 8b 75 08 4c 89 e7 e8 86 0e 97 ff 48 83 c4 08 5b 41 5c 5d c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 54 53 48 89 fb 48 83 ec 08 fa 66 
>[ 8357.114695] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8357.114695] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8357.114695] irq event stamp: 1776505698
>[ 8357.114695] hardirqs last  enabled at (1776505697): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8357.114695] hardirqs last disabled at (1776505698): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8357.114695] softirqs last  enabled at (1776505484): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8357.114695] softirqs last disabled at (1776505479): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8357.114695] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8357.114695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8357.114695] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8357.114695] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8357.114695] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8357.114695] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8357.114695] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8357.114695] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8357.114695] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8357.114695] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8357.114695] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8357.114695] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8357.114695] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8357.114695] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8357.114695] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8357.114695] Stack:
>[ 8357.114695]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8357.114695]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8357.114695]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8357.114695] Call Trace:
>[ 8357.114695]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8357.114695]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8357.114695]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8357.114695]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8357.114695]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8357.114695]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8357.114695]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8357.114695]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8357.114695]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8357.114695] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8385.021453] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=8255212 jiffies, g=9748, c=9747, q=1)
>[ 8385.021453] INFO: Stall ended before state dump start
>[ 8409.114790] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8409.114790] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8409.114790] irq event stamp: 1787552242
>[ 8409.114790] hardirqs last  enabled at (1787552241): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8409.114790] hardirqs last disabled at (1787552242): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8409.114790] softirqs last  enabled at (1787552018): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8409.114790] softirqs last disabled at (1787552013): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8409.114790] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8409.114790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8409.114790] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8409.114790] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8409.114790] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8409.114790] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8409.114790] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8409.114790] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8409.114790] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8409.114790] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8409.114790] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8409.114790] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8409.114790] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8409.114790] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8409.114790] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8409.114790] Stack:
>[ 8409.114790]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8409.114790]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8409.114790]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8409.114790] Call Trace:
>[ 8409.114790]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8409.114790]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8409.114790]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8409.114790]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8409.114790]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8409.114790]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8409.114790]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8409.114790]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8409.114790]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8409.114790]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8409.114790] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8437.114533] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8437.114533] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8437.114533] irq event stamp: 1793765742
>[ 8437.114533] hardirqs last  enabled at (1793765741): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8437.114533] hardirqs last disabled at (1793765742): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8437.114533] softirqs last  enabled at (1793765568): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8437.114533] softirqs last disabled at (1793765563): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8437.114533] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8437.114533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8437.114533] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8437.114533] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8437.114533] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8437.114533] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8437.114533] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8437.114533] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8437.114533] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8437.114533] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8437.114533] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8437.114533] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8437.114533] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8437.114533] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8437.114533] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8437.114533] Stack:
>[ 8437.114533]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8437.114533]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8437.114533]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8437.114533] Call Trace:
>[ 8437.114533]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8437.114533]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8437.114533]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8437.114533]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8437.114533]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8437.114533]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8437.114533]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8437.114533]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8437.114533]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8437.114533]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8437.114533] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8465.114277] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8465.114277] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8465.114277] irq event stamp: 1799682532
>[ 8465.114277] hardirqs last  enabled at (1799682531): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8465.114277] hardirqs last disabled at (1799682532): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8465.114277] softirqs last  enabled at (1799682308): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8465.114277] softirqs last disabled at (1799682303): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8465.114277] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8465.114277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8465.114277] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8465.114277] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8465.114277] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8465.114277] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8465.114277] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8465.114277] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8465.114277] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8465.114277] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8465.114277] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8465.114277] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8465.114277] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8465.114277] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8465.114277] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8465.114277] Stack:
>[ 8465.114277]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8465.114277]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8465.114277]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8465.114277] Call Trace:
>[ 8465.114277]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8465.114277]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8465.114277]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8465.114277]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8465.114277]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8465.114277]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8465.114277]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8465.114277]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8465.114277]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8465.114277]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8465.114277] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8493.114020] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8493.114020] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8493.114020] irq event stamp: 1805571198
>[ 8493.114020] hardirqs last  enabled at (1805571197): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8493.114020] hardirqs last disabled at (1805571198): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8493.114020] softirqs last  enabled at (1805570972): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8493.114020] softirqs last disabled at (1805570967): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8493.114020] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8493.114020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8493.114020] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8493.114020] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8493.114020] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 8493.114020] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8493.114020] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8493.114020] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8493.114020] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8493.114020] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8493.114020] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8493.114020] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8493.114020] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8493.114020] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8493.114020] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8493.114020] Stack:
>[ 8493.114020]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8493.114020]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8493.114020]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8493.114020] Call Trace:
>[ 8493.114020]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8493.114020]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8493.114020]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8493.114020]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8493.114020]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8493.114020]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8493.114020]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8493.114020]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8493.114020]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8493.114020]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8493.114020] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8521.114763] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8521.114763] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8521.114763] irq event stamp: 1811647412
>[ 8521.114763] hardirqs last  enabled at (1811647411): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8521.114763] hardirqs last disabled at (1811647412): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8521.114763] softirqs last  enabled at (1811647186): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8521.114763] softirqs last disabled at (1811647181): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8521.114763] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8521.114763] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8521.114763] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8521.114763] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8521.114763] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 8521.114763] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 8521.114763] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 8521.114763] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 8521.114763] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8521.114763] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 8521.114763] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8521.114763] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8521.114763] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8521.114763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8521.114763] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8521.114763] Stack:
>[ 8521.114763]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 8521.114763]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 8521.114763]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 8521.114763] Call Trace:
>[ 8521.114763]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 8521.114763]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 8521.114763]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 8521.114763]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8521.114763]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8521.114763]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8521.114763]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8521.114763]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8521.114763]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8521.114763]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8521.114763]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8521.114763]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8521.114763]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8521.114763] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8549.114507] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8549.114507] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8549.114507] irq event stamp: 1817531942
>[ 8549.114507] hardirqs last  enabled at (1817531941): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8549.114507] hardirqs last disabled at (1817531942): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8549.114507] softirqs last  enabled at (1817531726): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8549.114507] softirqs last disabled at (1817531721): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8549.114507] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8549.114507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8549.114507] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8549.114507] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8549.114507] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8549.114507] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8549.114507] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8549.114507] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8549.114507] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8549.114507] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8549.114507] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8549.114507] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8549.114507] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8549.114507] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8549.114507] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8549.114507] Stack:
>[ 8549.114507]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8549.114507]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8549.114507]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8549.114507] Call Trace:
>[ 8549.114507]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8549.114507]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8549.114507]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8549.114507]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8549.114507]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8549.114507]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8549.114507]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8549.114507]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8549.114507]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8549.114507]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8549.114507] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8577.114250] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8577.114250] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8577.114250] irq event stamp: 1823699876
>[ 8577.114250] hardirqs last  enabled at (1823699875): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8577.114250] hardirqs last disabled at (1823699876): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8577.114250] softirqs last  enabled at (1823699650): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8577.114250] softirqs last disabled at (1823699645): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8577.114250] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8577.114250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8577.114250] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8577.114250] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8577.114250] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 8577.114250] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 8577.114250] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 8577.114250] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 8577.114250] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8577.114250] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 8577.114250] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8577.114250] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8577.114250] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8577.114250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8577.114250] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8577.114250] Stack:
>[ 8577.114250]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 8577.114250]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 8577.114250]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 8577.114250] Call Trace:
>[ 8577.114250]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 8577.114250]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 8577.114250]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 8577.114250]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8577.114250]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8577.114250]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8577.114250]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8577.114250]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8577.114250]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8577.114250]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8577.114250]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8577.114250]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8577.114250]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8577.114250] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8579.996812] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=8450217 jiffies, g=9748, c=9747, q=1)
>[ 8579.996812] INFO: Stall ended before state dump start
>[ 8605.114993] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8605.114993] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8605.114993] irq event stamp: 1829916458
>[ 8605.114993] hardirqs last  enabled at (1829916457): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8605.114993] hardirqs last disabled at (1829916458): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8605.114993] softirqs last  enabled at (1829916236): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8605.114993] softirqs last disabled at (1829916231): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8605.114993] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8605.114993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8605.114993] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8605.114993] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8605.114993] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8605.114993] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8605.114993] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8605.114993] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8605.114993] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8605.114993] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8605.114993] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8605.114993] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8605.114993] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8605.114993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8605.114993] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8605.114993] Stack:
>[ 8605.114993]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8605.114993]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8605.114993]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8605.114993] Call Trace:
>[ 8605.114993]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8605.114993]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8605.114993]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8605.114993]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8605.114993]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8605.114993]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8605.114993]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8605.114993]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8605.114993]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8605.114993]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8605.114993] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8633.114737] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8633.114737] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8633.114737] irq event stamp: 1835953176
>[ 8633.114737] hardirqs last  enabled at (1835953175): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8633.114737] hardirqs last disabled at (1835953176): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8633.114737] softirqs last  enabled at (1835952952): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8633.114737] softirqs last disabled at (1835952947): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8633.114737] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8633.114737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8633.114737] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8633.114737] RIP: 0010:[<ffffffff810c6924>]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 8633.114737] RSP: 0018:ffff8800184dbc88  EFLAGS: 00000246
>[ 8633.114737] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8633.114737] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 8633.114737] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8633.114737] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810d18d9
>[ 8633.114737] R13: ffff8800184dbc28 R14: ffff88001844a5f0 R15: 0000000000000006
>[ 8633.114737] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8633.114737] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8633.114737] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8633.114737] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8633.114737] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8633.114737] Stack:
>[ 8633.114737]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 8633.114737]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 8633.114737]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8633.114737] Call Trace:
>[ 8633.114737]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 8633.114737]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8633.114737]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8633.114737]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8633.114737]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8633.114737]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8633.114737]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8633.114737]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8633.114737]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8633.114737]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8633.114737] Code: 54 53 48 89 fb e8 1d 98 69 00 4d 89 f8 49 89 c4 44 89 f2 44 89 ee 48 89 df 31 c9 e8 37 fd ff ff 4c 89 e6 48 89 df e8 cc 8f 69 00 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 90 66 66 66 66 90 55 48 8d 47 
>[ 8661.114480] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8661.114480] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8661.114480] irq event stamp: 1841757238
>[ 8661.114480] hardirqs last  enabled at (1841757237): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8661.114480] hardirqs last disabled at (1841757238): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8661.114480] softirqs last  enabled at (1841757012): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8661.114480] softirqs last disabled at (1841757007): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8661.114480] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8661.114480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8661.114480] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8661.114480] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8661.114480] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 8661.114480] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 8661.114480] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 8661.114480] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8661.114480] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8661.114480] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 8661.114480] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8661.114480] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8661.114480] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8661.114480] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8661.114480] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8661.114480] Stack:
>[ 8661.114480]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 8661.114480]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 8661.114480]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8661.114480] Call Trace:
>[ 8661.114480]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 8661.114480]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 8661.114480]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8661.114480]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8661.114480]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8661.114480]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8661.114480]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8661.114480]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8661.114480]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8661.114480]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8661.114480] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8689.114223] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8689.114223] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8689.114223] irq event stamp: 1847862214
>[ 8689.114223] hardirqs last  enabled at (1847862213): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8689.114223] hardirqs last disabled at (1847862214): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8689.114223] softirqs last  enabled at (1847861996): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8689.114223] softirqs last disabled at (1847861991): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8689.114223] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8689.114223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8689.114223] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8689.114223] RIP: 0010:[<ffffffffa021f979>]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8689.114223] RSP: 0018:ffff8800184dbce8  EFLAGS: 00000246
>[ 8689.114223] RAX: 0000000000000000 RBX: ffff8800195c7460 RCX: 0000000000005b40
>[ 8689.114223] RDX: 000000000000632d RSI: 0000000000000001 RDI: ffffffff81cdd240
>[ 8689.114223] RBP: ffff8800184dbdd8 R08: 0000000000000001 R09: 0000000000000000
>[ 8689.114223] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81cdd240
>[ 8689.114223] R13: 0000000000000246 R14: ffff8800184dbc78 R15: ffffffff81cdd258
>[ 8689.114223] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8689.114223] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8689.114223] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8689.114223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8689.114223] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8689.114223] Stack:
>[ 8689.114223]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8689.114223]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8689.114223]  0000000000000001 0000000000000001 0000000000000000 ffff8800184da000
>[ 8689.114223] Call Trace:
>[ 8689.114223]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8689.114223]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8689.114223]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8689.114223]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8689.114223]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8689.114223]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8689.114223]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8689.114223]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8689.114223] Code: 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8b 07 48 89 c3 48 89 85 18 ff ff ff 48 83 c0 78 48 89 85 10 ff ff ff e8 67 ee 37 e1 <48> 8d bd 78 ff ff ff e8 db 17 13 e1 48 89 9d 40 ff ff ff 48 8b 
>[ 8717.114967] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8717.114967] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8717.114967] irq event stamp: 1853597790
>[ 8717.114967] hardirqs last  enabled at (1853597789): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8717.114967] hardirqs last disabled at (1853597790): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8717.114967] softirqs last  enabled at (1853597580): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8717.114967] softirqs last disabled at (1853597575): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8717.114967] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8717.114967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8717.114967] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8717.114967] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8717.114967] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8717.114967] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8717.114967] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8717.114967] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8717.114967] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8717.114967] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8717.114967] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8717.114967] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8717.114967] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8717.114967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8717.114967] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8717.114967] Stack:
>[ 8717.114967]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8717.114967]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8717.114967]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8717.114967] Call Trace:
>[ 8717.114967]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8717.114967]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8717.114967]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8717.114967]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8717.114967]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8717.114967]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8717.114967]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8717.114967]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8717.114967]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8717.114967] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8745.114710] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8745.114710] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8745.114710] irq event stamp: 1859667098
>[ 8745.114710] hardirqs last  enabled at (1859667097): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8745.114710] hardirqs last disabled at (1859667098): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8745.114710] softirqs last  enabled at (1859666878): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8745.114710] softirqs last disabled at (1859666873): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8745.114710] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8745.114710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8745.114710] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8745.114710] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 8745.114710] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 8745.114710] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 8745.114710] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 8745.114710] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 8745.114710] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 8745.114710] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 8745.114710] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8745.114710] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8745.114710] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8745.114710] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8745.114710] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8745.114710] Stack:
>[ 8745.114710]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 8745.114710]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 8745.114710]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 8745.114710] Call Trace:
>[ 8745.114710]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 8745.114710]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8745.114710]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8745.114710]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8745.114710]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8745.114710]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8745.114710]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8745.114710] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 8773.114453] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8773.114453] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8773.114453] irq event stamp: 1865793846
>[ 8773.114453] hardirqs last  enabled at (1865793845): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8773.114453] hardirqs last disabled at (1865793846): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8773.114453] softirqs last  enabled at (1865793630): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8773.114453] softirqs last disabled at (1865793625): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8773.114453] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8773.114453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8773.114453] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8773.114453] RIP: 0010:[<ffffffff815950c0>]  [<ffffffff815950c0>] mddev_unlock+0xd0/0xe0
>[ 8773.114453] RSP: 0018:ffff8800184dbca0  EFLAGS: 00000246
>[ 8773.114453] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000006
>[ 8773.114453] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff8800188f0948
>[ 8773.114453] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8773.114453] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
>[ 8773.114453] R13: ffffffff8175f926 R14: ffff88001844a5f0 R15: 000000071844adc8
>[ 8773.114453] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8773.114453] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8773.114453] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8773.114453] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8773.114453] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8773.114453] Stack:
>[ 8773.114453]  ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a
>[ 8773.114453]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[ 8773.114453]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[ 8773.114453] Call Trace:
>[ 8773.114453]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8773.114453]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8773.114453]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8773.114453]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8773.114453]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8773.114453]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8773.114453]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8773.114453]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8773.114453]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8773.114453]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8773.114453] Code: c7 c6 20 cf cd 81 e8 c0 27 cf ff 48 8b bb a8 03 00 00 48 85 ff 74 05 e8 5f 21 cf ff 48 c7 83 a8 03 00 00 00 00 00 00 eb 9e 66 90 <48> 8d bf 70 02 00 00 e8 c4 7f 1c 00 eb 95 66 90 66 66 66 66 90 
>[ 8774.972171] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=8645222 jiffies, g=9748, c=9747, q=1)
>[ 8774.972171] INFO: Stall ended before state dump start
>[ 8801.114197] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8801.114197] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8801.114197] irq event stamp: 1871804414
>[ 8801.114197] hardirqs last  enabled at (1871804413): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8801.114197] hardirqs last disabled at (1871804414): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8801.114197] softirqs last  enabled at (1871804206): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8801.114197] softirqs last disabled at (1871804201): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8801.114197] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8801.114197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8801.114197] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8801.114197] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8801.114197] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8801.114197] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8801.114197] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8801.114197] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8801.114197] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8801.114197] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8801.114197] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8801.114197] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8801.114197] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8801.114197] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8801.114197] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8801.114197] Stack:
>[ 8801.114197]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8801.114197]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8801.114197]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8801.114197] Call Trace:
>[ 8801.114197]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8801.114197]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8801.114197]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8801.114197]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8801.114197]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8801.114197]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8801.114197]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8801.114197]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8801.114197]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8801.114197] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8829.114940] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8829.114940] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8829.114940] irq event stamp: 1877868808
>[ 8829.114940] hardirqs last  enabled at (1877868807): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8829.114940] hardirqs last disabled at (1877868808): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8829.114940] softirqs last  enabled at (1877868588): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8829.114940] softirqs last disabled at (1877868583): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8829.114940] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8829.114940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8829.114940] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8829.114940] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8829.114940] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8829.114940] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8829.114940] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8829.114940] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8829.114940] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8829.114940] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8829.114940] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8829.114940] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8829.114940] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8829.114940] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8829.114940] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8829.114940] Stack:
>[ 8829.114940]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8829.114940]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8829.114940]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8829.114940] Call Trace:
>[ 8829.114940]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8829.114940]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8829.114940]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8829.114940]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8829.114940]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8829.114940]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8829.114940]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8829.114940]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8829.114940]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8829.114940]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8829.114940] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8857.114684] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8857.114684] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8857.114684] irq event stamp: 1883733868
>[ 8857.114684] hardirqs last  enabled at (1883733867): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8857.114684] hardirqs last disabled at (1883733868): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8857.114684] softirqs last  enabled at (1883733680): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8857.114684] softirqs last disabled at (1883733675): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8857.114684] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8857.114684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8857.114684] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8857.114684] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8857.114684] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 8857.114684] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 8857.114684] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 8857.114684] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 8857.114684] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 8857.114684] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 8857.114684] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8857.114684] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8857.114684] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8857.114684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8857.114684] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8857.114684] Stack:
>[ 8857.114684]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 8857.114684]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8857.114684]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 8857.114684] Call Trace:
>[ 8857.114684]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 8857.114684]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8857.114684]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8857.114684]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8857.114684]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8857.114684]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8857.114684]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8857.114684]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8857.114684]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8857.114684] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8885.114427] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8885.114427] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8885.114427] irq event stamp: 1889791978
>[ 8885.114427] hardirqs last  enabled at (1889791977): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8885.114427] hardirqs last disabled at (1889791978): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8885.114427] softirqs last  enabled at (1889791746): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8885.114427] softirqs last disabled at (1889791741): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8885.114427] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8885.114427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8885.114427] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8885.114427] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8885.114427] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 8885.114427] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 8885.114427] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 8885.114427] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 8885.114427] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8885.114427] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 8885.114427] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8885.114427] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8885.114427] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8885.114427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8885.114427] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8885.114427] Stack:
>[ 8885.114427]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 8885.114427]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 8885.114427]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 8885.114427] Call Trace:
>[ 8885.114427]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 8885.114427]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 8885.114427]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 8885.114427]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 8885.114427]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8885.114427]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8885.114427]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8885.114427]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8885.114427]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8885.114427]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8885.114427]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8885.114427]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8885.114427]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8885.114427] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8913.114170] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 8913.114170] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8913.114170] irq event stamp: 1895856254
>[ 8913.114170] hardirqs last  enabled at (1895856253): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 8913.114170] hardirqs last disabled at (1895856254): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8913.114170] softirqs last  enabled at (1895856082): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8913.114170] softirqs last disabled at (1895856077): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8913.114170] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8913.114170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8913.114170] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8913.114170] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 8913.114170] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 8913.114170] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8913.114170] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 8913.114170] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 8913.114170] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8913.114170] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 8913.114170] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8913.114170] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8913.114170] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8913.114170] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8913.114170] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8913.114170] Stack:
>[ 8913.114170]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 8913.114170]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 8913.114170]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 8913.114170] Call Trace:
>[ 8913.114170]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 8913.114170]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 8913.114170]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8913.114170]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8913.114170]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8913.114170]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8913.114170]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8913.114170]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8913.114170]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8913.114170]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8913.114170]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8913.114170] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 8941.114914] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8941.114914] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8941.114914] irq event stamp: 1901976874
>[ 8941.114914] hardirqs last  enabled at (1901976873): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8941.114914] hardirqs last disabled at (1901976874): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8941.114914] softirqs last  enabled at (1901976772): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8941.114914] softirqs last disabled at (1901976767): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8941.114914] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8941.114914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8941.114914] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8941.114914] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8941.114914] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8941.114914] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8941.114914] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8941.114914] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8941.114914] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8941.114914] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8941.114914] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8941.114914] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8941.114914] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8941.114914] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8941.114914] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8941.114914] Stack:
>[ 8941.114914]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8941.114914]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8941.114914]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8941.114914] Call Trace:
>[ 8941.114914]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8941.114914]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8941.114914]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8941.114914]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8941.114914]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8941.114914]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8941.114914]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8941.114914]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8941.114914]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8941.114914]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8941.114914] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8969.114657] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8969.114657] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8969.114657] irq event stamp: 1908202766
>[ 8969.114657] hardirqs last  enabled at (1908202765): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8969.114657] hardirqs last disabled at (1908202766): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8969.114657] softirqs last  enabled at (1908202544): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8969.114657] softirqs last disabled at (1908202539): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8969.114657] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8969.114657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8969.114657] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8969.114657] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8969.114657] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 8969.114657] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8969.114657] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8969.114657] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8969.114657] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8969.114657] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8969.114657] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8969.114657] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8969.114657] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8969.114657] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8969.114657] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8969.114657] Stack:
>[ 8969.114657]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8969.114657]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8969.114657]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8969.114657] Call Trace:
>[ 8969.114657]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8969.114657]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8969.114657]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8969.114657]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8969.114657]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8969.114657]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8969.114657]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8969.114657]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8969.114657]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8969.114657]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8969.114657] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 8969.947530] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=8840227 jiffies, g=9748, c=9747, q=1)
>[ 8969.947530] INFO: Stall ended before state dump start
>[ 8997.114400] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 8997.114400] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 8997.114400] irq event stamp: 1914348428
>[ 8997.114400] hardirqs last  enabled at (1914348427): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 8997.114400] hardirqs last disabled at (1914348428): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 8997.114400] softirqs last  enabled at (1914348254): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 8997.114400] softirqs last disabled at (1914348249): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 8997.114400] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 8997.114400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 8997.114400] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 8997.114400] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 8997.114400] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 8997.114400] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 8997.114400] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 8997.114400] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 8997.114400] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 8997.114400] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 8997.114400] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 8997.114400] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 8997.114400] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 8997.114400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 8997.114400] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 8997.114400] Stack:
>[ 8997.114400]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 8997.114400]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 8997.114400]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 8997.114400] Call Trace:
>[ 8997.114400]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 8997.114400]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 8997.114400]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 8997.114400]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 8997.114400]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 8997.114400]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 8997.114400]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 8997.114400]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8997.114400]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 8997.114400]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 8997.114400] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9025.114144] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9025.114144] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9025.114144] irq event stamp: 1920567982
>[ 9025.114144] hardirqs last  enabled at (1920567981): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9025.114144] hardirqs last disabled at (1920567982): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9025.114144] softirqs last  enabled at (1920567830): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9025.114144] softirqs last disabled at (1920567825): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9025.114144] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9025.114144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9025.114144] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9025.114144] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9025.114144] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9025.114144] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9025.114144] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9025.114144] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9025.114144] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9025.114144] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9025.114144] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9025.114144] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9025.114144] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9025.114144] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9025.114144] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9025.114144] Stack:
>[ 9025.114144]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9025.114144]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9025.114144]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9025.114144] Call Trace:
>[ 9025.114144]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9025.114144]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9025.114144]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9025.114144]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9025.114144]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9025.114144]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9025.114144]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9025.114144]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9025.114144]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9025.114144]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9025.114144]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9025.114144] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9053.114887] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9053.114887] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9053.114887] irq event stamp: 1926709876
>[ 9053.114887] hardirqs last  enabled at (1926709875): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9053.114887] hardirqs last disabled at (1926709876): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9053.114887] softirqs last  enabled at (1926709654): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9053.114887] softirqs last disabled at (1926709649): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9053.114887] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9053.114887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9053.114887] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9053.114887] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9053.114887] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 9053.114887] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 9053.114887] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 9053.114887] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 9053.114887] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9053.114887] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9053.114887] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9053.114887] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9053.114887] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9053.114887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9053.114887] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9053.114887] Stack:
>[ 9053.114887]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 9053.114887]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 9053.114887]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 9053.114887] Call Trace:
>[ 9053.114887]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9053.114887]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 9053.114887]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 9053.114887]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9053.114887]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9053.114887]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9053.114887]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9053.114887]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9053.114887]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9053.114887]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9053.114887]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9053.114887]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9053.114887]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9053.114887] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9081.114630] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9081.114630] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9081.114630] irq event stamp: 1932773170
>[ 9081.114630] hardirqs last  enabled at (1932773169): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9081.114630] hardirqs last disabled at (1932773170): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9081.114630] softirqs last  enabled at (1932772964): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9081.114630] softirqs last disabled at (1932772959): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9081.114630] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9081.114630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9081.114630] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9081.114630] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9081.114630] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 9081.114630] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 9081.114630] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 9081.114630] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9081.114630] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9081.114630] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 9081.114630] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9081.114630] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9081.114630] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9081.114630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9081.114630] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9081.114630] Stack:
>[ 9081.114630]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 9081.114630]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 9081.114630]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9081.114630] Call Trace:
>[ 9081.114630]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 9081.114630]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9081.114630]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9081.114630]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9081.114630]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9081.114630]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9081.114630]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9081.114630]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9081.114630]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9081.114630]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9081.114630] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9109.114374] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9109.114374] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9109.114374] irq event stamp: 1938722414
>[ 9109.114374] hardirqs last  enabled at (1938722413): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9109.114374] hardirqs last disabled at (1938722414): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9109.114374] softirqs last  enabled at (1938722208): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9109.114374] softirqs last disabled at (1938722203): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9109.114374] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9109.114374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9109.114374] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9109.114374] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9109.114374] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 9109.114374] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 9109.114374] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 9109.114374] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9109.114374] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9109.114374] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 9109.114374] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9109.114374] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9109.114374] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9109.114374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9109.114374] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9109.114374] Stack:
>[ 9109.114374]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 9109.114374]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 9109.114374]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9109.114374] Call Trace:
>[ 9109.114374]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 9109.114374]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9109.114374]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9109.114374]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9109.114374]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9109.114374]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9109.114374]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9109.114374]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9109.114374]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9109.114374]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9109.114374] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9137.114117] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9137.114117] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9137.114117] irq event stamp: 1944720950
>[ 9137.114117] hardirqs last  enabled at (1944720949): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9137.114117] hardirqs last disabled at (1944720950): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9137.114117] softirqs last  enabled at (1944720748): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9137.114117] softirqs last disabled at (1944720743): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9137.114117] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9137.114117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9137.114117] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9137.114117] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9137.114117] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9137.114117] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9137.114117] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9137.114117] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9137.114117] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9137.114117] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9137.114117] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9137.114117] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9137.114117] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9137.114117] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9137.114117] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9137.114117] Stack:
>[ 9137.114117]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9137.114117]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9137.114117]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9137.114117] Call Trace:
>[ 9137.114117]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9137.114117]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9137.114117]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9137.114117]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9137.114117]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9137.114117]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9137.114117]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9137.114117]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9137.114117]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9137.114117] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9164.922890] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=9035232 jiffies, g=9748, c=9747, q=1)
>[ 9164.922890] INFO: Stall ended before state dump start
>[ 9189.114212] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9189.114212] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9189.114212] irq event stamp: 1955871096
>[ 9189.114212] hardirqs last  enabled at (1955871095): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9189.114212] hardirqs last disabled at (1955871096): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9189.114212] softirqs last  enabled at (1955870882): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9189.114212] softirqs last disabled at (1955870877): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9189.114212] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9189.114212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9189.114212] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9189.114212] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9189.114212] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 9189.114212] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 9189.114212] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 9189.114212] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 9189.114212] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9189.114212] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9189.114212] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9189.114212] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9189.114212] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9189.114212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9189.114212] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9189.114212] Stack:
>[ 9189.114212]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 9189.114212]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 9189.114212]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 9189.114212] Call Trace:
>[ 9189.114212]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9189.114212]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 9189.114212]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 9189.114212]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9189.114212]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9189.114212]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9189.114212]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9189.114212]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9189.114212]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9189.114212]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9189.114212]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9189.114212]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9189.114212]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9189.114212] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9217.114955] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9217.114955] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9217.114955] irq event stamp: 1961983494
>[ 9217.114955] hardirqs last  enabled at (1961983493): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9217.114955] hardirqs last disabled at (1961983494): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9217.114955] softirqs last  enabled at (1961983278): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9217.114955] softirqs last disabled at (1961983273): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9217.114955] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9217.114955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9217.114955] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9217.114955] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9217.114955] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 9217.114955] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 9217.114955] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 9217.114955] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 9217.114955] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9217.114955] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9217.114955] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9217.114955] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9217.114955] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9217.114955] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9217.114955] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9217.114955] Stack:
>[ 9217.114955]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 9217.114955]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 9217.114955]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 9217.114955] Call Trace:
>[ 9217.114955]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9217.114955]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 9217.114955]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 9217.114955]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9217.114955]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9217.114955]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9217.114955]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9217.114955]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9217.114955]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9217.114955]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9217.114955]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9217.114955]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9217.114955]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9217.114955] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9245.114699] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9245.114699] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9245.114699] irq event stamp: 1968078836
>[ 9245.114699] hardirqs last  enabled at (1968078835): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9245.114699] hardirqs last disabled at (1968078836): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9245.114699] softirqs last  enabled at (1968078744): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9245.114699] softirqs last disabled at (1968078739): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9245.114699] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9245.114699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9245.114699] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9245.114699] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9245.114699] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9245.114699] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9245.114699] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9245.114699] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9245.114699] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9245.114699] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9245.114699] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9245.114699] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9245.114699] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9245.114699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9245.114699] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9245.114699] Stack:
>[ 9245.114699]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9245.114699]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9245.114699]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9245.114699] Call Trace:
>[ 9245.114699]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9245.114699]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9245.114699]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9245.114699]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9245.114699]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9245.114699]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9245.114699]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9245.114699]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9245.114699]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9245.114699]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9245.114699]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9245.114699] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9273.114442] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9273.114442] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9273.114442] irq event stamp: 1974367450
>[ 9273.114442] hardirqs last  enabled at (1974367449): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9273.114442] hardirqs last disabled at (1974367450): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9273.114442] softirqs last  enabled at (1974367218): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9273.114442] softirqs last disabled at (1974367213): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9273.114442] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9273.114442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9273.114442] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9273.114442] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[ 9273.114442] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[ 9273.114442] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[ 9273.114442] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[ 9273.114442] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[ 9273.114442] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[ 9273.114442] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[ 9273.114442] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9273.114442] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9273.114442] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9273.114442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9273.114442] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9273.114442] Stack:
>[ 9273.114442]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[ 9273.114442]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[ 9273.114442]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[ 9273.114442] Call Trace:
>[ 9273.114442]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[ 9273.114442]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9273.114442]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9273.114442]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9273.114442]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9273.114442]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9273.114442]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9273.114442] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[ 9301.114185] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9301.114185] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9301.114185] irq event stamp: 1980490558
>[ 9301.114185] hardirqs last  enabled at (1980490557): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9301.114185] hardirqs last disabled at (1980490558): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9301.114185] softirqs last  enabled at (1980490328): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9301.114185] softirqs last disabled at (1980490323): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9301.114185] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9301.114185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9301.114185] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9301.114185] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9301.114185] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9301.114185] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9301.114185] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9301.114185] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9301.114185] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9301.114185] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9301.114185] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9301.114185] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9301.114185] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9301.114185] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9301.114185] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9301.114185] Stack:
>[ 9301.114185]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9301.114185]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9301.114185]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9301.114185] Call Trace:
>[ 9301.114185]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9301.114185]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9301.114185]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9301.114185]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9301.114185]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9301.114185]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9301.114185]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9301.114185]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9301.114185]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9301.114185]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9301.114185]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9301.114185] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9329.114929] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9329.114929] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9329.114929] irq event stamp: 1986741332
>[ 9329.114929] hardirqs last  enabled at (1986741331): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9329.114929] hardirqs last disabled at (1986741332): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9329.114929] softirqs last  enabled at (1986741098): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9329.114929] softirqs last disabled at (1986741093): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9329.114929] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9329.114929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9329.114929] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9329.114929] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9329.114929] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 9329.114929] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 9329.114929] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 9329.114929] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 9329.114929] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9329.114929] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 9329.114929] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9329.114929] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9329.114929] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9329.114929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9329.114929] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9329.114929] Stack:
>[ 9329.114929]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 9329.114929]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 9329.114929]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 9329.114929] Call Trace:
>[ 9329.114929]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9329.114929]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 9329.114929]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9329.114929]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9329.114929]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9329.114929]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9329.114929]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9329.114929]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9329.114929]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9329.114929]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9329.114929]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9329.114929] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9357.114672] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9357.114672] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9357.114672] irq event stamp: 1992881914
>[ 9357.114672] hardirqs last  enabled at (1992881913): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9357.114672] hardirqs last disabled at (1992881914): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9357.114672] softirqs last  enabled at (1992881688): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9357.114672] softirqs last disabled at (1992881683): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9357.114672] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9357.114672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9357.114672] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9357.114672] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9357.114672] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9357.114672] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9357.114672] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9357.114672] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9357.114672] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9357.114672] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9357.114672] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9357.114672] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9357.114672] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9357.114672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9357.114672] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9357.114672] Stack:
>[ 9357.114672]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9357.114672]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9357.114672]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9357.114672] Call Trace:
>[ 9357.114672]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9357.114672]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9357.114672]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9357.114672]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9357.114672]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9357.114672]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9357.114672]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9357.114672]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9357.114672]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9357.114672] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9359.898249] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=9230237 jiffies, g=9748, c=9747, q=1)
>[ 9359.898249] INFO: Stall ended before state dump start
>[ 9385.114356] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9385.114415] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9385.114415] irq event stamp: 1999201900
>[ 9385.114415] hardirqs last  enabled at (1999201899): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 9385.114415] hardirqs last disabled at (1999201900): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9385.114415] softirqs last  enabled at (1999201712): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9385.114415] softirqs last disabled at (1999201707): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9385.114415] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9385.114415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9385.114415] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9385.114415] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 9385.114415] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 9385.114415] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 9385.114415] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 9385.114415] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 9385.114415] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 9385.114415] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 9385.114415] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9385.114415] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9385.114415] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9385.114415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9385.114415] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9385.114415] Stack:
>[ 9385.114415]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 9385.114415]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 9385.114415]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 9385.114415] Call Trace:
>[ 9385.114415]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 9385.114415]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 9385.114415]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 9385.114415]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 9385.114415]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9385.114415]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9385.114415]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9385.114415]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9385.114415]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9385.114415]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9385.114415]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9385.114415]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9385.114415]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9385.114415]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9385.114415] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 9413.114159] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9413.114159] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9413.114159] irq event stamp: 2005146332
>[ 9413.114159] hardirqs last  enabled at (2005146331): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9413.114159] hardirqs last disabled at (2005146332): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9413.114159] softirqs last  enabled at (2005146140): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9413.114159] softirqs last disabled at (2005146135): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9413.114159] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9413.114159] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9413.114159] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9413.114159] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9413.114159] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 9413.114159] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 9413.114159] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 9413.114159] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9413.114159] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9413.114159] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 9413.114159] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9413.114159] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9413.114159] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9413.114159] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9413.114159] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9413.114159] Stack:
>[ 9413.114159]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 9413.114159]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 9413.114159]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9413.114159] Call Trace:
>[ 9413.114159]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 9413.114159]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 9413.114159]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9413.114159]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9413.114159]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9413.114159]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9413.114159]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9413.114159]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9413.114159]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9413.114159]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9413.114159] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9441.114902] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9441.114902] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9441.114902] irq event stamp: 2011034156
>[ 9441.114902] hardirqs last  enabled at (2011034155): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9441.114902] hardirqs last disabled at (2011034156): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9441.114902] softirqs last  enabled at (2011033938): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9441.114902] softirqs last disabled at (2011033933): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9441.114902] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9441.114902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9441.114902] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9441.114902] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9441.114902] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9441.114902] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9441.114902] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9441.114902] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9441.114902] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9441.114902] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9441.114902] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9441.114902] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9441.114902] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9441.114902] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9441.114902] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9441.114902] Stack:
>[ 9441.114902]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9441.114902]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9441.114902]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9441.114902] Call Trace:
>[ 9441.114902]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9441.114902]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9441.114902]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9441.114902]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9441.114902]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9441.114902]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9441.114902]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9441.114902]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9441.114902]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9441.114902] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9469.114645] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9469.114645] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9469.114645] irq event stamp: 2016945514
>[ 9469.114645] hardirqs last  enabled at (2016945513): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9469.114645] hardirqs last disabled at (2016945514): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9469.114645] softirqs last  enabled at (2016945370): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9469.114645] softirqs last disabled at (2016945365): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9469.114645] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9469.114645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9469.114645] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9469.114645] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9469.114645] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 9469.114645] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 9469.114645] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 9469.114645] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 9469.114645] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9469.114645] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9469.114645] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9469.114645] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9469.114645] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9469.114645] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9469.114645] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9469.114645] Stack:
>[ 9469.114645]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 9469.114645]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 9469.114645]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 9469.114645] Call Trace:
>[ 9469.114645]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9469.114645]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 9469.114645]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 9469.114645]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9469.114645]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9469.114645]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9469.114645]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9469.114645]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9469.114645]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9469.114645]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9469.114645]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9469.114645]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9469.114645]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9469.114645] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9497.114389] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9497.114389] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9497.114389] irq event stamp: 2023067374
>[ 9497.114389] hardirqs last  enabled at (2023067373): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9497.114389] hardirqs last disabled at (2023067374): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9497.114389] softirqs last  enabled at (2023067148): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9497.114389] softirqs last disabled at (2023067143): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9497.114389] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9497.114389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9497.114389] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9497.114389] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9497.114389] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 9497.114389] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 9497.114389] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 9497.114389] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9497.114389] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9497.114389] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 9497.114389] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9497.114389] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9497.114389] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9497.114389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9497.114389] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9497.114389] Stack:
>[ 9497.114389]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 9497.114389]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 9497.114389]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9497.114389] Call Trace:
>[ 9497.114389]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 9497.114389]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 9497.114389]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9497.114389]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9497.114389]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9497.114389]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9497.114389]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9497.114389]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9497.114389]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9497.114389]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9497.114389] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9525.114132] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9525.114132] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9525.114132] irq event stamp: 2029203686
>[ 9525.114132] hardirqs last  enabled at (2029203685): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9525.114132] hardirqs last disabled at (2029203686): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9525.114132] softirqs last  enabled at (2029203488): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9525.114132] softirqs last disabled at (2029203483): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9525.114132] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9525.114132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9525.114132] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9525.114132] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9525.114132] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9525.114132] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9525.114132] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9525.114132] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9525.114132] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9525.114132] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9525.114132] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9525.114132] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9525.114132] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9525.114132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9525.114132] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9525.114132] Stack:
>[ 9525.114132]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9525.114132]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9525.114132]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9525.114132] Call Trace:
>[ 9525.114132]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9525.114132]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9525.114132]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9525.114132]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9525.114132]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9525.114132]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9525.114132]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9525.114132]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9525.114132]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9525.114132] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9553.114875] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9553.114875] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9553.114875] irq event stamp: 2035410966
>[ 9553.114875] hardirqs last  enabled at (2035410965): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9553.114875] hardirqs last disabled at (2035410966): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9553.114875] softirqs last  enabled at (2035410742): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9553.114875] softirqs last disabled at (2035410737): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9553.114875] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9553.114875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9553.114875] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9553.114875] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9553.114875] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9553.114875] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9553.114875] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9553.114875] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9553.114875] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9553.114875] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9553.114875] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9553.114875] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9553.114875] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9553.114875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9553.114875] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9553.114875] Stack:
>[ 9553.114875]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9553.114875]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9553.114875]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9553.114875] Call Trace:
>[ 9553.114875]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9553.114875]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9553.114875]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9553.114875]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9553.114875]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9553.114875]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9553.114875]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9553.114875]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9553.114875]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9553.114875]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9553.114875]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9553.114875] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9554.873608] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=9425242 jiffies, g=9748, c=9747, q=1)
>[ 9554.873608] INFO: Stall ended before state dump start
>[ 9581.114619] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9581.114619] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9581.114619] irq event stamp: 2041545076
>[ 9581.114619] hardirqs last  enabled at (2041545075): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9581.114619] hardirqs last disabled at (2041545076): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9581.114619] softirqs last  enabled at (2041544848): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9581.114619] softirqs last disabled at (2041544843): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9581.114619] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9581.114619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9581.114619] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9581.114619] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9581.114619] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9581.114619] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9581.114619] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9581.114619] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9581.114619] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9581.114619] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9581.114619] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9581.114619] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9581.114619] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9581.114619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9581.114619] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9581.114619] Stack:
>[ 9581.114619]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9581.114619]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9581.114619]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9581.114619] Call Trace:
>[ 9581.114619]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9581.114619]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9581.114619]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9581.114619]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9581.114619]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9581.114619]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9581.114619]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9581.114619]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9581.114619]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9581.114619]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9581.114619]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9581.114619] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9609.114362] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9609.114362] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9609.114362] irq event stamp: 2047550084
>[ 9609.114362] hardirqs last  enabled at (2047550083): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9609.114362] hardirqs last disabled at (2047550084): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9609.114362] softirqs last  enabled at (2047549862): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9609.114362] softirqs last disabled at (2047549857): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9609.114362] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9609.114362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9609.114362] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9609.114362] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9609.114362] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 9609.114362] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 9609.114362] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 9609.114362] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 9609.114362] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9609.114362] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9609.114362] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9609.114362] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9609.114362] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9609.114362] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9609.114362] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9609.114362] Stack:
>[ 9609.114362]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 9609.114362]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 9609.114362]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 9609.114362] Call Trace:
>[ 9609.114362]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9609.114362]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 9609.114362]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 9609.114362]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9609.114362]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9609.114362]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9609.114362]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9609.114362]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9609.114362]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9609.114362]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9609.114362]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9609.114362]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9609.114362]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9609.114362] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9637.114106] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9637.114106] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9637.114106] irq event stamp: 2053687686
>[ 9637.114106] hardirqs last  enabled at (2053687685): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9637.114106] hardirqs last disabled at (2053687686): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9637.114106] softirqs last  enabled at (2053687468): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9637.114106] softirqs last disabled at (2053687463): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9637.114106] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9637.114106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9637.114106] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9637.114106] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9637.114106] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9637.114106] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9637.114106] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9637.114106] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9637.114106] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9637.114106] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9637.114106] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9637.114106] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9637.114106] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9637.114106] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9637.114106] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9637.114106] Stack:
>[ 9637.114106]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9637.114106]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9637.114106]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9637.114106] Call Trace:
>[ 9637.114106]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9637.114106]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9637.114106]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9637.114106]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9637.114106]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9637.114106]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9637.114106]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9637.114106]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9637.114106]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9637.114106]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9637.114106]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9637.114106] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9665.114849] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9665.114849] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9665.114849] irq event stamp: 2059727848
>[ 9665.114849] hardirqs last  enabled at (2059727847): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9665.114849] hardirqs last disabled at (2059727848): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9665.114849] softirqs last  enabled at (2059727620): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9665.114849] softirqs last disabled at (2059727615): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9665.114849] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9665.114849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9665.114849] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9665.114849] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9665.114849] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9665.114849] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9665.114849] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9665.114849] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9665.114849] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9665.114849] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9665.114849] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9665.114849] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9665.114849] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9665.114849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9665.114849] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9665.114849] Stack:
>[ 9665.114849]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9665.114849]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9665.114849]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9665.114849] Call Trace:
>[ 9665.114849]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9665.114849]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9665.114849]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9665.114849]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9665.114849]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9665.114849]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9665.114849]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9665.114849]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9665.114849]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9665.114849]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9665.114849]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9665.114849] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9693.114592] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9693.114592] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9693.114592] irq event stamp: 2065922330
>[ 9693.114592] hardirqs last  enabled at (2065922329): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 9693.114592] hardirqs last disabled at (2065922330): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9693.114592] softirqs last  enabled at (2065922106): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9693.114592] softirqs last disabled at (2065922101): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9693.114592] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9693.114592] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9693.114592] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9693.114592] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[ 9693.114592] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[ 9693.114592] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[ 9693.114592] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[ 9693.114592] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[ 9693.114592] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[ 9693.114592] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[ 9693.114592] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9693.114592] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9693.114592] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9693.114592] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9693.114592] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9693.114592] Stack:
>[ 9693.114592]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[ 9693.114592]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[ 9693.114592]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[ 9693.114592] Call Trace:
>[ 9693.114592]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 9693.114592]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[ 9693.114592]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[ 9693.114592]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[ 9693.114592]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9693.114592]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9693.114592]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9693.114592]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9693.114592]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9693.114592]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9693.114592]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9693.114592]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9693.114592]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9693.114592]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9693.114592] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[ 9721.114336] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9721.114336] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9721.114336] irq event stamp: 2071964834
>[ 9721.114336] hardirqs last  enabled at (2071964833): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9721.114336] hardirqs last disabled at (2071964834): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9721.114336] softirqs last  enabled at (2071964612): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9721.114336] softirqs last disabled at (2071964607): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9721.114336] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9721.114336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9721.114336] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9721.114336] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9721.114336] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9721.114336] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9721.114336] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9721.114336] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9721.114336] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9721.114336] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9721.114336] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9721.114336] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9721.114336] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9721.114336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9721.114336] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9721.114336] Stack:
>[ 9721.114336]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9721.114336]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9721.114336]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9721.114336] Call Trace:
>[ 9721.114336]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9721.114336]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9721.114336]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9721.114336]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9721.114336]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9721.114336]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9721.114336]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9721.114336]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9721.114336]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9721.114336] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9749.114079] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9749.114079] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9749.114079] irq event stamp: 2078140886
>[ 9749.114079] hardirqs last  enabled at (2078140885): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9749.114079] hardirqs last disabled at (2078140886): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9749.114079] softirqs last  enabled at (2078140664): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9749.114079] softirqs last disabled at (2078140659): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9749.114079] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9749.114079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9749.114079] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9749.114079] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9749.114079] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[ 9749.114079] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[ 9749.114079] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[ 9749.114079] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[ 9749.114079] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9749.114079] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9749.114079] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9749.114079] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9749.114079] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9749.114079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9749.114079] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9749.114079] Stack:
>[ 9749.114079]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[ 9749.114079]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[ 9749.114079]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[ 9749.114079] Call Trace:
>[ 9749.114079]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9749.114079]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[ 9749.114079]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[ 9749.114079]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9749.114079]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9749.114079]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9749.114079]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9749.114079]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9749.114079]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9749.114079]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9749.114079]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9749.114079]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9749.114079]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9749.114079] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9749.848967] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=9620247 jiffies, g=9748, c=9747, q=1)
>[ 9749.848967] INFO: Stall ended before state dump start
>[ 9777.114791] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9777.114822] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9777.114822] irq event stamp: 2084191450
>[ 9777.114822] hardirqs last  enabled at (2084191449): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[ 9777.114822] hardirqs last disabled at (2084191450): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9777.114822] softirqs last  enabled at (2084191282): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9777.114822] softirqs last disabled at (2084191277): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9777.114822] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9777.114822] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9777.114822] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9777.114822] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[ 9777.114822] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[ 9777.114822] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[ 9777.114822] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[ 9777.114822] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9777.114822] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[ 9777.114822] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[ 9777.114822] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9777.114822] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9777.114822] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9777.114822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9777.114822] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9777.114822] Stack:
>[ 9777.114822]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[ 9777.114822]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[ 9777.114822]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[ 9777.114822] Call Trace:
>[ 9777.114822]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[ 9777.114822]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[ 9777.114822]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9777.114822]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9777.114822]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9777.114822]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9777.114822]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9777.114822]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9777.114822]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9777.114822]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9777.114822]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9777.114822] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[ 9805.114566] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9805.114566] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9805.114566] irq event stamp: 2090391692
>[ 9805.114566] hardirqs last  enabled at (2090391691): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9805.114566] hardirqs last disabled at (2090391692): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9805.114566] softirqs last  enabled at (2090391466): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9805.114566] softirqs last disabled at (2090391461): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9805.114566] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9805.114566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9805.114566] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9805.114566] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9805.114566] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9805.114566] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9805.114566] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9805.114566] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9805.114566] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9805.114566] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9805.114566] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9805.114566] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9805.114566] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9805.114566] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9805.114566] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9805.114566] Stack:
>[ 9805.114566]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9805.114566]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9805.114566]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9805.114566] Call Trace:
>[ 9805.114566]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9805.114566]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9805.114566]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9805.114566]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9805.114566]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9805.114566]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9805.114566]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9805.114566]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9805.114566]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9805.114566] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9833.114309] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9833.114309] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9833.114309] irq event stamp: 2096796324
>[ 9833.114309] hardirqs last  enabled at (2096796323): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9833.114309] hardirqs last disabled at (2096796324): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9833.114309] softirqs last  enabled at (2096796098): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9833.114309] softirqs last disabled at (2096796093): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9833.114309] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9833.114309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9833.114309] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9833.114309] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9833.114309] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 9833.114309] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[ 9833.114309] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[ 9833.114309] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9833.114309] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9833.114309] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[ 9833.114309] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9833.114309] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9833.114309] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9833.114309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9833.114309] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9833.114309] Stack:
>[ 9833.114309]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[ 9833.114309]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[ 9833.114309]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9833.114309] Call Trace:
>[ 9833.114309]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[ 9833.114309]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[ 9833.114309]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9833.114309]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9833.114309]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9833.114309]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9833.114309]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9833.114309]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9833.114309]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9833.114309]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9833.114309] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9861.114052] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9861.114052] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9861.114052] irq event stamp: 2102966936
>[ 9861.114052] hardirqs last  enabled at (2102966935): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9861.114052] hardirqs last disabled at (2102966936): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9861.114052] softirqs last  enabled at (2102966712): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9861.114052] softirqs last disabled at (2102966707): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9861.114052] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9861.114052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9861.114052] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9861.114052] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9861.114052] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[ 9861.114052] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 9861.114052] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[ 9861.114052] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[ 9861.114052] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9861.114052] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[ 9861.114052] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9861.114052] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9861.114052] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9861.114052] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9861.114052] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9861.114052] Stack:
>[ 9861.114052]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[ 9861.114052]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[ 9861.114052]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[ 9861.114052] Call Trace:
>[ 9861.114052]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[ 9861.114052]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[ 9861.114052]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9861.114052]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9861.114052]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9861.114052]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9861.114052]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9861.114052]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9861.114052]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9861.114052]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9861.114052]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9861.114052] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9889.114796] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9889.114796] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9889.114796] irq event stamp: 2108860510
>[ 9889.114796] hardirqs last  enabled at (2108860509): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[ 9889.114796] hardirqs last disabled at (2108860510): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9889.114796] softirqs last  enabled at (2108860290): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9889.114796] softirqs last disabled at (2108860285): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9889.114796] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9889.114796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9889.114796] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9889.114796] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[ 9889.114796] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[ 9889.114796] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[ 9889.114796] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[ 9889.114796] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[ 9889.114796] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9889.114796] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[ 9889.114796] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9889.114796] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9889.114796] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9889.114796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9889.114796] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9889.114796] Stack:
>[ 9889.114796]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[ 9889.114796]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9889.114796]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[ 9889.114796] Call Trace:
>[ 9889.114796]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[ 9889.114796]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9889.114796]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9889.114796]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9889.114796]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9889.114796]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9889.114796]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9889.114796]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9889.114796]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9889.114796] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[ 9917.114539] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[ 9917.114539] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9917.114539] irq event stamp: 2115112750
>[ 9917.114539] hardirqs last  enabled at (2115112749): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9917.114539] hardirqs last disabled at (2115112750): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9917.114539] softirqs last  enabled at (2115112538): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9917.114539] softirqs last disabled at (2115112533): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9917.114539] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9917.114539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9917.114539] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9917.114539] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9917.114539] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000206
>[ 9917.114539] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 9917.114539] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 9917.114539] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9917.114539] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9917.114539] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 9917.114539] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9917.114539] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9917.114539] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9917.114539] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9917.114539] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9917.114539] Stack:
>[ 9917.114539]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 9917.114539]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 9917.114539]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9917.114539] Call Trace:
>[ 9917.114539]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 9917.114539]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9917.114539]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9917.114539]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9917.114539]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9917.114539]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9917.114539]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9917.114539]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9917.114539]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9917.114539]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9917.114539] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9944.824305] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=9815252 jiffies, g=9748, c=9747, q=1)
>[ 9944.824327] INFO: Stall ended before state dump start
>[ 9969.114634] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9969.114634] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9969.114634] irq event stamp: 2126362132
>[ 9969.114634] hardirqs last  enabled at (2126362131): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[ 9969.114634] hardirqs last disabled at (2126362132): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9969.114634] softirqs last  enabled at (2126361936): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9969.114634] softirqs last disabled at (2126361931): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9969.114634] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9969.114634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9969.114634] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9969.114634] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[ 9969.114634] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000202
>[ 9969.114634] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[ 9969.114634] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[ 9969.114634] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[ 9969.114634] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[ 9969.114634] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[ 9969.114634] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9969.114634] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9969.114634] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9969.114634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9969.114634] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9969.114634] Stack:
>[ 9969.114634]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[ 9969.114634]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[ 9969.114634]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[ 9969.114634] Call Trace:
>[ 9969.114634]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[ 9969.114634]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9969.114634]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9969.114634]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9969.114634]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9969.114634]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9969.114634]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9969.114634]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9969.114634]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9969.114634]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9969.114634] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[ 9997.114377] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[ 9997.114377] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[ 9997.114377] irq event stamp: 2132487390
>[ 9997.114377] hardirqs last  enabled at (2132487389): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[ 9997.114377] hardirqs last disabled at (2132487390): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[ 9997.114377] softirqs last  enabled at (2132487220): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[ 9997.114377] softirqs last disabled at (2132487215): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[ 9997.114377] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[ 9997.114377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[ 9997.114377] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[ 9997.114377] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[ 9997.114377] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[ 9997.114377] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[ 9997.114377] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[ 9997.114377] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[ 9997.114377] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[ 9997.114377] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[ 9997.114377] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[ 9997.114377] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[ 9997.114377] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[ 9997.114377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[ 9997.114377] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[ 9997.114377] Stack:
>[ 9997.114377]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[ 9997.114377]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[ 9997.114377]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[ 9997.114377] Call Trace:
>[ 9997.114377]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[ 9997.114377]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[ 9997.114377]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[ 9997.114377]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[ 9997.114377]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[ 9997.114377]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[ 9997.114377]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[ 9997.114377]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[ 9997.114377]  [<ffffffff810a01df>] kthread+0xff/0x120
>[ 9997.114377]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9997.114377]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[ 9997.114377]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[ 9997.114377] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[10025.114121] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10025.114121] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10025.114121] irq event stamp: 2138482822
>[10025.114121] hardirqs last  enabled at (2138482821): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10025.114121] hardirqs last disabled at (2138482822): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10025.114121] softirqs last  enabled at (2138482598): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10025.114121] softirqs last disabled at (2138482593): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10025.114121] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10025.114121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10025.114121] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10025.114121] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10025.114121] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10025.114121] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10025.114121] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10025.114121] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10025.114121] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10025.114121] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10025.114121] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10025.114121] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10025.114121] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10025.114121] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10025.114121] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10025.114121] Stack:
>[10025.114121]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10025.114121]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10025.114121]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10025.114121] Call Trace:
>[10025.114121]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10025.114121]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10025.114121]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10025.114121]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10025.114121]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10025.114121]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10025.114121]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10025.114121]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10025.114121]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10025.114121] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10053.114864] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10053.114864] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10053.114864] irq event stamp: 2144570636
>[10053.114864] hardirqs last  enabled at (2144570635): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10053.114864] hardirqs last disabled at (2144570636): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10053.114864] softirqs last  enabled at (2144570428): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10053.114864] softirqs last disabled at (2144570423): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10053.114864] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10053.114864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10053.114864] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10053.114864] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10053.114864] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[10053.114864] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10053.114864] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[10053.114864] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[10053.114864] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10053.114864] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[10053.114864] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10053.114864] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10053.114864] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10053.114864] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10053.114864] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10053.114864] Stack:
>[10053.114864]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[10053.114864]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[10053.114864]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[10053.114864] Call Trace:
>[10053.114864]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10053.114864]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[10053.114864]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10053.114864]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10053.114864]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10053.114864]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10053.114864]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10053.114864]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10053.114864]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10053.114864]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10053.114864]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10053.114864] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10081.114607] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10081.114607] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10081.114607] irq event stamp: 2150755804
>[10081.114607] hardirqs last  enabled at (2150755803): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[10081.114607] hardirqs last disabled at (2150755804): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10081.114607] softirqs last  enabled at (2150755582): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10081.114607] softirqs last disabled at (2150755577): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10081.114607] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10081.114607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10081.114607] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10081.114607] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[10081.114607] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[10081.114607] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[10081.114607] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[10081.114607] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10081.114607] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[10081.114607] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10081.114607] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10081.114607] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10081.114607] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10081.114607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10081.114607] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10081.114607] Stack:
>[10081.114607]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[10081.114607]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[10081.114607]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[10081.114607] Call Trace:
>[10081.114607]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[10081.114607]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[10081.114607]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10081.114607]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10081.114607]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10081.114607]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10081.114607]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10081.114607]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10081.114607]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10081.114607]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10081.114607]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10081.114607] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[10109.114351] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10109.114351] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10109.114351] irq event stamp: 2156704248
>[10109.114351] hardirqs last  enabled at (2156704247): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[10109.114351] hardirqs last disabled at (2156704248): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10109.114351] softirqs last  enabled at (2156704030): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10109.114351] softirqs last disabled at (2156704025): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10109.114351] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10109.114351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10109.114351] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10109.114351] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[10109.114351] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[10109.114351] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[10109.114351] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[10109.114351] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10109.114351] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[10109.114351] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10109.114351] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10109.114351] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10109.114351] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10109.114351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10109.114351] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10109.114351] Stack:
>[10109.114351]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[10109.114351]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[10109.114351]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[10109.114351] Call Trace:
>[10109.114351]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[10109.114351]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[10109.114351]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10109.114351]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10109.114351]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10109.114351]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10109.114351]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10109.114351]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10109.114351]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10109.114351]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10109.114351]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10109.114351] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[10137.114094] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10137.114094] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10137.114094] irq event stamp: 2162699022
>[10137.114094] hardirqs last  enabled at (2162699021): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10137.114094] hardirqs last disabled at (2162699022): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10137.114094] softirqs last  enabled at (2162698816): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10137.114094] softirqs last disabled at (2162698811): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10137.114094] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10137.114094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10137.114094] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10137.114094] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10137.114094] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[10137.114094] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[10137.114094] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[10137.114094] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10137.114094] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10137.114094] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[10137.114094] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10137.114094] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10137.114094] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10137.114094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10137.114094] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10137.114094] Stack:
>[10137.114094]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[10137.114094]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[10137.114094]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10137.114094] Call Trace:
>[10137.114094]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[10137.114094]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[10137.114094]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10137.114094]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10137.114094]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10137.114094]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10137.114094]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10137.114094]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10137.114094]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10137.114094]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10137.114094] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10139.799686] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=10010257 jiffies, g=9748, c=9747, q=1)
>[10139.799686] INFO: Stall ended before state dump start
>[10165.114837] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10165.114837] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10165.114837] irq event stamp: 2168626508
>[10165.114837] hardirqs last  enabled at (2168626507): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10165.114837] hardirqs last disabled at (2168626508): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10165.114837] softirqs last  enabled at (2168626284): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10165.114837] softirqs last disabled at (2168626279): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10165.114837] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10165.114837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10165.114837] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10165.114837] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10165.114837] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[10165.114837] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[10165.114837] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[10165.114837] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[10165.114837] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10165.114837] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10165.114837] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10165.114837] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10165.114837] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10165.114837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10165.114837] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10165.114837] Stack:
>[10165.114837]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[10165.114837]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[10165.114837]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[10165.114837] Call Trace:
>[10165.114837]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10165.114837]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[10165.114837]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[10165.114837]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10165.114837]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10165.114837]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10165.114837]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10165.114837]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10165.114837]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10165.114837]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10165.114837]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10165.114837]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10165.114837]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10165.114837] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10193.114581] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10193.114581] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10193.114581] irq event stamp: 2174621798
>[10193.114581] hardirqs last  enabled at (2174621797): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[10193.114581] hardirqs last disabled at (2174621798): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10193.114581] softirqs last  enabled at (2174621586): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10193.114581] softirqs last disabled at (2174621581): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10193.114581] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10193.114581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10193.114581] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10193.114581] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[10193.114581] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[10193.114581] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[10193.114581] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[10193.114581] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[10193.114581] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10193.114581] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[10193.114581] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10193.114581] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10193.114581] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10193.114581] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10193.114581] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10193.114581] Stack:
>[10193.114581]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[10193.114581]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[10193.114581]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[10193.114581] Call Trace:
>[10193.114581]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[10193.114581]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[10193.114581]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10193.114581]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10193.114581]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10193.114581]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10193.114581]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10193.114581]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10193.114581]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10193.114581]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10193.114581]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10193.114581]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10193.114581] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[10221.114324] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10221.114324] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10221.114324] irq event stamp: 2180825332
>[10221.114324] hardirqs last  enabled at (2180825331): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10221.114324] hardirqs last disabled at (2180825332): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10221.114324] softirqs last  enabled at (2180825126): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10221.114324] softirqs last disabled at (2180825121): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10221.114324] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10221.114324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10221.114324] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10221.114324] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10221.114324] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[10221.114324] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[10221.114324] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[10221.114324] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10221.114324] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10221.114324] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[10221.114324] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10221.114324] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10221.114324] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10221.114324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10221.114324] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10221.114324] Stack:
>[10221.114324]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[10221.114324]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[10221.114324]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10221.114324] Call Trace:
>[10221.114324]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[10221.114324]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[10221.114324]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10221.114324]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10221.114324]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10221.114324]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10221.114324]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10221.114324]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10221.114324]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10221.114324]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10221.114324] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10249.114067] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10249.114067] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10249.114067] irq event stamp: 2186938834
>[10249.114067] hardirqs last  enabled at (2186938833): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10249.114067] hardirqs last disabled at (2186938834): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10249.114067] softirqs last  enabled at (2186938648): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10249.114067] softirqs last disabled at (2186938643): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10249.114067] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10249.114067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10249.114067] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10249.114067] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10249.114067] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10249.114067] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10249.114067] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10249.114067] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10249.114067] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10249.114067] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10249.114067] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10249.114067] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10249.114067] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10249.114067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10249.114067] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10249.114067] Stack:
>[10249.114067]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10249.114067]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10249.114067]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10249.114067] Call Trace:
>[10249.114067]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10249.114067]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10249.114067]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10249.114067]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10249.114067]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10249.114067]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10249.114067]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10249.114067]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10249.114067]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10249.114067] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10277.114811] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10277.114811] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10277.114811] irq event stamp: 2192944644
>[10277.114811] hardirqs last  enabled at (2192944643): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10277.114811] hardirqs last disabled at (2192944644): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10277.114811] softirqs last  enabled at (2192944440): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10277.114811] softirqs last disabled at (2192944435): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10277.114811] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10277.114811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10277.114811] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10277.114811] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10277.114811] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10277.114811] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10277.114811] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10277.114811] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10277.114811] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10277.114811] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10277.114811] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10277.114811] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10277.114811] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10277.114811] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10277.114811] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10277.114811] Stack:
>[10277.114811]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10277.114811]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10277.114811]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10277.114811] Call Trace:
>[10277.114811]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10277.114811]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10277.114811]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10277.114811]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10277.114811]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10277.114811]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10277.114811]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10277.114811]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10277.114811]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10277.114811] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10305.114554] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10305.114554] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10305.114554] irq event stamp: 2198966086
>[10305.114554] hardirqs last  enabled at (2198966085): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10305.114554] hardirqs last disabled at (2198966086): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10305.114554] softirqs last  enabled at (2198965890): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10305.114554] softirqs last disabled at (2198965885): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10305.114554] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10305.114554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10305.114554] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10305.114554] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10305.114554] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10305.114554] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10305.114554] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10305.114554] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10305.114554] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10305.114554] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10305.114554] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10305.114554] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10305.114554] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10305.114554] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10305.114554] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10305.114554] Stack:
>[10305.114554]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10305.114554]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10305.114554]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10305.114554] Call Trace:
>[10305.114554]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10305.114554]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10305.114554]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10305.114554]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10305.114554]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10305.114554]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10305.114554]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10305.114554]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10305.114554]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10305.114554] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10333.114297] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10333.114297] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10333.114297] irq event stamp: 2205169432
>[10333.114297] hardirqs last  enabled at (2205169431): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10333.114297] hardirqs last disabled at (2205169432): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10333.114297] softirqs last  enabled at (2205169228): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10333.114297] softirqs last disabled at (2205169223): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10333.114297] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10333.114297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10333.114297] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10333.114297] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10333.114297] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[10333.114297] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10333.114297] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[10333.114297] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[10333.114297] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10333.114297] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[10333.114297] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10333.114297] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10333.114297] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10333.114297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10333.114297] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10333.114297] Stack:
>[10333.114297]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[10333.114297]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[10333.114297]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[10333.114297] Call Trace:
>[10333.114297]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10333.114297]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[10333.114297]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10333.114297]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10333.114297]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10333.114297]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10333.114297]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10333.114297]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10333.114297]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10333.114297]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10333.114297]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10333.114297] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10334.775045] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=10205262 jiffies, g=9748, c=9747, q=1)
>[10334.775045] INFO: Stall ended before state dump start
>[10361.114041] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10361.114041] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10361.114041] irq event stamp: 2211243306
>[10361.114041] hardirqs last  enabled at (2211243305): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10361.114041] hardirqs last disabled at (2211243306): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10361.114041] softirqs last  enabled at (2211243092): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10361.114041] softirqs last disabled at (2211243087): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10361.114041] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10361.114041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10361.114041] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10361.114041] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10361.114041] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10361.114041] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10361.114041] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10361.114041] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10361.114041] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10361.114041] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10361.114041] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10361.114041] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10361.114041] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10361.114041] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10361.114041] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10361.114041] Stack:
>[10361.114041]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10361.114041]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10361.114041]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10361.114041] Call Trace:
>[10361.114041]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10361.114041]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10361.114041]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10361.114041]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10361.114041]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10361.114041]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10361.114041]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10361.114041]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10361.114041]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10361.114041] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10389.114784] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10389.114784] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10389.114784] irq event stamp: 2217382328
>[10389.114784] hardirqs last  enabled at (2217382327): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10389.114784] hardirqs last disabled at (2217382328): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10389.114784] softirqs last  enabled at (2217382116): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10389.114784] softirqs last disabled at (2217382111): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10389.114784] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10389.114784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10389.114784] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10389.114784] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10389.114784] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[10389.114784] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[10389.114784] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[10389.114784] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[10389.114784] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10389.114784] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10389.114784] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10389.114784] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10389.114784] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10389.114784] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10389.114784] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10389.114784] Stack:
>[10389.114784]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[10389.114784]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[10389.114784]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[10389.114784] Call Trace:
>[10389.114784]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10389.114784]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[10389.114784]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[10389.114784]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10389.114784]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10389.114784]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10389.114784]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10389.114784]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10389.114784]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10389.114784]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10389.114784]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10389.114784]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10389.114784]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10389.114784] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10417.114527] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10417.114527] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10417.114527] irq event stamp: 2223257382
>[10417.114527] hardirqs last  enabled at (2223257381): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10417.114527] hardirqs last disabled at (2223257382): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10417.114527] softirqs last  enabled at (2223257170): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10417.114527] softirqs last disabled at (2223257165): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10417.114527] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10417.114527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10417.114527] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10417.114527] RIP: 0010:[<ffffffff81594ff0>]  [<ffffffff81594ff0>] mddev_unlock+0x0/0xe0
>[10417.114527] RSP: 0018:ffff8800184dbcb8  EFLAGS: 00000246
>[10417.114527] RAX: ffff88001844a5f0 RBX: ffffffff810d1a65 RCX: 0000000000000006
>[10417.114527] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff8800188f0948
>[10417.114527] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10417.114527] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
>[10417.114527] R13: 0000000000000001 R14: 0000000000000003 R15: ffffffff8175f926
>[10417.114527] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10417.114527] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10417.114527] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10417.114527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10417.114527] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10417.114527] Stack:
>[10417.114527]  ffffffff8159e94a ffff880019835068 ffff8800195c7450 ffff8800195c7460
>[10417.114527]  ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0 ffff880019835068
>[10417.114527]  7fffffffffffffff ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b
>[10417.114527] Call Trace:
>[10417.114527]  [<ffffffff8159e94a>] ? md_check_recovery+0x16a/0x4f0
>[10417.114527]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10417.114527]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10417.114527]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10417.114527]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10417.114527]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10417.114527]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10417.114527]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10417.114527]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10417.114527]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10417.114527] Code: 00 00 85 c0 74 11 48 8b bf a0 03 00 00 48 85 ff 74 05 e8 54 eb ce ff 48 8b bb 48 01 00 00 e8 c8 fe ff ff 5b 5d c3 0f 1f 44 00 00 <66> 66 66 66 90 55 48 89 e5 41 54 53 4c 8b a7 50 06 00 00 48 89 
>[10445.114271] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10445.114271] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10445.114271] irq event stamp: 2229355798
>[10445.114271] hardirqs last  enabled at (2229355797): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10445.114271] hardirqs last disabled at (2229355798): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10445.114271] softirqs last  enabled at (2229355580): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10445.114271] softirqs last disabled at (2229355575): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10445.114271] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10445.114271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10445.114271] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10445.114271] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10445.114271] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[10445.114271] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[10445.114271] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[10445.114271] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[10445.114271] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10445.114271] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10445.114271] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10445.114271] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10445.114271] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10445.114271] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10445.114271] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10445.114271] Stack:
>[10445.114271]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[10445.114271]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[10445.114271]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[10445.114271] Call Trace:
>[10445.114271]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10445.114271]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[10445.114271]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[10445.114271]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10445.114271]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10445.114271]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10445.114271]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10445.114271]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10445.114271]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10445.114271]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10445.114271]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10445.114271]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10445.114271]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10445.114271] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10473.113967] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10473.114014] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10473.114014] irq event stamp: 2235529828
>[10473.114014] hardirqs last  enabled at (2235529827): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10473.114014] hardirqs last disabled at (2235529828): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10473.114014] softirqs last  enabled at (2235529638): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10473.114014] softirqs last disabled at (2235529633): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10473.114014] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10473.114014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10473.114014] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10473.114014] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10473.114014] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[10473.114014] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[10473.114014] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[10473.114014] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10473.114014] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10473.114014] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[10473.114014] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10473.114014] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10473.114014] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10473.114014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10473.114014] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10473.114014] Stack:
>[10473.114014]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[10473.114014]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[10473.114014]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10473.114014] Call Trace:
>[10473.114014]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[10473.114014]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[10473.114014]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10473.114014]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10473.114014]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10473.114014]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10473.114014]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10473.114014]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10473.114014]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10473.114014]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10473.114014] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10501.114758] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10501.114758] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10501.114758] irq event stamp: 2241486602
>[10501.114758] hardirqs last  enabled at (2241486601): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[10501.114758] hardirqs last disabled at (2241486602): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10501.114758] softirqs last  enabled at (2241486386): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10501.114758] softirqs last disabled at (2241486381): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10501.114758] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10501.114758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10501.114758] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10501.114758] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[10501.114758] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[10501.114758] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[10501.114758] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[10501.114758] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10501.114758] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[10501.114758] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10501.114758] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10501.114758] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10501.114758] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10501.114758] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10501.114758] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10501.114758] Stack:
>[10501.114758]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[10501.114758]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[10501.114758]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[10501.114758] Call Trace:
>[10501.114758]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[10501.114758]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[10501.114758]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10501.114758]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10501.114758]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10501.114758]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10501.114758]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10501.114758]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10501.114758]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10501.114758]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10501.114758]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10501.114758] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[10529.114501] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10529.114501] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10529.114501] irq event stamp: 2247475026
>[10529.114501] hardirqs last  enabled at (2247475025): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10529.114501] hardirqs last disabled at (2247475026): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10529.114501] softirqs last  enabled at (2247474852): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10529.114501] softirqs last disabled at (2247474847): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10529.114501] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10529.114501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10529.114501] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10529.114501] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10529.114501] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[10529.114501] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10529.114501] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[10529.114501] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10529.114501] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10529.114501] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[10529.114501] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10529.114501] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10529.114501] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10529.114501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10529.114501] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10529.114501] Stack:
>[10529.114501]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[10529.114501]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[10529.114501]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10529.114501] Call Trace:
>[10529.114501]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[10529.114501]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10529.114501]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10529.114501]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10529.114501]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10529.114501]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10529.114501]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10529.114501]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10529.114501]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10529.114501]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10529.114501] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10529.750404] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=10400267 jiffies, g=9748, c=9747, q=1)
>[10529.750404] INFO: Stall ended before state dump start
>[10557.114244] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10557.114244] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10557.114244] irq event stamp: 2253491412
>[10557.114244] hardirqs last  enabled at (2253491411): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10557.114244] hardirqs last disabled at (2253491412): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10557.114244] softirqs last  enabled at (2253491188): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10557.114244] softirqs last disabled at (2253491183): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10557.114244] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10557.114244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10557.114244] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10557.114244] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10557.114244] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[10557.114244] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[10557.114244] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[10557.114244] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10557.114244] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10557.114244] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[10557.114244] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10557.114244] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10557.114244] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10557.114244] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10557.114244] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10557.114244] Stack:
>[10557.114244]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[10557.114244]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[10557.114244]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10557.114244] Call Trace:
>[10557.114244]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[10557.114244]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[10557.114244]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10557.114244]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10557.114244]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10557.114244]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10557.114244]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10557.114244]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10557.114244]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10557.114244]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10557.114244] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10585.114988] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10585.114988] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10585.114988] irq event stamp: 2259589856
>[10585.114988] hardirqs last  enabled at (2259589855): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10585.114988] hardirqs last disabled at (2259589856): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10585.114988] softirqs last  enabled at (2259589634): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10585.114988] softirqs last disabled at (2259589629): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10585.114988] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10585.114988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10585.114988] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10585.114988] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10585.114988] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[10585.114988] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10585.114988] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[10585.114988] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[10585.114988] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10585.114988] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[10585.114988] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10585.114988] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10585.114988] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10585.114988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10585.114988] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10585.114988] Stack:
>[10585.114988]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[10585.114988]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[10585.114988]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[10585.114988] Call Trace:
>[10585.114988]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10585.114988]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[10585.114988]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10585.114988]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10585.114988]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10585.114988]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10585.114988]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10585.114988]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10585.114988]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10585.114988]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10585.114988]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10585.114988] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10613.114731] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10613.114731] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10613.114731] irq event stamp: 2265691100
>[10613.114731] hardirqs last  enabled at (2265691099): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10613.114731] hardirqs last disabled at (2265691100): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10613.114731] softirqs last  enabled at (2265690884): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10613.114731] softirqs last disabled at (2265690879): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10613.114731] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10613.114731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10613.114731] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10613.114731] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10613.114731] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10613.114731] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10613.114731] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10613.114731] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10613.114731] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10613.114731] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10613.114731] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10613.114731] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10613.114731] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10613.114731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10613.114731] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10613.114731] Stack:
>[10613.114731]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10613.114731]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10613.114731]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10613.114731] Call Trace:
>[10613.114731]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10613.114731]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10613.114731]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10613.114731]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10613.114731]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10613.114731]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10613.114731]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10613.114731]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10613.114731]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10613.114731] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10641.114474] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10641.114474] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10641.114474] irq event stamp: 2271795656
>[10641.114474] hardirqs last  enabled at (2271795655): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10641.114474] hardirqs last disabled at (2271795656): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10641.114474] softirqs last  enabled at (2271795440): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10641.114474] softirqs last disabled at (2271795435): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10641.114474] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10641.114474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10641.114474] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10641.114474] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10641.114474] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[10641.114474] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[10641.114474] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[10641.114474] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10641.114474] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10641.114474] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[10641.114474] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10641.114474] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10641.114474] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10641.114474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10641.114474] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10641.114474] Stack:
>[10641.114474]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[10641.114474]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[10641.114474]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10641.114474] Call Trace:
>[10641.114474]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[10641.114474]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[10641.114474]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10641.114474]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10641.114474]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10641.114474]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10641.114474]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10641.114474]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10641.114474]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10641.114474]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10641.114474] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10669.114218] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10669.114218] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10669.114218] irq event stamp: 2277819864
>[10669.114218] hardirqs last  enabled at (2277819863): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10669.114218] hardirqs last disabled at (2277819864): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10669.114218] softirqs last  enabled at (2277819644): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10669.114218] softirqs last disabled at (2277819639): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10669.114218] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10669.114218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10669.114218] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10669.114218] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10669.114218] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10669.114218] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10669.114218] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10669.114218] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10669.114218] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10669.114218] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10669.114218] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10669.114218] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10669.114218] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10669.114218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10669.114218] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10669.114218] Stack:
>[10669.114218]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10669.114218]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10669.114218]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10669.114218] Call Trace:
>[10669.114218]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10669.114218]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10669.114218]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10669.114218]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10669.114218]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10669.114218]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10669.114218]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10669.114218]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10669.114218]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10669.114218] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10697.114961] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10697.114961] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10697.114961] irq event stamp: 2284050330
>[10697.114961] hardirqs last  enabled at (2284050329): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10697.114961] hardirqs last disabled at (2284050330): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10697.114961] softirqs last  enabled at (2284050116): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10697.114961] softirqs last disabled at (2284050111): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10697.114961] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10697.114961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10697.114961] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10697.114961] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10697.114961] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[10697.114961] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10697.114961] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[10697.114961] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10697.114961] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10697.114961] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[10697.114961] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10697.114961] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10697.114961] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10697.114961] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10697.114961] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10697.114961] Stack:
>[10697.114961]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[10697.114961]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[10697.114961]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10697.114961] Call Trace:
>[10697.114961]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[10697.114961]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10697.114961]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10697.114961]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10697.114961]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10697.114961]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10697.114961]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10697.114961]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10697.114961]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10697.114961]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10697.114961] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10724.725763] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=10595272 jiffies, g=9748, c=9747, q=1)
>[10724.725763] INFO: Stall ended before state dump start
>[10749.114056] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10749.114056] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10749.114056] irq event stamp: 2295345070
>[10749.114056] hardirqs last  enabled at (2295345069): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10749.114056] hardirqs last disabled at (2295345070): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10749.114056] softirqs last  enabled at (2295344854): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10749.114056] softirqs last disabled at (2295344849): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10749.114056] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10749.114056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10749.114056] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10749.114056] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10749.114056] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10749.114056] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10749.114056] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10749.114056] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10749.114056] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10749.114056] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10749.114056] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10749.114056] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10749.114056] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10749.114056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10749.114056] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10749.114056] Stack:
>[10749.114056]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10749.114056]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10749.114056]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10749.114056] Call Trace:
>[10749.114056]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10749.114056]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10749.114056]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10749.114056]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10749.114056]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10749.114056]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10749.114056]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10749.114056]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10749.114056]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10749.114056] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10777.114799] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10777.114799] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10777.114799] irq event stamp: 2301585736
>[10777.114799] hardirqs last  enabled at (2301585735): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10777.114799] hardirqs last disabled at (2301585736): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10777.114799] softirqs last  enabled at (2301585520): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10777.114799] softirqs last disabled at (2301585515): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10777.114799] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10777.114799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10777.114799] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10777.114799] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10777.114799] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[10777.114799] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[10777.114799] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[10777.114799] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[10777.114799] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10777.114799] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10777.114799] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10777.114799] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10777.114799] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10777.114799] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10777.114799] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10777.114799] Stack:
>[10777.114799]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[10777.114799]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[10777.114799]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[10777.114799] Call Trace:
>[10777.114799]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10777.114799]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[10777.114799]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[10777.114799]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10777.114799]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10777.114799]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10777.114799]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10777.114799]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10777.114799]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10777.114799]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10777.114799]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10777.114799]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10777.114799]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10777.114799] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10805.114543] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10805.114543] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10805.114543] irq event stamp: 2307761852
>[10805.114543] hardirqs last  enabled at (2307761851): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10805.114543] hardirqs last disabled at (2307761852): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10805.114543] softirqs last  enabled at (2307761654): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10805.114543] softirqs last disabled at (2307761649): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10805.114543] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10805.114543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10805.114543] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10805.114543] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10805.114543] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[10805.114543] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[10805.114543] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[10805.114543] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[10805.114543] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10805.114543] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10805.114543] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10805.114543] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10805.114543] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10805.114543] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10805.114543] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10805.114543] Stack:
>[10805.114543]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[10805.114543]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[10805.114543]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[10805.114543] Call Trace:
>[10805.114543]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10805.114543]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[10805.114543]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[10805.114543]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10805.114543]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10805.114543]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10805.114543]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10805.114543]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10805.114543]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10805.114543]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10805.114543]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10805.114543]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10805.114543]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10805.114543] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10833.114286] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10833.114286] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10833.114286] irq event stamp: 2313790352
>[10833.114286] hardirqs last  enabled at (2313790351): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10833.114286] hardirqs last disabled at (2313790352): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10833.114286] softirqs last  enabled at (2313790132): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10833.114286] softirqs last disabled at (2313790127): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10833.114286] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10833.114286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10833.114286] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10833.114286] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10833.114286] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[10833.114286] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10833.114286] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[10833.114286] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[10833.114286] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10833.114286] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[10833.114286] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10833.114286] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10833.114286] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10833.114286] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10833.114286] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10833.114286] Stack:
>[10833.114286]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[10833.114286]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[10833.114286]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[10833.114286] Call Trace:
>[10833.114286]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10833.114286]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[10833.114286]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10833.114286]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10833.114286]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10833.114286]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10833.114286]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10833.114286]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10833.114286]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10833.114286]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10833.114286]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10833.114286] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10861.114029] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10861.114029] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10861.114029] irq event stamp: 2319639592
>[10861.114029] hardirqs last  enabled at (2319639591): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10861.114029] hardirqs last disabled at (2319639592): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10861.114029] softirqs last  enabled at (2319639374): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10861.114029] softirqs last disabled at (2319639369): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10861.114029] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10861.114029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10861.114029] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10861.114029] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10861.114029] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[10861.114029] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[10861.114029] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[10861.114029] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[10861.114029] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10861.114029] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[10861.114029] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10861.114029] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10861.114029] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10861.114029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10861.114029] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10861.114029] Stack:
>[10861.114029]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[10861.114029]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10861.114029]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[10861.114029] Call Trace:
>[10861.114029]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[10861.114029]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10861.114029]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10861.114029]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10861.114029]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10861.114029]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10861.114029]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10861.114029]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10861.114029]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10861.114029] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10889.114773] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[10889.114773] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10889.114773] irq event stamp: 2325660400
>[10889.114773] hardirqs last  enabled at (2325660399): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10889.114773] hardirqs last disabled at (2325660400): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10889.114773] softirqs last  enabled at (2325660234): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10889.114773] softirqs last disabled at (2325660229): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10889.114773] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10889.114773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10889.114773] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10889.114773] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10889.114773] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[10889.114773] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[10889.114773] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[10889.114773] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10889.114773] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[10889.114773] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[10889.114773] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10889.114773] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10889.114773] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10889.114773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10889.114773] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10889.114773] Stack:
>[10889.114773]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[10889.114773]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[10889.114773]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10889.114773] Call Trace:
>[10889.114773]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[10889.114773]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[10889.114773]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10889.114773]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10889.114773]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10889.114773]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10889.114773]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10889.114773]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10889.114773]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10889.114773]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10889.114773] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10917.114516] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10917.114516] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10917.114516] irq event stamp: 2331620530
>[10917.114516] hardirqs last  enabled at (2331620529): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[10917.114516] hardirqs last disabled at (2331620530): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10917.114516] softirqs last  enabled at (2331620340): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10917.114516] softirqs last disabled at (2331620335): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10917.114516] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10917.114516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10917.114516] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10917.114516] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[10917.114516] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[10917.114516] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[10917.114516] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[10917.114516] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[10917.114516] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10917.114516] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[10917.114516] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10917.114516] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10917.114516] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10917.114516] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10917.114516] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10917.114516] Stack:
>[10917.114516]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[10917.114516]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[10917.114516]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[10917.114516] Call Trace:
>[10917.114516]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[10917.114516]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10917.114516]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10917.114516]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10917.114516]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10917.114516]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10917.114516]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10917.114516]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10917.114516]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10917.114516]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10917.114516] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[10919.701123] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=10790277 jiffies, g=9748, c=9747, q=1)
>[10919.701123] INFO: Stall ended before state dump start
>[10945.114259] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10945.114259] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10945.114259] irq event stamp: 2337735774
>[10945.114259] hardirqs last  enabled at (2337735773): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10945.114259] hardirqs last disabled at (2337735774): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10945.114259] softirqs last  enabled at (2337735576): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10945.114259] softirqs last disabled at (2337735571): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10945.114259] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10945.114259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10945.114259] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10945.114259] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[10945.114259] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[10945.114259] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[10945.114259] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[10945.114259] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[10945.114259] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[10945.114259] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[10945.114259] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10945.114259] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10945.114259] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10945.114259] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10945.114259] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10945.114259] Stack:
>[10945.114259]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[10945.114259]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[10945.114259]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[10945.114259] Call Trace:
>[10945.114259]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[10945.114259]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[10945.114259]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[10945.114259]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[10945.114259]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[10945.114259]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[10945.114259]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[10945.114259]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10945.114259]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10945.114259]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10945.114259]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10945.114259]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10945.114259]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10945.114259] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[10973.114003] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[10973.114003] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[10973.114003] irq event stamp: 2343787522
>[10973.114003] hardirqs last  enabled at (2343787521): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[10973.114003] hardirqs last disabled at (2343787522): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[10973.114003] softirqs last  enabled at (2343787310): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[10973.114003] softirqs last disabled at (2343787305): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[10973.114003] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[10973.114003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[10973.114003] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[10973.114003] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[10973.114003] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[10973.114003] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[10973.114003] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[10973.114003] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[10973.114003] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[10973.114003] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[10973.114003] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[10973.114003] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[10973.114003] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[10973.114003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[10973.114003] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[10973.114003] Stack:
>[10973.114003]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[10973.114003]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[10973.114003]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[10973.114003] Call Trace:
>[10973.114003]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[10973.114003]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[10973.114003]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[10973.114003]  [<ffffffff810a01df>] kthread+0xff/0x120
>[10973.114003]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10973.114003]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[10973.114003]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[10973.114003] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[11001.114746] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11001.114746] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11001.114746] irq event stamp: 2349895244
>[11001.114746] hardirqs last  enabled at (2349895243): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11001.114746] hardirqs last disabled at (2349895244): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11001.114746] softirqs last  enabled at (2349895028): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11001.114746] softirqs last disabled at (2349895023): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11001.114746] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11001.114746] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11001.114746] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11001.114746] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11001.114746] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[11001.114746] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11001.114746] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11001.114746] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11001.114746] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11001.114746] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11001.114746] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11001.114746] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11001.114746] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11001.114746] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11001.114746] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11001.114746] Stack:
>[11001.114746]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11001.114746]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11001.114746]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11001.114746] Call Trace:
>[11001.114746]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11001.114746]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11001.114746]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11001.114746]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11001.114746]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11001.114746]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11001.114746]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11001.114746]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11001.114746]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11001.114746]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11001.114746] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11029.114489] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11029.114489] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11029.114489] irq event stamp: 2355912786
>[11029.114489] hardirqs last  enabled at (2355912785): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11029.114489] hardirqs last disabled at (2355912786): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11029.114489] softirqs last  enabled at (2355912576): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11029.114489] softirqs last disabled at (2355912571): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11029.114489] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11029.114489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11029.114489] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11029.114489] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11029.114489] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[11029.114489] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11029.114489] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11029.114489] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11029.114489] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11029.114489] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11029.114489] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11029.114489] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11029.114489] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11029.114489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11029.114489] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11029.114489] Stack:
>[11029.114489]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11029.114489]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11029.114489]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11029.114489] Call Trace:
>[11029.114489]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11029.114489]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11029.114489]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11029.114489]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11029.114489]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11029.114489]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11029.114489]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11029.114489]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11029.114489]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11029.114489]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11029.114489] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11057.114233] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11057.114233] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11057.114233] irq event stamp: 2362033334
>[11057.114233] hardirqs last  enabled at (2362033333): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11057.114233] hardirqs last disabled at (2362033334): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11057.114233] softirqs last  enabled at (2362033132): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11057.114233] softirqs last disabled at (2362033127): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11057.114233] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11057.114233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11057.114233] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11057.114233] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11057.114233] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[11057.114233] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[11057.114233] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[11057.114233] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[11057.114233] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11057.114233] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[11057.114233] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11057.114233] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11057.114233] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11057.114233] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11057.114233] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11057.114233] Stack:
>[11057.114233]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[11057.114233]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11057.114233]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[11057.114233] Call Trace:
>[11057.114233]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[11057.114233]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11057.114233]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11057.114233]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11057.114233]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11057.114233]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11057.114233]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11057.114233]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11057.114233]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11057.114233] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11085.114976] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11085.114976] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11085.114976] irq event stamp: 2368188596
>[11085.114976] hardirqs last  enabled at (2368188595): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[11085.114976] hardirqs last disabled at (2368188596): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11085.114976] softirqs last  enabled at (2368188382): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11085.114976] softirqs last disabled at (2368188377): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11085.114976] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11085.114976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11085.114976] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11085.114976] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[11085.114976] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[11085.114976] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[11085.114976] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[11085.114976] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11085.114976] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[11085.114976] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11085.114976] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11085.114976] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11085.114976] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11085.114976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11085.114976] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11085.114976] Stack:
>[11085.114976]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[11085.114976]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[11085.114976]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[11085.114976] Call Trace:
>[11085.114976]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[11085.114976]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[11085.114976]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11085.114976]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11085.114976]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11085.114976]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11085.114976]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11085.114976]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11085.114976]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11085.114976]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11085.114976]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11085.114976] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[11113.114673] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11113.114719] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11113.114719] irq event stamp: 2374348136
>[11113.114719] hardirqs last  enabled at (2374348135): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11113.114719] hardirqs last disabled at (2374348136): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11113.114719] softirqs last  enabled at (2374347948): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11113.114719] softirqs last disabled at (2374347943): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11113.114719] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11113.114719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11113.114719] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11113.114719] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11113.114719] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[11113.114719] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[11113.114719] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[11113.114719] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11113.114719] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11113.114719] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[11113.114719] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11113.114719] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11113.114719] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11113.114719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11113.114719] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11113.114719] Stack:
>[11113.114719]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[11113.114719]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[11113.114719]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11113.114719] Call Trace:
>[11113.114719]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[11113.114719]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11113.114719]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11113.114719]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11113.114719]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11113.114719]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11113.114719]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11113.114719]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11113.114719]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11113.114719]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11113.114719] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11114.676482] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=10985282 jiffies, g=9748, c=9747, q=1)
>[11114.676482] INFO: Stall ended before state dump start
>[11141.114428] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11141.114463] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11141.114463] irq event stamp: 2380450842
>[11141.114463] hardirqs last  enabled at (2380450841): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11141.114463] hardirqs last disabled at (2380450842): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11141.114463] softirqs last  enabled at (2380450646): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11141.114463] softirqs last disabled at (2380450641): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11141.114463] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11141.114463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11141.114463] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11141.114463] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11141.114463] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[11141.114463] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[11141.114463] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[11141.114463] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[11141.114463] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11141.114463] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11141.114463] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11141.114463] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11141.114463] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11141.114463] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11141.114463] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11141.114463] Stack:
>[11141.114463]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[11141.114463]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11141.114463]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[11141.114463] Call Trace:
>[11141.114463]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11141.114463]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[11141.114463]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[11141.114463]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11141.114463]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11141.114463]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11141.114463]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11141.114463]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11141.114463]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11141.114463]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11141.114463]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11141.114463]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11141.114463]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11141.114463] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11169.114206] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11169.114206] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11169.114206] irq event stamp: 2386267934
>[11169.114206] hardirqs last  enabled at (2386267933): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11169.114206] hardirqs last disabled at (2386267934): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11169.114206] softirqs last  enabled at (2386267728): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11169.114206] softirqs last disabled at (2386267723): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11169.114206] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11169.114206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11169.114206] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11169.114206] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11169.114206] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[11169.114206] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[11169.114206] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[11169.114206] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[11169.114206] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11169.114206] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[11169.114206] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11169.114206] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11169.114206] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11169.114206] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11169.114206] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11169.114206] Stack:
>[11169.114206]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[11169.114206]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[11169.114206]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[11169.114206] Call Trace:
>[11169.114206]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11169.114206]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[11169.114206]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11169.114206]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11169.114206]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11169.114206]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11169.114206]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11169.114206]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11169.114206]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11169.114206]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11169.114206]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11169.114206] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11197.114949] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11197.114949] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11197.114949] irq event stamp: 2392251772
>[11197.114949] hardirqs last  enabled at (2392251771): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11197.114949] hardirqs last disabled at (2392251772): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11197.114949] softirqs last  enabled at (2392251546): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11197.114949] softirqs last disabled at (2392251541): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11197.114949] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11197.114949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11197.114949] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11197.114949] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11197.114949] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[11197.114949] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[11197.114949] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[11197.114949] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[11197.114949] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11197.114949] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[11197.114949] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11197.114949] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11197.114949] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11197.114949] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11197.114949] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11197.114949] Stack:
>[11197.114949]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[11197.114949]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[11197.114949]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[11197.114949] Call Trace:
>[11197.114949]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11197.114949]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[11197.114949]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11197.114949]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11197.114949]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11197.114949]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11197.114949]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11197.114949]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11197.114949]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11197.114949]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11197.114949]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11197.114949] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11225.114693] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11225.114693] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11225.114693] irq event stamp: 2398399302
>[11225.114693] hardirqs last  enabled at (2398399301): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11225.114693] hardirqs last disabled at (2398399302): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11225.114693] softirqs last  enabled at (2398399098): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11225.114693] softirqs last disabled at (2398399093): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11225.114693] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11225.114693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11225.114693] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11225.114693] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[11225.114693] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[11225.114693] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[11225.114693] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[11225.114693] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[11225.114693] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[11225.114693] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[11225.114693] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11225.114693] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11225.114693] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11225.114693] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11225.114693] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11225.114693] Stack:
>[11225.114693]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[11225.114693]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[11225.114693]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[11225.114693] Call Trace:
>[11225.114693]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[11225.114693]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11225.114693]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11225.114693]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11225.114693]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11225.114693]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11225.114693]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11225.114693] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[11253.114436] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11253.114436] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11253.114436] irq event stamp: 2404413348
>[11253.114436] hardirqs last  enabled at (2404413347): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11253.114436] hardirqs last disabled at (2404413348): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11253.114436] softirqs last  enabled at (2404413136): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11253.114436] softirqs last disabled at (2404413131): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11253.114436] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11253.114436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11253.114436] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11253.114436] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11253.114436] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[11253.114436] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11253.114436] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11253.114436] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11253.114436] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11253.114436] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11253.114436] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11253.114436] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11253.114436] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11253.114436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11253.114436] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11253.114436] Stack:
>[11253.114436]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11253.114436]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11253.114436]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11253.114436] Call Trace:
>[11253.114436]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11253.114436]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11253.114436]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11253.114436]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11253.114436]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11253.114436]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11253.114436]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11253.114436]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11253.114436]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11253.114436]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11253.114436] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11281.114180] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11281.114180] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11281.114180] irq event stamp: 2410632336
>[11281.114180] hardirqs last  enabled at (2410632335): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11281.114180] hardirqs last disabled at (2410632336): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11281.114180] softirqs last  enabled at (2410632110): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11281.114180] softirqs last disabled at (2410632105): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11281.114180] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11281.114180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11281.114180] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11281.114180] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11281.114180] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[11281.114180] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[11281.114180] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[11281.114180] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[11281.114180] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11281.114180] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11281.114180] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11281.114180] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11281.114180] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11281.114180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11281.114180] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11281.114180] Stack:
>[11281.114180]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[11281.114180]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11281.114180]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[11281.114180] Call Trace:
>[11281.114180]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11281.114180]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[11281.114180]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[11281.114180]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11281.114180]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11281.114180]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11281.114180]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11281.114180]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11281.114180]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11281.114180]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11281.114180]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11281.114180]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11281.114180]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11281.114180] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11309.114923] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11309.114923] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11309.114923] irq event stamp: 2416621670
>[11309.114923] hardirqs last  enabled at (2416621669): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11309.114923] hardirqs last disabled at (2416621670): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11309.114923] softirqs last  enabled at (2416621444): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11309.114923] softirqs last disabled at (2416621439): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11309.114923] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11309.114923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11309.114923] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11309.114923] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11309.114923] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[11309.114923] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[11309.114923] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[11309.114923] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11309.114923] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11309.114923] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[11309.114923] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11309.114923] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11309.114923] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11309.114923] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11309.114923] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11309.114923] Stack:
>[11309.114923]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[11309.114923]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[11309.114923]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11309.114923] Call Trace:
>[11309.114923]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[11309.114923]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11309.114923]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11309.114923]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11309.114923]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11309.114923]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11309.114923]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11309.114923]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11309.114923]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11309.114923]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11309.114923] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11309.651841] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=11180287 jiffies, g=9748, c=9747, q=1)
>[11309.651841] INFO: Stall ended before state dump start
>[11337.114666] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11337.114666] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11337.114666] irq event stamp: 2422602692
>[11337.114666] hardirqs last  enabled at (2422602691): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[11337.114666] hardirqs last disabled at (2422602692): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11337.114666] softirqs last  enabled at (2422602486): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11337.114666] softirqs last disabled at (2422602481): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11337.114666] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11337.114666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11337.114666] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11337.114666] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[11337.114666] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[11337.114666] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[11337.114666] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[11337.114666] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[11337.114666] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[11337.114666] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[11337.114666] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11337.114666] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11337.114666] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11337.114666] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11337.114666] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11337.114666] Stack:
>[11337.114666]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[11337.114666]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[11337.114666]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[11337.114666] Call Trace:
>[11337.114666]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11337.114666]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[11337.114666]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11337.114666]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[11337.114666]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11337.114666]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11337.114666]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11337.114666]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11337.114666]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11337.114666]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11337.114666]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11337.114666]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11337.114666]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11337.114666]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11337.114666] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[11365.114410] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11365.114410] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11365.114410] irq event stamp: 2428556060
>[11365.114410] hardirqs last  enabled at (2428556059): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[11365.114410] hardirqs last disabled at (2428556060): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11365.114410] softirqs last  enabled at (2428555826): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11365.114410] softirqs last disabled at (2428555821): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11365.114410] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11365.114410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11365.114410] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11365.114410] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[11365.114410] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[11365.114410] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[11365.114410] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[11365.114410] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[11365.114410] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[11365.114410] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[11365.114410] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11365.114410] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11365.114410] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11365.114410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11365.114410] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11365.114410] Stack:
>[11365.114410]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[11365.114410]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[11365.114410]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[11365.114410] Call Trace:
>[11365.114410]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11365.114410]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[11365.114410]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11365.114410]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[11365.114410]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11365.114410]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11365.114410]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11365.114410]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11365.114410]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11365.114410]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11365.114410]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11365.114410]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11365.114410]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11365.114410]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11365.114410] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[11393.114153] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11393.114153] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11393.114153] irq event stamp: 2434655770
>[11393.114153] hardirqs last  enabled at (2434655769): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11393.114153] hardirqs last disabled at (2434655770): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11393.114153] softirqs last  enabled at (2434655548): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11393.114153] softirqs last disabled at (2434655543): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11393.114153] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11393.114153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11393.114153] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11393.114153] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11393.114153] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[11393.114153] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[11393.114153] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[11393.114153] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[11393.114153] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11393.114153] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11393.114153] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11393.114153] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11393.114153] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11393.114153] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11393.114153] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11393.114153] Stack:
>[11393.114153]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[11393.114153]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11393.114153]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[11393.114153] Call Trace:
>[11393.114153]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11393.114153]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[11393.114153]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[11393.114153]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11393.114153]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11393.114153]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11393.114153]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11393.114153]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11393.114153]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11393.114153]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11393.114153]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11393.114153]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11393.114153]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11393.114153] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11421.114896] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11421.114896] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11421.114896] irq event stamp: 2440854912
>[11421.114896] hardirqs last  enabled at (2440854911): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[11421.114896] hardirqs last disabled at (2440854912): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11421.114896] softirqs last  enabled at (2440854702): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11421.114896] softirqs last disabled at (2440854697): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11421.114896] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11421.114896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11421.114896] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11421.114896] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[11421.114896] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[11421.114896] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[11421.114896] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[11421.114896] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[11421.114896] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[11421.114896] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[11421.114896] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11421.114896] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11421.114896] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11421.114896] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11421.114896] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11421.114896] Stack:
>[11421.114896]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[11421.114896]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[11421.114896]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[11421.114896] Call Trace:
>[11421.114896]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11421.114896]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[11421.114896]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11421.114896]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[11421.114896]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11421.114896]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11421.114896]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11421.114896]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11421.114896]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11421.114896]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11421.114896]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11421.114896]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11421.114896]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11421.114896]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11421.114896] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[11449.114640] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11449.114640] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11449.114640] irq event stamp: 2446783830
>[11449.114640] hardirqs last  enabled at (2446783829): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[11449.114640] hardirqs last disabled at (2446783830): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11449.114640] softirqs last  enabled at (2446783604): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11449.114640] softirqs last disabled at (2446783599): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11449.114640] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11449.114640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11449.114640] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11449.114640] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[11449.114640] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[11449.114640] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[11449.114640] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[11449.114640] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[11449.114640] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[11449.114640] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[11449.114640] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11449.114640] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11449.114640] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11449.114640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11449.114640] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11449.114640] Stack:
>[11449.114640]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[11449.114640]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[11449.114640]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[11449.114640] Call Trace:
>[11449.114640]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11449.114640]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[11449.114640]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[11449.114640]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[11449.114640]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11449.114640]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11449.114640]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11449.114640]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11449.114640]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11449.114640]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11449.114640]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11449.114640]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11449.114640]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11449.114640]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11449.114640] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[11477.114383] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11477.114383] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11477.114383] irq event stamp: 2452889848
>[11477.114383] hardirqs last  enabled at (2452889847): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11477.114383] hardirqs last disabled at (2452889848): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11477.114383] softirqs last  enabled at (2452889626): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11477.114383] softirqs last disabled at (2452889621): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11477.114383] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11477.114383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11477.114383] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11477.114383] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11477.114383] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[11477.114383] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[11477.114383] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[11477.114383] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11477.114383] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11477.114383] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[11477.114383] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11477.114383] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11477.114383] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11477.114383] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11477.114383] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11477.114383] Stack:
>[11477.114383]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[11477.114383]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[11477.114383]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11477.114383] Call Trace:
>[11477.114383]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[11477.114383]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11477.114383]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11477.114383]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11477.114383]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11477.114383]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11477.114383]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11477.114383]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11477.114383]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11477.114383]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11477.114383] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11504.627200] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=11375292 jiffies, g=9748, c=9747, q=1)
>[11504.627200] INFO: Stall ended before state dump start
>[11529.114478] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11529.114478] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11529.114478] irq event stamp: 2464212224
>[11529.114478] hardirqs last  enabled at (2464212223): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11529.114478] hardirqs last disabled at (2464212224): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11529.114478] softirqs last  enabled at (2464212058): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11529.114478] softirqs last disabled at (2464212053): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11529.114478] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11529.114478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11529.114478] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11529.114478] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[11529.114478] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[11529.114478] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[11529.114478] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[11529.114478] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[11529.114478] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[11529.114478] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[11529.114478] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11529.114478] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11529.114478] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11529.114478] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11529.114478] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11529.114478] Stack:
>[11529.114478]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[11529.114478]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[11529.114478]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[11529.114478] Call Trace:
>[11529.114478]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[11529.114478]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11529.114478]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11529.114478]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11529.114478]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11529.114478]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11529.114478]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11529.114478] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[11557.114221] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11557.114221] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11557.114221] irq event stamp: 2470270020
>[11557.114221] hardirqs last  enabled at (2470270019): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11557.114221] hardirqs last disabled at (2470270020): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11557.114221] softirqs last  enabled at (2470269802): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11557.114221] softirqs last disabled at (2470269797): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11557.114221] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11557.114221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11557.114221] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11557.114221] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11557.114221] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[11557.114221] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[11557.114221] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[11557.114221] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[11557.114221] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11557.114221] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11557.114221] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11557.114221] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11557.114221] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11557.114221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11557.114221] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11557.114221] Stack:
>[11557.114221]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[11557.114221]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11557.114221]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[11557.114221] Call Trace:
>[11557.114221]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11557.114221]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[11557.114221]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[11557.114221]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11557.114221]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11557.114221]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11557.114221]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11557.114221]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11557.114221]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11557.114221]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11557.114221]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11557.114221]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11557.114221]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11557.114221] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11585.114964] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11585.114964] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11585.114964] irq event stamp: 2476324034
>[11585.114964] hardirqs last  enabled at (2476324033): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[11585.114964] hardirqs last disabled at (2476324034): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11585.114964] softirqs last  enabled at (2476323810): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11585.114964] softirqs last disabled at (2476323805): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11585.114964] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11585.114964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11585.114964] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11585.114964] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[11585.114964] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[11585.114964] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[11585.114964] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[11585.114964] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[11585.114964] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11585.114964] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[11585.114964] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11585.114964] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11585.114964] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11585.114964] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11585.114964] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11585.114964] Stack:
>[11585.114964]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[11585.114964]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[11585.114964]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[11585.114964] Call Trace:
>[11585.114964]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[11585.114964]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[11585.114964]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11585.114964]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11585.114964]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11585.114964]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11585.114964]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11585.114964]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11585.114964]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11585.114964]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11585.114964]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11585.114964]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11585.114964] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[11613.114708] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11613.114708] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11613.114708] irq event stamp: 2482048270
>[11613.114708] hardirqs last  enabled at (2482048269): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[11613.114708] hardirqs last disabled at (2482048270): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11613.114708] softirqs last  enabled at (2482048094): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11613.114708] softirqs last disabled at (2482048089): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11613.114708] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11613.114708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11613.114708] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11613.114708] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[11613.114708] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[11613.114708] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[11613.114708] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[11613.114708] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[11613.114708] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11613.114708] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[11613.114708] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11613.114708] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11613.114708] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11613.114708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11613.114708] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11613.114708] Stack:
>[11613.114708]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[11613.114708]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[11613.114708]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[11613.114708] Call Trace:
>[11613.114708]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[11613.114708]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[11613.114708]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11613.114708]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11613.114708]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11613.114708]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11613.114708]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11613.114708]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11613.114708]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11613.114708]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11613.114708]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11613.114708]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11613.114708] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[11641.114451] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11641.114451] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11641.114451] irq event stamp: 2488048262
>[11641.114451] hardirqs last  enabled at (2488048261): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11641.114451] hardirqs last disabled at (2488048262): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11641.114451] softirqs last  enabled at (2488048032): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11641.114451] softirqs last disabled at (2488048027): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11641.114451] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11641.114451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11641.114451] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11641.114451] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11641.114451] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[11641.114451] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[11641.114451] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[11641.114451] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[11641.114451] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11641.114451] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[11641.114451] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11641.114451] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11641.114451] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11641.114451] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11641.114451] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11641.114451] Stack:
>[11641.114451]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[11641.114451]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11641.114451]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[11641.114451] Call Trace:
>[11641.114451]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[11641.114451]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11641.114451]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11641.114451]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11641.114451]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11641.114451]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11641.114451]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11641.114451]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11641.114451]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11641.114451] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11669.114195] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11669.114195] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11669.114195] irq event stamp: 2494251292
>[11669.114195] hardirqs last  enabled at (2494251291): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[11669.114195] hardirqs last disabled at (2494251292): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11669.114195] softirqs last  enabled at (2494251082): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11669.114195] softirqs last disabled at (2494251077): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11669.114195] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11669.114195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11669.114195] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11669.114195] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[11669.114195] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[11669.114195] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[11669.114195] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[11669.114195] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11669.114195] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[11669.114195] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11669.114195] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11669.114195] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11669.114195] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11669.114195] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11669.114195] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11669.114195] Stack:
>[11669.114195]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[11669.114195]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[11669.114195]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[11669.114195] Call Trace:
>[11669.114195]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[11669.114195]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[11669.114195]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11669.114195]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11669.114195]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11669.114195]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11669.114195]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11669.114195]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11669.114195]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11669.114195]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11669.114195]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11669.114195] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[11697.114938] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11697.114938] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11697.114938] irq event stamp: 2500429812
>[11697.114938] hardirqs last  enabled at (2500429811): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11697.114938] hardirqs last disabled at (2500429812): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11697.114938] softirqs last  enabled at (2500429586): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11697.114938] softirqs last disabled at (2500429581): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11697.114938] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11697.114938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11697.114938] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11697.114938] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[11697.114938] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[11697.114938] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[11697.114938] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[11697.114938] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[11697.114938] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[11697.114938] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[11697.114938] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11697.114938] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11697.114938] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11697.114938] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11697.114938] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11697.114938] Stack:
>[11697.114938]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11697.114938]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[11697.114938]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[11697.114938] Call Trace:
>[11697.114938]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[11697.114938]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[11697.114938]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11697.114938]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11697.114938]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11697.114938]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11697.114938]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11697.114938]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11697.114938]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11697.114938]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11697.114938]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11697.114938]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11697.114938] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[11699.602502] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=11570297 jiffies, g=9748, c=9747, q=1)
>[11699.602560] INFO: Stall ended before state dump start
>[11725.114681] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11725.114681] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11725.114681] irq event stamp: 2506307320
>[11725.114681] hardirqs last  enabled at (2506307319): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11725.114681] hardirqs last disabled at (2506307320): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11725.114681] softirqs last  enabled at (2506307118): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11725.114681] softirqs last disabled at (2506307113): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11725.114681] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11725.114681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11725.114681] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11725.114681] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11725.114681] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[11725.114681] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11725.114681] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11725.114681] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11725.114681] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11725.114681] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11725.114681] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11725.114681] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11725.114681] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11725.114681] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11725.114681] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11725.114681] Stack:
>[11725.114681]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11725.114681]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11725.114681]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11725.114681] Call Trace:
>[11725.114681]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11725.114681]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11725.114681]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11725.114681]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11725.114681]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11725.114681]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11725.114681]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11725.114681]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11725.114681]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11725.114681]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11725.114681] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11753.114425] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11753.114425] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11753.114425] irq event stamp: 2512357052
>[11753.114425] hardirqs last  enabled at (2512357051): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11753.114425] hardirqs last disabled at (2512357052): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11753.114425] softirqs last  enabled at (2512356838): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11753.114425] softirqs last disabled at (2512356833): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11753.114425] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11753.114425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11753.114425] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11753.114425] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11753.114425] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[11753.114425] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[11753.114425] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[11753.114425] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[11753.114425] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11753.114425] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[11753.114425] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11753.114425] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11753.114425] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11753.114425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11753.114425] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11753.114425] Stack:
>[11753.114425]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[11753.114425]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[11753.114425]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[11753.114425] Call Trace:
>[11753.114425]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11753.114425]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[11753.114425]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11753.114425]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11753.114425]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11753.114425]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11753.114425]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11753.114425]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11753.114425]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11753.114425]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11753.114425]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11753.114425] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11781.114157] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11781.114168] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11781.114168] irq event stamp: 2518414418
>[11781.114168] hardirqs last  enabled at (2518414417): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11781.114168] hardirqs last disabled at (2518414418): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11781.114168] softirqs last  enabled at (2518414250): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11781.114168] softirqs last disabled at (2518414245): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11781.114168] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11781.114168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11781.114168] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11781.114168] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[11781.114168] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[11781.114168] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[11781.114168] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[11781.114168] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[11781.114168] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[11781.114168] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11781.114168] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11781.114168] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11781.114168] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11781.114168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11781.114168] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11781.114168] Stack:
>[11781.114168]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[11781.114168]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11781.114168]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[11781.114168] Call Trace:
>[11781.114168]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[11781.114168]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[11781.114168]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[11781.114168]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11781.114168]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11781.114168]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11781.114168]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11781.114168]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11781.114168]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11781.114168]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11781.114168]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11781.114168]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11781.114168]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11781.114168] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[11809.114911] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11809.114911] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11809.114911] irq event stamp: 2524326852
>[11809.114911] hardirqs last  enabled at (2524326851): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11809.114911] hardirqs last disabled at (2524326852): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11809.114911] softirqs last  enabled at (2524326628): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11809.114911] softirqs last disabled at (2524326623): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11809.114911] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11809.114911] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11809.114911] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11809.114911] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11809.114911] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[11809.114911] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11809.114911] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11809.114911] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11809.114911] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11809.114911] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11809.114911] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11809.114911] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11809.114911] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11809.114911] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11809.114911] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11809.114911] Stack:
>[11809.114911]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11809.114911]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11809.114911]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11809.114911] Call Trace:
>[11809.114911]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11809.114911]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11809.114911]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11809.114911]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11809.114911]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11809.114911]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11809.114911]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11809.114911]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11809.114911]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11809.114911]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11809.114911] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11837.114655] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11837.114655] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11837.114655] irq event stamp: 2530360066
>[11837.114655] hardirqs last  enabled at (2530360065): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11837.114655] hardirqs last disabled at (2530360066): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11837.114655] softirqs last  enabled at (2530359836): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11837.114655] softirqs last disabled at (2530359831): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11837.114655] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11837.114655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11837.114655] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11837.114655] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11837.114655] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[11837.114655] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11837.114655] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11837.114655] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11837.114655] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11837.114655] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11837.114655] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11837.114655] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11837.114655] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11837.114655] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11837.114655] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11837.114655] Stack:
>[11837.114655]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11837.114655]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11837.114655]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11837.114655] Call Trace:
>[11837.114655]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11837.114655]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11837.114655]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11837.114655]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11837.114655]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11837.114655]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11837.114655]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11837.114655]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11837.114655]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11837.114655]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11837.114655] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11865.114398] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11865.114398] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11865.114398] irq event stamp: 2536388448
>[11865.114398] hardirqs last  enabled at (2536388447): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[11865.114398] hardirqs last disabled at (2536388448): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11865.114398] softirqs last  enabled at (2536388238): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11865.114398] softirqs last disabled at (2536388233): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11865.114398] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11865.114398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11865.114398] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11865.114398] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[11865.114398] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[11865.114398] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[11865.114398] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[11865.114398] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11865.114398] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[11865.114398] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11865.114398] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11865.114398] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11865.114398] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11865.114398] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11865.114398] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11865.114398] Stack:
>[11865.114398]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[11865.114398]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[11865.114398]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[11865.114398] Call Trace:
>[11865.114398]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[11865.114398]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[11865.114398]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11865.114398]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11865.114398]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11865.114398]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11865.114398]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11865.114398]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11865.114398]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11865.114398]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11865.114398]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11865.114398] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[11893.114141] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[11893.114141] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11893.114141] irq event stamp: 2542382360
>[11893.114141] hardirqs last  enabled at (2542382359): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[11893.114141] hardirqs last disabled at (2542382360): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11893.114141] softirqs last  enabled at (2542382156): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11893.114141] softirqs last disabled at (2542382151): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11893.114141] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11893.114141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11893.114141] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11893.114141] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[11893.114141] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[11893.114141] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[11893.114141] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[11893.114141] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[11893.114141] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[11893.114141] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[11893.114141] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11893.114141] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11893.114141] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11893.114141] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11893.114141] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11893.114141] Stack:
>[11893.114141]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[11893.114141]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[11893.114141]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[11893.114141] Call Trace:
>[11893.114141]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[11893.114141]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[11893.114141]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[11893.114141]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11893.114141]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11893.114141]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11893.114141]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11893.114141]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11893.114141]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11893.114141]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11893.114141]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11893.114141]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11893.114141] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[11894.577919] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=11765302 jiffies, g=9748, c=9747, q=1)
>[11894.577919] INFO: Stall ended before state dump start
>[11921.114885] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11921.114885] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11921.114885] irq event stamp: 2548484650
>[11921.114885] hardirqs last  enabled at (2548484649): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[11921.114885] hardirqs last disabled at (2548484650): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11921.114885] softirqs last  enabled at (2548484428): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11921.114885] softirqs last disabled at (2548484423): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11921.114885] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11921.114885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11921.114885] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11921.114885] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[11921.114885] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[11921.114885] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[11921.114885] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[11921.114885] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11921.114885] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[11921.114885] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[11921.114885] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11921.114885] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11921.114885] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11921.114885] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11921.114885] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11921.114885] Stack:
>[11921.114885]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[11921.114885]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[11921.114885]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[11921.114885] Call Trace:
>[11921.114885]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[11921.114885]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[11921.114885]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11921.114885]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11921.114885]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11921.114885]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11921.114885]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11921.114885]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11921.114885]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11921.114885]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11921.114885] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[11949.114628] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11949.114628] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11949.114628] irq event stamp: 2554598698
>[11949.114628] hardirqs last  enabled at (2554598697): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[11949.114628] hardirqs last disabled at (2554598698): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11949.114628] softirqs last  enabled at (2554598494): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11949.114628] softirqs last disabled at (2554598489): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11949.114628] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11949.114628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11949.114628] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11949.114628] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[11949.114628] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[11949.114628] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[11949.114628] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[11949.114628] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11949.114628] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[11949.114628] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11949.114628] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11949.114628] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11949.114628] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11949.114628] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11949.114628] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11949.114628] Stack:
>[11949.114628]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[11949.114628]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[11949.114628]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[11949.114628] Call Trace:
>[11949.114628]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[11949.114628]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[11949.114628]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11949.114628]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11949.114628]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11949.114628]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11949.114628]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11949.114628]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11949.114628]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11949.114628]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11949.114628]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11949.114628] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[11977.114371] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[11977.114371] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[11977.114371] irq event stamp: 2560591274
>[11977.114371] hardirqs last  enabled at (2560591273): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[11977.114371] hardirqs last disabled at (2560591274): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[11977.114371] softirqs last  enabled at (2560591068): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[11977.114371] softirqs last disabled at (2560591063): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[11977.114371] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[11977.114371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[11977.114371] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[11977.114371] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[11977.114371] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[11977.114371] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[11977.114371] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[11977.114371] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[11977.114371] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[11977.114371] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[11977.114371] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[11977.114371] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[11977.114371] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[11977.114371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[11977.114371] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[11977.114371] Stack:
>[11977.114371]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[11977.114371]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[11977.114371]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[11977.114371] Call Trace:
>[11977.114371]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[11977.114371]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[11977.114371]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[11977.114371]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[11977.114371]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[11977.114371]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[11977.114371]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[11977.114371]  [<ffffffff810a01df>] kthread+0xff/0x120
>[11977.114371]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11977.114371]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[11977.114371]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[11977.114371] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[12005.114111] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12005.114115] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12005.114115] irq event stamp: 2566834734
>[12005.114115] hardirqs last  enabled at (2566834733): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12005.114115] hardirqs last disabled at (2566834734): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12005.114115] softirqs last  enabled at (2566834530): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12005.114115] softirqs last disabled at (2566834525): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12005.114115] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12005.114115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12005.114115] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12005.114115] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12005.114115] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12005.114115] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12005.114115] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12005.114115] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12005.114115] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12005.114115] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12005.114115] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12005.114115] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12005.114115] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12005.114115] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12005.114115] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12005.114115] Stack:
>[12005.114115]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12005.114115]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12005.114115]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12005.114115] Call Trace:
>[12005.114115]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12005.114115]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12005.114115]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12005.114115]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12005.114115]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12005.114115]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12005.114115]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12005.114115]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12005.114115]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12005.114115]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12005.114115]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12005.114115]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12005.114115]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12005.114115] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12033.114858] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12033.114858] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12033.114858] irq event stamp: 2572889088
>[12033.114858] hardirqs last  enabled at (2572889087): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12033.114858] hardirqs last disabled at (2572889088): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12033.114858] softirqs last  enabled at (2572888866): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12033.114858] softirqs last disabled at (2572888861): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12033.114858] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12033.114858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12033.114858] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12033.114858] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[12033.114858] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[12033.114858] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[12033.114858] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[12033.114858] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[12033.114858] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[12033.114858] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[12033.114858] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12033.114858] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12033.114858] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12033.114858] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12033.114858] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12033.114858] Stack:
>[12033.114858]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[12033.114858]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[12033.114858]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[12033.114858] Call Trace:
>[12033.114858]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[12033.114858]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12033.114858]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12033.114858]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12033.114858]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12033.114858]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12033.114858]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12033.114858] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[12061.114601] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12061.114601] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12061.114601] irq event stamp: 2579001936
>[12061.114601] hardirqs last  enabled at (2579001935): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12061.114601] hardirqs last disabled at (2579001936): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12061.114601] softirqs last  enabled at (2579001716): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12061.114601] softirqs last disabled at (2579001711): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12061.114601] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12061.114601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12061.114601] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12061.114601] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12061.114601] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12061.114601] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12061.114601] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12061.114601] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12061.114601] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12061.114601] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12061.114601] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12061.114601] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12061.114601] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12061.114601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12061.114601] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12061.114601] Stack:
>[12061.114601]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12061.114601]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12061.114601]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12061.114601] Call Trace:
>[12061.114601]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12061.114601]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12061.114601]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12061.114601]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12061.114601]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12061.114601]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12061.114601]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12061.114601]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12061.114601]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12061.114601]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12061.114601]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12061.114601]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12061.114601]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12061.114601] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12089.114345] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12089.114345] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12089.114345] irq event stamp: 2585077254
>[12089.114345] hardirqs last  enabled at (2585077253): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12089.114345] hardirqs last disabled at (2585077254): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12089.114345] softirqs last  enabled at (2585077030): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12089.114345] softirqs last disabled at (2585077025): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12089.114345] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12089.114345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12089.114345] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12089.114345] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12089.114345] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[12089.114345] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[12089.114345] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[12089.114345] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12089.114345] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12089.114345] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[12089.114345] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12089.114345] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12089.114345] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12089.114345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12089.114345] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12089.114345] Stack:
>[12089.114345]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[12089.114345]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[12089.114345]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12089.114345] Call Trace:
>[12089.114345]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[12089.114345]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[12089.114345]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12089.114345]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12089.114345]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12089.114345]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12089.114345]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12089.114345]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12089.114345]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12089.114345]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12089.114345] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12089.553278] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=11960307 jiffies, g=9748, c=9747, q=1)
>[12089.553278] INFO: Stall ended before state dump start
>[12117.114088] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12117.114088] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12117.114088] irq event stamp: 2591310964
>[12117.114088] hardirqs last  enabled at (2591310963): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12117.114088] hardirqs last disabled at (2591310964): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12117.114088] softirqs last  enabled at (2591310762): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12117.114088] softirqs last disabled at (2591310757): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12117.114088] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12117.114088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12117.114088] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12117.114088] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12117.114088] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[12117.114088] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[12117.114088] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[12117.114088] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12117.114088] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12117.114088] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[12117.114088] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12117.114088] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12117.114088] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12117.114088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12117.114088] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12117.114088] Stack:
>[12117.114088]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[12117.114088]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[12117.114088]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12117.114088] Call Trace:
>[12117.114088]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[12117.114088]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12117.114088]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12117.114088]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12117.114088]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12117.114088]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12117.114088]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12117.114088]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12117.114088]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12117.114088]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12117.114088] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12145.114831] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12145.114832] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12145.114832] irq event stamp: 2597459234
>[12145.114832] hardirqs last  enabled at (2597459233): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12145.114832] hardirqs last disabled at (2597459234): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12145.114832] softirqs last  enabled at (2597459034): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12145.114832] softirqs last disabled at (2597459029): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12145.114832] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12145.114832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12145.114832] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12145.114832] RIP: 0010:[<ffffffff810d7b2e>]  [<ffffffff810d7b2e>] do_raw_spin_unlock+0x3e/0xa0
>[12145.114832] RSP: 0018:ffff8800184dbc70  EFLAGS: 00000246
>[12145.114832] RAX: 0000000000000000 RBX: ffff88001844ad90 RCX: 0000000000005b40
>[12145.114832] RDX: 0000000000003f2b RSI: 0000000000000001 RDI: ffffffff81cdd240
>[12145.114832] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[12145.114832] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff810b6a38
>[12145.114832] R13: ffff8800184dbc00 R14: 0000000000000000 R15: 00000000001d5d00
>[12145.114832] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12145.114832] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12145.114832] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12145.114832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12145.114832] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12145.114832] Stack:
>[12145.114832]  ffffffff81cdd240 ffff8800184dbc90 ffffffff8175f897 ffff8800188f0948
>[12145.114832]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[12145.114832]  ffff8800184dbcd8 ffffffff8159e94a ffff880019835068 ffff8800195c7450
>[12145.114832] Call Trace:
>[12145.114832]  [<ffffffff8175f897>] _raw_spin_unlock+0x27/0x40
>[12145.114832]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[12145.114832]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12145.114832]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12145.114832]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12145.114832]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12145.114832]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12145.114832]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12145.114832]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12145.114832]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12145.114832]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12145.114832]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12145.114832] Code: fb 75 3e 8b 03 89 c2 c1 ea 10 66 39 d0 74 62 65 48 8b 04 25 80 c9 00 00 48 39 43 10 75 42 65 8b 04 25 1c b0 00 00 39 43 08 75 24 <48> c7 43 10 ff ff ff ff c7 43 08 ff ff ff ff 66 83 03 01 5b 5d 
>[12173.114575] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12173.114575] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12173.114575] irq event stamp: 2603537334
>[12173.114575] hardirqs last  enabled at (2603537333): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12173.114575] hardirqs last disabled at (2603537334): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12173.114575] softirqs last  enabled at (2603537106): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12173.114575] softirqs last disabled at (2603537101): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12173.114575] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12173.114575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12173.114575] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12173.114575] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12173.114575] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[12173.114575] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[12173.114575] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[12173.114575] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12173.114575] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12173.114575] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[12173.114575] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12173.114575] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12173.114575] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12173.114575] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12173.114575] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12173.114575] Stack:
>[12173.114575]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[12173.114575]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[12173.114575]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12173.114575] Call Trace:
>[12173.114575]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[12173.114575]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[12173.114575]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12173.114575]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12173.114575]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12173.114575]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12173.114575]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12173.114575]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12173.114575]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12173.114575]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12173.114575] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12201.114318] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12201.114318] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12201.114318] irq event stamp: 2609534506
>[12201.114318] hardirqs last  enabled at (2609534505): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12201.114318] hardirqs last disabled at (2609534506): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12201.114318] softirqs last  enabled at (2609534320): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12201.114318] softirqs last disabled at (2609534315): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12201.114318] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12201.114318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12201.114318] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12201.114318] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12201.114318] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12201.114318] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12201.114318] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12201.114318] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12201.114318] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12201.114318] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12201.114318] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12201.114318] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12201.114318] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12201.114318] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12201.114318] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12201.114318] Stack:
>[12201.114318]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12201.114318]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12201.114318]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12201.114318] Call Trace:
>[12201.114318]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12201.114318]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12201.114318]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12201.114318]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12201.114318]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12201.114318]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12201.114318]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12201.114318]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12201.114318]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12201.114318] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12229.114062] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12229.114062] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12229.114062] irq event stamp: 2615710124
>[12229.114062] hardirqs last  enabled at (2615710123): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12229.114062] hardirqs last disabled at (2615710124): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12229.114062] softirqs last  enabled at (2615709898): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12229.114062] softirqs last disabled at (2615709893): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12229.114062] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12229.114062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12229.114062] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12229.114062] RIP: 0010:[<ffffffff81351160>]  [<ffffffff81351160>] blk_start_plug+0x0/0x60
>[12229.114062] RSP: 0018:ffff8800184dbce0  EFLAGS: 00000246
>[12229.114062] RAX: 0000000000000000 RBX: ffff8800195c7460 RCX: 0000000000005b40
>[12229.114062] RDX: 00000000000067fb RSI: 0000000000000001 RDI: ffff8800184dbd50
>[12229.114062] RBP: ffff8800184dbdd8 R08: 0000000000000001 R09: 0000000000000000
>[12229.114062] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81cdd240
>[12229.114062] R13: 0000000000000246 R14: ffff8800184dbc78 R15: ffffffff81cdd258
>[12229.114062] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12229.114062] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12229.114062] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12229.114062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12229.114062] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12229.114062] Stack:
>[12229.114062]  ffffffffa021f985 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[12229.114062]  ffff8800195c7450 ffff8800184dbe40 ffffffff81390d9b ffff880019835068
>[12229.114062]  0000000000000001 0000000000000001 0000000000000001 0000000000000000
>[12229.114062] Call Trace:
>[12229.114062]  [<ffffffffa021f985>] ? raid1d+0x55/0xe50 [raid1]
>[12229.114062]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12229.114062]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12229.114062]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12229.114062]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12229.114062]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12229.114062]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12229.114062]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12229.114062]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12229.114062] Code: d0 5d f3 c3 0f 1f 80 00 00 00 00 66 66 66 66 90 48 8b 97 50 01 00 00 31 c0 48 85 d2 74 07 55 48 89 e5 ff d2 5d f3 c3 0f 1f 40 00 <66> 66 66 66 90 b8 64 73 82 91 55 48 89 07 48 8d 47 08 65 48 8b 
>[12257.114805] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12257.114805] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12257.114805] irq event stamp: 2621846896
>[12257.114805] hardirqs last  enabled at (2621846895): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12257.114805] hardirqs last disabled at (2621846896): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12257.114805] softirqs last  enabled at (2621846674): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12257.114805] softirqs last disabled at (2621846669): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12257.114805] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12257.114805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12257.114805] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12257.114805] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12257.114805] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12257.114805] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12257.114805] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12257.114805] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12257.114805] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12257.114805] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12257.114805] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12257.114805] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12257.114805] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12257.114805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12257.114805] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12257.114805] Stack:
>[12257.114805]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12257.114805]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12257.114805]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12257.114805] Call Trace:
>[12257.114805]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12257.114805]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12257.114805]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12257.114805]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12257.114805]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12257.114805]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12257.114805]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12257.114805]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12257.114805]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12257.114805] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12284.528637] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=12155312 jiffies, g=9748, c=9747, q=1)
>[12284.528637] INFO: Stall ended before state dump start
>[12309.114900] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12309.114900] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12309.114900] irq event stamp: 2633359884
>[12309.114900] hardirqs last  enabled at (2633359883): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12309.114900] hardirqs last disabled at (2633359884): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12309.114900] softirqs last  enabled at (2633359662): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12309.114900] softirqs last disabled at (2633359657): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12309.114900] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12309.114900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12309.114900] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12309.114900] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12309.114900] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12309.114900] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12309.114900] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12309.114900] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12309.114900] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12309.114900] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12309.114900] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12309.114900] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12309.114900] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12309.114900] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12309.114900] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12309.114900] Stack:
>[12309.114900]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12309.114900]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12309.114900]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12309.114900] Call Trace:
>[12309.114900]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12309.114900]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12309.114900]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12309.114900]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12309.114900]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12309.114900]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12309.114900]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12309.114900]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12309.114900]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12309.114900] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12337.114643] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12337.114643] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12337.114643] irq event stamp: 2639479566
>[12337.114643] hardirqs last  enabled at (2639479565): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12337.114643] hardirqs last disabled at (2639479566): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12337.114643] softirqs last  enabled at (2639479340): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12337.114643] softirqs last disabled at (2639479335): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12337.114643] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12337.114643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12337.114643] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12337.114643] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12337.114643] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12337.114643] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12337.114643] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12337.114643] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12337.114643] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12337.114643] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12337.114643] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12337.114643] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12337.114643] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12337.114643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12337.114643] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12337.114643] Stack:
>[12337.114643]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12337.114643]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12337.114643]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12337.114643] Call Trace:
>[12337.114643]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12337.114643]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12337.114643]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12337.114643]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12337.114643]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12337.114643]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12337.114643]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12337.114643]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12337.114643]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12337.114643]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12337.114643]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12337.114643]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12337.114643]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12337.114643] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12365.114386] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12365.114386] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12365.114386] irq event stamp: 2645465228
>[12365.114386] hardirqs last  enabled at (2645465227): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12365.114386] hardirqs last disabled at (2645465228): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12365.114386] softirqs last  enabled at (2645465002): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12365.114386] softirqs last disabled at (2645464997): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12365.114386] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12365.114386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12365.114386] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12365.114386] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12365.114386] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[12365.114386] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[12365.114386] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[12365.114386] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12365.114386] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12365.114386] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[12365.114386] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12365.114386] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12365.114386] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12365.114386] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12365.114386] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12365.114386] Stack:
>[12365.114386]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[12365.114386]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[12365.114386]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12365.114386] Call Trace:
>[12365.114386]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[12365.114386]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12365.114386]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12365.114386]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12365.114386]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12365.114386]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12365.114386]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12365.114386]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12365.114386]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12365.114386]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12365.114386] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12393.114130] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12393.114130] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12393.114130] irq event stamp: 2651611588
>[12393.114130] hardirqs last  enabled at (2651611587): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12393.114130] hardirqs last disabled at (2651611588): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12393.114130] softirqs last  enabled at (2651611364): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12393.114130] softirqs last disabled at (2651611359): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12393.114130] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12393.114130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12393.114130] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12393.114130] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12393.114130] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12393.114130] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12393.114130] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12393.114130] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12393.114130] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12393.114130] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12393.114130] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12393.114130] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12393.114130] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12393.114130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12393.114130] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12393.114130] Stack:
>[12393.114130]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12393.114130]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12393.114130]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12393.114130] Call Trace:
>[12393.114130]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12393.114130]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12393.114130]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12393.114130]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12393.114130]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12393.114130]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12393.114130]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12393.114130]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12393.114130]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12393.114130]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12393.114130]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12393.114130]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12393.114130]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12393.114130] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12421.114873] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12421.114873] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12421.114873] irq event stamp: 2657802918
>[12421.114873] hardirqs last  enabled at (2657802917): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12421.114873] hardirqs last disabled at (2657802918): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12421.114873] softirqs last  enabled at (2657802690): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12421.114873] softirqs last disabled at (2657802685): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12421.114873] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12421.114873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12421.114873] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12421.114873] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12421.114873] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[12421.114873] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[12421.114873] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[12421.114873] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[12421.114873] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12421.114873] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[12421.114873] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12421.114873] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12421.114873] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12421.114873] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12421.114873] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12421.114873] Stack:
>[12421.114873]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[12421.114873]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[12421.114873]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[12421.114873] Call Trace:
>[12421.114873]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12421.114873]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[12421.114873]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12421.114873]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12421.114873]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12421.114873]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12421.114873]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12421.114873]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12421.114873]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12421.114873]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12421.114873]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12421.114873] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12449.114617] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12449.114617] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12449.114617] irq event stamp: 2663953822
>[12449.114617] hardirqs last  enabled at (2663953821): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12449.114617] hardirqs last disabled at (2663953822): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12449.114617] softirqs last  enabled at (2663953598): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12449.114617] softirqs last disabled at (2663953593): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12449.114617] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12449.114617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12449.114617] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12449.114617] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12449.114617] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12449.114617] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12449.114617] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12449.114617] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12449.114617] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12449.114617] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12449.114617] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12449.114617] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12449.114617] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12449.114617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12449.114617] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12449.114617] Stack:
>[12449.114617]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12449.114617]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12449.114617]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12449.114617] Call Trace:
>[12449.114617]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12449.114617]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12449.114617]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12449.114617]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12449.114617]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12449.114617]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12449.114617]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12449.114617]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12449.114617]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12449.114617]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12449.114617]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12449.114617]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12449.114617]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12449.114617] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12477.114360] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12477.114360] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12477.114360] irq event stamp: 2669977558
>[12477.114360] hardirqs last  enabled at (2669977557): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[12477.114360] hardirqs last disabled at (2669977558): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12477.114360] softirqs last  enabled at (2669977348): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12477.114360] softirqs last disabled at (2669977343): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12477.114360] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12477.114360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12477.114360] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12477.114360] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[12477.114360] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[12477.114360] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[12477.114360] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[12477.114360] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[12477.114360] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[12477.114360] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[12477.114360] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12477.114360] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12477.114360] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12477.114360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12477.114360] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12477.114360] Stack:
>[12477.114360]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[12477.114360]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[12477.114360]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[12477.114360] Call Trace:
>[12477.114360]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[12477.114360]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[12477.114360]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[12477.114360]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[12477.114360]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12477.114360]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12477.114360]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12477.114360]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12477.114360]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12477.114360]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12477.114360]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12477.114360]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12477.114360]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12477.114360]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12477.114360] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[12479.503997] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=12350317 jiffies, g=9748, c=9747, q=1)
>[12479.503997] INFO: Stall ended before state dump start
>[12505.114103] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12505.114103] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12505.114103] irq event stamp: 2676241300
>[12505.114103] hardirqs last  enabled at (2676241299): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[12505.114103] hardirqs last disabled at (2676241300): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12505.114103] softirqs last  enabled at (2676241072): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12505.114103] softirqs last disabled at (2676241067): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12505.114103] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12505.114103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12505.114103] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12505.114103] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[12505.114103] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[12505.114103] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[12505.114103] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[12505.114103] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[12505.114103] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[12505.114103] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[12505.114103] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12505.114103] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12505.114103] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12505.114103] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12505.114103] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12505.114103] Stack:
>[12505.114103]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[12505.114103]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[12505.114103]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[12505.114103] Call Trace:
>[12505.114103]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[12505.114103]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[12505.114103]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[12505.114103]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[12505.114103]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12505.114103]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12505.114103]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12505.114103]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12505.114103]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12505.114103]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12505.114103]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12505.114103]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12505.114103]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12505.114103]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12505.114103] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[12533.114847] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12533.114847] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12533.114847] irq event stamp: 2682176346
>[12533.114847] hardirqs last  enabled at (2682176345): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12533.114847] hardirqs last disabled at (2682176346): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12533.114847] softirqs last  enabled at (2682176134): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12533.114847] softirqs last disabled at (2682176129): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12533.114847] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12533.114847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12533.114847] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12533.114847] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12533.114847] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[12533.114847] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[12533.114847] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[12533.114847] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12533.114847] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12533.114847] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[12533.114847] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12533.114847] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12533.114847] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12533.114847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12533.114847] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12533.114847] Stack:
>[12533.114847]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[12533.114847]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[12533.114847]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12533.114847] Call Trace:
>[12533.114847]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[12533.114847]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[12533.114847]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12533.114847]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12533.114847]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12533.114847]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12533.114847]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12533.114847]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12533.114847]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12533.114847]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12533.114847] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12561.114590] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12561.114590] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12561.114590] irq event stamp: 2688315896
>[12561.114590] hardirqs last  enabled at (2688315895): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[12561.114590] hardirqs last disabled at (2688315896): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12561.114590] softirqs last  enabled at (2688315672): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12561.114590] softirqs last disabled at (2688315667): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12561.114590] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12561.114590] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12561.114590] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12561.114590] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[12561.114590] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[12561.114590] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[12561.114590] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[12561.114590] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[12561.114590] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[12561.114590] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[12561.114590] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12561.114590] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12561.114590] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12561.114590] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12561.114590] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12561.114590] Stack:
>[12561.114590]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[12561.114590]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[12561.114590]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[12561.114590] Call Trace:
>[12561.114590]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[12561.114590]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[12561.114590]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[12561.114590]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[12561.114590]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12561.114590]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12561.114590]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12561.114590]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12561.114590]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12561.114590]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12561.114590]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12561.114590]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12561.114590]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12561.114590]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12561.114590] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[12589.114333] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12589.114333] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12589.114333] irq event stamp: 2694287718
>[12589.114333] hardirqs last  enabled at (2694287717): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[12589.114333] hardirqs last disabled at (2694287718): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12589.114333] softirqs last  enabled at (2694287498): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12589.114333] softirqs last disabled at (2694287493): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12589.114333] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12589.114333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12589.114333] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12589.114333] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[12589.114333] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[12589.114333] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[12589.114333] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[12589.114333] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[12589.114333] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12589.114333] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[12589.114333] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12589.114333] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12589.114333] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12589.114333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12589.114333] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12589.114333] Stack:
>[12589.114333]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[12589.114333]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[12589.114333]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[12589.114333] Call Trace:
>[12589.114333]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[12589.114333]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[12589.114333]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12589.114333]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12589.114333]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12589.114333]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12589.114333]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12589.114333]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12589.114333]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12589.114333]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12589.114333]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12589.114333]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12589.114333] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[12617.114077] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12617.114077] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12617.114077] irq event stamp: 2700424548
>[12617.114077] hardirqs last  enabled at (2700424547): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12617.114077] hardirqs last disabled at (2700424548): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12617.114077] softirqs last  enabled at (2700424322): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12617.114077] softirqs last disabled at (2700424317): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12617.114077] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12617.114077] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12617.114077] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12617.114077] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12617.114077] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12617.114077] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12617.114077] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12617.114077] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12617.114077] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12617.114077] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12617.114077] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12617.114077] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12617.114077] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12617.114077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12617.114077] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12617.114077] Stack:
>[12617.114077]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12617.114077]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12617.114077]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12617.114077] Call Trace:
>[12617.114077]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12617.114077]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12617.114077]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12617.114077]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12617.114077]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12617.114077]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12617.114077]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12617.114077]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12617.114077]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12617.114077] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12645.114820] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12645.114820] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12645.114820] irq event stamp: 2706627998
>[12645.114820] hardirqs last  enabled at (2706627997): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12645.114820] hardirqs last disabled at (2706627998): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12645.114820] softirqs last  enabled at (2706627774): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12645.114820] softirqs last disabled at (2706627769): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12645.114820] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12645.114820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12645.114820] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12645.114820] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12645.114820] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[12645.114820] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[12645.114820] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[12645.114820] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12645.114820] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12645.114820] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[12645.114820] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12645.114820] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12645.114820] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12645.114820] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12645.114820] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12645.114820] Stack:
>[12645.114820]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[12645.114820]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[12645.114820]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12645.114820] Call Trace:
>[12645.114820]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[12645.114820]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[12645.114820]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12645.114820]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12645.114820]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12645.114820]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12645.114820]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12645.114820]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12645.114820]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12645.114820]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12645.114820] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12673.114563] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12673.114563] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12673.114563] irq event stamp: 2712689910
>[12673.114563] hardirqs last  enabled at (2712689909): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[12673.114563] hardirqs last disabled at (2712689910): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12673.114563] softirqs last  enabled at (2712689686): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12673.114563] softirqs last disabled at (2712689681): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12673.114563] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12673.114563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12673.114563] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12673.114563] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[12673.114563] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[12673.114563] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[12673.114563] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[12673.114563] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12673.114563] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[12673.114563] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12673.114563] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12673.114563] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12673.114563] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12673.114563] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12673.114563] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12673.114563] Stack:
>[12673.114563]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[12673.114563]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[12673.114563]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[12673.114563] Call Trace:
>[12673.114563]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[12673.114563]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[12673.114563]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12673.114563]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12673.114563]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12673.114563]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12673.114563]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12673.114563]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12673.114563]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12673.114563]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12673.114563]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12673.114563] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[12674.479356] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=12545322 jiffies, g=9748, c=9747, q=1)
>[12674.479356] INFO: Stall ended before state dump start
>[12701.114307] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12701.114307] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12701.114307] irq event stamp: 2718920372
>[12701.114307] hardirqs last  enabled at (2718920371): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12701.114307] hardirqs last disabled at (2718920372): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12701.114307] softirqs last  enabled at (2718920142): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12701.114307] softirqs last disabled at (2718920137): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12701.114307] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12701.114307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12701.114307] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12701.114307] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12701.114307] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12701.114307] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12701.114307] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12701.114307] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12701.114307] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12701.114307] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12701.114307] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12701.114307] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12701.114307] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12701.114307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12701.114307] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12701.114307] Stack:
>[12701.114307]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12701.114307]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12701.114307]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12701.114307] Call Trace:
>[12701.114307]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12701.114307]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12701.114307]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12701.114307]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12701.114307]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12701.114307]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12701.114307]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12701.114307]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12701.114307]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12701.114307] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12729.114050] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12729.114050] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12729.114050] irq event stamp: 2725026754
>[12729.114050] hardirqs last  enabled at (2725026753): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12729.114050] hardirqs last disabled at (2725026754): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12729.114050] softirqs last  enabled at (2725026528): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12729.114050] softirqs last disabled at (2725026523): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12729.114050] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12729.114050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12729.114050] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12729.114050] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12729.114050] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12729.114050] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12729.114050] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12729.114050] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12729.114050] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12729.114050] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12729.114050] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12729.114050] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12729.114050] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12729.114050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12729.114050] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12729.114050] Stack:
>[12729.114050]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12729.114050]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12729.114050]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12729.114050] Call Trace:
>[12729.114050]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12729.114050]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12729.114050]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12729.114050]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12729.114050]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12729.114050]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12729.114050]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12729.114050]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12729.114050]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12729.114050]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12729.114050]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12729.114050]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12729.114050]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12729.114050] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12757.114793] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12757.114793] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12757.114793] irq event stamp: 2731103516
>[12757.114793] hardirqs last  enabled at (2731103515): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12757.114793] hardirqs last disabled at (2731103516): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12757.114793] softirqs last  enabled at (2731103302): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12757.114793] softirqs last disabled at (2731103297): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12757.114793] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12757.114793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12757.114793] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12757.114793] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12757.114793] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[12757.114793] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[12757.114793] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[12757.114793] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[12757.114793] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12757.114793] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[12757.114793] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12757.114793] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12757.114793] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12757.114793] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12757.114793] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12757.114793] Stack:
>[12757.114793]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[12757.114793]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[12757.114793]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[12757.114793] Call Trace:
>[12757.114793]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12757.114793]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[12757.114793]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12757.114793]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12757.114793]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12757.114793]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12757.114793]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12757.114793]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12757.114793]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12757.114793]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12757.114793]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12757.114793] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12785.114537] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12785.114537] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12785.114537] irq event stamp: 2737126046
>[12785.114537] hardirqs last  enabled at (2737126045): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12785.114537] hardirqs last disabled at (2737126046): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12785.114537] softirqs last  enabled at (2737125822): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12785.114537] softirqs last disabled at (2737125817): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12785.114537] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12785.114537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12785.114537] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12785.114537] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12785.114537] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12785.114537] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12785.114537] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12785.114537] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12785.114537] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12785.114537] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12785.114537] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12785.114537] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12785.114537] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12785.114537] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12785.114537] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12785.114537] Stack:
>[12785.114537]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12785.114537]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12785.114537]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12785.114537] Call Trace:
>[12785.114537]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12785.114537]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12785.114537]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12785.114537]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12785.114537]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12785.114537]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12785.114537]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12785.114537]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12785.114537]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12785.114537]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12785.114537]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12785.114537]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12785.114537]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12785.114537] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12813.114280] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12813.114280] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12813.114280] irq event stamp: 2743202582
>[12813.114280] hardirqs last  enabled at (2743202581): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12813.114280] hardirqs last disabled at (2743202582): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12813.114280] softirqs last  enabled at (2743202358): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12813.114280] softirqs last disabled at (2743202353): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12813.114280] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12813.114280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12813.114280] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12813.114280] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12813.114280] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12813.114280] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12813.114280] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12813.114280] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12813.114280] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12813.114280] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12813.114280] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12813.114280] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12813.114280] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12813.114280] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12813.114280] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12813.114280] Stack:
>[12813.114280]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12813.114280]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12813.114280]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12813.114280] Call Trace:
>[12813.114280]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12813.114280]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12813.114280]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12813.114280]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12813.114280]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12813.114280]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12813.114280]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12813.114280]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12813.114280]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12813.114280] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12841.114024] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12841.114024] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12841.114024] irq event stamp: 2749497658
>[12841.114024] hardirqs last  enabled at (2749497657): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[12841.114024] hardirqs last disabled at (2749497658): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12841.114024] softirqs last  enabled at (2749497452): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12841.114024] softirqs last disabled at (2749497447): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12841.114024] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12841.114024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12841.114024] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12841.114024] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[12841.114024] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[12841.114024] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[12841.114024] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[12841.114024] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12841.114024] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[12841.114024] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12841.114024] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12841.114024] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12841.114024] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12841.114024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12841.114024] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12841.114024] Stack:
>[12841.114024]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[12841.114024]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[12841.114024]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[12841.114024] Call Trace:
>[12841.114024]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[12841.114024]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[12841.114024]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12841.114024]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12841.114024]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12841.114024]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12841.114024]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12841.114024]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12841.114024]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12841.114024]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12841.114024]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12841.114024] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[12869.114767] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[12869.114767] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12869.114767] irq event stamp: 2755428020
>[12869.114767] hardirqs last  enabled at (2755428019): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[12869.114767] hardirqs last disabled at (2755428020): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12869.114767] softirqs last  enabled at (2755427792): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12869.114767] softirqs last disabled at (2755427787): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12869.114767] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12869.114767] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12869.114767] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12869.114767] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[12869.114767] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[12869.114767] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[12869.114767] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[12869.114767] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12869.114767] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12869.114767] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[12869.114767] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12869.114767] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12869.114767] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12869.114767] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12869.114767] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12869.114767] Stack:
>[12869.114767]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[12869.114767]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[12869.114767]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12869.114767] Call Trace:
>[12869.114767]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[12869.114767]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12869.114767]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12869.114767]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12869.114767]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12869.114767]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12869.114767]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12869.114767]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12869.114767]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12869.114767]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12869.114767] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[12869.454715] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=12740327 jiffies, g=9748, c=9747, q=1)
>[12869.454715] INFO: Stall ended before state dump start
>[12897.114510] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12897.114510] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12897.114510] irq event stamp: 2761506944
>[12897.114510] hardirqs last  enabled at (2761506943): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[12897.114510] hardirqs last disabled at (2761506944): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12897.114510] softirqs last  enabled at (2761506730): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12897.114510] softirqs last disabled at (2761506725): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12897.114510] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12897.114510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12897.114510] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12897.114510] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[12897.114510] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[12897.114510] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[12897.114510] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[12897.114510] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[12897.114510] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[12897.114510] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12897.114510] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12897.114510] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12897.114510] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12897.114510] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12897.114510] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12897.114510] Stack:
>[12897.114510]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[12897.114510]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[12897.114510]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[12897.114510] Call Trace:
>[12897.114510]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[12897.114510]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[12897.114510]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12897.114510]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12897.114510]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12897.114510]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12897.114510]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12897.114510]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12897.114510]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12897.114510]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12897.114510]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12897.114510] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[12925.114254] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12925.114254] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12925.114254] irq event stamp: 2767594880
>[12925.114254] hardirqs last  enabled at (2767594879): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12925.114254] hardirqs last disabled at (2767594880): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12925.114254] softirqs last  enabled at (2767594660): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12925.114254] softirqs last disabled at (2767594655): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12925.114254] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12925.114254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12925.114254] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12925.114254] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12925.114254] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[12925.114254] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[12925.114254] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[12925.114254] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[12925.114254] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[12925.114254] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[12925.114254] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12925.114254] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12925.114254] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12925.114254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12925.114254] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12925.114254] Stack:
>[12925.114254]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[12925.114254]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[12925.114254]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[12925.114254] Call Trace:
>[12925.114254]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[12925.114254]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12925.114254]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12925.114254]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12925.114254]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12925.114254]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12925.114254]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12925.114254]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12925.114254]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12925.114254] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[12953.114997] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12953.114997] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12953.114997] irq event stamp: 2773575390
>[12953.114997] hardirqs last  enabled at (2773575389): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12953.114997] hardirqs last disabled at (2773575390): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12953.114997] softirqs last  enabled at (2773575178): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12953.114997] softirqs last disabled at (2773575173): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12953.114997] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12953.114997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12953.114997] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12953.114997] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[12953.114997] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[12953.114997] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[12953.114997] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[12953.114997] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[12953.114997] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[12953.114997] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[12953.114997] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12953.114997] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12953.114997] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12953.114997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12953.114997] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12953.114997] Stack:
>[12953.114997]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[12953.114997]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[12953.114997]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[12953.114997] Call Trace:
>[12953.114997]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[12953.114997]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12953.114997]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12953.114997]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12953.114997]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12953.114997]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12953.114997]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12953.114997] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[12981.114740] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[12981.114740] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[12981.114740] irq event stamp: 2779631570
>[12981.114740] hardirqs last  enabled at (2779631569): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[12981.114740] hardirqs last disabled at (2779631570): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[12981.114740] softirqs last  enabled at (2779631350): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[12981.114740] softirqs last disabled at (2779631345): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[12981.114740] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[12981.114740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[12981.114740] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[12981.114740] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[12981.114740] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[12981.114740] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[12981.114740] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[12981.114740] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[12981.114740] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[12981.114740] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[12981.114740] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[12981.114740] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[12981.114740] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[12981.114740] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[12981.114740] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[12981.114740] Stack:
>[12981.114740]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[12981.114740]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[12981.114740]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[12981.114740] Call Trace:
>[12981.114740]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[12981.114740]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[12981.114740]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[12981.114740]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[12981.114740]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[12981.114740]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[12981.114740]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[12981.114740]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[12981.114740]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[12981.114740]  [<ffffffff810a01df>] kthread+0xff/0x120
>[12981.114740]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12981.114740]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[12981.114740]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[12981.114740] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13009.114484] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13009.114484] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13009.114484] irq event stamp: 2785568984
>[13009.114484] hardirqs last  enabled at (2785568983): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[13009.114484] hardirqs last disabled at (2785568984): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13009.114484] softirqs last  enabled at (2785568756): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13009.114484] softirqs last disabled at (2785568751): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13009.114484] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13009.114484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13009.114484] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13009.114484] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[13009.114484] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[13009.114484] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[13009.114484] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[13009.114484] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13009.114484] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[13009.114484] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[13009.114484] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13009.114484] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13009.114484] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13009.114484] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13009.114484] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13009.114484] Stack:
>[13009.114484]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[13009.114484]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[13009.114484]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[13009.114484] Call Trace:
>[13009.114484]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[13009.114484]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[13009.114484]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13009.114484]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13009.114484]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13009.114484]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13009.114484]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13009.114484]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13009.114484]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13009.114484]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13009.114484]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13009.114484] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[13037.114227] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13037.114227] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13037.114227] irq event stamp: 2791625348
>[13037.114227] hardirqs last  enabled at (2791625347): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[13037.114227] hardirqs last disabled at (2791625348): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13037.114227] softirqs last  enabled at (2791625124): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13037.114227] softirqs last disabled at (2791625119): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13037.114227] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13037.114227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13037.114227] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13037.114227] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[13037.114227] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[13037.114227] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[13037.114227] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[13037.114227] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[13037.114227] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[13037.114227] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[13037.114227] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13037.114227] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13037.114227] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13037.114227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13037.114227] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13037.114227] Stack:
>[13037.114227]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[13037.114227]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[13037.114227]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[13037.114227] Call Trace:
>[13037.114227]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[13037.114227]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[13037.114227]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[13037.114227]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[13037.114227]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13037.114227]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13037.114227]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13037.114227]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13037.114227]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13037.114227]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13037.114227]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13037.114227]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13037.114227]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13037.114227]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13037.114227] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[13064.430074] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=12935332 jiffies, g=9748, c=9747, q=1)
>[13064.430074] INFO: Stall ended before state dump start
>[13089.114322] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13089.114322] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13089.114322] irq event stamp: 2802949880
>[13089.114322] hardirqs last  enabled at (2802949879): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13089.114322] hardirqs last disabled at (2802949880): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13089.114322] softirqs last  enabled at (2802949668): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13089.114322] softirqs last disabled at (2802949663): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13089.114322] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13089.114322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13089.114322] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13089.114322] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13089.114322] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13089.114322] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13089.114322] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[13089.114322] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13089.114322] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13089.114322] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[13089.114322] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13089.114322] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13089.114322] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13089.114322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13089.114322] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13089.114322] Stack:
>[13089.114322]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[13089.114322]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[13089.114322]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13089.114322] Call Trace:
>[13089.114322]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[13089.114322]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13089.114322]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13089.114322]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13089.114322]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13089.114322]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13089.114322]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13089.114322]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13089.114322]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13089.114322]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13089.114322] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13117.114065] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13117.114065] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13117.114065] irq event stamp: 2808931284
>[13117.114065] hardirqs last  enabled at (2808931283): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[13117.114065] hardirqs last disabled at (2808931284): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13117.114065] softirqs last  enabled at (2808931058): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13117.114065] softirqs last disabled at (2808931053): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13117.114065] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13117.114065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13117.114065] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13117.114065] RIP: 0010:[<ffffffff810d41ca>]  [<ffffffff810d41ca>] lock_acquire+0xba/0x1d0
>[13117.114065] RSP: 0018:ffff8800184dbc10  EFLAGS: 00000246
>[13117.114065] RAX: ffff88001844a5f0 RBX: ffff8800184dbbb8 RCX: 000000000b680000
>[13117.114065] RDX: ffffffff82118ae0 RSI: 0000000000000000 RDI: 0000000000000246
>[13117.114065] RBP: ffff8800184dbc68 R08: ffff88001844ad90 R09: 0000000000000000
>[13117.114065] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff824f6ac0
>[13117.114065] R13: ffffffff810219c3 R14: ffff8800184dbb80 R15: 0000000000000046
>[13117.114065] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13117.114065] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13117.114065] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13117.114065] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13117.114065] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13117.114065] Stack:
>[13117.114065]  0000000000000000 ffffffff8159506f 0000000000000000 0000000000000246
>[13117.114065]  00000000810d1a65 ffffffff81cdd258 ffffffff81cdd240 ffffffff81cdd258
>[13117.114065]  ffff8800195c7460 ffff88001844a5f0 0000000000000000 ffff8800184dbc90
>[13117.114065] Call Trace:
>[13117.114065]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[13117.114065]  [<ffffffff8175f62e>] _raw_spin_lock+0x3e/0x80
>[13117.114065]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[13117.114065]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[13117.114065]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13117.114065]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13117.114065]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13117.114065]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13117.114065]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13117.114065]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13117.114065]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13117.114065]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13117.114065]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13117.114065]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13117.114065] Code: 24 08 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 ee dc ff ff 65 48 8b 04 25 80 c9 00 00 48 89 df c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 
>[13145.114808] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13145.114808] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13145.114808] irq event stamp: 2814982342
>[13145.114808] hardirqs last  enabled at (2814982341): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13145.114808] hardirqs last disabled at (2814982342): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13145.114808] softirqs last  enabled at (2814982138): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13145.114808] softirqs last disabled at (2814982133): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13145.114808] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13145.114808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13145.114808] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13145.114808] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13145.114808] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[13145.114808] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13145.114808] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[13145.114808] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13145.114808] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13145.114808] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[13145.114808] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13145.114808] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13145.114808] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13145.114808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13145.114808] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13145.114808] Stack:
>[13145.114808]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[13145.114808]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[13145.114808]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13145.114808] Call Trace:
>[13145.114808]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[13145.114808]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13145.114808]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13145.114808]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13145.114808]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13145.114808]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13145.114808]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13145.114808]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13145.114808]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13145.114808]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13145.114808] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13173.114552] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13173.114552] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13173.114552] irq event stamp: 2820791780
>[13173.114552] hardirqs last  enabled at (2820791779): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13173.114552] hardirqs last disabled at (2820791780): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13173.114552] softirqs last  enabled at (2820791584): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13173.114552] softirqs last disabled at (2820791579): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13173.114552] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13173.114552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13173.114552] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13173.114552] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13173.114552] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13173.114552] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13173.114552] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[13173.114552] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13173.114552] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13173.114552] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[13173.114552] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13173.114552] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13173.114552] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13173.114552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13173.114552] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13173.114552] Stack:
>[13173.114552]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[13173.114552]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[13173.114552]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13173.114552] Call Trace:
>[13173.114552]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[13173.114552]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13173.114552]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13173.114552]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13173.114552]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13173.114552]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13173.114552]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13173.114552]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13173.114552]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13173.114552]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13173.114552] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13201.114295] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13201.114295] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13201.114295] irq event stamp: 2826410580
>[13201.114295] hardirqs last  enabled at (2826410579): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13201.114295] hardirqs last disabled at (2826410580): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13201.114295] softirqs last  enabled at (2826410338): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13201.114295] softirqs last disabled at (2826410333): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13201.114295] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13201.114295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13201.114295] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13201.114295] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13201.114295] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13201.114295] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13201.114295] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13201.114295] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13201.114295] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13201.114295] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13201.114295] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13201.114295] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13201.114295] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13201.114295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13201.114295] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13201.114295] Stack:
>[13201.114295]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13201.114295]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13201.114295]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13201.114295] Call Trace:
>[13201.114295]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13201.114295]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13201.114295]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13201.114295]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13201.114295]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13201.114295]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13201.114295]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13201.114295]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13201.114295]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13201.114295]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13201.114295]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13201.114295] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13229.114039] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13229.114039] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13229.114039] irq event stamp: 2831695254
>[13229.114039] hardirqs last  enabled at (2831695253): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13229.114039] hardirqs last disabled at (2831695254): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13229.114039] softirqs last  enabled at (2831695082): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13229.114039] softirqs last disabled at (2831695077): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13229.114039] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13229.114039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13229.114039] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13229.114039] RIP: 0010:[<ffffffff815950c0>]  [<ffffffff815950c0>] mddev_unlock+0xd0/0xe0
>[13229.114039] RSP: 0018:ffff8800184dbca0  EFLAGS: 00000246
>[13229.114039] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000000006
>[13229.114039] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff8800188f0948
>[13229.114039] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13229.114039] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
>[13229.114039] R13: ffffffff8175f926 R14: ffff88001844a5f0 R15: 000000071844adc8
>[13229.114039] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13229.114039] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13229.114039] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13229.114039] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13229.114039] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13229.114039] Stack:
>[13229.114039]  ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a
>[13229.114039]  ffff880019835068 ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8
>[13229.114039]  ffffffffa021f979 ffff8800198350e0 ffff880019835068 7fffffffffffffff
>[13229.114039] Call Trace:
>[13229.114039]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13229.114039]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13229.114039]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13229.114039]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13229.114039]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13229.114039]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13229.114039]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13229.114039]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13229.114039]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13229.114039]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13229.114039] Code: c7 c6 20 cf cd 81 e8 c0 27 cf ff 48 8b bb a8 03 00 00 48 85 ff 74 05 e8 5f 21 cf ff 48 c7 83 a8 03 00 00 00 00 00 00 eb 9e 66 90 <48> 8d bf 70 02 00 00 e8 c4 7f 1c 00 eb 95 66 90 66 66 66 66 90 
>[13257.114782] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13257.114782] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13257.114782] irq event stamp: 2837340710
>[13257.114782] hardirqs last  enabled at (2837340709): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13257.114782] hardirqs last disabled at (2837340710): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13257.114782] softirqs last  enabled at (2837340498): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13257.114782] softirqs last disabled at (2837340493): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13257.114782] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13257.114782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13257.114782] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13257.114782] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13257.114782] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13257.114782] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13257.114782] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[13257.114782] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13257.114782] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13257.114782] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[13257.114782] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13257.114782] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13257.114782] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13257.114782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13257.114782] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13257.114782] Stack:
>[13257.114782]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[13257.114782]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[13257.114782]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13257.114782] Call Trace:
>[13257.114782]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[13257.114782]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13257.114782]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13257.114782]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13257.114782]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13257.114782]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13257.114782]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13257.114782]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13257.114782]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13257.114782]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13257.114782] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13259.405434] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=13130337 jiffies, g=9748, c=9747, q=1)
>[13259.405434] INFO: Stall ended before state dump start
>[13285.114525] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13285.114525] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13285.114525] irq event stamp: 2843393306
>[13285.114525] hardirqs last  enabled at (2843393305): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13285.114525] hardirqs last disabled at (2843393306): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13285.114525] softirqs last  enabled at (2843393094): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13285.114525] softirqs last disabled at (2843393089): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13285.114525] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13285.114525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13285.114525] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13285.114525] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13285.114525] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13285.114525] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[13285.114525] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[13285.114525] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13285.114525] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13285.114525] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[13285.114525] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13285.114525] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13285.114525] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13285.114525] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13285.114525] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13285.114525] Stack:
>[13285.114525]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[13285.114525]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[13285.114525]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13285.114525] Call Trace:
>[13285.114525]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[13285.114525]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[13285.114525]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13285.114525]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13285.114525]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13285.114525]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13285.114525]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13285.114525]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13285.114525]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13285.114525]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13285.114525] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13313.114269] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13313.114269] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13313.114269] irq event stamp: 2849458476
>[13313.114269] hardirqs last  enabled at (2849458475): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13313.114269] hardirqs last disabled at (2849458476): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13313.114269] softirqs last  enabled at (2849458264): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13313.114269] softirqs last disabled at (2849458259): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13313.114269] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13313.114269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13313.114269] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13313.114269] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13313.114269] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[13313.114269] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[13313.114269] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[13313.114269] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[13313.114269] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13313.114269] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[13313.114269] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13313.114269] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13313.114269] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13313.114269] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13313.114269] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13313.114269] Stack:
>[13313.114269]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[13313.114269]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13313.114269]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[13313.114269] Call Trace:
>[13313.114269]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[13313.114269]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13313.114269]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13313.114269]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13313.114269]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13313.114269]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13313.114269]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13313.114269]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13313.114269]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13313.114269] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13341.114012] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13341.114012] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13341.114012] irq event stamp: 2855191472
>[13341.114012] hardirqs last  enabled at (2855191471): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[13341.114012] hardirqs last disabled at (2855191472): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13341.114012] softirqs last  enabled at (2855191284): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13341.114012] softirqs last disabled at (2855191279): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13341.114012] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13341.114012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13341.114012] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13341.114012] RIP: 0010:[<ffffffff8175f65a>]  [<ffffffff8175f65a>] _raw_spin_lock+0x6a/0x80
>[13341.114012] RSP: 0018:ffff8800184dbc78  EFLAGS: 00000282
>[13341.114012] RAX: ffff88001844a5f0 RBX: 0000000000000002 RCX: 0000000000000000
>[13341.114012] RDX: ffff88001f00e540 RSI: ffffffff81cdd258 RDI: 0000000000000286
>[13341.114012] RBP: ffff8800184dbc90 R08: 0000000000000000 R09: 0000000000000001
>[13341.114012] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
>[13341.114012] R13: 0000000000000246 R14: ffff88001844ad90 R15: 0000000000000002
>[13341.114012] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13341.114012] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13341.114012] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13341.114012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13341.114012] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13341.114012] Stack:
>[13341.114012]  ffffffff8159506f ffff8800188f0948 0000000000000000 ffff8800184dbcb0
>[13341.114012]  ffffffff8159506f ffff8800188f0948 ffff8800188f0d48 ffff8800184dbcd8
>[13341.114012]  ffffffff8159e94a ffff880019835068 ffff8800195c7450 ffff8800195c7460
>[13341.114012] Call Trace:
>[13341.114012]  [<ffffffff8159506f>] ? mddev_unlock+0x7f/0xe0
>[13341.114012]  [<ffffffff8159506f>] mddev_unlock+0x7f/0xe0
>[13341.114012]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13341.114012]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13341.114012]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13341.114012]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13341.114012]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13341.114012]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13341.114012]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13341.114012]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13341.114012]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13341.114012]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13341.114012] Code: 89 df e8 5a 84 97 ff 85 c0 75 14 48 8b 75 08 4c 89 e7 e8 0a 0b 97 ff 48 89 df e8 f2 82 97 ff 48 8b 75 08 4c 89 e7 e8 06 10 97 ff <48> 83 c4 08 5b 41 5c 5d c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 
>[13369.114755] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13369.114755] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13369.114755] irq event stamp: 2861290854
>[13369.114755] hardirqs last  enabled at (2861290853): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13369.114755] hardirqs last disabled at (2861290854): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13369.114755] softirqs last  enabled at (2861290630): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13369.114755] softirqs last disabled at (2861290625): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13369.114755] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13369.114755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13369.114755] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13369.114755] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13369.114755] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[13369.114755] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13369.114755] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[13369.114755] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13369.114755] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13369.114755] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[13369.114755] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13369.114755] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13369.114755] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13369.114755] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13369.114755] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13369.114755] Stack:
>[13369.114755]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[13369.114755]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[13369.114755]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13369.114755] Call Trace:
>[13369.114755]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[13369.114755]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13369.114755]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13369.114755]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13369.114755]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13369.114755]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13369.114755]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13369.114755]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13369.114755]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13369.114755]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13369.114755] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13397.114499] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13397.114499] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13397.114499] irq event stamp: 2867286166
>[13397.114499] hardirqs last  enabled at (2867286165): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13397.114499] hardirqs last disabled at (2867286166): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13397.114499] softirqs last  enabled at (2867285956): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13397.114499] softirqs last disabled at (2867285951): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13397.114499] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13397.114499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13397.114499] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13397.114499] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13397.114499] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13397.114499] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13397.114499] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13397.114499] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13397.114499] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13397.114499] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13397.114499] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13397.114499] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13397.114499] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13397.114499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13397.114499] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13397.114499] Stack:
>[13397.114499]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13397.114499]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13397.114499]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13397.114499] Call Trace:
>[13397.114499]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13397.114499]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13397.114499]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13397.114499]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13397.114499]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13397.114499]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13397.114499]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13397.114499]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13397.114499]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13397.114499]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13397.114499]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13397.114499] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13425.114242] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13425.114242] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13425.114242] irq event stamp: 2873364000
>[13425.114242] hardirqs last  enabled at (2873363999): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[13425.114242] hardirqs last disabled at (2873364000): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13425.114242] softirqs last  enabled at (2873363764): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13425.114242] softirqs last disabled at (2873363759): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13425.114242] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13425.114242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13425.114242] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13425.114242] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[13425.114242] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[13425.114242] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[13425.114242] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[13425.114242] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13425.114242] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[13425.114242] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[13425.114242] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13425.114242] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13425.114242] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13425.114242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13425.114242] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13425.114242] Stack:
>[13425.114242]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[13425.114242]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[13425.114242]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[13425.114242] Call Trace:
>[13425.114242]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[13425.114242]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[13425.114242]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13425.114242]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13425.114242]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13425.114242]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13425.114242]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13425.114242]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13425.114242]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13425.114242]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13425.114242]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13425.114242] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[13453.114985] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13453.114985] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13453.114985] irq event stamp: 2879478332
>[13453.114985] hardirqs last  enabled at (2879478331): [<ffffffff8175ce14>] mutex_trylock+0xd4/0x1b0
>[13453.114985] hardirqs last disabled at (2879478332): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13453.114985] softirqs last  enabled at (2879478118): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13453.114985] softirqs last disabled at (2879478113): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13453.114985] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13453.114985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13453.114985] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13453.114985] RIP: 0010:[<ffffffff8175ce19>]  [<ffffffff8175ce19>] mutex_trylock+0xd9/0x1b0
>[13453.114985] RSP: 0018:ffff8800184dbc90  EFLAGS: 00000246
>[13453.114985] RAX: ffff88001844a5f0 RBX: ffff8800184dbc50 RCX: 0000000000000006
>[13453.114985] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000246
>[13453.114985] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13453.114985] R10: 0000000000000001 R11: 0000000000000080 R12: 0000000000000006
>[13453.114985] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[13453.114985] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13453.114985] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13453.114985] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13453.114985] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13453.114985] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13453.114985] Stack:
>[13453.114985]  ffffffff8159e8a4 ffff8800188f0948 ffff8800195c7450 ffff8800195c7460
>[13453.114985]  ffff8800184dbcd8 ffffffff8159e8a4 ffff880019835068 ffff8800195c7450
>[13453.114985]  ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979 ffff8800198350e0
>[13453.114985] Call Trace:
>[13453.114985]  [<ffffffff8159e8a4>] ? md_check_recovery+0xc4/0x4f0
>[13453.114985]  [<ffffffff8159e8a4>] md_check_recovery+0xc4/0x4f0
>[13453.114985]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13453.114985]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13453.114985]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13453.114985]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13453.114985]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13453.114985]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13453.114985]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13453.114985]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13453.114985]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13453.114985] Code: 73 97 ff 48 8d 43 50 48 39 43 50 75 06 c7 03 00 00 00 00 66 83 43 08 01 41 f7 c4 00 02 00 00 74 31 e8 1c 4d 97 ff 4c 89 e7 57 9d <66> 66 90 66 90 41 0f b6 c5 85 c0 74 0d 65 48 8b 14 25 80 c9 00 
>[13454.380793] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=13325342 jiffies, g=9748, c=9747, q=1)
>[13454.380793] INFO: Stall ended before state dump start
>[13481.114704] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13481.114729] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13481.114729] irq event stamp: 2885469178
>[13481.114729] hardirqs last  enabled at (2885469177): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13481.114729] hardirqs last disabled at (2885469178): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13481.114729] softirqs last  enabled at (2885468982): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13481.114729] softirqs last disabled at (2885468977): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13481.114729] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13481.114729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13481.114729] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13481.114729] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13481.114729] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13481.114729] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13481.114729] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13481.114729] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13481.114729] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13481.114729] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13481.114729] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13481.114729] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13481.114729] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13481.114729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13481.114729] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13481.114729] Stack:
>[13481.114729]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13481.114729]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13481.114729]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13481.114729] Call Trace:
>[13481.114729]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13481.114729]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13481.114729]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13481.114729]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13481.114729]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13481.114729]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13481.114729]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13481.114729]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13481.114729]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13481.114729]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13481.114729]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13481.114729] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13509.114455] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13509.114472] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13509.114472] irq event stamp: 2891431288
>[13509.114472] hardirqs last  enabled at (2891431287): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13509.114472] hardirqs last disabled at (2891431288): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13509.114472] softirqs last  enabled at (2891431096): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13509.114472] softirqs last disabled at (2891431091): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13509.114472] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13509.114472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13509.114472] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13509.114472] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13509.114472] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000286
>[13509.114472] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[13509.114472] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[13509.114472] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13509.114472] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13509.114472] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[13509.114472] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13509.114472] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13509.114472] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13509.114472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13509.114472] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13509.114472] Stack:
>[13509.114472]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[13509.114472]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[13509.114472]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13509.114472] Call Trace:
>[13509.114472]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[13509.114472]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[13509.114472]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13509.114472]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13509.114472]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13509.114472]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13509.114472]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13509.114472]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13509.114472]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13509.114472]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13509.114472] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13537.114215] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13537.114215] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13537.114215] irq event stamp: 2897641050
>[13537.114215] hardirqs last  enabled at (2897641049): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13537.114215] hardirqs last disabled at (2897641050): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13537.114215] softirqs last  enabled at (2897640824): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13537.114215] softirqs last disabled at (2897640819): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13537.114215] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13537.114215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13537.114215] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13537.114215] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13537.114215] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13537.114215] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13537.114215] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13537.114215] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13537.114215] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13537.114215] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13537.114215] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13537.114215] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13537.114215] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13537.114215] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13537.114215] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13537.114215] Stack:
>[13537.114215]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13537.114215]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13537.114215]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13537.114215] Call Trace:
>[13537.114215]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13537.114215]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13537.114215]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13537.114215]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13537.114215]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13537.114215]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13537.114215]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13537.114215]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13537.114215]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13537.114215]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13537.114215]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13537.114215] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13565.114959] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13565.114959] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13565.114959] irq event stamp: 2903708966
>[13565.114959] hardirqs last  enabled at (2903708965): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13565.114959] hardirqs last disabled at (2903708966): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13565.114959] softirqs last  enabled at (2903708746): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13565.114959] softirqs last disabled at (2903708741): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13565.114959] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13565.114959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13565.114959] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13565.114959] RIP: 0010:[<ffffffffa021f930>]  [<ffffffffa021f930>] raid1d+0x0/0xe50 [raid1]
>[13565.114959] RSP: 0018:ffff8800184dbde0  EFLAGS: 00000246
>[13565.114959] RAX: 0000000000000000 RBX: ffff8800184dbd58 RCX: 0000000000000000
>[13565.114959] RDX: ffff8800184dbd58 RSI: 0000000000000000 RDI: ffff8800195c7450
>[13565.114959] RBP: ffff8800184dbe40 R08: 0000000000000000 R09: 0000000000000000
>[13565.114959] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000091827364
>[13565.114959] R13: ffff88001844a5f0 R14: ffff8800184da000 R15: 0000000000000000
>[13565.114959] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13565.114959] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13565.114959] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13565.114959] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13565.114959] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13565.114959] Stack:
>[13565.114959]  ffffffff815951e8 ffff8800184dbe08 0000000000000000 ffff88001844a5f0
>[13565.114959]  ffffffff810c6dc0 ffff8800184dbe08 ffff8800184dbe08 ffff88001847ec40
>[13565.114959]  ffff8800195c7450 ffffffff815950d0 0000000000000000 0000000000000000
>[13565.114959] Call Trace:
>[13565.114959]  [<ffffffff815951e8>] ? md_thread+0x118/0x130
>[13565.114959]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13565.114959]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13565.114959]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13565.114959]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13565.114959]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13565.114959]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13565.114959] Code: c7 c6 b8 11 22 a0 48 0f 45 f1 48 89 c1 31 c0 e8 ab 30 53 e1 e9 c2 fd ff ff e8 2d 4d e5 e0 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 <66> 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 81 ec 
>[13593.114702] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13593.114702] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13593.114702] irq event stamp: 2909630494
>[13593.114702] hardirqs last  enabled at (2909630493): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13593.114702] hardirqs last disabled at (2909630494): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13593.114702] softirqs last  enabled at (2909630328): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13593.114702] softirqs last disabled at (2909630323): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13593.114702] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13593.114702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13593.114702] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13593.114702] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13593.114702] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[13593.114702] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[13593.114702] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[13593.114702] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[13593.114702] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13593.114702] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[13593.114702] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13593.114702] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13593.114702] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13593.114702] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13593.114702] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13593.114702] Stack:
>[13593.114702]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[13593.114702]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[13593.114702]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[13593.114702] Call Trace:
>[13593.114702]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13593.114702]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[13593.114702]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[13593.114702]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13593.114702]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13593.114702]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13593.114702]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13593.114702]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13593.114702]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13593.114702]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13593.114702]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13593.114702]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13593.114702]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13593.114702] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13621.114445] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13621.114445] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13621.114445] irq event stamp: 2915678012
>[13621.114445] hardirqs last  enabled at (2915678011): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13621.114445] hardirqs last disabled at (2915678012): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13621.114445] softirqs last  enabled at (2915677778): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13621.114445] softirqs last disabled at (2915677773): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13621.114445] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13621.114445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13621.114445] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13621.114445] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13621.114445] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13621.114445] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[13621.114445] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[13621.114445] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13621.114445] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13621.114445] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[13621.114445] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13621.114445] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13621.114445] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13621.114445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13621.114445] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13621.114445] Stack:
>[13621.114445]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[13621.114445]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[13621.114445]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13621.114445] Call Trace:
>[13621.114445]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[13621.114445]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[13621.114445]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13621.114445]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13621.114445]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13621.114445]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13621.114445]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13621.114445]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13621.114445]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13621.114445]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13621.114445] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13649.114189] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13649.114189] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13649.114189] irq event stamp: 2921805638
>[13649.114189] hardirqs last  enabled at (2921805637): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13649.114189] hardirqs last disabled at (2921805638): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13649.114189] softirqs last  enabled at (2921805422): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13649.114189] softirqs last disabled at (2921805417): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13649.114189] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13649.114189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13649.114189] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13649.114189] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13649.114189] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[13649.114189] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[13649.114189] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[13649.114189] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[13649.114189] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13649.114189] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[13649.114189] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13649.114189] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13649.114189] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13649.114189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13649.114189] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13649.114189] Stack:
>[13649.114189]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[13649.114189]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[13649.114189]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[13649.114189] Call Trace:
>[13649.114189]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13649.114189]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[13649.114189]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[13649.114189]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13649.114189]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13649.114189]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13649.114189]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13649.114189]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13649.114189]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13649.114189]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13649.114189]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13649.114189]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13649.114189]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13649.114189] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13649.356111] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=13520347 jiffies, g=9748, c=9747, q=1)
>[13649.356152] INFO: Stall ended before state dump start
>[13677.114932] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13677.114932] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13677.114932] irq event stamp: 2927827252
>[13677.114932] hardirqs last  enabled at (2927827251): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13677.114932] hardirqs last disabled at (2927827252): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13677.114932] softirqs last  enabled at (2927827028): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13677.114932] softirqs last disabled at (2927827023): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13677.114932] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13677.114932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13677.114932] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13677.114932] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13677.114932] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13677.114932] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13677.114932] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13677.114932] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13677.114932] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13677.114932] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13677.114932] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13677.114932] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13677.114932] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13677.114932] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13677.114932] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13677.114932] Stack:
>[13677.114932]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13677.114932]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13677.114932]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13677.114932] Call Trace:
>[13677.114932]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13677.114932]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13677.114932]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13677.114932]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13677.114932]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13677.114932]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13677.114932]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13677.114932]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13677.114932]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13677.114932]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13677.114932]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13677.114932] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13705.114675] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13705.114675] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13705.114675] irq event stamp: 2933828972
>[13705.114675] hardirqs last  enabled at (2933828971): [<ffffffff8175cfb7>] __mutex_unlock_slowpath+0xc7/0x1a0
>[13705.114675] hardirqs last disabled at (2933828972): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13705.114675] softirqs last  enabled at (2933828762): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13705.114675] softirqs last disabled at (2933828757): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13705.114675] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13705.114675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13705.114675] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13705.114675] RIP: 0010:[<ffffffff8175cfbc>]  [<ffffffff8175cfbc>] __mutex_unlock_slowpath+0xcc/0x1a0
>[13705.114675] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000246
>[13705.114675] RAX: ffff88001844a5f0 RBX: ffff8800184dbc00 RCX: 0000000000000000
>[13705.114675] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000246
>[13705.114675] RBP: ffff8800184dbc80 R08: 0000000000000000 R09: 0000000000000000
>[13705.114675] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13705.114675] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbbe0
>[13705.114675] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13705.114675] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13705.114675] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13705.114675] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13705.114675] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13705.114675] Stack:
>[13705.114675]  ffff8800188f0948 0000000000000000 ffff8800195c7460 ffff8800184dbc90
>[13705.114675]  ffffffff8175d09e ffff8800184dbcb0 ffffffff815950cc ffff8800188f0948
>[13705.114675]  ffff8800188f0d48 ffff8800184dbcd8 ffffffff8159e94a ffff880019835068
>[13705.114675] Call Trace:
>[13705.114675]  [<ffffffff8175d09e>] mutex_unlock+0xe/0x10
>[13705.114675]  [<ffffffff815950cc>] mddev_unlock+0xdc/0xe0
>[13705.114675]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13705.114675]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13705.114675]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13705.114675]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13705.114675]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13705.114675]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13705.114675]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13705.114675]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13705.114675]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13705.114675]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13705.114675] Code: df 4c 89 e6 e8 36 0a 97 ff 49 8b 7c 24 10 e8 9c 5f 95 ff 66 83 43 08 01 41 f7 c5 00 02 00 00 74 1e e8 79 4b 97 ff 4c 89 ef 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 5d c3 0f 1f 84 00 00 00 00 00 4c 
>[13733.114419] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13733.114419] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13733.114419] irq event stamp: 2939797352
>[13733.114419] hardirqs last  enabled at (2939797351): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13733.114419] hardirqs last disabled at (2939797352): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13733.114419] softirqs last  enabled at (2939797150): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13733.114419] softirqs last disabled at (2939797145): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13733.114419] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13733.114419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13733.114419] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13733.114419] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13733.114419] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13733.114419] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13733.114419] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13733.114419] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13733.114419] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13733.114419] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13733.114419] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13733.114419] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13733.114419] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13733.114419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13733.114419] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13733.114419] Stack:
>[13733.114419]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13733.114419]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13733.114419]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13733.114419] Call Trace:
>[13733.114419]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13733.114419]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13733.114419]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13733.114419]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13733.114419]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13733.114419]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13733.114419]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13733.114419]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13733.114419]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13733.114419]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13733.114419]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13733.114419] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13761.114162] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13761.114162] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13761.114162] irq event stamp: 2945817414
>[13761.114162] hardirqs last  enabled at (2945817413): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13761.114162] hardirqs last disabled at (2945817414): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13761.114162] softirqs last  enabled at (2945817208): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13761.114162] softirqs last disabled at (2945817203): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13761.114162] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13761.114162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13761.114162] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13761.114162] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13761.114162] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13761.114162] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13761.114162] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13761.114162] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13761.114162] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13761.114162] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13761.114162] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13761.114162] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13761.114162] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13761.114162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13761.114162] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13761.114162] Stack:
>[13761.114162]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13761.114162]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13761.114162]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13761.114162] Call Trace:
>[13761.114162]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13761.114162]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13761.114162]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13761.114162]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13761.114162]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13761.114162]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13761.114162]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13761.114162]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13761.114162]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13761.114162]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13761.114162]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13761.114162] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13789.114906] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13789.114906] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13789.114906] irq event stamp: 2952046342
>[13789.114906] hardirqs last  enabled at (2952046341): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13789.114906] hardirqs last disabled at (2952046342): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13789.114906] softirqs last  enabled at (2952046116): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13789.114906] softirqs last disabled at (2952046111): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13789.114906] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13789.114906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13789.114906] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13789.114906] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13789.114906] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13789.114906] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13789.114906] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13789.114906] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13789.114906] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13789.114906] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13789.114906] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13789.114906] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13789.114906] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13789.114906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13789.114906] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13789.114906] Stack:
>[13789.114906]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13789.114906]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13789.114906]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13789.114906] Call Trace:
>[13789.114906]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13789.114906]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13789.114906]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13789.114906]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13789.114906]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13789.114906]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13789.114906]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13789.114906]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13789.114906]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13789.114906]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13789.114906]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13789.114906] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13817.114649] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[13817.114649] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13817.114649] irq event stamp: 2958376656
>[13817.114649] hardirqs last  enabled at (2958376655): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13817.114649] hardirqs last disabled at (2958376656): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13817.114649] softirqs last  enabled at (2958376430): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13817.114649] softirqs last disabled at (2958376425): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13817.114649] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13817.114649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13817.114649] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13817.114649] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13817.114649] RSP: 0018:ffff8800184dbc68  EFLAGS: 00000292
>[13817.114649] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[13817.114649] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: 0000000000000292
>[13817.114649] RBP: ffff8800184dbc78 R08: 0000000000000000 R09: 0000000000000000
>[13817.114649] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13817.114649] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbbe0
>[13817.114649] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13817.114649] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13817.114649] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13817.114649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13817.114649] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13817.114649] Stack:
>[13817.114649]  ffff8800188f0d90 0000000000000292 ffff8800184dbcb0 ffffffff810c6924
>[13817.114649]  ffff8800188f0948 ffff8800188f0d48 ffff8800195c7460 ffff88001844a5f0
>[13817.114649]  0000000000000000 ffff8800184dbcd8 ffffffff8159e934 ffff880019835068
>[13817.114649] Call Trace:
>[13817.114649]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13817.114649]  [<ffffffff8159e934>] md_check_recovery+0x154/0x4f0
>[13817.114649]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13817.114649]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13817.114649]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13817.114649]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13817.114649]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13817.114649]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13817.114649]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13817.114649]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13817.114649]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13817.114649] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13844.331473] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=13715352 jiffies, g=9748, c=9747, q=1)
>[13844.331511] INFO: Stall ended before state dump start
>[13869.114744] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13869.114744] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13869.114744] irq event stamp: 2969634354
>[13869.114744] hardirqs last  enabled at (2969634353): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13869.114744] hardirqs last disabled at (2969634354): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13869.114744] softirqs last  enabled at (2969634114): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13869.114744] softirqs last disabled at (2969634109): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13869.114744] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13869.114744] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13869.114744] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13869.114744] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13869.114744] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13869.114744] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[13869.114744] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[13869.114744] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13869.114744] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13869.114744] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[13869.114744] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13869.114744] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13869.114744] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13869.114744] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13869.114744] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13869.114744] Stack:
>[13869.114744]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[13869.114744]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[13869.114744]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13869.114744] Call Trace:
>[13869.114744]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[13869.114744]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[13869.114744]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13869.114744]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13869.114744]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13869.114744]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13869.114744]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13869.114744]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13869.114744]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13869.114744]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13869.114744] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[13897.114487] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13897.114487] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13897.114487] irq event stamp: 2975646762
>[13897.114487] hardirqs last  enabled at (2975646761): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13897.114487] hardirqs last disabled at (2975646762): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13897.114487] softirqs last  enabled at (2975646534): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13897.114487] softirqs last disabled at (2975646529): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13897.114487] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13897.114487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13897.114487] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13897.114487] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13897.114487] RSP: 0018:ffff8800184dbc30  EFLAGS: 00000282
>[13897.114487] RAX: ffff88001844a5f0 RBX: ffff8800184dbbf0 RCX: 0000000000000006
>[13897.114487] RDX: 0000000000002db0 RSI: ffff88001844ad90 RDI: 0000000000000282
>[13897.114487] RBP: ffff8800184dbc40 R08: 0000000000000000 R09: 0000000000000000
>[13897.114487] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[13897.114487] R13: 0000000000000006 R14: ffff88001844ad90 R15: 0000000000000000
>[13897.114487] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13897.114487] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13897.114487] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13897.114487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13897.114487] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13897.114487] Stack:
>[13897.114487]  ffff8800195c7460 0000000000000282 ffff8800184dbc78 ffffffff810c6924
>[13897.114487]  ffff8800195c7450 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[13897.114487]  0000000000000000 ffff8800184dbc90 ffffffff81594ee5 ffff8800188f0948
>[13897.114487] Call Trace:
>[13897.114487]  [<ffffffff810c6924>] __wake_up+0x44/0x50
>[13897.114487]  [<ffffffff81594ee5>] md_wakeup_thread+0x35/0x60
>[13897.114487]  [<ffffffff8159507b>] mddev_unlock+0x8b/0xe0
>[13897.114487]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13897.114487]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13897.114487]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13897.114487]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13897.114487]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13897.114487]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13897.114487]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13897.114487]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13897.114487]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13897.114487]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13897.114487] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13925.114203] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13925.114230] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13925.114230] irq event stamp: 2981424442
>[13925.114230] hardirqs last  enabled at (2981424441): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13925.114230] hardirqs last disabled at (2981424442): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13925.114230] softirqs last  enabled at (2981424246): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13925.114230] softirqs last disabled at (2981424241): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13925.114230] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13925.114230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13925.114230] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13925.114230] RIP: 0010:[<ffffffff810d46f2>]  [<ffffffff810d46f2>] lock_release+0xc2/0x310
>[13925.114230] RSP: 0018:ffff8800184dbc50  EFLAGS: 00000246
>[13925.114230] RAX: ffff88001844a5f0 RBX: 0000000000000000 RCX: 0000000000005b40
>[13925.114230] RDX: ffff88001f036400 RSI: 0000000000000001 RDI: 0000000000000246
>[13925.114230] RBP: ffff8800184dbc78 R08: 0000000000000001 R09: 0000000000000000
>[13925.114230] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001f1d5d00
>[13925.114230] R13: ffffffff810b68ad R14: ffff8800184dbbd8 R15: ffffffff81021a39
>[13925.114230] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13925.114230] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13925.114230] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13925.114230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13925.114230] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13925.114230] Stack:
>[13925.114230]  ffffffff81cdd240 0000000000000000 ffff8800195c7460 ffff88001844a5f0
>[13925.114230]  0000000000000000 ffff8800184dbc90 ffffffff8175f88f ffff8800188f0948
>[13925.114230]  ffff8800184dbcb0 ffffffff81595087 ffff8800188f0948 ffff8800188f0d48
>[13925.114230] Call Trace:
>[13925.114230]  [<ffffffff8175f88f>] _raw_spin_unlock+0x1f/0x40
>[13925.114230]  [<ffffffff81595087>] mddev_unlock+0x97/0xe0
>[13925.114230]  [<ffffffff8159e94a>] md_check_recovery+0x16a/0x4f0
>[13925.114230]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[13925.114230]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13925.114230]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13925.114230]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13925.114230]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13925.114230]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13925.114230]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13925.114230]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13925.114230]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13925.114230] Code: 85 8c 00 00 00 4c 89 ea 4c 89 e6 48 89 df e8 06 fc ff ff 65 48 8b 04 25 80 c9 00 00 4c 89 f7 c7 80 9c 07 00 00 00 00 00 00 57 9d <66> 66 90 66 90 5b 41 5c 41 5d 41 5e 41 5f 5d f3 c3 0f 1f 44 00 
>[13953.114974] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13953.114974] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13953.114974] irq event stamp: 2987513758
>[13953.114974] hardirqs last  enabled at (2987513757): [<ffffffff8175f926>] _raw_spin_unlock_irqrestore+0x36/0x70
>[13953.114974] hardirqs last disabled at (2987513758): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13953.114974] softirqs last  enabled at (2987513556): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13953.114974] softirqs last disabled at (2987513551): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13953.114974] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13953.114974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13953.114974] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13953.114974] RIP: 0010:[<ffffffff8175f92b>]  [<ffffffff8175f92b>] _raw_spin_unlock_irqrestore+0x3b/0x70
>[13953.114974] RSP: 0018:ffff8800184dbcc8  EFLAGS: 00000296
>[13953.114974] RAX: ffff88001844a5f0 RBX: ffff8800184dbc60 RCX: 0000000000000000
>[13953.114974] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000296
>[13953.114974] RBP: ffff8800184dbcd8 R08: 0000000000000000 R09: 0000000000000000
>[13953.114974] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13953.114974] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc40
>[13953.114974] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13953.114974] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13953.114974] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13953.114974] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13953.114974] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13953.114974] Stack:
>[13953.114974]  ffff880019835098 0000000000000296 ffff8800184dbdd8 ffffffffa021ffd5
>[13953.114974]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13953.114974]  ffff8800184dbe40 ffffffff81390d9b ffff880019835068 0000000000000001
>[13953.114974] Call Trace:
>[13953.114974]  [<ffffffffa021ffd5>] raid1d+0x6a5/0xe50 [raid1]
>[13953.114974]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13953.114974]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13953.114974]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13953.114974]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13953.114974]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13953.114974]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13953.114974]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13953.114974]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13953.114974] Code: 55 08 48 8d 7f 18 53 48 89 f3 be 01 00 00 00 e8 1c 4d 97 ff 4c 89 e7 e8 d4 81 97 ff f6 c7 02 74 1f e8 0a 22 97 ff 48 89 df 57 9d <66> 66 90 66 90 5b 41 5c 65 ff 0c 25 60 c9 00 00 5d c3 0f 1f 00 
>[13981.114717] BUG: soft lockup - CPU#0 stuck for 22s! [md123_raid1:146]
>[13981.114717] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[13981.114717] irq event stamp: 2993617324
>[13981.114717] hardirqs last  enabled at (2993617323): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[13981.114717] hardirqs last disabled at (2993617324): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[13981.114717] softirqs last  enabled at (2993617100): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[13981.114717] softirqs last disabled at (2993617095): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[13981.114717] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[13981.114717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[13981.114717] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[13981.114717] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[13981.114717] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[13981.114717] RAX: ffff88001844a5f0 RBX: ffff8800184dbc40 RCX: 0000000000000000
>[13981.114717] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88001844a5f0
>[13981.114717] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[13981.114717] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88001844ad90
>[13981.114717] R13: 0000000000000002 R14: ffffffff810b6a38 R15: ffff8800184dbc20
>[13981.114717] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[13981.114717] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[13981.114717] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[13981.114717] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[13981.114717] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[13981.114717] Stack:
>[13981.114717]  0000000000000000 ffff8800184dbcd8 ffffffffa021a0f0 ffff880019835098
>[13981.114717]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f99f
>[13981.114717]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[13981.114717] Call Trace:
>[13981.114717]  [<ffffffffa021a0f0>] flush_pending_writes+0xc0/0x100 [raid1]
>[13981.114717]  [<ffffffffa021f99f>] raid1d+0x6f/0xe50 [raid1]
>[13981.114717]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[13981.114717]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[13981.114717]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[13981.114717]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[13981.114717]  [<ffffffff810a01df>] kthread+0xff/0x120
>[13981.114717]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13981.114717]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[13981.114717]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[13981.114717] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>[14009.114460] BUG: soft lockup - CPU#0 stuck for 23s! [md123_raid1:146]
>[14009.114460] Modules linked in: raid1 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx kvm_amd kvm snd_pcsp snd_pcm snd_page_alloc snd_timer serio_raw snd soundcore ata_generic pata_acpi virtio_balloon virtio_pci virtio_mmio virtio_net virtio_scsi virtio_blk virtio_console virtio_rng virtio_ring virtio ideapad_laptop sparse_keymap rfkill sym53c8xx scsi_transport_spi crc8 crc_ccitt crc32 crc_itu_t libcrc32c megaraid megaraid_sas megaraid_mbox megaraid_mm
>[14009.114460] irq event stamp: 2999789228
>[14009.114460] hardirqs last  enabled at (2999789227): [<ffffffff8175f98c>] _raw_spin_unlock_irq+0x2c/0x40
>[14009.114460] hardirqs last disabled at (2999789228): [<ffffffff8176a5ad>] apic_timer_interrupt+0x6d/0x80
>[14009.114460] softirqs last  enabled at (2999789008): [<ffffffff8107b098>] __do_softirq+0x198/0x430
>[14009.114460] softirqs last disabled at (2999789003): [<ffffffff8107b71d>] irq_exit+0xcd/0xe0
>[14009.114460] CPU: 0 PID: 146 Comm: md123_raid1 Not tainted 3.13.0-0.rc1.git0.1.fc21.x86_64+debug #1
>[14009.114460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[14009.114460] task: ffff88001844a5f0 ti: ffff8800184da000 task.ti: ffff8800184da000
>[14009.114460] RIP: 0010:[<ffffffff8175f990>]  [<ffffffff8175f990>] _raw_spin_unlock_irq+0x30/0x40
>[14009.114460] RSP: 0018:ffff8800184dbca8  EFLAGS: 00000282
>[14009.114460] RAX: ffff88001844a5f0 RBX: ffff88001844a5f0 RCX: 0000000000000006
>[14009.114460] RDX: 0000000000002e20 RSI: ffff88001844ad90 RDI: ffff88001844a5f0
>[14009.114460] RBP: ffff8800184dbcb0 R08: 0000000000000000 R09: 0000000000000000
>[14009.114460] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006
>[14009.114460] R13: ffff88001844ad90 R14: 0000000000000000 R15: ffff8800184dbc20
>[14009.114460] FS:  0000000000000000(0000) GS:ffff88001f000000(0000) knlGS:0000000000000000
>[14009.114460] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>[14009.114460] CR2: 00007f6f943bc000 CR3: 00000000198aa000 CR4: 00000000000006f0
>[14009.114460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
>[14009.114460] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
>[14009.114460] Stack:
>[14009.114460]  ffff8800188f0948 ffff8800184dbcd8 ffffffff8159ea58 ffff880019835068
>[14009.114460]  ffff8800195c7450 ffff8800195c7460 ffff8800184dbdd8 ffffffffa021f979
>[14009.114460]  ffff8800198350e0 ffff880019835068 7fffffffffffffff ffff8800195c7450
>[14009.114460] Call Trace:
>[14009.114460]  [<ffffffff8159ea58>] md_check_recovery+0x278/0x4f0
>[14009.114460]  [<ffffffffa021f979>] raid1d+0x49/0xe50 [raid1]
>[14009.114460]  [<ffffffff81390d9b>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>[14009.114460]  [<ffffffff815951e8>] md_thread+0x118/0x130
>[14009.114460]  [<ffffffff810c6dc0>] ? abort_exclusive_wait+0xb0/0xb0
>[14009.114460]  [<ffffffff815950d0>] ? mddev_unlock+0xe0/0xe0
>[14009.114460]  [<ffffffff810a01df>] kthread+0xff/0x120
>[14009.114460]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[14009.114460]  [<ffffffff8176987c>] ret_from_fork+0x7c/0xb0
>[14009.114460]  [<ffffffff810a00e0>] ? insert_kthread_work+0x80/0x80
>[14009.114460] Code: 55 be 01 00 00 00 48 89 e5 53 48 89 fb 48 8b 55 08 48 8d 7f 18 e8 b1 4c 97 ff 48 89 df e8 69 81 97 ff e8 a4 21 97 ff fb 66 66 90 <66> 66 90 5b 65 ff 0c 25 60 c9 00 00 5d c3 66 90 66 66 66 66 90 
>/builddir/build/BUILD/libguestfs-1.25.11/run: command timed out after 4h
>FAIL: test-mdadm.sh

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Attachments on bug 1033971: 828434