Attachment 860383 Details for Bug 1062439 – Full dmesg

Full dmesg

dmesg-3.14.0-0.rc1.git1.1.fc21.x86_64-irq-lock-BTRFS.txt (text/plain), 48.58 KB, created by poma on 2014-02-07 07:00:06 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: poma

Created: 2014-02-07 07:00:06 UTC

Size: 48.58 KB

patch

obsolete

>Initializing cgroup subsys cpuset
>Initializing cgroup subsys cpu
>Initializing cgroup subsys cpuacct
>Linux version 3.14.0-0.rc1.git1.1.fc21.x86_64 (mockbuild@bkernel01.phx2.fedoraproject.org) (gcc version 4.8.2 20140120 (Red Hat 4.8.2-14) (GCC) ) #1 SMP Wed Feb 5 14:25:30 UTC 2014
>Command line: initrd=initrd0.img root=live:CDLABEL=Fedora-Live-Xfce-x86_64-rawhide- rootfstype=auto ro rd.live.image rd.luks=0 rd.md=0 rd.dm=0  BOOT_IMAGE=vmlinuz0 
>e820: BIOS-provided physical RAM map:
>BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
>BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
>BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
>BIOS-e820: [mem 0x0000000000100000-0x000000007fffdfff] usable
>BIOS-e820: [mem 0x000000007fffe000-0x000000007fffffff] reserved
>BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
>BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
>NX (Execute Disable) protection: active
>SMBIOS 2.4 present.
>DMI: Bochs Bochs, BIOS Bochs 01/01/2011
>Hypervisor detected: KVM
>e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
>e820: remove [mem 0x000a0000-0x000fffff] usable
>e820: last_pfn = 0x7fffe max_arch_pfn = 0x400000000
>MTRR default type: write-back
>MTRR fixed ranges enabled:
>  00000-9FFFF write-back
>  A0000-BFFFF uncachable
>  C0000-FFFFF write-protect
>MTRR variable ranges enabled:
>  0 base 0080000000 mask FF80000000 uncachable
>  1 disabled
>  2 disabled
>  3 disabled
>  4 disabled
>  5 disabled
>  6 disabled
>  7 disabled
>x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106
>found SMP MP-table at [mem 0x000f17a0-0x000f17af] mapped at [ffff8800000f17a0]
>Scanning 1 areas for low memory corruption
>Base memory trampoline at [ffff880000099000] 99000 size 24576
>Using GB pages for direct mapping
>init_memory_mapping: [mem 0x00000000-0x000fffff]
> [mem 0x00000000-0x000fffff] page 4k
>BRK [0x02dc7000, 0x02dc7fff] PGTABLE
>BRK [0x02dc8000, 0x02dc8fff] PGTABLE
>BRK [0x02dc9000, 0x02dc9fff] PGTABLE
>init_memory_mapping: [mem 0x7d800000-0x7d9fffff]
> [mem 0x7d800000-0x7d9fffff] page 2M
>BRK [0x02dca000, 0x02dcafff] PGTABLE
>init_memory_mapping: [mem 0x7c000000-0x7d7fffff]
> [mem 0x7c000000-0x7d7fffff] page 2M
>init_memory_mapping: [mem 0x00100000-0x7bffffff]
> [mem 0x00100000-0x001fffff] page 4k
> [mem 0x00200000-0x7bffffff] page 2M
>init_memory_mapping: [mem 0x7da00000-0x7fffdfff]
> [mem 0x7da00000-0x7fdfffff] page 2M
> [mem 0x7fe00000-0x7fffdfff] page 4k
>BRK [0x02dcb000, 0x02dcbfff] PGTABLE
>RAMDISK: [mem 0x7dba1000-0x7ffdcfff]
>ACPI: RSDP 00000000000f1610 000014 (v00 BOCHS )
>ACPI: RSDT 000000007fffe440 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
>ACPI: FACP 000000007fffff80 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
>ACPI: DSDT 000000007fffe470 001137 (v01   BXPC   BXDSDT 00000001 INTL 20120913)
>ACPI: FACS 000000007fffff40 000040
>ACPI: SSDT 000000007ffff6a0 000899 (v01 BOCHS  BXPCSSDT 00000001 BXPC 00000001)
>ACPI: APIC 000000007ffff5b0 000080 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
>ACPI: Local APIC address 0xfee00000
>No NUMA configuration found
>Faking a node at [mem 0x0000000000000000-0x000000007fffdfff]
>Initmem setup node 0 [mem 0x00000000-0x7fffdfff]
>  NODE_DATA [mem 0x7db7a000-0x7dba0fff]
>kvm-clock: Using msrs 4b564d01 and 4b564d00
>kvm-clock: cpu 0, msr 0:7dafa001, boot clock
> [ffffea0000000000-ffffea0001ffffff] PMD -> [ffff88007b200000-ffff88007d1fffff] on node 0
>Zone ranges:
>  DMA      [mem 0x00001000-0x00ffffff]
>  DMA32    [mem 0x01000000-0xffffffff]
>  Normal   empty
>Movable zone start for each node
>Early memory node ranges
>  node   0: [mem 0x00001000-0x0009efff]
>  node   0: [mem 0x00100000-0x7fffdfff]
>On node 0 totalpages: 524188
>  DMA zone: 64 pages used for memmap
>  DMA zone: 21 pages reserved
>  DMA zone: 3998 pages, LIFO batch:0
>  DMA32 zone: 8128 pages used for memmap
>  DMA32 zone: 520190 pages, LIFO batch:31
>ACPI: PM-Timer IO Port: 0xb008
>ACPI: Local APIC address 0xfee00000
>ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
>ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
>ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
>ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
>IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
>ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
>ACPI: IRQ0 used by override.
>ACPI: IRQ2 used by override.
>ACPI: IRQ5 used by override.
>ACPI: IRQ9 used by override.
>ACPI: IRQ10 used by override.
>ACPI: IRQ11 used by override.
>Using ACPI (MADT) for SMP configuration information
>smpboot: Allowing 2 CPUs, 0 hotplug CPUs
>nr_irqs_gsi: 40
>PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
>PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
>PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
>e820: [mem 0x80000000-0xfeffbfff] available for PCI devices
>Booting paravirtualized kernel on KVM
>setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
>PERCPU: Embedded 478 pages/cpu @ffff88007d600000 s1926848 r8192 d22848 u2097152
>pcpu-alloc: s1926848 r8192 d22848 u2097152 alloc=1*2097152
>pcpu-alloc: [0] 0 [0] 1 
>kvm-clock: cpu 0, msr 0:7dafa001, primary cpu clock
>KVM setup async PF for cpu 0
>kvm-stealtime: cpu 0, msr 7d60e280
>Built 1 zonelists in Node order, mobility grouping on.  Total pages: 515975
>Policy zone: DMA32
>Kernel command line: initrd=initrd0.img root=live:CDLABEL=Fedora-Live-Xfce-x86_64-rawhide- rootfstype=auto ro rd.live.image rd.luks=0 rd.md=0 rd.dm=0  BOOT_IMAGE=vmlinuz0 
>PID hash table entries: 4096 (order: 3, 32768 bytes)
>Memory: 1991024K/2096752K available (8093K kernel code, 1605K rwdata, 3296K rodata, 3700K init, 12860K bss, 105728K reserved)
>SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
>Hierarchical RCU implementation.
>	RCU lockdep checking is enabled.
>	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
>RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
>NR_IRQS:524544 nr_irqs:512 16
>ACPI: Core revision 20131218
>kmemleak: Kernel memory leak detector disabled
>ACPI: All ACPI Tables successfully acquired
>Console: colour VGA+ 80x25
>console [tty0] enabled
>Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
>... MAX_LOCKDEP_SUBCLASSES:  8
>... MAX_LOCK_DEPTH:          48
>... MAX_LOCKDEP_KEYS:        8191
>... CLASSHASH_SIZE:          4096
>... MAX_LOCKDEP_ENTRIES:     16384
>... MAX_LOCKDEP_CHAINS:      32768
>... CHAINHASH_SIZE:          16384
> memory used by lock dependency info: 6367 kB
> per task-struct memory footprint: 2688 bytes
>allocated 8388608 bytes of page_cgroup
>please try 'cgroup_disable=memory' option if you don't want memory cgroups
>ODEBUG: 20 of 20 active objects replaced
>tsc: Detected 3199.998 MHz processor
>tsc: Marking TSC unstable due to TSCs unsynchronized
>Calibrating delay loop (skipped) preset value.. 6399.99 BogoMIPS (lpj=3199998)
>pid_max: default: 32768 minimum: 301
>Security Framework initialized
>SELinux:  Initializing.
>SELinux:  Starting in permissive mode
>Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
>Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
>Mount-cache hash table entries: 256
>Initializing cgroup subsys memory
>Initializing cgroup subsys devices
>Initializing cgroup subsys freezer
>Initializing cgroup subsys net_cls
>Initializing cgroup subsys blkio
>Initializing cgroup subsys perf_event
>Initializing cgroup subsys hugetlb
>mce: CPU supports 10 MCE banks
>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
>Freeing SMP alternatives memory: 24K (ffffffff82130000 - ffffffff82136000)
>ftrace: allocating 26499 entries in 104 pages
>..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
>smpboot: CPU0: AMD Opteron 23xx (Gen 3 Class Opteron) (fam: 0f, model: 06, stepping: 01)
>Performance Events: Broken PMU hardware detected, using software events only.
>Failed to access perfctr msr (MSR c0010001 is ffffffffffffffff)
>watchdog: disabled (inside virtual machine)
>x86: Booting SMP configuration:
>.... node  #0, CPUs:      #1
>kvm-clock: cpu 1, msr 0:7dafa041, secondary cpu clock
>x86: Booted up 1 node, 2 CPUs
>KVM setup async PF for cpu 1
>kvm-stealtime: cpu 1, msr 7d80e280
>smpboot: Total of 2 processors activated (12799.99 BogoMIPS)
>devtmpfs: initialized
>atomic64 test passed for x86-64 platform with CX8 and with SSE
>pinctrl core: initialized pinctrl subsystem
>RTC time: 21:02:59, date: 02/06/14
>NET: Registered protocol family 16
>cpuidle: using governor menu
>ACPI: bus type PCI registered
>acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
>PCI: Using configuration type 1 for base access
>bio: create slab <bio-0> at 0
>ACPI: Added _OSI(Module Device)
>ACPI: Added _OSI(Processor Device)
>ACPI: Added _OSI(3.0 _SCP Extensions)
>ACPI: Added _OSI(Processor Aggregator Device)
>ACPI: Interpreter enabled
>ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20131218/hwxface-580)
>ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20131218/hwxface-580)
>ACPI: (supports S0 S3 S4 S5)
>ACPI: Using IOAPIC for interrupt routing
>PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
>ACPI: No dock devices found.
>ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
>acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
>acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
>acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
>acpiphp: Slot [3] registered
>acpiphp: Slot [4] registered
>acpiphp: Slot [6] registered
>acpiphp: Slot [7] registered
>acpiphp: Slot [8] registered
>acpiphp: Slot [9] registered
>acpiphp: Slot [10] registered
>acpiphp: Slot [11] registered
>acpiphp: Slot [12] registered
>acpiphp: Slot [13] registered
>acpiphp: Slot [14] registered
>acpiphp: Slot [15] registered
>acpiphp: Slot [16] registered
>acpiphp: Slot [17] registered
>acpiphp: Slot [18] registered
>acpiphp: Slot [19] registered
>acpiphp: Slot [20] registered
>acpiphp: Slot [21] registered
>acpiphp: Slot [22] registered
>acpiphp: Slot [23] registered
>acpiphp: Slot [24] registered
>acpiphp: Slot [25] registered
>acpiphp: Slot [26] registered
>acpiphp: Slot [27] registered
>acpiphp: Slot [28] registered
>acpiphp: Slot [29] registered
>acpiphp: Slot [30] registered
>acpiphp: Slot [31] registered
>PCI host bridge to bus 0000:00
>pci_bus 0000:00: root bus resource [bus 00-ff]
>pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
>pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
>pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
>pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff]
>pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
>pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
>pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
>pci 0000:00:01.1: reg 0x20: [io  0xc120-0xc12f]
>pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
>pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
>pci 0000:00:01.3: quirk: [io  0xb100-0xb10f] claimed by PIIX4 SMB
>pci 0000:00:02.0: [1b36:0100] type 00 class 0x030000
>pci 0000:00:02.0: reg 0x10: [mem 0xf4000000-0xf7ffffff]
>pci 0000:00:02.0: reg 0x14: [mem 0xf8000000-0xfbffffff]
>pci 0000:00:02.0: reg 0x18: [mem 0xfc054000-0xfc055fff]
>pci 0000:00:02.0: reg 0x1c: [io  0xc040-0xc05f]
>pci 0000:00:02.0: reg 0x30: [mem 0xfc040000-0xfc04ffff pref]
>pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000
>pci 0000:00:03.0: reg 0x10: [io  0xc060-0xc07f]
>pci 0000:00:03.0: reg 0x14: [mem 0xfc056000-0xfc056fff]
>pci 0000:00:03.0: reg 0x30: [mem 0xfc000000-0xfc03ffff pref]
>pci 0000:00:04.0: [8086:2668] type 00 class 0x040300
>pci 0000:00:04.0: reg 0x10: [mem 0xfc050000-0xfc053fff]
>pci 0000:00:05.0: [8086:2934] type 00 class 0x0c0300
>pci 0000:00:05.0: reg 0x20: [io  0xc080-0xc09f]
>pci 0000:00:05.1: [8086:2935] type 00 class 0x0c0300
>pci 0000:00:05.1: reg 0x20: [io  0xc0a0-0xc0bf]
>pci 0000:00:05.2: [8086:2936] type 00 class 0x0c0300
>pci 0000:00:05.2: reg 0x20: [io  0xc0c0-0xc0df]
>pci 0000:00:05.7: [8086:293a] type 00 class 0x0c0320
>pci 0000:00:05.7: reg 0x10: [mem 0xfc057000-0xfc057fff]
>pci 0000:00:06.0: [1af4:1003] type 00 class 0x078000
>pci 0000:00:06.0: reg 0x10: [io  0xc0e0-0xc0ff]
>pci 0000:00:06.0: reg 0x14: [mem 0xfc058000-0xfc058fff]
>pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000
>pci 0000:00:07.0: reg 0x10: [io  0xc000-0xc03f]
>pci 0000:00:07.0: reg 0x14: [mem 0xfc059000-0xfc059fff]
>pci 0000:00:08.0: [1af4:1002] type 00 class 0x00ff00
>pci 0000:00:08.0: reg 0x10: [io  0xc100-0xc11f]
>ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
>ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
>ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
>ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
>ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
>ACPI: Enabled 16 GPEs in block 00 to 0F
>vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
>vgaarb: loaded
>vgaarb: bridge control possible 0000:00:02.0
>SCSI subsystem initialized
>libata version 3.00 loaded.
>ACPI: bus type USB registered
>usbcore: registered new interface driver usbfs
>usbcore: registered new interface driver hub
>usbcore: registered new device driver usb
>PCI: Using ACPI for IRQ routing
>PCI: pci_cache_line_size set to 64 bytes
>e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
>e820: reserve RAM buffer [mem 0x7fffe000-0x7fffffff]
>NetLabel: Initializing
>NetLabel:  domain hash size = 128
>NetLabel:  protocols = UNLABELED CIPSOv4
>NetLabel:  unlabeled traffic allowed by default
>Switched to clocksource kvm-clock
>pnp: PnP ACPI init
>ACPI: bus type PNP registered
>pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
>pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
>pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
>pnp 00:03: [dma 2]
>pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
>pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
>pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
>pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
>pnp: PnP ACPI: found 7 devices
>ACPI: bus type PNP unregistered
>pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
>pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
>pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
>pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff]
>NET: Registered protocol family 2
>TCP established hash table entries: 16384 (order: 5, 131072 bytes)
>TCP bind hash table entries: 16384 (order: 8, 1310720 bytes)
>TCP: Hash tables configured (established 16384 bind 16384)
>TCP: reno registered
>UDP hash table entries: 1024 (order: 5, 196608 bytes)
>UDP-Lite hash table entries: 1024 (order: 5, 196608 bytes)
>NET: Registered protocol family 1
>pci 0000:00:00.0: Limiting direct PCI/PCI transfers
>pci 0000:00:01.0: PIIX3: Enabling Passive Release
>pci 0000:00:01.0: Activating ISA DMA hang workarounds
>pci 0000:00:02.0: Boot video device
>ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
>ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
>ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
>ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 10
>PCI: CLS 0 bytes, default 64
>Unpacking initramfs...
>Freeing initrd memory: 37104K (ffff88007dba1000 - ffff88007ffdd000)
>DMA-API: preallocated 65536 debug entries
>DMA-API: debugging enabled by kernel config
>Scanning for low memory corruption every 60 seconds
>futex hash table entries: 512 (order: 4, 65536 bytes)
>Initialise system trusted keyring
>cryptomgr_test (28) used greatest stack depth: 6096 bytes left
>audit: initializing netlink subsys (disabled)
>audit: type=2000 audit(1391720584.896:1): initialized
>HugeTLB registered 2 MB page size, pre-allocated 0 pages
>zbud: loaded
>VFS: Disk quotas dquot_6.5.2
>Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
>msgmni has been set to 3961
>Key type big_key registered
>SELinux:  Registering netfilter hooks
>cryptomgr_test (33) used greatest stack depth: 5376 bytes left
>cryptomgr_test (38) used greatest stack depth: 5312 bytes left
>alg: No test for stdrng (krng)
>NET: Registered protocol family 38
>Key type asymmetric registered
>Asymmetric key parser 'x509' registered
>Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
>io scheduler noop registered
>io scheduler deadline registered
>io scheduler cfq registered (default)
>list_sort_test: start testing list_sort()
>pci_hotplug: PCI Hot Plug PCI Core version: 0.5
>pciehp: PCI Express Hot Plug Controller Driver version: 0.4
>input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
>ACPI: Power Button [PWRF]
>GHES: HEST is not enabled!
>Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>Non-volatile memory driver v1.3
>Linux agpgart interface v0.103
>ata_piix 0000:00:01.1: version 2.13
>scsi0 : ata_piix
>scsi1 : ata_piix
>ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc120 irq 14
>ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc128 irq 15
>libphy: Fixed MDIO Bus: probed
>ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
>ehci-pci: EHCI PCI platform driver
>ehci-pci 0000:00:05.7: EHCI Host Controller
>ehci-pci 0000:00:05.7: new USB bus registered, assigned bus number 1
>ehci-pci 0000:00:05.7: irq 10, io mem 0xfc057000
>ehci-pci 0000:00:05.7: USB 2.0 started, EHCI 1.00
>usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
>usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>usb usb1: Product: EHCI Host Controller
>usb usb1: Manufacturer: Linux 3.14.0-0.rc1.git1.1.fc21.x86_64 ehci_hcd
>usb usb1: SerialNumber: 0000:00:05.7
>hub 1-0:1.0: USB hub found
>hub 1-0:1.0: 6 ports detected
>ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
>ohci-pci: OHCI PCI platform driver
>uhci_hcd: USB Universal Host Controller Interface driver
>uhci_hcd 0000:00:05.0: UHCI Host Controller
>uhci_hcd 0000:00:05.0: new USB bus registered, assigned bus number 2
>uhci_hcd 0000:00:05.0: detected 2 ports
>uhci_hcd 0000:00:05.0: irq 10, io base 0x0000c080
>usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
>usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>usb usb2: Product: UHCI Host Controller
>usb usb2: Manufacturer: Linux 3.14.0-0.rc1.git1.1.fc21.x86_64 uhci_hcd
>usb usb2: SerialNumber: 0000:00:05.0
>ata1.01: NODEV after polling detection
>ata1.00: ATAPI: QEMU DVD-ROM, 1.6.1, max UDMA/100
>hub 2-0:1.0: USB hub found
>hub 2-0:1.0: 2 ports detected
>ata1.00: configured for MWDMA2
>uhci_hcd 0000:00:05.1: UHCI Host Controller
>uhci_hcd 0000:00:05.1: new USB bus registered, assigned bus number 3
>uhci_hcd 0000:00:05.1: detected 2 ports
>uhci_hcd 0000:00:05.1: irq 11, io base 0x0000c0a0
>usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
>usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>usb usb3: Product: UHCI Host Controller
>usb usb3: Manufacturer: Linux 3.14.0-0.rc1.git1.1.fc21.x86_64 uhci_hcd
>usb usb3: SerialNumber: 0000:00:05.1
>hub 3-0:1.0: USB hub found
>hub 3-0:1.0: 2 ports detected
>uhci_hcd 0000:00:05.2: UHCI Host Controller
>uhci_hcd 0000:00:05.2: new USB bus registered, assigned bus number 4
>uhci_hcd 0000:00:05.2: detected 2 ports
>uhci_hcd 0000:00:05.2: irq 11, io base 0x0000c0c0
>usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
>usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
>usb usb4: Product: UHCI Host Controller
>usb usb4: Manufacturer: Linux 3.14.0-0.rc1.git1.1.fc21.x86_64 uhci_hcd
>usb usb4: SerialNumber: 0000:00:05.2
>hub 4-0:1.0: USB hub found
>hub 4-0:1.0: 2 ports detected
>usbcore: registered new interface driver usbserial
>usbcore: registered new interface driver usbserial_generic
>usbserial: USB Serial support registered for generic
>i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
>serio: i8042 KBD port at 0x60,0x64 irq 1
>serio: i8042 AUX port at 0x60,0x64 irq 12
>mousedev: PS/2 mouse device common for all mice
>input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
>rtc_cmos 00:00: RTC can wake from S4
>scsi 0:0:0:0: CD-ROM            QEMU     QEMU DVD-ROM     1.6. PQ: 0 ANSI: 5
>sr0: scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray
>cdrom: Uniform CD-ROM driver Revision: 3.20
>rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
>rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
>sr 0:0:0:0: Attached scsi CD-ROM sr0
>device-mapper: uevent: version 1.0.3
>sr 0:0:0:0: Attached scsi generic sg0 type 5
>device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@redhat.com
>hidraw: raw HID events driver (C) Jiri Kosina
>usbcore: registered new interface driver usbhid
>usbhid: USB HID core driver
>drop_monitor: Initializing network drop monitor service
>ip_tables: (C) 2000-2006 Netfilter Core Team
>TCP: cubic registered
>Initializing XFRM netlink socket
>NET: Registered protocol family 10
>mip6: Mobile IPv6
>NET: Registered protocol family 17
>Loading compiled-in X.509 certificates
>Loaded X.509 cert 'Fedora kernel signing key: 58bee8d1201dbd197a4b8607fa0771209f27d92d'
>registered taskstats version 1
>  Magic number: 2:614:44
>rtc_cmos 00:00: setting system clock to 2014-02-06 21:03:04 UTC (1391720584)
>PM: Hibernation image not present or could not be loaded.
>Freeing unused kernel memory: 3700K (ffffffff81d93000 - ffffffff82130000)
>Write protecting the kernel read-only data: 12288k
>Freeing unused kernel memory: 88K (ffff8800017ea000 - ffff880001800000)
>Freeing unused kernel memory: 800K (ffff880001b38000 - ffff880001c00000)
>systemd[1]: systemd 208 running in system mode. (+PAM +LIBWRAP +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ)
>systemd[1]: Detected virtualization 'kvm'.
>systemd[1]: Running in initial RAM disk.
>usb 1-1: new high-speed USB device number 2 using ehci-pci
>systemd[1]: No hostname configured.
>systemd[1]: Set hostname to <localhost>.
>systemd[1]: Initializing machine ID from KVM UUID.
>random: systemd urandom read with 18 bits of entropy available
>dracut-rootfs-g (56) used greatest stack depth: 5184 bytes left
>systemd[1]: /usr/lib/systemd/system-generators/dracut-rootfs-generator exited with exit status 1.
>systemd[1]: Starting -.slice.
>systemd[1]: Created slice -.slice.
>systemd[1]: Starting System Slice.
>systemd[1]: Created slice System Slice.
>systemd[1]: Starting Slices.
>systemd[1]: Reached target Slices.
>systemd[1]: Starting Timers.
>systemd[1]: Reached target Timers.
>systemd[1]: Starting Journal Socket.
>systemd[1]: Listening on Journal Socket.
>systemd[1]: Starting dracut cmdline hook...
>systemd[1]: Starting Journal Service...
>systemd[1]: Started Journal Service.
>usb 1-1: New USB device found, idVendor=0627, idProduct=0001
>usb 1-1: New USB device strings: Mfr=1, Product=3, SerialNumber=5
>usb 1-1: Product: QEMU USB Tablet
>usb 1-1: Manufacturer: QEMU
>usb 1-1: SerialNumber: 42
>systemd-journald[71]: Vacuuming done, freed 0 bytes
>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
>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
>loop: module loaded
>modprobe (116) used greatest stack depth: 5088 bytes left
>input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3
>RPC: Registered named UNIX socket transport module.
>RPC: Registered udp transport module.
>RPC: Registered tcp transport module.
>RPC: Registered tcp NFSv4.1 backchannel transport module.
>modprobe (215) used greatest stack depth: 4984 bytes left
>rpc.statd (224) used greatest stack depth: 4968 bytes left
>systemd-udevd[252]: starting version 208
>[drm] Initialized drm 1.1.0 20060810
>cdrom_id (340) used greatest stack depth: 3272 bytes left
>[drm] Device Version 0.0
>[drm] Compression level 0 log level 0
>[drm] Currently using mode #0, list at 0x488
>[drm] 12286 io pages at offset 0x1000000
>[drm] 16777216 byte draw area at offset 0x0
>[drm] RAM header offset: 0x3ffe000
>[drm] rom modes offset 0x488 for 128 modes
>[TTM] Zone  kernel: Available graphics memory: 1016370 kiB
>[TTM] Initializing pool allocator
>[TTM] Initializing DMA pool allocator
>[drm] qxl: 16M of VRAM memory size
>[drm] qxl: 63M of IO pages memory ready (VRAM domain)
>[drm] qxl: 64M of Surface memory size
>[drm] main mem slot 1 [f4000000,3ffe000]
>[drm] surface mem slot 2 [f8000000,4000000]
>[drm] fb mappable at 0xF4000000, size 3145728
>[drm] fb: depth 24, pitch 4096, width 1024, height 768
>virtio-pci 0000:00:07.0: irq 40 for MSI/MSI-X
>virtio-pci 0000:00:07.0: irq 41 for MSI/MSI-X
>fbcon: qxldrmfb (fb0) is primary device
>blk-mq: CPU -> queue map
>  CPU 0 -> Queue 0
>  CPU 1 -> Queue 0
>virtio-pci 0000:00:03.0: irq 42 for MSI/MSI-X
>virtio-pci 0000:00:03.0: irq 43 for MSI/MSI-X
>virtio-pci 0000:00:03.0: irq 44 for MSI/MSI-X
> vda: vda1 vda2 vda3
>raid6: sse2x1    3546 MB/s
>raid6: sse2x2    6679 MB/s
>raid6: sse2x4    7207 MB/s
>raid6: using algorithm sse2x4 (7207 MB/s)
>raid6: using intx1 recovery algorithm
>xor: measuring software checksum speed
>   prefetch64-sse: 12892.000 MB/sec
>   generic_sse: 15660.000 MB/sec
>xor: using function: generic_sse (15660.000 MB/sec)
>Console: switching to colour frame buffer device 128x48
>bio: create slab <bio-1> at 1
>Btrfs loaded
>BTRFS: device label fedora devid 1 transid 14 /dev/vda3
>qxl 0000:00:02.0: fb0: qxldrmfb frame buffer device
>qxl 0000:00:02.0: registered panic notifier
>[drm] Initialized qxl 0.1.0 20120117 for 0000:00:02.0 on minor 0
>squashfs: version 4.0 (2009/01/31) Phillip Lougher
>ISO 9660 Extensions: Microsoft Joliet Level 3
>ISO 9660 Extensions: RRIP_1991A
>random: nonblocking pool is initialized
>bio: create slab <bio-2> at 2
>bio: create slab <bio-3> at 3
>EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null)
>systemd-udevd (321) used greatest stack depth: 2168 bytes left
>systemd-journald[71]: Received SIGTERM
>audit: type=1404 audit(1391720591.184:2): enforcing=1 old_enforcing=0 auid=4294967295 ses=4294967295
>SELinux: 2048 avtab hash slots, 104718 rules.
>SELinux: 2048 avtab hash slots, 104718 rules.
>SELinux:  8 users, 100 roles, 4798 types, 274 bools, 1 sens, 1024 cats
>SELinux:  83 classes, 104718 rules
>SELinux:  Completing initialization.
>SELinux:  Setting up existing superblocks.
>SELinux: initialized (dev rootfs, type rootfs), uses genfs_contexts
>SELinux: initialized (dev bdev, type bdev), uses genfs_contexts
>SELinux: initialized (dev proc, type proc), uses genfs_contexts
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>SELinux: initialized (dev devtmpfs, type devtmpfs), uses transition SIDs
>SELinux: initialized (dev debugfs, type debugfs), uses genfs_contexts
>SELinux: initialized (dev sockfs, type sockfs), uses task SIDs
>SELinux: initialized (dev pipefs, type pipefs), uses task SIDs
>SELinux: initialized (dev anon_inodefs, type anon_inodefs), uses genfs_contexts
>SELinux: initialized (dev aio, type aio), not configured for labeling
>SELinux: initialized (dev devpts, type devpts), uses transition SIDs
>SELinux: initialized (dev hugetlbfs, type hugetlbfs), uses transition SIDs
>SELinux: initialized (dev mqueue, type mqueue), uses transition SIDs
>SELinux: initialized (dev selinuxfs, type selinuxfs), uses genfs_contexts
>SELinux: initialized (dev sysfs, type sysfs), uses genfs_contexts
>SELinux: initialized (dev securityfs, type securityfs), uses genfs_contexts
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev pstore, type pstore), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev cgroup, type cgroup), uses genfs_contexts
>SELinux: initialized (dev rpc_pipefs, type rpc_pipefs), uses genfs_contexts
>SELinux: initialized (dev sr0, type iso9660), uses genfs_contexts
>SELinux: initialized (dev loop0, type squashfs), uses xattr
>SELinux: initialized (dev loop2, type squashfs), uses xattr
>SELinux: initialized (dev dm-0, type ext4), uses xattr
>audit: type=1403 audit(1391720591.616:3): policy loaded auid=4294967295 ses=4294967295
>systemd[1]: Successfully loaded SELinux policy in 493.757ms.
>systemd[1]: Relabelled /dev and /run in 83.795ms.
>SELinux: initialized (dev configfs, type configfs), uses genfs_contexts
>SELinux: initialized (dev hugetlbfs, type hugetlbfs), uses transition SIDs
>SELinux: initialized (dev autofs, type autofs), uses genfs_contexts
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>EXT4-fs (dm-0): re-mounted. Opts: (null)
>systemd-journald[635]: Vacuuming done, freed 0 bytes
>Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
>SELinux: initialized (dev nfsd, type nfsd), uses genfs_contexts
>systemd-udevd[656]: starting version 208
>systemd-journald[635]: Received request to flush runtime journal from PID 1
>piix4_smbus 0000:00:01.3: SMBus Host Controller at 0xb100, revision 0
>audit: type=1305 audit(1391720598.113:4): audit_pid=678 old=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:auditd_t:s0 res=1
>parport_pc 00:04: reported by Plug and Play ACPI
>virtio-pci 0000:00:06.0: irq 45 for MSI/MSI-X
>virtio-pci 0000:00:06.0: irq 46 for MSI/MSI-X
>microcode: AMD CPU family 0xf not supported
>microcode: AMD CPU family 0xf not supported
>BTRFS: device label fedora devid 1 transid 14 /dev/vda3
>has_svm: can't execute cpuid_8000000a
>kvm: no hardware support
>powernow-k8: Power state transitions not supported
>powernow-k8: Power state transitions not supported
>snd_hda_intel 0000:00:04.0: irq 47 for MSI/MSI-X
>hda-codec: No codec parser is available
>ppdev: user-space parallel port driver
>Adding 838652k swap on /dev/vda2.  Priority:-1 extents:1 across:838652k FS
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
>ip6_tables: (C) 2000-2006 Netfilter Core Team
>Ebtables v2.0 registered
>Bridge firewalling registered
>cfg80211: Calling CRDA to update world regulatory domain
>cfg80211: World regulatory domain updated:
>cfg80211:  DFS Master region: unset
>cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
>cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm)
>cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
>cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm)
>cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 2000 mBm)
>cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm)
>cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm)
>input: spice vdagent tablet as /devices/virtual/input/input5
>IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>md: raid0 personality registered for level 0
>md: raid1 personality registered for level 1
>async_tx: api initialized (async)
>md: raid6 personality registered for level 6
>md: raid5 personality registered for level 5
>md: raid4 personality registered for level 4
>md: raid10 personality registered for level 10
>device-mapper: multipath: version 1.6.0 loaded
>device-mapper: multipath round-robin: version 1.0.0 loaded
>sha256_ssse3: Neither AVX nor SSSE3 is available/usable.
>Loading iSCSI transport class v2.0-870.
>iscsi: registered transport (tcp)
>No iBFT detected.
>BTRFS: device label fedora devid 1 transid 14 /dev/vda3
>BTRFS: device label fedora devid 1 transid 14 /dev/vda3
>BTRFS: device label fedora devid 1 transid 14 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>BTRFS: device label fedora devid 1 transid 15 /dev/vda3
>BTRFS: device label fedora devid 1 transid 15 /dev/vda3
>BTRFS: device label fedora devid 1 transid 15 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>EXT4-fs (vda1): INFO: recovery required on readonly filesystem
>EXT4-fs (vda1): write access will be enabled during recovery
>EXT4-fs (vda1): recovery complete
>EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null)
>SELinux: initialized (dev vda1, type ext4), uses xattr
>BTRFS: device label fedora devid 1 transid 16 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>BTRFS: device label fedora devid 1 transid 16 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>EXT4-fs (dm-1): mounted filesystem with ordered data mode. Opts: (null)
>SELinux: initialized (dev dm-1, type ext4), uses xattr
>SGI XFS with ACLs, security attributes, large block/inode numbers, no debug enabled
>BTRFS: device label fedora devid 1 transid 16 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>BTRFS: device label fedora devid 1 transid 18 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>BTRFS: device label fedora devid 1 transid 4 /dev/vda3
>BTRFS: device label fedora devid 1 transid 4 /dev/vda3
>BTRFS: device label fedora devid 1 transid 4 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>BTRFS: flagging fs with big metadata feature
>BTRFS: creating UUID tree
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>BTRFS: device label fedora devid 1 transid 7 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>Adding 838652k swap on /dev/vda2.  Priority:-1 extents:1 across:838652k FS
>BTRFS: device label fedora devid 1 transid 9 /dev/vda3
>BTRFS info (device vda3): disk space caching is enabled
>SELinux: initialized (dev vda3, type btrfs), uses xattr
>EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null)
>SELinux: initialized (dev vda1, type ext4), uses xattr
>SELinux: initialized (dev tmpfs, type tmpfs), uses transition SIDs
>BTRFS: device label fedora devid 1 transid 9 /dev/vda3
>
>=========================================================
>[ INFO: possible irq lock inversion dependency detected ]
>3.14.0-0.rc1.git1.1.fc21.x86_64 #1 Not tainted
>---------------------------------------------------------
>kswapd0/30 just changed the state of lock:
> (&delayed_node->mutex){+.+.-.}, at: [<ffffffffa01e09ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>but this lock took another, RECLAIM_FS-unsafe lock in the past:
> (&found->groups_sem){+++++.}
>
>and interrupts could create inverse lock ordering between them.
>
>
>other info that might help us debug this:
> Possible interrupt unsafe locking scenario:
>
>       CPU0                    CPU1
>       ----                    ----
>  lock(&found->groups_sem);
>                               local_irq_disable();
>                               lock(&delayed_node->mutex);
>                               lock(&found->groups_sem);
>  <Interrupt>
>    lock(&delayed_node->mutex);
>
> *** DEADLOCK ***
>
>2 locks held by kswapd0/30:
> #0:  (shrinker_rwsem){++++..}, at: [<ffffffff811c45af>] shrink_slab+0x3f/0x180
> #1:  (&type->s_umount_key#49){+++++.}, at: [<ffffffff81236a74>] grab_super_passive+0x44/0x90
>
>the shortest dependencies between 2nd lock and 1st lock:
> -> (&found->groups_sem){+++++.} ops: 4248 {
>    HARDIRQ-ON-W at:
>                      [<ffffffff810f9479>] __lock_acquire+0x659/0x1c40
>                      [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                      [<ffffffff817d6e6e>] down_write+0x4e/0xc0
>                      [<ffffffffa017785b>] __link_block_group+0x3b/0xf0 [btrfs]
>                      [<ffffffffa017973b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>                      [<ffffffffa0188a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>                      [<ffffffffa015bc5e>] btrfs_mount+0x63e/0x810 [btrfs]
>                      [<ffffffff81237449>] mount_fs+0x39/0x1b0
>                      [<ffffffff8125780b>] vfs_kern_mount+0x6b/0x150
>                      [<ffffffff8125a6de>] do_mount+0x24e/0xbb0
>                      [<ffffffff8125b386>] SyS_mount+0x96/0xf0
>                      [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>    HARDIRQ-ON-R at:
>                      [<ffffffff810f9360>] __lock_acquire+0x540/0x1c40
>                      [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                      [<ffffffff817d6dd1>] down_read+0x51/0xa0
>                      [<ffffffffa0183fed>] btrfs_calc_num_tolerated_disk_barrier_failures+0x1cd/0x350 [btrfs]
>                      [<ffffffffa0188a97>] open_ctree+0x1817/0x21e0 [btrfs]
>                      [<ffffffffa015bc5e>] btrfs_mount+0x63e/0x810 [btrfs]
>                      [<ffffffff81237449>] mount_fs+0x39/0x1b0
>                      [<ffffffff8125780b>] vfs_kern_mount+0x6b/0x150
>                      [<ffffffff8125a6de>] do_mount+0x24e/0xbb0
>                      [<ffffffff8125b386>] SyS_mount+0x96/0xf0
>                      [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>    SOFTIRQ-ON-W at:
>                      [<ffffffff810f94af>] __lock_acquire+0x68f/0x1c40
>                      [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                      [<ffffffff817d6e6e>] down_write+0x4e/0xc0
>                      [<ffffffffa017785b>] __link_block_group+0x3b/0xf0 [btrfs]
>                      [<ffffffffa017973b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>                      [<ffffffffa0188a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>                      [<ffffffffa015bc5e>] btrfs_mount+0x63e/0x810 [btrfs]
>                      [<ffffffff81237449>] mount_fs+0x39/0x1b0
>                      [<ffffffff8125780b>] vfs_kern_mount+0x6b/0x150
>                      [<ffffffff8125a6de>] do_mount+0x24e/0xbb0
>                      [<ffffffff8125b386>] SyS_mount+0x96/0xf0
>                      [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>    SOFTIRQ-ON-R at:
>                      [<ffffffff810f94af>] __lock_acquire+0x68f/0x1c40
>                      [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                      [<ffffffff817d6dd1>] down_read+0x51/0xa0
>                      [<ffffffffa0183fed>] btrfs_calc_num_tolerated_disk_barrier_failures+0x1cd/0x350 [btrfs]
>                      [<ffffffffa0188a97>] open_ctree+0x1817/0x21e0 [btrfs]
>                      [<ffffffffa015bc5e>] btrfs_mount+0x63e/0x810 [btrfs]
>                      [<ffffffff81237449>] mount_fs+0x39/0x1b0
>                      [<ffffffff8125780b>] vfs_kern_mount+0x6b/0x150
>                      [<ffffffff8125a6de>] do_mount+0x24e/0xbb0
>                      [<ffffffff8125b386>] SyS_mount+0x96/0xf0
>                      [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>    RECLAIM_FS-ON-W at:
>                         [<ffffffff810f8819>] mark_held_locks+0xb9/0x140
>                         [<ffffffff810fbc4a>] lockdep_trace_alloc+0x7a/0xe0
>                         [<ffffffff8121180f>] __kmalloc_track_caller+0x4f/0x350
>                         [<ffffffff813d6e21>] kvasprintf+0x61/0xa0
>                         [<ffffffff813c9601>] kobject_set_name_vargs+0x21/0x70
>                         [<ffffffff813ca092>] kobject_add+0x62/0xd0
>                         [<ffffffffa01778e4>] __link_block_group+0xc4/0xf0 [btrfs]
>                         [<ffffffffa017973b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>                         [<ffffffffa0188a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>                         [<ffffffffa015bc5e>] btrfs_mount+0x63e/0x810 [btrfs]
>                         [<ffffffff81237449>] mount_fs+0x39/0x1b0
>                         [<ffffffff8125780b>] vfs_kern_mount+0x6b/0x150
>                         [<ffffffff8125a6de>] do_mount+0x24e/0xbb0
>                         [<ffffffff8125b386>] SyS_mount+0x96/0xf0
>                         [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>    INITIAL USE at:
>                     [<ffffffff810f9167>] __lock_acquire+0x347/0x1c40
>                     [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                     [<ffffffff817d6e6e>] down_write+0x4e/0xc0
>                     [<ffffffffa017785b>] __link_block_group+0x3b/0xf0 [btrfs]
>                     [<ffffffffa017973b>] btrfs_read_block_groups+0x30b/0x690 [btrfs]
>                     [<ffffffffa0188a79>] open_ctree+0x17f9/0x21e0 [btrfs]
>                     [<ffffffffa015bc5e>] btrfs_mount+0x63e/0x810 [btrfs]
>                     [<ffffffff81237449>] mount_fs+0x39/0x1b0
>                     [<ffffffff8125780b>] vfs_kern_mount+0x6b/0x150
>                     [<ffffffff8125a6de>] do_mount+0x24e/0xbb0
>                     [<ffffffff8125b386>] SyS_mount+0x96/0xf0
>                     [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>  }
>  ... key      at: [<ffffffffa021c7e0>] __key.42525+0x0/0xfffffffffffe5820 [btrfs]
>  ... acquired at:
>   [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>   [<ffffffff817d6dd1>] down_read+0x51/0xa0
>   [<ffffffffa017719b>] find_free_extent+0x80b/0xe90 [btrfs]
>   [<ffffffffa01779d8>] btrfs_reserve_extent+0xa8/0x140 [btrfs]
>   [<ffffffffa0177cee>] btrfs_alloc_free_block+0xfe/0x480 [btrfs]
>   [<ffffffffa01611f4>] __btrfs_cow_block+0x134/0x550 [btrfs]
>   [<ffffffffa01617a6>] btrfs_cow_block+0x116/0x270 [btrfs]
>   [<ffffffffa0165630>] btrfs_search_slot+0x1e0/0xa30 [btrfs]
>   [<ffffffffa01e14ac>] btrfs_delete_delayed_items+0xcc/0x330 [btrfs]
>   [<ffffffffa01e1ed2>] __btrfs_run_delayed_items+0x122/0x1e0 [btrfs]
>   [<ffffffffa01e1fc3>] btrfs_run_delayed_items+0x13/0x20 [btrfs]
>   [<ffffffffa018a449>] btrfs_flush_all_pending_stuffs+0x19/0x70 [btrfs]
>   [<ffffffffa018b512>] btrfs_commit_transaction+0x232/0xaa0 [btrfs]
>   [<ffffffffa0156354>] btrfs_sync_fs+0x54/0x160 [btrfs]
>   [<ffffffff8126aff5>] sync_filesystem+0x85/0xc0
>   [<ffffffff81235500>] generic_shutdown_super+0x30/0xf0
>   [<ffffffff812357a2>] kill_anon_super+0x12/0x20
>   [<ffffffffa0158a06>] btrfs_kill_super+0x16/0x90 [btrfs]
>   [<ffffffff81235c7d>] deactivate_locked_super+0x3d/0x60
>   [<ffffffff81236256>] deactivate_super+0x46/0x60
>   [<ffffffff812582fd>] mntput_no_expire+0x17d/0x1f0
>   [<ffffffff81259c5d>] SyS_umount+0x9d/0x110
>   [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>
>-> (&delayed_node->mutex){+.+.-.} ops: 250816 {
>   HARDIRQ-ON-W at:
>                    [<ffffffff810f9479>] __lock_acquire+0x659/0x1c40
>                    [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                    [<ffffffff817d4687>] mutex_lock_nested+0x87/0x430
>                    [<ffffffffa01e2663>] btrfs_delete_delayed_dir_index+0x83/0x200 [btrfs]
>                    [<ffffffffa019523f>] btrfs_unlink_subvol+0x17f/0x360 [btrfs]
>                    [<ffffffffa01be55a>] btrfs_ioctl_snap_destroy+0x47a/0x770 [btrfs]
>                    [<ffffffffa01c42eb>] btrfs_ioctl+0x1c3b/0x2e10 [btrfs]
>                    [<ffffffff81248750>] do_vfs_ioctl+0x300/0x520
>                    [<ffffffff81248a11>] SyS_ioctl+0xa1/0xc0
>                    [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>   SOFTIRQ-ON-W at:
>                    [<ffffffff810f94af>] __lock_acquire+0x68f/0x1c40
>                    [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                    [<ffffffff817d4687>] mutex_lock_nested+0x87/0x430
>                    [<ffffffffa01e2663>] btrfs_delete_delayed_dir_index+0x83/0x200 [btrfs]
>                    [<ffffffffa019523f>] btrfs_unlink_subvol+0x17f/0x360 [btrfs]
>                    [<ffffffffa01be55a>] btrfs_ioctl_snap_destroy+0x47a/0x770 [btrfs]
>                    [<ffffffffa01c42eb>] btrfs_ioctl+0x1c3b/0x2e10 [btrfs]
>                    [<ffffffff81248750>] do_vfs_ioctl+0x300/0x520
>                    [<ffffffff81248a11>] SyS_ioctl+0xa1/0xc0
>                    [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
>   IN-RECLAIM_FS-W at:
>                       [<ffffffff810f93d4>] __lock_acquire+0x5b4/0x1c40
>                       [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                       [<ffffffff817d4687>] mutex_lock_nested+0x87/0x430
>                       [<ffffffffa01e09ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>                       [<ffffffffa01e22a4>] btrfs_remove_delayed_node+0x24/0x30 [btrfs]
>                       [<ffffffffa0196eee>] btrfs_evict_inode+0x1ae/0x5d0 [btrfs]
>                       [<ffffffff81252473>] evict+0xa3/0x1a0
>                       [<ffffffff812525ae>] dispose_list+0x3e/0x50
>                       [<ffffffff812535c6>] prune_icache_sb+0x56/0x80
>                       [<ffffffff81236cd8>] super_cache_scan+0x108/0x180
>                       [<ffffffff811c424b>] shrink_slab_node+0x14b/0x440
>                       [<ffffffff811c45fe>] shrink_slab+0x8e/0x180
>                       [<ffffffff811c744d>] kswapd_shrink_zone+0x14d/0x1f0
>                       [<ffffffff811c9030>] kswapd+0x4b0/0xa60
>                       [<ffffffff810c43cf>] kthread+0xff/0x120
>                       [<ffffffff817e2cfc>] ret_from_fork+0x7c/0xb0
>   INITIAL USE at:
>                   [<ffffffff810f9167>] __lock_acquire+0x347/0x1c40
>                   [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>                   [<ffffffff817d4687>] mutex_lock_nested+0x87/0x430
>                   [<ffffffffa01e2663>] btrfs_delete_delayed_dir_index+0x83/0x200 [btrfs]
>                   [<ffffffffa019523f>] btrfs_unlink_subvol+0x17f/0x360 [btrfs]
>                   [<ffffffffa01be55a>] btrfs_ioctl_snap_destroy+0x47a/0x770 [btrfs]
>                   [<ffffffffa01c42eb>] btrfs_ioctl+0x1c3b/0x2e10 [btrfs]
>                   [<ffffffff81248750>] do_vfs_ioctl+0x300/0x520
>                   [<ffffffff81248a11>] SyS_ioctl+0xa1/0xc0
>                   [<ffffffff817e2da9>] system_call_fastpath+0x16/0x1b
> }
> ... key      at: [<ffffffffa0220738>] __key.37530+0x0/0xfffffffffffe18c8 [btrfs]
> ... acquired at:
>   [<ffffffff810f7dea>] check_usage_forwards+0x16a/0x180
>   [<ffffffff810f8657>] mark_lock+0x1a7/0x2b0
>   [<ffffffff810f93d4>] __lock_acquire+0x5b4/0x1c40
>   [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
>   [<ffffffff817d4687>] mutex_lock_nested+0x87/0x430
>   [<ffffffffa01e09ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
>   [<ffffffffa01e22a4>] btrfs_remove_delayed_node+0x24/0x30 [btrfs]
>   [<ffffffffa0196eee>] btrfs_evict_inode+0x1ae/0x5d0 [btrfs]
>   [<ffffffff81252473>] evict+0xa3/0x1a0
>   [<ffffffff812525ae>] dispose_list+0x3e/0x50
>   [<ffffffff812535c6>] prune_icache_sb+0x56/0x80
>   [<ffffffff81236cd8>] super_cache_scan+0x108/0x180
>   [<ffffffff811c424b>] shrink_slab_node+0x14b/0x440
>   [<ffffffff811c45fe>] shrink_slab+0x8e/0x180
>   [<ffffffff811c744d>] kswapd_shrink_zone+0x14d/0x1f0
>   [<ffffffff811c9030>] kswapd+0x4b0/0xa60
>   [<ffffffff810c43cf>] kthread+0xff/0x120
>   [<ffffffff817e2cfc>] ret_from_fork+0x7c/0xb0
>
>
>stack backtrace:
>CPU: 0 PID: 30 Comm: kswapd0 Not tainted 3.14.0-0.rc1.git1.1.fc21.x86_64 #1
>Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
> 0000000000000000 000000008ae747be ffff88007f3f9718 ffffffff817cef2d
> ffffffff82a1fec0 ffff88007f3f9758 ffffffff817ca5c6 ffffffff81a4d7ec
> 0000000000000000 ffff880079ead7f0 ffff880079eacc50 ffffffff81a4d7ec
>Call Trace:
> [<ffffffff817cef2d>] dump_stack+0x4d/0x66
> [<ffffffff817ca5c6>] print_irq_inversion_bug.part.42+0x1ac/0x1b8
> [<ffffffff810f7dea>] check_usage_forwards+0x16a/0x180
> [<ffffffff810f7c80>] ? check_usage_backwards+0x180/0x180
> [<ffffffff810f8657>] mark_lock+0x1a7/0x2b0
> [<ffffffff810f93d4>] __lock_acquire+0x5b4/0x1c40
> [<ffffffff810f8819>] ? mark_held_locks+0xb9/0x140
> [<ffffffff817d818c>] ? _raw_spin_unlock_irq+0x2c/0x40
> [<ffffffff810f8a7d>] ? trace_hardirqs_on+0xd/0x10
> [<ffffffff817d818c>] ? _raw_spin_unlock_irq+0x2c/0x40
> [<ffffffff810ceeed>] ? finish_task_switch+0x7d/0x130
> [<ffffffff810ceeaf>] ? finish_task_switch+0x3f/0x130
> [<ffffffff810fb252>] lock_acquire+0xa2/0x1d0
> [<ffffffffa01e09ad>] ? __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
> [<ffffffff817d4687>] mutex_lock_nested+0x87/0x430
> [<ffffffffa01e09ad>] ? __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
> [<ffffffff810dd26d>] ? sched_clock_local+0x1d/0x80
> [<ffffffffa01e09ad>] ? __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
> [<ffffffffa0196ec5>] ? btrfs_evict_inode+0x185/0x5d0 [btrfs]
> [<ffffffff810dd4b8>] ? sched_clock_cpu+0xa8/0xd0
> [<ffffffff810dd536>] ? local_clock+0x16/0x30
> [<ffffffffa01e09ad>] __btrfs_release_delayed_node+0x3d/0x1f0 [btrfs]
> [<ffffffffa01e22a4>] btrfs_remove_delayed_node+0x24/0x30 [btrfs]
> [<ffffffffa0196eee>] btrfs_evict_inode+0x1ae/0x5d0 [btrfs]
> [<ffffffff81252473>] evict+0xa3/0x1a0
> [<ffffffff812525ae>] dispose_list+0x3e/0x50
> [<ffffffff812535c6>] prune_icache_sb+0x56/0x80
> [<ffffffff81236cd8>] super_cache_scan+0x108/0x180
> [<ffffffff811c424b>] shrink_slab_node+0x14b/0x440
> [<ffffffff811c45af>] ? shrink_slab+0x3f/0x180
> [<ffffffff811c45fe>] shrink_slab+0x8e/0x180
> [<ffffffff811c744d>] kswapd_shrink_zone+0x14d/0x1f0
> [<ffffffff811c9030>] kswapd+0x4b0/0xa60
> [<ffffffff811c8b80>] ? mem_cgroup_shrink_node_zone+0x2f0/0x2f0
> [<ffffffff810c43cf>] kthread+0xff/0x120
> [<ffffffff810c42d0>] ? insert_kthread_work+0x80/0x80
> [<ffffffff817e2cfc>] ret_from_fork+0x7c/0xb0
> [<ffffffff810c42d0>] ? insert_kthread_work+0x80/0x80
>JFS: nTxBlock = 8192, nTxLock = 65536
>fuse init (API version 7.22)
>SELinux: initialized (dev fusectl, type fusectl), uses genfs_contexts
>BTRFS: device label fedora devid 1 transid 17 /dev/vda3

Actions: View

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