Attachment 861122 Details for Bug 1062439 – dmesg - liveinst - 3.14.0-0.rc1.git3.1

dmesg - liveinst - 3.14.0-0.rc1.git3.1

dmesg-3.14.0-0.rc1.git3.1.fc21.x86_64-BTRFS-irq-lock-dma-debug-sata-ahci (text/plain), 63.57 KB, created by poma on 2014-02-09 18:04:17 UTC

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Creator: poma

Created: 2014-02-09 18:04:17 UTC

Size: 63.57 KB

patch

obsolete

>
>[    0.000000]   node   0: [mem 0x00001000-0x0009efff]
>[    0.000000]   node   0: [mem 0x00100000-0x7fffdfff]
>[    0.000000] On node 0 totalpages: 524188
>[    0.000000]   DMA zone: 64 pages used for memmap
>[    0.000000]   DMA zone: 21 pages reserved
>[    0.000000]   DMA zone: 3998 pages, LIFO batch:0
>[    0.000000]   DMA32 zone: 8128 pages used for memmap
>[    0.000000]   DMA32 zone: 520190 pages, LIFO batch:31
>[    0.000000] ACPI: PM-Timer IO Port: 0xb008
>[    0.000000] ACPI: Local APIC address 0xfee00000
>[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
>[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
>[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
>[    0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
>[    0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
>[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
>[    0.000000] ACPI: IRQ0 used by override.
>[    0.000000] ACPI: IRQ2 used by override.
>[    0.000000] ACPI: IRQ5 used by override.
>[    0.000000] ACPI: IRQ9 used by override.
>[    0.000000] ACPI: IRQ10 used by override.
>[    0.000000] ACPI: IRQ11 used by override.
>[    0.000000] Using ACPI (MADT) for SMP configuration information
>[    0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
>[    0.000000] nr_irqs_gsi: 40
>[    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 0x80000000-0xfeffbfff] available for PCI devices
>[    0.000000] Booting paravirtualized kernel on KVM
>[    0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
>[    0.000000] PERCPU: Embedded 478 pages/cpu @ffff88007d600000 s1926848 r8192 d22848 u2097152
>[    0.000000] pcpu-alloc: s1926848 r8192 d22848 u2097152 alloc=1*2097152
>[    0.000000] pcpu-alloc: [0] 0 [0] 1 
>[    0.000000] kvm-clock: cpu 0, msr 0:7dac7001, primary cpu clock
>[    0.000000] KVM setup async PF for cpu 0
>[    0.000000] kvm-stealtime: cpu 0, msr 7d60e280
>[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 515975
>[    0.000000] Policy zone: DMA32
>[    0.000000] Kernel command line: initrd=initrd0.img root=live:CDLABEL=Fedora-Live-Xfce-x86_64-rawhide- rootfstype=auto ro rd.live.image BOOT_IMAGE=vmlinuz0 
>[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
>[    0.000000] Memory: 1990820K/2096752K available (8093K kernel code, 1605K rwdata, 3296K rodata, 3700K init, 12860K bss, 105932K reserved)
>[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
>[    0.000000] Hierarchical RCU implementation.
>[    0.000000] 	RCU lockdep checking is enabled.
>[    0.000000] 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
>[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
>[    0.000000] NR_IRQS:524544 nr_irqs:512 16
>[    0.000000] ACPI: Core revision 20131218
>[    0.000000] kmemleak: Kernel memory leak detector disabled
>[    0.000000] ACPI: All ACPI Tables successfully acquired
>[    0.000000] Console: colour VGA+ 80x25
>[    0.000000] console [tty0] 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] allocated 8388608 bytes of page_cgroup
>[    0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
>[    0.000000] ODEBUG: 20 of 20 active objects replaced
>[    0.000000] tsc: Detected 3200.000 MHz processor
>[    0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized
>[    0.003000] Calibrating delay loop (skipped) preset value.. 6400.00 BogoMIPS (lpj=3200000)
>[    0.003006] pid_max: default: 32768 minimum: 301
>[    0.003559] Security Framework initialized
>[    0.004000] SELinux:  Initializing.
>[    0.004040] SELinux:  Starting in permissive mode
>[    0.006029] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
>[    0.007796] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
>[    0.008232] Mount-cache hash table entries: 256
>[    0.010114] Initializing cgroup subsys memory
>[    0.010520] Initializing cgroup subsys devices
>[    0.010895] Initializing cgroup subsys freezer
>[    0.011017] Initializing cgroup subsys net_cls
>[    0.011383] Initializing cgroup subsys blkio
>[    0.012005] Initializing cgroup subsys perf_event
>[    0.012376] Initializing cgroup subsys hugetlb
>[    0.012851] mce: CPU supports 10 MCE banks
>[    0.013051] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127
>Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0
>tlb_flushall_shift: 4
>[    0.014281] Freeing SMP alternatives memory: 24K (ffffffff82130000 - ffffffff82136000)
>[    0.018693] ftrace: allocating 26498 entries in 104 pages
>[    0.028286] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>[    0.028674] smpboot: CPU0: AMD Opteron 23xx (Gen 3 Class Opteron) (fam: 0f, model: 06, stepping: 01)
>[    0.030000] APIC calibration not consistent with PM-Timer: 101ms instead of 100ms
>[    0.030000] APIC delta adjusted to PM-Timer: 6249991 (6312936)
>[    0.030075] Performance Events: Broken PMU hardware detected, using software events only.
>[    0.030825] Failed to access perfctr msr (MSR c0010001 is ffffffffffffffff)
>[    0.033024] watchdog: disabled (inside virtual machine)
>[    0.036342] x86: Booting SMP configuration:
>[    0.037014] .... node  #0, CPUs:      #1
>[    0.003000] kvm-clock: cpu 1, msr 0:7dac7041, secondary cpu clock
>[    0.051179] x86: Booted up 1 node, 2 CPUs
>[    0.051139] KVM setup async PF for cpu 1
>[    0.051139] kvm-stealtime: cpu 1, msr 7d80e280
>[    0.052004] smpboot: Total of 2 processors activated (12800.00 BogoMIPS)
>[    0.055082] devtmpfs: initialized
>[    0.062110] atomic64 test passed for x86-64 platform with CX8 and with SSE
>[    0.062517] pinctrl core: initialized pinctrl subsystem
>[    0.063092] RTC time: 11:39:20, date: 02/09/14
>[    0.063627] NET: Registered protocol family 16
>[    0.064392] cpuidle: using governor menu
>[    0.066522] ACPI: bus type PCI registered
>[    0.066851] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>[    0.067259] PCI: Using configuration type 1 for base access
>[    0.074228] bio: create slab <bio-0> at 0
>[    0.075286] ACPI: Added _OSI(Module Device)
>[    0.076007] ACPI: Added _OSI(Processor Device)
>[    0.076502] ACPI: Added _OSI(3.0 _SCP Extensions)
>[    0.077005] ACPI: Added _OSI(Processor Aggregator Device)
>[    0.087878] ACPI: Interpreter enabled
>[    0.088009] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20131218/hwxface-580)
>[    0.088732] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131218/hwxface-580)
>[    0.089640] ACPI: (supports S0 S3 S4 S5)
>[    0.090003] ACPI: Using IOAPIC for interrupt routing
>[    0.090406] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>[    0.092682] ACPI: No dock devices found.
>[    0.113430] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>[    0.113805] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
>[    0.114055] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
>[    0.114771] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
>[    0.117167] acpiphp: Slot [3] registered
>[    0.117534] acpiphp: Slot [4] registered
>[    0.117926] acpiphp: Slot [6] registered
>[    0.118062] acpiphp: Slot [7] registered
>[    0.118421] acpiphp: Slot [8] registered
>[    0.119030] acpiphp: Slot [9] registered
>[    0.119393] acpiphp: Slot [10] registered
>[    0.119755] acpiphp: Slot [11] registered
>[    0.120067] acpiphp: Slot [12] registered
>[    0.120434] acpiphp: Slot [13] registered
>[    0.120794] acpiphp: Slot [14] registered
>[    0.121060] acpiphp: Slot [15] registered
>[    0.121438] acpiphp: Slot [16] registered
>[    0.121800] acpiphp: Slot [17] registered
>[    0.122057] acpiphp: Slot [18] registered
>[    0.122418] acpiphp: Slot [19] registered
>[    0.123065] acpiphp: Slot [20] registered
>[    0.123431] acpiphp: Slot [21] registered
>[    0.124062] acpiphp: Slot [22] registered
>[    0.124437] acpiphp: Slot [23] registered
>[    0.124801] acpiphp: Slot [24] registered
>[    0.125061] acpiphp: Slot [25] registered
>[    0.126086] acpiphp: Slot [26] registered
>[    0.126455] acpiphp: Slot [27] registered
>[    0.127089] acpiphp: Slot [28] registered
>[    0.127635] acpiphp: Slot [29] registered
>[    0.128094] acpiphp: Slot [30] registered
>[    0.129089] acpiphp: Slot [31] registered
>[    0.129578] PCI host bridge to bus 0000:00
>[    0.130009] pci_bus 0000:00: root bus resource [bus 00-ff]
>[    0.130612] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
>[    0.131006] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
>[    0.131597] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
>[    0.132006] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff]
>[    0.133006] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
>[    0.133960] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
>[    0.135052] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
>[    0.142007] pci 0000:00:01.1: reg 0x20: [io  0xc200-0xc20f]
>[    0.145396] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
>[    0.145716] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
>[    0.146024] pci 0000:00:01.3: quirk: [io  0xb100-0xb10f] claimed by PIIX4 SMB
>[    0.147106] pci 0000:00:02.0: [1b36:0100] type 00 class 0x030000
>[    0.149013] pci 0000:00:02.0: reg 0x10: [mem 0xf4000000-0xf7ffffff]
>[    0.151012] pci 0000:00:02.0: reg 0x14: [mem 0xf8000000-0xfbffffff]
>[    0.154017] pci 0000:00:02.0: reg 0x18: [mem 0xfc054000-0xfc055fff]
>[    0.156012] pci 0000:00:02.0: reg 0x1c: [io  0xc100-0xc11f]
>[    0.162013] pci 0000:00:02.0: reg 0x30: [mem 0xfc040000-0xfc04ffff pref]
>[    0.163486] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000
>[    0.165007] pci 0000:00:03.0: reg 0x10: [io  0xc120-0xc13f]
>[    0.167007] pci 0000:00:03.0: reg 0x14: [mem 0xfc058000-0xfc058fff]
>[    0.177007] pci 0000:00:03.0: reg 0x30: [mem 0xfc000000-0xfc03ffff pref]
>[    0.178400] pci 0000:00:04.0: [8086:2668] type 00 class 0x040300
>[    0.179691] pci 0000:00:04.0: reg 0x10: [mem 0xfc050000-0xfc053fff]
>[    0.187522] pci 0000:00:05.0: [8086:2934] type 00 class 0x0c0300
>[    0.194007] pci 0000:00:05.0: reg 0x20: [io  0xc140-0xc15f]
>[    0.197416] pci 0000:00:05.1: [8086:2935] type 00 class 0x0c0300
>[    0.204006] pci 0000:00:05.1: reg 0x20: [io  0xc160-0xc17f]
>[    0.207217] pci 0000:00:05.2: [8086:2936] type 00 class 0x0c0300
>[    0.213648] pci 0000:00:05.2: reg 0x20: [io  0xc180-0xc19f]
>[    0.216424] pci 0000:00:05.7: [8086:293a] type 00 class 0x0c0320
>[    0.217646] pci 0000:00:05.7: reg 0x10: [mem 0xfc059000-0xfc059fff]
>[    0.226121] pci 0000:00:06.0: [1af4:1003] type 00 class 0x078000
>[    0.228007] pci 0000:00:06.0: reg 0x10: [io  0xc1a0-0xc1bf]
>[    0.230011] pci 0000:00:06.0: reg 0x14: [mem 0xfc05a000-0xfc05afff]
>[    0.241019] pci 0000:00:07.0: [1000:0012] type 00 class 0x010000
>[    0.243006] pci 0000:00:07.0: reg 0x10: [io  0xc000-0xc0ff]
>[    0.245007] pci 0000:00:07.0: reg 0x14: [mem 0xfc05b000-0xfc05b3ff]
>[    0.247007] pci 0000:00:07.0: reg 0x18: [mem 0xfc056000-0xfc057fff]
>[    0.258268] pci 0000:00:08.0: [1af4:1002] type 00 class 0x00ff00
>[    0.259007] pci 0000:00:08.0: reg 0x10: [io  0xc1c0-0xc1df]
>[    0.268004] pci 0000:00:09.0: [8086:2922] type 00 class 0x010601
>[    0.278007] pci 0000:00:09.0: reg 0x20: [io  0xc1e0-0xc1ff]
>[    0.280006] pci 0000:00:09.0: reg 0x24: [mem 0xfc05c000-0xfc05cfff]
>[    0.284060] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
>[    0.284913] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
>[    0.285687] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
>[    0.286572] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
>[    0.287107] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
>[    0.288647] ACPI: Enabled 16 GPEs in block 00 to 0F
>[    0.289535] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>[    0.290011] vgaarb: loaded
>[    0.290296] vgaarb: bridge control possible 0000:00:02.0
>[    0.291161] SCSI subsystem initialized
>[    0.291608] libata version 3.00 loaded.
>[    0.291608] ACPI: bus type USB registered
>[    0.292064] usbcore: registered new interface driver usbfs
>[    0.292439] usbcore: registered new interface driver hub
>[    0.292870] usbcore: registered new device driver usb
>[    0.293174] PCI: Using ACPI for IRQ routing
>[    0.293372] PCI: pci_cache_line_size set to 64 bytes
>[    0.294084] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
>[    0.294093] e820: reserve RAM buffer [mem 0x7fffe000-0x7fffffff]
>[    0.294633] NetLabel: Initializing
>[    0.295006] NetLabel:  domain hash size = 128
>[    0.296002] NetLabel:  protocols = UNLABELED CIPSOv4
>[    0.296529] NetLabel:  unlabeled traffic allowed by default
>[    0.297231] Switched to clocksource kvm-clock
>[    0.360295] pnp: PnP ACPI init
>[    0.360685] ACPI: bus type PNP registered
>[    0.361222] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
>[    0.361361] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
>[    0.361486] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
>[    0.361581] pnp 00:03: [dma 2]
>[    0.361652] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
>[    0.361818] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
>[    0.361975] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
>[    0.362159] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
>[    0.362766] pnp: PnP ACPI: found 7 devices
>[    0.363103] ACPI: bus type PNP unregistered
>[    0.383040] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
>[    0.383044] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
>[    0.383046] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
>[    0.383048] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff]
>[    0.383114] NET: Registered protocol family 2
>[    0.384151] TCP established hash table entries: 16384 (order: 5, 131072 bytes)
>[    0.385840] TCP bind hash table entries: 16384 (order: 8, 1310720 bytes)
>[    0.387096] TCP: Hash tables configured (established 16384 bind 16384)
>[    0.394290] TCP: reno registered
>[    0.395928] UDP hash table entries: 1024 (order: 5, 196608 bytes)
>[    0.396555] UDP-Lite hash table entries: 1024 (order: 5, 196608 bytes)
>[    0.397312] NET: Registered protocol family 1
>[    0.397664] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
>[    0.398066] pci 0000:00:01.0: PIIX3: Enabling Passive Release
>[    0.398441] pci 0000:00:01.0: Activating ISA DMA hang workarounds
>[    0.398834] pci 0000:00:02.0: Boot video device
>[    0.399988] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
>[    0.402325] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
>[    0.405256] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
>[    0.407500] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
>[    0.409398] PCI: CLS 0 bytes, default 64
>[    0.409707] Unpacking initramfs...
>[    1.188710] Freeing initrd memory: 37308K (ffff88007db6e000 - ffff88007ffdd000)
>[    1.205369] DMA-API: preallocated 65536 debug entries
>[    1.209385] DMA-API: debugging enabled by kernel config
>[    1.212715] Scanning for low memory corruption every 60 seconds
>[    1.216773] futex hash table entries: 512 (order: 4, 65536 bytes)
>[    1.217221] Initialise system trusted keyring
>[    1.217666] audit: initializing netlink subsys (disabled)
>[    1.218135] audit: type=2000 audit(1391945962.389:1): initialized
>[    1.218178] cryptomgr_test (28) used greatest stack depth: 6096 bytes left
>[    1.238441] HugeTLB registered 2 MB page size, pre-allocated 0 pages
>[    1.249557] zbud: loaded
>[    1.250523] VFS: Disk quotas dquot_6.5.2
>[    1.251050] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>[    1.253322] msgmni has been set to 3961
>[    1.253956] Key type big_key registered
>[    1.254304] SELinux:  Registering netfilter hooks
>[    1.256310] cryptomgr_test (33) used greatest stack depth: 5376 bytes left
>[    1.258417] cryptomgr_test (38) used greatest stack depth: 5312 bytes left
>[    1.259633] alg: No test for stdrng (krng)
>[    1.259980] NET: Registered protocol family 38
>[    1.260377] Key type asymmetric registered
>[    1.260714] Asymmetric key parser 'x509' registered
>[    1.261117] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
>[    1.261954] io scheduler noop registered
>[    1.262355] io scheduler deadline registered
>[    1.262901] io scheduler cfq registered (default)
>[    1.264525] list_sort_test: start testing list_sort()
>[    1.265328] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>[    1.265814] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
>[    1.266734] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
>[    1.267383] ACPI: Power Button [PWRF]
>[    1.268328] GHES: HEST is not enabled!
>[    1.268816] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>[    1.273568] Non-volatile memory driver v1.3
>[    1.273910] Linux agpgart interface v0.103
>[    1.274994] ahci 0000:00:09.0: version 3.0
>[    1.276409] ahci 0000:00:09.0: irq 40 for MSI/MSI-X
>[    1.276922] ahci 0000:00:09.0: AHCI 0001.0000 32 slots 6 ports 1.5 Gbps 0x3f impl SATA mode
>[    1.277722] ahci 0000:00:09.0: flags: ncq only 
>[    1.282424] scsi0 : ahci
>[    1.283535] scsi1 : ahci
>[    1.284388] scsi2 : ahci
>[    1.285307] scsi3 : ahci
>[    1.286039] scsi4 : ahci
>[    1.286691] scsi5 : ahci
>[    1.287195] ata1: SATA max UDMA/133 abar m4096@0xfc05c000 port 0xfc05c100 irq 40
>[    1.287765] ata2: SATA max UDMA/133 abar m4096@0xfc05c000 port 0xfc05c180 irq 40
>[    1.288364] ata3: SATA max UDMA/133 abar m4096@0xfc05c000 port 0xfc05c200 irq 40
>[    1.288935] ata4: SATA max UDMA/133 abar m4096@0xfc05c000 port 0xfc05c280 irq 40
>[    1.289538] ata5: SATA max UDMA/133 abar m4096@0xfc05c000 port 0xfc05c300 irq 40
>[    1.290127] ata6: SATA max UDMA/133 abar m4096@0xfc05c000 port 0xfc05c380 irq 40
>[    1.290810] ata_piix 0000:00:01.1: version 2.13
>[    1.293840] scsi6 : ata_piix
>[    1.294512] scsi7 : ata_piix
>[    1.294973] ata7: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc200 irq 14
>[    1.295377] ata8: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc208 irq 15
>[    1.296083] libphy: Fixed MDIO Bus: probed
>[    1.296662] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>[    1.297294] ehci-pci: EHCI PCI platform driver
>[    1.299782] ehci-pci 0000:00:05.7: EHCI Host Controller
>[    1.300599] ehci-pci 0000:00:05.7: new USB bus registered, assigned bus number 1
>[    1.301516] ehci-pci 0000:00:05.7: irq 10, io mem 0xfc059000
>[    1.310263] ehci-pci 0000:00:05.7: USB 2.0 started, EHCI 1.00
>[    1.313245] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>[    1.314826] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    1.315954] usb usb1: Product: EHCI Host Controller
>[    1.316308] usb usb1: Manufacturer: Linux 3.14.0-0.rc1.git3.1.fc21.x86_64 ehci_hcd
>[    1.316877] usb usb1: SerialNumber: 0000:00:05.7
>[    1.318057] hub 1-0:1.0: USB hub found
>[    1.318454] hub 1-0:1.0: 6 ports detected
>[    1.319872] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>[    1.320296] ohci-pci: OHCI PCI platform driver
>[    1.320656] uhci_hcd: USB Universal Host Controller Interface driver
>[    1.323137] uhci_hcd 0000:00:05.0: UHCI Host Controller
>[    1.323738] uhci_hcd 0000:00:05.0: new USB bus registered, assigned bus number 2
>[    1.324360] uhci_hcd 0000:00:05.0: detected 2 ports
>[    1.324742] uhci_hcd 0000:00:05.0: irq 10, io base 0x0000c140
>[    1.325398] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
>[    1.325798] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    1.326457] usb usb2: Product: UHCI Host Controller
>[    1.326802] usb usb2: Manufacturer: Linux 3.14.0-0.rc1.git3.1.fc21.x86_64 uhci_hcd
>[    1.327463] usb usb2: SerialNumber: 0000:00:05.0
>[    1.328293] hub 2-0:1.0: USB hub found
>[    1.328713] hub 2-0:1.0: 2 ports detected
>[    1.331720] uhci_hcd 0000:00:05.1: UHCI Host Controller
>[    1.332303] uhci_hcd 0000:00:05.1: new USB bus registered, assigned bus number 3
>[    1.332994] uhci_hcd 0000:00:05.1: detected 2 ports
>[    1.333435] uhci_hcd 0000:00:05.1: irq 11, io base 0x0000c160
>[    1.334061] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
>[    1.338981] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    1.339668] usb usb3: Product: UHCI Host Controller
>[    1.340024] usb usb3: Manufacturer: Linux 3.14.0-0.rc1.git3.1.fc21.x86_64 uhci_hcd
>[    1.340661] usb usb3: SerialNumber: 0000:00:05.1
>[    1.341526] hub 3-0:1.0: USB hub found
>[    1.341911] hub 3-0:1.0: 2 ports detected
>[    1.345181] uhci_hcd 0000:00:05.2: UHCI Host Controller
>[    1.345984] uhci_hcd 0000:00:05.2: new USB bus registered, assigned bus number 4
>[    1.347036] uhci_hcd 0000:00:05.2: detected 2 ports
>[    1.347767] uhci_hcd 0000:00:05.2: irq 11, io base 0x0000c180
>[    1.348633] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
>[    1.349231] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>[    1.353488] usb usb4: Product: UHCI Host Controller
>[    1.354029] usb usb4: Manufacturer: Linux 3.14.0-0.rc1.git3.1.fc21.x86_64 uhci_hcd
>[    1.354889] usb usb4: SerialNumber: 0000:00:05.2
>[    1.355968] hub 4-0:1.0: USB hub found
>[    1.356360] hub 4-0:1.0: 2 ports detected
>[    1.357283] usbcore: registered new interface driver usbserial
>[    1.357666] usbcore: registered new interface driver usbserial_generic
>[    1.358255] usbserial: USB Serial support registered for generic
>[    1.358712] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
>[    1.360292] serio: i8042 KBD port at 0x60,0x64 irq 1
>[    1.360732] serio: i8042 AUX port at 0x60,0x64 irq 12
>[    1.361628] mousedev: PS/2 mouse device common for all mice
>[    1.363117] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
>[    1.363497] rtc_cmos 00:00: RTC can wake from S4
>[    1.364792] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
>[    1.365810] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
>[    1.367071] device-mapper: uevent: version 1.0.3
>[    1.368169] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com
>[    1.373247] hidraw: raw HID events driver (C) Jiri Kosina
>[    1.374022] usbcore: registered new interface driver usbhid
>[    1.374366] usbhid: USB HID core driver
>[    1.374872] drop_monitor: Initializing network drop monitor service
>[    1.375768] ip_tables: (C) 2000-2006 Netfilter Core Team
>[    1.376531] TCP: cubic registered
>[    1.377169] Initializing XFRM netlink socket
>[    1.378552] NET: Registered protocol family 10
>[    1.379977] mip6: Mobile IPv6
>[    1.380573] NET: Registered protocol family 17
>[    1.383569] Loading compiled-in X.509 certificates
>[    1.385524] Loaded X.509 cert 'Fedora kernel signing key: e02bde9cefded747ec4702f5770293fac9d8f5a6'
>[    1.386401] registered taskstats version 1
>[    1.388612]   Magic number: 2:947:680
>[    1.389578] rtc_cmos 00:00: setting system clock to 2014-02-09 11:39:22 UTC (1391945962)
>[    1.390621] PM: Hibernation image not present or could not be loaded.
>[    1.450140] ata7.01: NODEV after polling detection
>[    1.451093] ata7.00: ATAPI: QEMU DVD-ROM, 1.6.1, max UDMA/100
>[    1.454580] ata7.00: configured for MWDMA2
>[    1.595531] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>[    1.597815] ata1.00: ATA-7: QEMU HARDDISK, 1.6.1, max UDMA/100
>[    1.599382] ata1.00: 16777216 sectors, multi 16: LBA48 NCQ (depth 31/32)
>[    1.600913] ata1.00: applying bridge limits
>[    1.602630] ata1.00: configured for UDMA/100
>[    1.604393] ata6: SATA link down (SStatus 0 SControl 300)
>[    1.605804] ata4: SATA link down (SStatus 0 SControl 300)
>[    1.607524] ata2: SATA link down (SStatus 0 SControl 300)
>[    1.609487] ata3: SATA link down (SStatus 0 SControl 300)
>[    1.611388] ata5: SATA link down (SStatus 0 SControl 300)
>[    1.616731] scsi 0:0:0:0: Direct-Access     ATA      QEMU HARDDISK    1.6. PQ: 0 ANSI: 5
>[    1.618257] sd 0:0:0:0: [sda] 16777216 512-byte logical blocks: (8.58 GB/8.00 GiB)
>[    1.619169] sd 0:0:0:0: [sda] Write Protect is off
>[    1.619529] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
>[    1.619643] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>[    1.621329] usb 1-1: new high-speed USB device number 2 using ehci-pci
>[    1.623816] sd 0:0:0:0: Attached scsi generic sg0 type 0
>[    1.625060]  sda: unknown partition table
>[    1.626623] sd 0:0:0:0: [sda] Attached SCSI disk
>[    1.626865] scsi 6:0:0:0: CD-ROM            QEMU     QEMU DVD-ROM     1.6. PQ: 0 ANSI: 5
>[    1.627874] sr0: scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray
>[    1.627876] cdrom: Uniform CD-ROM driver Revision: 3.20
>[    1.628674] sr 6:0:0:0: Attached scsi CD-ROM sr0
>[    1.629131] sr 6:0:0:0: Attached scsi generic sg1 type 5
>[    1.635349] Freeing unused kernel memory: 3700K (ffffffff81d93000 - ffffffff82130000)
>[    1.635927] Write protecting the kernel read-only data: 12288k
>[    1.637160] Freeing unused kernel memory: 88K (ffff8800017ea000 - ffff880001800000)
>[    1.640122] Freeing unused kernel memory: 800K (ffff880001b38000 - ffff880001c00000)
>[    1.657497] systemd[1]: systemd 208 running in system mode. (+PAM +LIBWRAP +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ)
>[    1.658297] systemd[1]: Detected virtualization 'kvm'.
>[    1.658648] systemd[1]: Running in initial RAM disk.
>[    1.663605] systemd[1]: No hostname configured.
>[    1.665102] systemd[1]: Set hostname to <localhost>.
>[    1.665927] systemd[1]: Initializing machine ID from KVM UUID.
>[    1.670661] random: systemd urandom read with 28 bits of entropy available
>[    1.719508] dracut-rootfs-g (75) used greatest stack depth: 5176 bytes left
>[    1.728831] systemd[1]: Starting -.slice.
>[    1.731502] systemd[1]: Created slice -.slice.
>[    1.731929] systemd[1]: Starting System Slice.
>[    1.734293] systemd[1]: Created slice System Slice.
>[    1.734725] systemd[1]: Starting Slices.
>[    1.736049] systemd[1]: Reached target Slices.
>[    1.736377] systemd[1]: Starting Timers.
>[    1.737568] systemd[1]: Reached target Timers.
>[    1.737896] systemd[1]: Starting Encrypted Volumes.
>[    1.739060] systemd[1]: Reached target Encrypted Volumes.
>[    1.739407] systemd[1]: Starting Journal Socket.
>[    1.740794] systemd[1]: Listening on Journal Socket.
>[    1.741486] systemd[1]: Starting dracut cmdline hook...
>[    1.743753] systemd[1]: Starting Setup Virtual Console...
>[    1.748338] systemd[1]: Starting Journal Service...
>[    1.751648] systemd[1]: Started Journal Service.
>[    1.754170] usb 1-1: New USB device found, idVendor=0627, idProduct=0001
>[    1.754553] usb 1-1: New USB device strings: Mfr=1, Product=3, SerialNumber=5
>[    1.754927] usb 1-1: Product: QEMU USB Tablet
>[    1.755611] usb 1-1: Manufacturer: QEMU
>[    1.756126] usb 1-1: SerialNumber: 42
>[    1.770428] input: QEMU QEMU USB Tablet as /devices/pci0000:00/0000:00:05.7/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4
>[    1.772206] hid-generic 0003:0627:0001.0001: input,hidraw0: USB HID v0.01 Pointer [QEMU QEMU USB Tablet] on usb-0000:00:05.7-1/input0
>[    1.789880] systemd-journald[93]: Vacuuming done, freed 0 bytes
>[    1.917574] loop: module loaded
>[    1.919108] modprobe (152) used greatest stack depth: 5104 bytes left
>[    2.219097] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3
>[    2.275816] RPC: Registered named UNIX socket transport module.
>[    2.276254] RPC: Registered udp transport module.
>[    2.276579] RPC: Registered tcp transport module.
>[    2.276899] RPC: Registered tcp NFSv4.1 backchannel transport module.
>[    2.277853] modprobe (247) used greatest stack depth: 5016 bytes left
>[    2.371275] rpc.statd (256) used greatest stack depth: 4968 bytes left
>[    2.469233] systemd-udevd[284]: starting version 208
>[    2.881713] [drm] Initialized drm 1.1.0 20060810
>[    2.900328] sym0: <895a> rev 0x0 at pci 0000:00:07.0 irq 11
>[    2.903814] sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking
>[    2.907016] sym0: SCSI BUS has been reset.
>[    2.914925] scsi8 : sym-2.2.3
>[    2.944390] [drm] Device Version 0.0
>[    2.944821] [drm] Compression level 0 log level 0
>[    2.945198] [drm] Currently using mode #0, list at 0x488
>[    2.945585] [drm] 12286 io pages at offset 0x1000000
>[    2.945953] [drm] 16777216 byte draw area at offset 0x0
>[    2.946416] [drm] RAM header offset: 0x3ffe000
>[    2.946772] [drm] rom modes offset 0x488 for 128 modes
>[    2.948518] [TTM] Zone  kernel: Available graphics memory: 1016370 kiB
>[    2.948946] [TTM] Initializing pool allocator
>[    2.949518] [TTM] Initializing DMA pool allocator
>[    2.950215] [drm] qxl: 16M of VRAM memory size
>[    2.950630] [drm] qxl: 63M of IO pages memory ready (VRAM domain)
>[    2.951127] [drm] qxl: 64M of Surface memory size
>[    2.979597] sym0: unknown interrupt(s) ignored, ISTAT=0x1 DSTAT=0x80 SIST=0x0
>[    2.986153] [drm] main mem slot 1 [f4000000,3ffe000]
>[    2.986736] [drm] surface mem slot 2 [f8000000,4000000]
>[    2.998788] [drm] fb mappable at 0xF4000000, size 3145728
>[    2.999279] [drm] fb: depth 24, pitch 4096, width 1024, height 768
>[    3.002239] fbcon: qxldrmfb (fb0) is primary device
>[    3.011780] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011810] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011812] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011814] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011819] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011821] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011822] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011824] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011826] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011827] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011829] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011830] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.011832] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[    3.033469] Console: switching to colour frame buffer device 128x48
>[    3.045876] cdrom_id (391) used greatest stack depth: 4120 bytes left
>[    3.052171] qxl 0000:00:02.0: fb0: qxldrmfb frame buffer device
>[    3.052179] qxl 0000:00:02.0: registered panic notifier
>[    3.052683] [drm] Initialized qxl 0.1.0 20120117 for 0000:00:02.0 on minor 0
>[    3.090902] virtio-pci 0000:00:03.0: irq 41 for MSI/MSI-X
>[    3.090930] virtio-pci 0000:00:03.0: irq 42 for MSI/MSI-X
>[    3.090955] virtio-pci 0000:00:03.0: irq 43 for MSI/MSI-X
>[    6.068603] squashfs: version 4.0 (2009/01/31) Phillip Lougher
>[    6.106041] ISO 9660 Extensions: Microsoft Joliet Level 3
>[    6.111857] ISO 9660 Extensions: RRIP_1991A
>[    6.281624] bio: create slab <bio-1> at 1
>[    6.322600] bio: create slab <bio-2> at 2
>[    6.558102] random: nonblocking pool is initialized
>[    6.754181] EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null)
>[    7.102611] systemd-udevd (358) used greatest stack depth: 1976 bytes left
>[    7.170471] systemd-journald[93]: Received SIGTERM
>[    7.809242] audit: type=1404 audit(1391945968.919:2): enforcing=1 old_enforcing=0 auid=4294967295 ses=4294967295
>[    7.972876] SELinux: 2048 avtab hash slots, 104718 rules.
>[    8.000539] SELinux: 2048 avtab hash slots, 104718 rules.
>[    8.046852] SELinux:  8 users, 100 roles, 4798 types, 274 bools, 1 sens, 1024 cats
>[    8.046858] SELinux:  83 classes, 104718 rules
>[    8.056427] SELinux:  Completing initialization.
>[    8.056433] SELinux:  Setting up existing superblocks.
>[    8.056588] SELinux: initialized (dev rootfs, type rootfs), uses genfs_contexts
>[    8.056687] SELinux: initialized (dev bdev, type bdev), uses genfs_contexts
>[    8.056721] SELinux: initialized (dev proc, type proc), uses genfs_contexts
>[    8.056933] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[    8.057406] SELinux: initialized (dev devtmpfs, type devtmpfs), uses transition SIDs
>[    8.058538] SELinux: initialized (dev debugfs, type debugfs), uses genfs_contexts
>[    8.069514] SELinux: initialized (dev sockfs, type sockfs), uses task SIDs
>[    8.069570] SELinux: initialized (dev pipefs, type pipefs), uses task SIDs
>[    8.069631] SELinux: initialized (dev anon_inodefs, type anon_inodefs), uses genfs_contexts
>[    8.069683] SELinux: initialized (dev aio, type aio), not configured for labeling
>[    8.069719] SELinux: initialized (dev devpts, type devpts), uses transition SIDs
>[    8.069833] SELinux: initialized (dev hugetlbfs, type hugetlbfs), uses transition SIDs
>[    8.069912] SELinux: initialized (dev mqueue, type mqueue), uses transition SIDs
>[    8.069975] SELinux: initialized (dev selinuxfs, type selinuxfs), uses genfs_contexts
>[    8.070123] SELinux: initialized (dev sysfs, type sysfs), uses genfs_contexts
>[    8.073365] SELinux: initialized (dev securityfs, type securityfs), uses genfs_contexts
>[    8.073387] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[    8.073407] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[    8.073587] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[    8.073692] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073787] SELinux: initialized (dev pstore, type pstore), uses genfs_contexts
>[    8.073807] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073845] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073876] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073938] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073959] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073976] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.073993] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.074093] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.074109] SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>[    8.074211] SELinux: initialized (dev rpc_pipefs, type rpc_pipefs), uses genfs_contexts
>[    8.074292] SELinux: initialized (dev configfs, type configfs), uses genfs_contexts
>[    8.074360] SELinux: initialized (dev sr0, type iso9660), uses genfs_contexts
>[    8.074437] SELinux: initialized (dev loop0, type squashfs), uses xattr
>[    8.074719] SELinux: initialized (dev loop2, type squashfs), uses xattr
>[    8.074814] SELinux: initialized (dev dm-0, type ext4), uses xattr
>[    8.104931] audit: type=1403 audit(1391945969.214:3): policy loaded auid=4294967295 ses=4294967295
>[    8.116291] systemd[1]: Successfully loaded SELinux policy in 317.275ms.
>[    8.299270] systemd[1]: Relabelled /dev and /run in 60.253ms.
>[   10.488166] SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>[   10.592225] SELinux: initialized (dev hugetlbfs, type hugetlbfs), uses transition SIDs
>[   10.784353] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
>[   10.849945] SELinux: initialized (dev nfsd, type nfsd), uses genfs_contexts
>[   10.853103] EXT4-fs (dm-0): re-mounted. Opts: (null)
>[   10.853538] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[   11.319740] systemd-journald[653]: Vacuuming done, freed 0 bytes
>[   11.598851] systemd-udevd[670]: starting version 208
>[   12.160962] systemd-journald[653]: Received request to flush runtime journal from PID 1
>[   12.416650] audit: type=1305 audit(1391945973.526:4): audit_pid=692 old=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:auditd_t:s0 res=1
>[   12.432699] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0xb100, revision 0
>[   12.510837] parport_pc 00:04: reported by Plug and Play ACPI
>[   12.700808] virtio-pci 0000:00:06.0: irq 44 for MSI/MSI-X
>[   12.700833] virtio-pci 0000:00:06.0: irq 45 for MSI/MSI-X
>[   12.912213] snd_hda_intel 0000:00:04.0: irq 46 for MSI/MSI-X
>[   12.953560] hda-codec: No codec parser is available
>[   12.972906] microcode: AMD CPU family 0xf not supported
>[   13.410494] has_svm: can't execute cpuid_8000000a
>[   13.410495] kvm: no hardware support
>[   13.722810] powernow-k8: Power state transitions not supported
>[   13.722816] powernow-k8: Power state transitions not supported
>[   14.909484] ppdev: user-space parallel port driver
>[   14.929187] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[   14.953429] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[   19.324768] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
>[   19.476520] ip6_tables: (C) 2000-2006 Netfilter Core Team
>[   19.681495] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[   19.681520] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[   19.681523] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[   19.681526] [drm:qxl_send_monitors_config] *ERROR* head 4 wrong: 1824x1858+1903+8259439
>[   20.012942] Ebtables v2.0 registered
>[   20.291445] Bridge firewalling registered
>[   21.761963] cfg80211: Calling CRDA to update world regulatory domain
>[   21.776229] cfg80211: World regulatory domain updated:
>[   21.776235] cfg80211:  DFS Master region: unset
>[   21.776236] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
>[   21.776238] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm)
>[   21.776240] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
>[   21.776241] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm)
>[   21.776243] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 2000 mBm)
>[   21.776244] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm)
>[   21.776245] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm)
>[   25.993567] input: spice vdagent tablet as /devices/virtual/input/input5
>[   90.081688] md: raid0 personality registered for level 0
>[   90.099873] md: raid1 personality registered for level 1
>[   90.111860] async_tx: api initialized (async)
>[   90.127204] xor: measuring software checksum speed
>[   90.137058]    prefetch64-sse: 12828.000 MB/sec
>[   90.147057]    generic_sse: 12160.000 MB/sec
>[   90.147059] xor: using function: prefetch64-sse (12828.000 MB/sec)
>[   90.195062] raid6: sse2x1    3113 MB/s
>[   90.212116] raid6: sse2x2    6777 MB/s
>[   90.229112] raid6: sse2x4    7207 MB/s
>[   90.229114] raid6: using algorithm sse2x4 (7207 MB/s)
>[   90.229115] raid6: using intx1 recovery algorithm
>[   90.248999] md: raid6 personality registered for level 6
>[   90.249051] md: raid5 personality registered for level 5
>[   90.249053] md: raid4 personality registered for level 4
>[   90.263528] md: raid10 personality registered for level 10
>[   90.295702] device-mapper: multipath: version 1.6.0 loaded
>[   90.302093] device-mapper: multipath round-robin: version 1.0.0 loaded
>[   90.395798] sha256_ssse3: Neither AVX nor SSSE3 is available/usable.
>[   90.452213] Loading iSCSI transport class v2.0-870.
>[   90.503801] iscsi: registered transport (tcp)
>[   90.525902] No iBFT detected.
>[  113.940520] sha256_ssse3: Neither AVX nor SSSE3 is available/usable.
>[  121.189438] EXT4-fs (dm-1): mounted filesystem with ordered data mode. Opts: (null)
>[  121.189500] SELinux: initialized (dev dm-1, type ext4), uses xattr
>[  146.072664] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>[  161.876907] bio: create slab <bio-3> at 3
>[  161.884256] Btrfs loaded
>[  162.294680] SGI XFS with ACLs, security attributes, large block/inode numbers, no debug enabled
>[  452.548729] BTRFS: device label fedora devid 1 transid 4 /dev/sda3
>[  452.782396] BTRFS: device label fedora devid 1 transid 4 /dev/sda3
>[  452.787859] BTRFS info (device sda3): disk space caching is enabled
>[  452.787863] BTRFS: flagging fs with big metadata feature
>[  452.798145] BTRFS: creating UUID tree
>[  452.877822] SELinux: initialized (dev sda3, type btrfs), uses xattr
>[  453.498466] BTRFS: device label fedora devid 1 transid 7 /dev/sda3
>[  453.501222] BTRFS info (device sda3): disk space caching is enabled
>[  453.508435] SELinux: initialized (dev sda3, type btrfs), uses xattr
>[  454.484264] Adding 838652k swap on /dev/sda2.  Priority:-1 extents:1 across:838652k FS
>[  454.595402] BTRFS: device label fedora devid 1 transid 9 /dev/sda3
>[  454.598225] BTRFS info (device sda3): disk space caching is enabled
>[  454.610919] SELinux: initialized (dev sda3, type btrfs), uses xattr
>[  454.671135] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
>[  454.671152] SELinux: initialized (dev sda1, type ext4), uses xattr
>[  454.805796] SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>[  454.843149] BTRFS: device label fedora devid 1 transid 9 /dev/sda3
>[  456.462913] ------------[ cut here ]------------
>[  456.462926] WARNING: CPU: 1 PID: 3772 at lib/dma-debug.c:491 add_dma_entry+0x127/0x130()
>[  456.462928] DMA-API: exceeded 7 overlapping mappings of pfn 2137
>[  456.462930] Modules linked in: xfs libcrc32c btrfs fcoe libfcoe libfc scsi_transport_fc scsi_tgt iscsi_ibft iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt vfat fat dm_round_robin dm_multipath raid10 raid456 async_raid6_recov async_memcpy async_pq raid6_pq async_xor xor async_tx raid1 raid0 uinput ip6t_rpfilter ip6t_REJECT xt_conntrack cfg80211 rfkill ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ppdev kvm joydev serio_raw snd_hda_intel virtio_console snd_hda_codec snd_hwdep snd_seq snd_seq_device
>[  456.462997]  snd_pcm parport_pc pvpanic snd_timer parport snd soundcore i2c_piix4 nfsd auth_rpcgss nfs_acl lockd isofs squashfs virtio_balloon virtio_net qxl sym53c8xx drm_kms_helper scsi_transport_spi ttm drm virtio_pci virtio_ring ata_generic i2c_core virtio pata_acpi sunrpc loop
>[  456.463039] CPU: 1 PID: 3772 Comm: ext4lazyinit Not tainted 3.14.0-0.rc1.git3.1.fc21.x86_64 #1
>[  456.463042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  456.463044]  0000000000000000 0000000084feec1b ffff88001c861898 ffffffff817cee9d
>[  456.463049]  ffff88001c8618e0 ffff88001c8618d0 ffffffff810967cd 0000000000002137
>[  456.463053]  ffff88007288d540 0000000000000096 ffffffff82d645c0 0000000000000096
>[  456.463056] Call Trace:
>[  456.463063]  [<ffffffff817cee9d>] dump_stack+0x4d/0x66
>[  456.463068]  [<ffffffff810967cd>] warn_slowpath_common+0x7d/0xa0
>[  456.463071]  [<ffffffff8109684c>] warn_slowpath_fmt+0x5c/0x80
>[  456.463075]  [<ffffffff813f373d>] ? active_pfn_read_overlap+0x2d/0x50
>[  456.463079]  [<ffffffff813f3d07>] add_dma_entry+0x127/0x130
>[  456.463082]  [<ffffffff813f43dd>] debug_dma_map_sg+0x13d/0x180
>[  456.463086]  [<ffffffff8153f0c1>] ata_qc_issue+0x281/0x3e0
>[  456.463090]  [<ffffffff81548395>] ata_scsi_queuecmd+0x135/0x420
>[  456.463094]  [<ffffffff81545150>] ? ata_scsi_invalid_field+0x40/0x40
>[  456.463098]  [<ffffffff8151b777>] scsi_dispatch_cmd+0xb7/0x4e0
>[  456.463101]  [<ffffffff81523bcc>] scsi_request_fn+0x33c/0x540
>[  456.463106]  [<ffffffff813956f3>] __blk_run_queue+0x33/0x40
>[  456.463109]  [<ffffffff8139b913>] blk_queue_bio+0x343/0x4d0
>[  456.463113]  [<ffffffff81395510>] generic_make_request+0xe0/0x130
>[  456.463116]  [<ffffffff813955d8>] submit_bio+0x78/0x160
>[  456.463121]  [<ffffffff81273628>] ? bio_alloc_bioset+0x1f8/0x2f0
>[  456.463125]  [<ffffffff813a311f>] __blkdev_issue_zeroout+0x1ff/0x260
>[  456.463129]  [<ffffffff813a3269>] blkdev_issue_zeroout+0xe9/0xf0
>[  456.463133]  [<ffffffff81303d9e>] ? __ext4_journal_get_write_access+0x4e/0x90
>[  456.463137]  [<ffffffff812ccc1c>] ext4_init_inode_table+0x17c/0x3c0
>[  456.463142]  [<ffffffff812e2039>] ? ext4_lazyinit_thread+0xb9/0x320
>[  456.463145]  [<ffffffff812e222d>] ext4_lazyinit_thread+0x2ad/0x320
>[  456.463149]  [<ffffffff812e1f80>] ? ext4_unregister_li_request+0x70/0x70
>[  456.463153]  [<ffffffff810c43ef>] kthread+0xff/0x120
>[  456.463156]  [<ffffffff810c42f0>] ? insert_kthread_work+0x80/0x80
>[  456.463160]  [<ffffffff817e2c3c>] ret_from_fork+0x7c/0xb0
>[  456.463163]  [<ffffffff810c42f0>] ? insert_kthread_work+0x80/0x80
>[  456.463165] ---[ end trace d1e41b42a5f51fa8 ]---
>
>[  488.067196] =========================================================
>[  488.067197] [ INFO: possible irq lock inversion dependency detected ]
>[  488.067200] 3.14.0-0.rc1.git3.1.fc21.x86_64 #1 Tainted: G        W   
>[  488.067202] ---------------------------------------------------------
>[  488.067204] kswapd0/30 just changed the state of lock:
>[  488.067205]  (&delayed_node->mutex){+.+.-.}, at: [<ffffffffa06899ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.067235] but this lock took another, RECLAIM_FS-unsafe lock in the past:
>[  488.067236]  (&found->groups_sem){+++++.}
>
>and interrupts could create inverse lock ordering between them.
>
>[  488.067240] 
>other info that might help us debug this:
>[  488.067242]  Possible interrupt unsafe locking scenario:
>
>[  488.067244]        CPU0                    CPU1
>[  488.067245]        ----                    ----
>[  488.067246]   lock(&found->groups_sem);
>[  488.067248]                                local_irq_disable();
>[  488.067249]                                lock(&delayed_node->mutex);
>[  488.067251]                                lock(&found->groups_sem);
>[  488.067253]   <Interrupt>
>[  488.067254]     lock(&delayed_node->mutex);
>[  488.067255] 
> *** DEADLOCK ***
>
>[  488.067258] 2 locks held by kswapd0/30:
>[  488.067259]  #0:  (shrinker_rwsem){++++..}, at: [<ffffffff811c45df>] shrink_slab+0x3f/0x180
>[  488.067266]  #1:  (&type->s_umount_key#50){+++++.}, at: [<ffffffff81236b94>] grab_super_passive+0x44/0x90
>[  488.067273] 
>the shortest dependencies between 2nd lock and 1st lock:
>[  488.067281]  -> (&found->groups_sem){+++++.} ops: 3957 {
>[  488.067285]     HARDIRQ-ON-W at:
>[  488.067287]                       [<ffffffff810f9499>] __lock_acquire+0x659/0x1c40
>[  488.067292]                       [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067294]                       [<ffffffff817d6dde>] down_write+0x4e/0xc0
>[  488.067298]                       [<ffffffffa062085b>] __link_block_group+0x3b/0xf0 [btrfs]
>[  488.067310]                       [<ffffffffa062273b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>[  488.067320]                       [<ffffffffa0631a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>[  488.067332]                       [<ffffffffa0604c5e>] btrfs_mount+0x63e/0x810 [btrfs]
>[  488.067340]                       [<ffffffff81237569>] mount_fs+0x39/0x1b0
>[  488.067343]                       [<ffffffff81257a0b>] vfs_kern_mount+0x6b/0x150
>[  488.067346]                       [<ffffffff8125a8de>] do_mount+0x24e/0xbb0
>[  488.067348]                       [<ffffffff8125b586>] SyS_mount+0x96/0xf0
>[  488.067351]                       [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067354]     HARDIRQ-ON-R at:
>[  488.067356]                       [<ffffffff810f9380>] __lock_acquire+0x540/0x1c40
>[  488.067358]                       [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067361]                       [<ffffffff817d6d41>] down_read+0x51/0xa0
>[  488.067363]                       [<ffffffffa062cfed>] btrfs_calc_num_tolerated_disk_barrier_failures+0x1cd/0x350 [btrfs]
>[  488.067374]                       [<ffffffffa0631a97>] open_ctree+0x1817/0x21e0 [btrfs]
>[  488.067386]                       [<ffffffffa0604c5e>] btrfs_mount+0x63e/0x810 [btrfs]
>[  488.067394]                       [<ffffffff81237569>] mount_fs+0x39/0x1b0
>[  488.067397]                       [<ffffffff81257a0b>] vfs_kern_mount+0x6b/0x150
>[  488.067399]                       [<ffffffff8125a8de>] do_mount+0x24e/0xbb0
>[  488.067401]                       [<ffffffff8125b586>] SyS_mount+0x96/0xf0
>[  488.067404]                       [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067406]     SOFTIRQ-ON-W at:
>[  488.067408]                       [<ffffffff810f94cf>] __lock_acquire+0x68f/0x1c40
>[  488.067410]                       [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067413]                       [<ffffffff817d6dde>] down_write+0x4e/0xc0
>[  488.067415]                       [<ffffffffa062085b>] __link_block_group+0x3b/0xf0 [btrfs]
>[  488.067425]                       [<ffffffffa062273b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>[  488.067435]                       [<ffffffffa0631a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>[  488.067446]                       [<ffffffffa0604c5e>] btrfs_mount+0x63e/0x810 [btrfs]
>[  488.067455]                       [<ffffffff81237569>] mount_fs+0x39/0x1b0
>[  488.067458]                       [<ffffffff81257a0b>] vfs_kern_mount+0x6b/0x150
>[  488.067460]                       [<ffffffff8125a8de>] do_mount+0x24e/0xbb0
>[  488.067462]                       [<ffffffff8125b586>] SyS_mount+0x96/0xf0
>[  488.067464]                       [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067467]     SOFTIRQ-ON-R at:
>[  488.067468]                       [<ffffffff810f94cf>] __lock_acquire+0x68f/0x1c40
>[  488.067471]                       [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067473]                       [<ffffffff817d6d41>] down_read+0x51/0xa0
>[  488.067476]                       [<ffffffffa062cfed>] btrfs_calc_num_tolerated_disk_barrier_failures+0x1cd/0x350 [btrfs]
>[  488.067487]                       [<ffffffffa0631a97>] open_ctree+0x1817/0x21e0 [btrfs]
>[  488.067502]                       [<ffffffffa0604c5e>] btrfs_mount+0x63e/0x810 [btrfs]
>[  488.067519]                       [<ffffffff81237569>] mount_fs+0x39/0x1b0
>[  488.067522]                       [<ffffffff81257a0b>] vfs_kern_mount+0x6b/0x150
>[  488.067524]                       [<ffffffff8125a8de>] do_mount+0x24e/0xbb0
>[  488.067526]                       [<ffffffff8125b586>] SyS_mount+0x96/0xf0
>[  488.067529]                       [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067531]     RECLAIM_FS-ON-W at:
>[  488.067533]                          [<ffffffff810f8839>] mark_held_locks+0xb9/0x140
>[  488.067536]                          [<ffffffff810fbc6a>] lockdep_trace_alloc+0x7a/0xe0
>[  488.067538]                          [<ffffffff8121192f>] __kmalloc_track_caller+0x4f/0x350
>[  488.067542]                          [<ffffffff813d7021>] kvasprintf+0x61/0xa0
>[  488.067545]                          [<ffffffff813c9801>] kobject_set_name_vargs+0x21/0x70
>[  488.067548]                          [<ffffffff813ca292>] kobject_add+0x62/0xd0
>[  488.067551]                          [<ffffffffa06208e4>] __link_block_group+0xc4/0xf0 [btrfs]
>[  488.067561]                          [<ffffffffa062273b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>[  488.067571]                          [<ffffffffa0631a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>[  488.067582]                          [<ffffffffa0604c5e>] btrfs_mount+0x63e/0x810 [btrfs]
>[  488.067591]                          [<ffffffff81237569>] mount_fs+0x39/0x1b0
>[  488.067594]                          [<ffffffff81257a0b>] vfs_kern_mount+0x6b/0x150
>[  488.067596]                          [<ffffffff8125a8de>] do_mount+0x24e/0xbb0
>[  488.067598]                          [<ffffffff8125b586>] SyS_mount+0x96/0xf0
>[  488.067600]                          [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067603]     INITIAL USE at:
>[  488.067604]                      [<ffffffff810f9187>] __lock_acquire+0x347/0x1c40
>[  488.067607]                      [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067609]                      [<ffffffff817d6dde>] down_write+0x4e/0xc0
>[  488.067612]                      [<ffffffffa062085b>] __link_block_group+0x3b/0xf0 [btrfs]
>[  488.067622]                      [<ffffffffa062273b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>[  488.067632]                      [<ffffffffa0631a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>[  488.067643]                      [<ffffffffa0604c5e>] btrfs_mount+0x63e/0x810 [btrfs]
>[  488.067652]                      [<ffffffff81237569>] mount_fs+0x39/0x1b0
>[  488.067654]                      [<ffffffff81257a0b>] vfs_kern_mount+0x6b/0x150
>[  488.067657]                      [<ffffffff8125a8de>] do_mount+0x24e/0xbb0
>[  488.067659]                      [<ffffffff8125b586>] SyS_mount+0x96/0xf0
>[  488.067662]                      [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067664]   }
>[  488.067666]   ... key      at: [<ffffffffa06c57e0>] __key.42530+0x0/0xfffffffffffe5820 [btrfs]
>[  488.067676]   ... acquired at:
>[  488.067677]    [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067680]    [<ffffffff817d6d41>] down_read+0x51/0xa0
>[  488.067682]    [<ffffffffa062019b>] find_free_extent+0x80b/0xe90 [btrfs]
>[  488.067692]    [<ffffffffa06209d8>] btrfs_reserve_extent+0xa8/0x140 [btrfs]
>[  488.067702]    [<ffffffffa0620cee>] btrfs_alloc_free_block+0xfe/0x480 [btrfs]
>[  488.067712]    [<ffffffffa060dea5>] split_leaf+0x1b5/0x760 [btrfs]
>[  488.067721]    [<ffffffffa060ee00>] btrfs_search_slot+0x9b0/0xa30 [btrfs]
>[  488.067730]    [<ffffffffa06107e0>] btrfs_insert_empty_items+0x70/0xc0 [btrfs]
>[  488.067740]    [<ffffffffa068a020>] btrfs_insert_delayed_items+0x90/0x450 [btrfs]
>[  488.067753]    [<ffffffffa068aca7>] btrfs_async_run_delayed_root+0xf7/0x200 [btrfs]
>[  488.067766]    [<ffffffffa0665490>] worker_loop+0x150/0x5b0 [btrfs]
>[  488.067779]    [<ffffffff810c43ef>] kthread+0xff/0x120
>[  488.067782]    [<ffffffff817e2c3c>] ret_from_fork+0x7c/0xb0
>
>[  488.067786] -> (&delayed_node->mutex){+.+.-.} ops: 243236 {
>[  488.067790]    HARDIRQ-ON-W at:
>[  488.067791]                     [<ffffffff810f9499>] __lock_acquire+0x659/0x1c40
>[  488.067794]                     [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067796]                     [<ffffffff817d45f7>] mutex_lock_nested+0x87/0x430
>[  488.067799]                     [<ffffffffa068bd35>] btrfs_delayed_update_inode+0x45/0x700 [btrfs]
>[  488.067812]                     [<ffffffffa063a91c>] btrfs_update_inode+0x5c/0xd0 [btrfs]
>[  488.067825]                     [<ffffffffa06442df>] btrfs_create_subvol_root+0xcf/0x130 [btrfs]
>[  488.067837]                     [<ffffffffa06aa1f0>] create_subvol+0x3f2/0x61b [btrfs]
>[  488.067849]                     [<ffffffffa06692bb>] btrfs_mksubvol.isra.32+0x28b/0x470 [btrfs]
>[  488.067861]                     [<ffffffffa06695dd>] btrfs_ioctl_snap_create_transid+0x13d/0x1c0 [btrfs]
>[  488.067874]                     [<ffffffffa06696b7>] btrfs_ioctl_snap_create+0x57/0x70 [btrfs]
>[  488.067887]                     [<ffffffffa066bc21>] btrfs_ioctl+0x571/0x2e10 [btrfs]
>[  488.067901]                     [<ffffffff81248950>] do_vfs_ioctl+0x300/0x520
>[  488.067905]                     [<ffffffff81248c11>] SyS_ioctl+0xa1/0xc0
>[  488.067907]                     [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.067910]    SOFTIRQ-ON-W at:
>[  488.067911]                     [<ffffffff810f94cf>] __lock_acquire+0x68f/0x1c40
>[  488.067914]                     [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.067917]                     [<ffffffff817d45f7>] mutex_lock_nested+0x87/0x430
>[  488.067919]                     [<ffffffffa068bd35>] btrfs_delayed_update_inode+0x45/0x700 [btrfs]
>[  488.067932]                     [<ffffffffa063a91c>] btrfs_update_inode+0x5c/0xd0 [btrfs]
>[  488.067944]                     [<ffffffffa06442df>] btrfs_create_subvol_root+0xcf/0x130 [btrfs]
>[  488.067956]                     [<ffffffffa06aa1f0>] create_subvol+0x3f2/0x61b [btrfs]
>[  488.067968]                     [<ffffffffa06692bb>] btrfs_mksubvol.isra.32+0x28b/0x470 [btrfs]
>[  488.067981]                     [<ffffffffa06695dd>] btrfs_ioctl_snap_create_transid+0x13d/0x1c0 [btrfs]
>[  488.067994]                     [<ffffffffa06696b7>] btrfs_ioctl_snap_create+0x57/0x70 [btrfs]
>[  488.068010]                     [<ffffffffa066bc21>] btrfs_ioctl+0x571/0x2e10 [btrfs]
>[  488.068014]                     [<ffffffff81248950>] do_vfs_ioctl+0x300/0x520
>[  488.068014]                     [<ffffffff81248c11>] SyS_ioctl+0xa1/0xc0
>[  488.068014]                     [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.068014]    IN-RECLAIM_FS-W at:
>[  488.068014]                        [<ffffffff810f93f4>] __lock_acquire+0x5b4/0x1c40
>[  488.068014]                        [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.068014]                        [<ffffffff817d45f7>] mutex_lock_nested+0x87/0x430
>[  488.068014]                        [<ffffffffa06899ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.068014]                        [<ffffffffa068b2a4>] btrfs_remove_delayed_node+0x24/0x30 [btrfs]
>[  488.068014]                        [<ffffffffa063feee>] btrfs_evict_inode+0x1ae/0x5d0 [btrfs]
>[  488.068014]                        [<ffffffff81252673>] evict+0xa3/0x1a0
>[  488.068014]                        [<ffffffff812527ae>] dispose_list+0x3e/0x50
>[  488.068014]                        [<ffffffff812537c6>] prune_icache_sb+0x56/0x80
>[  488.068014]                        [<ffffffff81236df8>] super_cache_scan+0x108/0x180
>[  488.068014]                        [<ffffffff811c427b>] shrink_slab_node+0x14b/0x440
>[  488.068014]                        [<ffffffff811c462e>] shrink_slab+0x8e/0x180
>[  488.068014]                        [<ffffffff811c747d>] kswapd_shrink_zone+0x14d/0x1f0
>[  488.068014]                        [<ffffffff811c9060>] kswapd+0x4b0/0xa60
>[  488.068014]                        [<ffffffff810c43ef>] kthread+0xff/0x120
>[  488.068014]                        [<ffffffff817e2c3c>] ret_from_fork+0x7c/0xb0
>[  488.068014]    INITIAL USE at:
>[  488.068014]                    [<ffffffff810f9187>] __lock_acquire+0x347/0x1c40
>[  488.068014]                    [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.068014]                    [<ffffffff817d45f7>] mutex_lock_nested+0x87/0x430
>[  488.068014]                    [<ffffffffa068bd35>] btrfs_delayed_update_inode+0x45/0x700 [btrfs]
>[  488.068014]                    [<ffffffffa063a91c>] btrfs_update_inode+0x5c/0xd0 [btrfs]
>[  488.068014]                    [<ffffffffa06442df>] btrfs_create_subvol_root+0xcf/0x130 [btrfs]
>[  488.068014]                    [<ffffffffa06aa1f0>] create_subvol+0x3f2/0x61b [btrfs]
>[  488.068014]                    [<ffffffffa06692bb>] btrfs_mksubvol.isra.32+0x28b/0x470 [btrfs]
>[  488.068014]                    [<ffffffffa06695dd>] btrfs_ioctl_snap_create_transid+0x13d/0x1c0 [btrfs]
>[  488.068014]                    [<ffffffffa06696b7>] btrfs_ioctl_snap_create+0x57/0x70 [btrfs]
>[  488.068014]                    [<ffffffffa066bc21>] btrfs_ioctl+0x571/0x2e10 [btrfs]
>[  488.068014]                    [<ffffffff81248950>] do_vfs_ioctl+0x300/0x520
>[  488.068014]                    [<ffffffff81248c11>] SyS_ioctl+0xa1/0xc0
>[  488.068014]                    [<ffffffff817e2ce9>] system_call_fastpath+0x16/0x1b
>[  488.068014]  }
>[  488.068014]  ... key      at: [<ffffffffa06c9738>] __key.37535+0x0/0xfffffffffffe18c8 [btrfs]
>[  488.068014]  ... acquired at:
>[  488.068014]    [<ffffffff810f7e0a>] check_usage_forwards+0x16a/0x180
>[  488.068014]    [<ffffffff810f8677>] mark_lock+0x1a7/0x2b0
>[  488.068014]    [<ffffffff810f93f4>] __lock_acquire+0x5b4/0x1c40
>[  488.068014]    [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.068014]    [<ffffffff817d45f7>] mutex_lock_nested+0x87/0x430
>[  488.068014]    [<ffffffffa06899ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.068014]    [<ffffffffa068b2a4>] btrfs_remove_delayed_node+0x24/0x30 [btrfs]
>[  488.068014]    [<ffffffffa063feee>] btrfs_evict_inode+0x1ae/0x5d0 [btrfs]
>[  488.068014]    [<ffffffff81252673>] evict+0xa3/0x1a0
>[  488.068014]    [<ffffffff812527ae>] dispose_list+0x3e/0x50
>[  488.068014]    [<ffffffff812537c6>] prune_icache_sb+0x56/0x80
>[  488.068014]    [<ffffffff81236df8>] super_cache_scan+0x108/0x180
>[  488.068014]    [<ffffffff811c427b>] shrink_slab_node+0x14b/0x440
>[  488.068014]    [<ffffffff811c462e>] shrink_slab+0x8e/0x180
>[  488.068014]    [<ffffffff811c747d>] kswapd_shrink_zone+0x14d/0x1f0
>[  488.068014]    [<ffffffff811c9060>] kswapd+0x4b0/0xa60
>[  488.068014]    [<ffffffff810c43ef>] kthread+0xff/0x120
>[  488.068014]    [<ffffffff817e2c3c>] ret_from_fork+0x7c/0xb0
>
>[  488.068014] 
>stack backtrace:
>[  488.068014] CPU: 0 PID: 30 Comm: kswapd0 Tainted: G        W    3.14.0-0.rc1.git3.1.fc21.x86_64 #1
>[  488.068014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
>[  488.068014]  0000000000000000 0000000089d6cad6 ffff88007f0bd718 ffffffff817cee9d
>[  488.068014]  ffffffff82a1e4c0 ffff88007f0bd758 ffffffff817ca536 ffffffff81a4d7ac
>[  488.068014]  0000000000000000 ffff88007f0c8ba0 ffff88007f0c8000 ffffffff81a4d7ac
>[  488.068014] Call Trace:
>[  488.068014]  [<ffffffff817cee9d>] dump_stack+0x4d/0x66
>[  488.068014]  [<ffffffff817ca536>] print_irq_inversion_bug.part.42+0x1ac/0x1b8
>[  488.068014]  [<ffffffff810f7e0a>] check_usage_forwards+0x16a/0x180
>[  488.068014]  [<ffffffff810f7ca0>] ? check_usage_backwards+0x180/0x180
>[  488.068014]  [<ffffffff810f8677>] mark_lock+0x1a7/0x2b0
>[  488.068014]  [<ffffffff810f93f4>] __lock_acquire+0x5b4/0x1c40
>[  488.068014]  [<ffffffff810f8839>] ? mark_held_locks+0xb9/0x140
>[  488.068014]  [<ffffffff817d80fc>] ? _raw_spin_unlock_irq+0x2c/0x40
>[  488.068014]  [<ffffffff810f8a9d>] ? trace_hardirqs_on+0xd/0x10
>[  488.068014]  [<ffffffff817d80fc>] ? _raw_spin_unlock_irq+0x2c/0x40
>[  488.068014]  [<ffffffff810cef0d>] ? finish_task_switch+0x7d/0x130
>[  488.068014]  [<ffffffff810ceecf>] ? finish_task_switch+0x3f/0x130
>[  488.068014]  [<ffffffff810fb272>] lock_acquire+0xa2/0x1d0
>[  488.068014]  [<ffffffffa06899ad>] ? __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.068014]  [<ffffffff817d45f7>] mutex_lock_nested+0x87/0x430
>[  488.068014]  [<ffffffffa06899ad>] ? __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.068014]  [<ffffffff810dd28d>] ? sched_clock_local+0x1d/0x80
>[  488.068014]  [<ffffffffa06899ad>] ? __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.068014]  [<ffffffffa063fec5>] ? btrfs_evict_inode+0x185/0x5d0 [btrfs]
>[  488.068014]  [<ffffffff810dd4d8>] ? sched_clock_cpu+0xa8/0xd0
>[  488.068014]  [<ffffffff810dd556>] ? local_clock+0x16/0x30
>[  488.068014]  [<ffffffffa06899ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>[  488.068014]  [<ffffffffa068b2a4>] btrfs_remove_delayed_node+0x24/0x30 [btrfs]
>[  488.068014]  [<ffffffffa063feee>] btrfs_evict_inode+0x1ae/0x5d0 [btrfs]
>[  488.068014]  [<ffffffff81252673>] evict+0xa3/0x1a0
>[  488.068014]  [<ffffffff812527ae>] dispose_list+0x3e/0x50
>[  488.068014]  [<ffffffff812537c6>] prune_icache_sb+0x56/0x80
>[  488.068014]  [<ffffffff81236df8>] super_cache_scan+0x108/0x180
>[  488.068014]  [<ffffffff811c427b>] shrink_slab_node+0x14b/0x440
>[  488.068014]  [<ffffffff811c45df>] ? shrink_slab+0x3f/0x180
>[  488.068014]  [<ffffffff811c462e>] shrink_slab+0x8e/0x180
>[  488.068014]  [<ffffffff811c747d>] kswapd_shrink_zone+0x14d/0x1f0
>[  488.068014]  [<ffffffff811c9060>] kswapd+0x4b0/0xa60
>[  488.068014]  [<ffffffff811c8bb0>] ? mem_cgroup_shrink_node_zone+0x2f0/0x2f0
>[  488.068014]  [<ffffffff810c43ef>] kthread+0xff/0x120
>[  488.068014]  [<ffffffff810c42f0>] ? insert_kthread_work+0x80/0x80
>[  488.068014]  [<ffffffff817e2c3c>] ret_from_fork+0x7c/0xb0
>[  488.068014]  [<ffffffff810c42f0>] ? insert_kthread_work+0x80/0x80
>
>

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Attachments on bug 1062439: 860383 | 860783 | 860784 | 861122 | 861227 | 861651 | 862118 | 865118