On Tue, Feb 3, 2015 at 10:14 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > On Wed, Jan 21, 2015 at 10:42 PM, Chris Mason <clm@xxxxxx> wrote: >> On Wed, Jan 21, 2015 at 09:13:13PM +1100, Dave Chinner wrote: >>> On Mon, Dec 22, 2014 at 07:16:25PM -0500, Chris Mason wrote: >>> > The 3.19 merge window brought in a great new warning to catch someone >>> > calling might_sleep with their state != TASK_RUNNING. The idea was to >>> > find buggy code locking mutexes after calling prepare_to_wait(), kind >>> > of like this: >>> > >>> > [ 445.464634] WARNING: CPU: 22 PID: 4367 at kernel/sched/core.c:7303 __might_sleep+0x9a/0xb0() >>> > [ 445.481699] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff81093f68>] prepare_to_wait_event+0x68/0x120 >>> >>> Hi Chris, >>> >>> This still isn't fixed in -rc5 - I'm hitting it multiple times in >>> every xfstests run I do. What's the current status of your fix? >> >> I worried this is going to have a perf hit, so I talked Jens into double >> checking it on one of his super high iop boxes. >> > > What happened here? > Did Jens finished his testing? > Was there a patch posted by Chris? > > As a feedback... > I retested with Linux v3.19-rc7 and fio v2.2.5 and the warning is gone. > > Is this due to...? > > commit 00845eb968ead28007338b2bb852b8beef816583 > "sched: don't cause task state changes in nested sleep debugging" > > Thanks. > I have done some more testing, also with a Linux v3.19-rc7 and block-loopmq patchset. Unfortunately, the warning still exists. - Sedat -
[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.19.0-rc7-1-loopmq-small (sedat.dilek@xxxxxxxxx@fambox) (gcc version 4.9.2 (Ubuntu 4.9.2-0ubuntu1~12.04) ) #1 SMP Tue Feb 3 10:42:00 CET 2015 [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.19.0-rc7-1-loopmq-small root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] Disabled fast string operations [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000003fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000040000000-0x00000000401fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000040200000-0x00000000d9c9efff] usable [ 0.000000] BIOS-e820: [mem 0x00000000d9c9f000-0x00000000dae7efff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000dae7f000-0x00000000daf9efff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000daf9f000-0x00000000daffefff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000dafff000-0x00000000daffffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000db000000-0x00000000df9fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed08000-0x00000000fed08fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ffd80000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fdfffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.6 present. [ 0.000000] DMI: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013 [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] AGP: No AGP bridge found [ 0.000000] e820: last_pfn = 0x11fe00 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 000000000 mask F80000000 write-back [ 0.000000] 1 base 080000000 mask FC0000000 write-back [ 0.000000] 2 base 0C0000000 mask FE0000000 write-back [ 0.000000] 3 base 0DC000000 mask FFC000000 uncachable [ 0.000000] 4 base 0DB000000 mask FFF000000 uncachable [ 0.000000] 5 base 100000000 mask FE0000000 write-back [ 0.000000] 6 base 11FE00000 mask FFFE00000 uncachable [ 0.000000] 7 base 0FFC00000 mask FFFC00000 write-protect [ 0.000000] 8 disabled [ 0.000000] 9 disabled [ 0.000000] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC [ 0.000000] e820: last_pfn = 0xdb000 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f00e0-0x000f00ef] mapped at [ffff8800000f00e0] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000097000] 97000 size 24576 [ 0.000000] reserving inaccessible SNB gfx pages [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x02cab000, 0x02cabfff] PGTABLE [ 0.000000] BRK [0x02cac000, 0x02cacfff] PGTABLE [ 0.000000] BRK [0x02cad000, 0x02cadfff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fc00000-0x11fdfffff] [ 0.000000] [mem 0x11fc00000-0x11fdfffff] page 2M [ 0.000000] BRK [0x02cae000, 0x02caefff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11fbfffff] [ 0.000000] [mem 0x100000000-0x11fbfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0xc0000000-0xd9c9efff] [ 0.000000] [mem 0xc0000000-0xd9bfffff] page 2M [ 0.000000] [mem 0xd9c00000-0xd9c9efff] page 4k [ 0.000000] BRK [0x02caf000, 0x02caffff] PGTABLE [ 0.000000] BRK [0x02cb0000, 0x02cb0fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0xdafff000-0xdaffffff] [ 0.000000] [mem 0xdafff000-0xdaffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fffffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x1fffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x20200000-0x3fffffff] [ 0.000000] [mem 0x20200000-0x3fffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x40200000-0xbfffffff] [ 0.000000] [mem 0x40200000-0xbfffffff] page 2M [ 0.000000] RAMDISK: [mem 0x37938000-0x37c93fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0100 000024 (v02 SECCSD) [ 0.000000] ACPI: XSDT 0x00000000DAFFE170 00008C (v01 SECCSD LH43STAR 00000002 PTEC 00000002) [ 0.000000] ACPI: FACP 0x00000000DAFEF000 00010C (v05 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: DSDT 0x00000000DAFF2000 0083AC (v02 SECCSD SNB-CPT 00000000 INTL 20061109) [ 0.000000] ACPI: FACS 0x00000000DAF47000 000040 [ 0.000000] ACPI: SLIC 0x00000000DAFFD000 000176 (v01 SECCSD LH43STAR 00000002 PTEC 00000001) [ 0.000000] ACPI: SSDT 0x00000000DAFFB000 001068 (v01 SECCSD PtidDevc 00001000 INTL 20061109) [ 0.000000] ACPI: ASF! 0x00000000DAFF1000 0000A5 (v32 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: HPET 0x00000000DAFEE000 000038 (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: APIC 0x00000000DAFED000 000098 (v03 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: MCFG 0x00000000DAFEC000 00003C (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: SSDT 0x00000000DAFEB000 000804 (v01 PmRef Cpu0Ist 00003000 INTL 20061109) [ 0.000000] ACPI: SSDT 0x00000000DAFEA000 000996 (v01 PmRef CpuPm 00003000 INTL 20061109) [ 0.000000] ACPI: UEFI 0x00000000DAFE9000 00003E (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: UEFI 0x00000000DAFE8000 000042 (v01 PTL COMBUF 00000001 PTL 00000001) [ 0.000000] ACPI: UEFI 0x00000000DAFE7000 00026A (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: SSDT 0x00000000DAFE6000 0000D0 (v01 Iffs IffsAsl 00003000 INTL 20061109) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fdfffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x11fdf8000-0x11fdfcfff] [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b400000-ffff88011f3fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal [mem 0x100000000-0x11fdfffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009cfff] [ 0.000000] node 0: [mem 0x00100000-0x1fffffff] [ 0.000000] node 0: [mem 0x20200000-0x3fffffff] [ 0.000000] node 0: [mem 0x40200000-0xd9c9efff] [ 0.000000] node 0: [mem 0xdafff000-0xdaffffff] [ 0.000000] node 0: [mem 0x100000000-0x11fdfffff] [ 0.000000] Initmem setup node 0 [mem 0x00001000-0x11fdfffff] [ 0.000000] On node 0 totalpages: 1021500 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 156 pages reserved [ 0.000000] DMA zone: 3996 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 13859 pages used for memmap [ 0.000000] DMA32 zone: 886944 pages, LIFO batch:31 [ 0.000000] Normal zone: 2040 pages used for memmap [ 0.000000] Normal zone: 130560 pages, LIFO batch:31 [ 0.000000] Reserving Intel graphics stolen memory at 0xdba00000-0xdf9fffff [ 0.000000] ACPI: PM-Timer IO Port: 0x408 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x0e] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 14, version 32, 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 9 global_irq 9 high level) [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a301 base: 0xfed00000 [ 0.000000] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009d000-0x0009dfff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0x20000000-0x201fffff] [ 0.000000] PM: Registered nosave memory: [mem 0x40000000-0x401fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xd9c9f000-0xdae7efff] [ 0.000000] PM: Registered nosave memory: [mem 0xdae7f000-0xdaf9efff] [ 0.000000] PM: Registered nosave memory: [mem 0xdaf9f000-0xdaffefff] [ 0.000000] PM: Registered nosave memory: [mem 0xdb000000-0xdf9fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfa00000-0xf7ffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf8000000-0xfbffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfc000000-0xfebfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec01000-0xfed07fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed08000-0xfed08fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed09000-0xfed0ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed1a000-0xfed1bfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed20000-0xfedfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xffd7ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xffd80000-0xffffffff] [ 0.000000] e820: [mem 0xdfa00000-0xf7ffffff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:8 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 32 pages/cpu @ffff88011fa00000 s91456 r8192 d31424 u262144 [ 0.000000] pcpu-alloc: s91456 r8192 d31424 u262144 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 4 5 6 7 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1005381 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.19.0-rc7-1-loopmq-small root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form [ 0.000000] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] Memory: 3919084K/4086000K available (7596K kernel code, 1284K rwdata, 3372K rodata, 1384K init, 14360K bss, 166916K reserved, 0K cma-reserved) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=8. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 0.000000] NR_IRQS:16640 nr_irqs:488 16 [ 0.000000] Console: colour dummy device 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: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8159 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 1596.534 MHz processor [ 0.000075] Calibrating delay loop (skipped), value calculated using timer frequency.. 3193.06 BogoMIPS (lpj=6386136) [ 0.000083] pid_max: default: 32768 minimum: 301 [ 0.000107] ACPI: Core revision 20141107 [ 0.018216] ACPI: All ACPI Tables successfully acquired [ 0.020003] Security Framework initialized [ 0.020015] AppArmor: AppArmor initialized [ 0.020019] Yama: becoming mindful. [ 0.020951] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.022227] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.022705] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.022724] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.023747] Initializing cgroup subsys memory [ 0.023763] Initializing cgroup subsys devices [ 0.023792] Initializing cgroup subsys freezer [ 0.023819] Initializing cgroup subsys blkio [ 0.023826] Initializing cgroup subsys perf_event [ 0.023835] Initializing cgroup subsys hugetlb [ 0.023909] Disabled fast string operations [ 0.023913] CPU: Physical Processor ID: 0 [ 0.023916] CPU: Processor Core ID: 0 [ 0.023923] ENERGY_PERF_BIAS: Set to 'normal', was 'performance' [ 0.023923] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8) [ 0.023932] mce: CPU supports 7 MCE banks [ 0.023946] CPU0: Thermal monitoring enabled (TM1) [ 0.023966] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8 [ 0.023966] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0 [ 0.024165] Freeing SMP alternatives memory: 24K (ffffffff81e9d000 - ffffffff81ea3000) [ 0.025481] ftrace: allocating 28220 entries in 111 pages [ 0.042117] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.081785] smpboot: CPU0: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz (fam: 06, model: 2a, stepping: 07) [ 0.081800] TSC deadline timer enabled [ 0.081843] Performance Events: PEBS fmt1+, 16-deep LBR, SandyBridge events, full-width counters, Intel PMU driver. [ 0.081880] ... version: 3 [ 0.081883] ... bit width: 48 [ 0.081886] ... generic registers: 4 [ 0.081889] ... value mask: 0000ffffffffffff [ 0.081892] ... max period: 0000ffffffffffff [ 0.081895] ... fixed-purpose events: 3 [ 0.081897] ... event mask: 000000070000000f [ 0.083447] x86: Booting SMP configuration: [ 0.083452] .... node #0, CPUs: #1 [ 0.094406] Disabled fast string operations [ 0.096861] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter. [ 0.097260] #2 [ 0.108208] Disabled fast string operations [ 0.110683] #3<6>[ 0.121633] Disabled fast string operations [ 0.123786] x86: Booted up 1 node, 4 CPUs [ 0.123794] smpboot: Total of 4 processors activated (12772.27 BogoMIPS) [ 0.128482] devtmpfs: initialized [ 0.133651] evm: security.selinux [ 0.133656] evm: security.SMACK64 [ 0.133658] evm: security.capability [ 0.133800] PM: Registering ACPI NVS region [mem 0xdae7f000-0xdaf9efff] (1179648 bytes) [ 0.135204] NET: Registered protocol family 16 [ 0.143900] cpuidle: using governor ladder [ 0.154366] cpuidle: using governor menu [ 0.154521] ACPI: bus type PCI registered [ 0.154774] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000) [ 0.154782] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820 [ 0.154912] PCI: Using configuration type 1 for base access [ 0.171786] ACPI: Added _OSI(Module Device) [ 0.171792] ACPI: Added _OSI(Processor Device) [ 0.171796] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.171800] ACPI: Added _OSI(Processor Aggregator Device) [ 0.183557] ACPI: Executed 1 blocks of module-level executable AML code [ 0.190415] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored [ 0.192034] ACPI: Dynamic OEM Table Load: [ 0.192058] ACPI: SSDT 0xFFFF88011A7B0800 000688 (v01 PmRef Cpu0Cst 00003001 INTL 20061109) [ 0.194048] ACPI: Dynamic OEM Table Load: [ 0.194069] ACPI: SSDT 0xFFFF88011A7A9800 000303 (v01 PmRef ApIst 00003000 INTL 20061109) [ 0.195923] ACPI: Dynamic OEM Table Load: [ 0.195943] ACPI: SSDT 0xFFFF88011A7B1E00 000119 (v01 PmRef ApCst 00003000 INTL 20061109) [ 0.200277] ACPI: Interpreter enabled [ 0.200298] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20141107/hwxface-580) [ 0.200348] ACPI: (supports S0 S1 S3 S4 S5) [ 0.200352] ACPI: Using IOAPIC for interrupt routing [ 0.200411] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.217424] ACPI: Power Resource [FN00] (off) [ 0.217785] ACPI: Power Resource [FN01] (off) [ 0.218056] ACPI: Power Resource [FN02] (off) [ 0.218325] ACPI: Power Resource [FN03] (off) [ 0.218592] ACPI: Power Resource [FN04] (off) [ 0.220617] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e]) [ 0.220628] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.221103] \_SB_.PCI0:_OSC invalid UUID [ 0.221105] _OSC request data:1 1f 0 [ 0.221111] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM [ 0.222301] PCI host bridge to bus 0000:00 [ 0.222307] pci_bus 0000:00: root bus resource [bus 00-3e] [ 0.222312] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7] [ 0.222316] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff] [ 0.222320] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff] [ 0.222324] pci_bus 0000:00: root bus resource [mem 0xdfa00000-0xfeafffff] [ 0.222329] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff] [ 0.222377] pci 0000:00:00.0: [8086:0104] type 00 class 0x060000 [ 0.222711] pci 0000:00:02.0: [8086:0116] type 00 class 0x030000 [ 0.222731] pci 0000:00:02.0: reg 0x10: [mem 0xf0000000-0xf03fffff 64bit] [ 0.222742] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref] [ 0.222750] pci 0000:00:02.0: reg 0x20: [io 0x3000-0x303f] [ 0.223140] pci 0000:00:16.0: [8086:1c3a] type 00 class 0x078000 [ 0.223182] pci 0000:00:16.0: reg 0x10: [mem 0xf0705000-0xf070500f 64bit] [ 0.223329] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold [ 0.223632] pci 0000:00:1a.0: [8086:1c2d] type 00 class 0x0c0320 [ 0.223670] pci 0000:00:1a.0: reg 0x10: [mem 0xf070a000-0xf070a3ff] [ 0.223845] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold [ 0.224120] pci 0000:00:1b.0: [8086:1c20] type 00 class 0x040300 [ 0.224155] pci 0000:00:1b.0: reg 0x10: [mem 0xf0700000-0xf0703fff 64bit] [ 0.224326] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold [ 0.224476] pci 0000:00:1b.0: System wakeup disabled by ACPI [ 0.224612] pci 0000:00:1c.0: [8086:1c10] type 01 class 0x060400 [ 0.224784] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.224921] pci 0000:00:1c.0: System wakeup disabled by ACPI [ 0.225059] pci 0000:00:1c.3: [8086:1c16] type 01 class 0x060400 [ 0.225231] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold [ 0.225364] pci 0000:00:1c.3: System wakeup disabled by ACPI [ 0.225500] pci 0000:00:1c.4: [8086:1c18] type 01 class 0x060400 [ 0.225678] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold [ 0.225950] pci 0000:00:1d.0: [8086:1c26] type 00 class 0x0c0320 [ 0.225988] pci 0000:00:1d.0: reg 0x10: [mem 0xf0709000-0xf07093ff] [ 0.226163] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold [ 0.226419] pci 0000:00:1f.0: [8086:1c49] type 00 class 0x060100 [ 0.226827] pci 0000:00:1f.2: [8086:1c03] type 00 class 0x010601 [ 0.226868] pci 0000:00:1f.2: reg 0x10: [io 0x3088-0x308f] [ 0.226884] pci 0000:00:1f.2: reg 0x14: [io 0x3094-0x3097] [ 0.226901] pci 0000:00:1f.2: reg 0x18: [io 0x3080-0x3087] [ 0.226917] pci 0000:00:1f.2: reg 0x1c: [io 0x3090-0x3093] [ 0.226933] pci 0000:00:1f.2: reg 0x20: [io 0x3060-0x307f] [ 0.226949] pci 0000:00:1f.2: reg 0x24: [mem 0xf0708000-0xf07087ff] [ 0.227062] pci 0000:00:1f.2: PME# supported from D3hot [ 0.227309] pci 0000:00:1f.3: [8086:1c22] type 00 class 0x0c0500 [ 0.227341] pci 0000:00:1f.3: reg 0x10: [mem 0xf0704000-0xf07040ff 64bit] [ 0.227386] pci 0000:00:1f.3: reg 0x20: [io 0xefa0-0xefbf] [ 0.228087] pci 0000:01:00.0: [8086:0091] type 00 class 0x028000 [ 0.228462] pci 0000:01:00.0: reg 0x10: [mem 0xf0600000-0xf0601fff 64bit] [ 0.230175] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.230479] pci 0000:01:00.0: System wakeup disabled by ACPI [ 0.236197] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.236211] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff] [ 0.236449] pci 0000:02:00.0: [10ec:8168] type 00 class 0x020000 [ 0.236541] pci 0000:02:00.0: reg 0x10: [io 0x2000-0x20ff] [ 0.236678] pci 0000:02:00.0: reg 0x18: [mem 0xf0404000-0xf0404fff 64bit pref] [ 0.236763] pci 0000:02:00.0: reg 0x20: [mem 0xf0400000-0xf0403fff 64bit pref] [ 0.237238] pci 0000:02:00.0: supports D1 D2 [ 0.237240] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold [ 0.237396] pci 0000:02:00.0: System wakeup disabled by ACPI [ 0.244091] pci 0000:00:1c.3: PCI bridge to [bus 02] [ 0.244100] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff] [ 0.244115] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref] [ 0.244322] pci 0000:03:00.0: [1b21:1042] type 00 class 0x0c0330 [ 0.244370] pci 0000:03:00.0: reg 0x10: [mem 0xf0500000-0xf0507fff 64bit] [ 0.244617] pci 0000:03:00.0: PME# supported from D3hot D3cold [ 0.244860] pci 0000:00:1c.4: PCI bridge to [bus 03] [ 0.244873] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff] [ 0.246537] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 10 *11 12 14 15) [ 0.246676] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled. [ 0.246815] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 *10 11 12 14 15) [ 0.246949] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 *10 11 12 14 15) [ 0.247084] ACPI: PCI Interrupt Link [LNKE] (IRQs 1 3 4 5 6 10 11 12 14 15) *9 [ 0.247217] ACPI: PCI Interrupt Link [LNKF] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled. [ 0.247353] ACPI: PCI Interrupt Link [LNKG] (IRQs 1 3 4 5 6 10 *11 12 14 15) [ 0.247486] ACPI: PCI Interrupt Link [LNKH] (IRQs 1 3 4 5 6 10 11 12 14 15) *9 [ 0.248627] ACPI: Enabled 4 GPEs in block 00 to 3F [ 0.248750] ACPI : EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62 [ 0.249121] ACPI : EC: 0 stale EC events cleared [ 0.249742] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 0.249747] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.249758] vgaarb: loaded [ 0.249761] vgaarb: bridge control possible 0000:00:02.0 [ 0.250391] SCSI subsystem initialized [ 0.250533] libata version 3.00 loaded. [ 0.250607] ACPI: bus type USB registered [ 0.250665] usbcore: registered new interface driver usbfs [ 0.250699] usbcore: registered new interface driver hub [ 0.250762] usbcore: registered new device driver usb [ 0.251139] PCI: Using ACPI for IRQ routing [ 0.254708] PCI: pci_cache_line_size set to 64 bytes [ 0.254834] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff] [ 0.254841] e820: reserve RAM buffer [mem 0xd9c9f000-0xdbffffff] [ 0.254844] e820: reserve RAM buffer [mem 0xdb000000-0xdbffffff] [ 0.254846] e820: reserve RAM buffer [mem 0x11fe00000-0x11fffffff] [ 0.255468] NetLabel: Initializing [ 0.255473] NetLabel: domain hash size = 128 [ 0.255475] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.255525] NetLabel: unlabeled traffic allowed by default [ 0.255688] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.255699] hpet0: 8 comparators, 64-bit 14.318180 MHz counter [ 0.257786] Switched to clocksource hpet [ 0.296662] AppArmor: AppArmor Filesystem Enabled [ 0.296883] pnp: PnP ACPI init [ 0.297476] system 00:00: [io 0x0680-0x069f] has been reserved [ 0.297483] system 00:00: [io 0x1000-0x100f] has been reserved [ 0.297488] system 00:00: [io 0x5000-0x5003] has been reserved [ 0.297493] system 00:00: [io 0xffff] has been reserved [ 0.297498] system 00:00: [io 0x0400-0x0453] could not be reserved [ 0.297503] system 00:00: [io 0x0458-0x047f] has been reserved [ 0.297507] system 00:00: [io 0x0500-0x057f] has been reserved [ 0.297512] system 00:00: [io 0x0a00-0x0a0f] has been reserved [ 0.297516] system 00:00: [io 0x164e-0x164f] has been reserved [ 0.297521] system 00:00: [io 0x5000-0x500f] could not be reserved [ 0.297553] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.297642] pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.297792] system 00:02: [io 0x0454-0x0457] has been reserved [ 0.297800] system 00:02: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active) [ 0.297889] pnp 00:03: Plug and Play ACPI device, IDs PNP0303 (active) [ 0.297995] pnp 00:04: Plug and Play ACPI device, IDs ETD0b00 SYN0002 PNP0f13 (active) [ 0.298346] system 00:05: [mem 0xfed1c000-0xfed1ffff] has been reserved [ 0.298352] system 00:05: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.298357] system 00:05: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.298362] system 00:05: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.298367] system 00:05: [mem 0xf8000000-0xfbffffff] has been reserved [ 0.298372] system 00:05: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.298376] system 00:05: [mem 0xfed90000-0xfed93fff] has been reserved [ 0.298381] system 00:05: [mem 0xfed45000-0xfed8ffff] has been reserved [ 0.298387] system 00:05: [mem 0xff000000-0xffffffff] could not be reserved [ 0.298392] system 00:05: [mem 0xfee00000-0xfeefffff] could not be reserved [ 0.298399] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.299204] system 00:06: Plug and Play ACPI device, IDs PNP0c01 (active) [ 0.299261] pnp: PnP ACPI: found 7 devices [ 0.309367] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.309381] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff] [ 0.309398] pci 0000:00:1c.3: PCI bridge to [bus 02] [ 0.309404] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff] [ 0.309418] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref] [ 0.309431] pci 0000:00:1c.4: PCI bridge to [bus 03] [ 0.309441] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff] [ 0.309459] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7] [ 0.309461] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff] [ 0.309463] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff] [ 0.309465] pci_bus 0000:00: resource 7 [mem 0xdfa00000-0xfeafffff] [ 0.309467] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed44fff] [ 0.309469] pci_bus 0000:01: resource 1 [mem 0xf0600000-0xf06fffff] [ 0.309472] pci_bus 0000:02: resource 0 [io 0x2000-0x2fff] [ 0.309474] pci_bus 0000:02: resource 2 [mem 0xf0400000-0xf04fffff 64bit pref] [ 0.309476] pci_bus 0000:03: resource 1 [mem 0xf0500000-0xf05fffff] [ 0.309579] NET: Registered protocol family 2 [ 0.310036] TCP established hash table entries: 32768 (order: 6, 262144 bytes) [ 0.310478] TCP bind hash table entries: 32768 (order: 9, 2097152 bytes) [ 0.312724] TCP: Hash tables configured (established 32768 bind 32768) [ 0.312806] TCP: reno registered [ 0.312870] UDP hash table entries: 2048 (order: 6, 327680 bytes) [ 0.313221] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes) [ 0.313815] NET: Registered protocol family 1 [ 0.313844] pci 0000:00:02.0: Video device with shadowed ROM [ 0.315293] PCI: CLS 64 bytes, default 64 [ 0.315523] Trying to unpack rootfs image as initramfs... [ 0.394210] Freeing initrd memory: 3440K (ffff880037938000 - ffff880037c94000) [ 0.394287] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.394293] software IO TLB [mem 0xd5c9f000-0xd9c9f000] (64MB) mapped at [ffff8800d5c9f000-ffff8800d9c9efff] [ 0.394958] RAPL PMU detected, hw unit 2^-16 Joules, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer [ 0.395157] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x28 [ 0.395177] microcode: CPU1 sig=0x206a7, pf=0x10, revision=0x28 [ 0.395200] microcode: CPU2 sig=0x206a7, pf=0x10, revision=0x28 [ 0.395220] microcode: CPU3 sig=0x206a7, pf=0x10, revision=0x28 [ 0.395379] microcode: Microcode Update Driver: v2.00 <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba [ 0.395441] Scanning for low memory corruption every 60 seconds [ 0.396610] futex hash table entries: 2048 (order: 6, 262144 bytes) [ 0.396774] Initialise system trusted keyring [ 0.396897] audit: initializing netlink subsys (disabled) [ 0.396967] audit: type=2000 audit(1422960320.392:1): initialized [ 0.397864] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.398320] VFS: Disk quotas dquot_6.5.2 [ 0.398358] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.399190] fuse init (API version 7.23) [ 0.400271] Key type asymmetric registered [ 0.400291] Asymmetric key parser 'x509' registered [ 0.400345] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) [ 0.400479] io scheduler noop registered [ 0.400486] io scheduler deadline registered (default) [ 0.400517] io scheduler cfq registered [ 0.400522] start plist test [ 0.403097] end plist test [ 0.404079] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.404206] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.404397] intel_idle: MWAIT substates: 0x21120 [ 0.404398] intel_idle: v0.4 model 0x2A [ 0.404400] intel_idle: lapic_timer_reliable_states 0xffffffff [ 0.405980] ACPI: AC Adapter [ADP1] (on-line) [ 0.406738] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0 [ 0.406781] ACPI: Lid Switch [LID0] [ 0.406902] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 0.406943] ACPI: Power Button [PWRB] [ 0.407064] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2 [ 0.407072] ACPI: Power Button [PWRF] [ 0.410145] thermal LNXTHERM:00: registered as thermal_zone0 [ 0.410151] ACPI: Thermal Zone [TZ00] (74 C) [ 0.410741] thermal LNXTHERM:01: registered as thermal_zone1 [ 0.410746] ACPI: Thermal Zone [TZ01] (30 C) [ 0.410852] GHES: HEST is not enabled! [ 0.411182] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 0.418667] ACPI: Battery Slot [BAT1] (battery present) [ 0.419225] Linux agpgart interface v0.103 [ 0.423895] brd: module loaded [ 0.427610] loop: module loaded [ 0.432120] ahci 0000:00:1f.2: version 3.0 [ 0.432453] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled [ 0.432510] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x1b impl SATA mode [ 0.432517] ahci 0000:00:1f.2: flags: 64bit ncq sntf ilck stag pm led clo pio slum part ems sxs apst [ 0.455766] scsi host0: ahci [ 0.456298] scsi host1: ahci [ 0.456684] scsi host2: ahci [ 0.457076] scsi host3: ahci [ 0.457392] scsi host4: ahci [ 0.457694] scsi host5: ahci [ 0.457852] ata1: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708100 irq 25 [ 0.457859] ata2: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708180 irq 25 [ 0.457863] ata3: DUMMY [ 0.457867] ata4: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708280 irq 25 [ 0.457873] ata5: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708300 irq 25 [ 0.457877] ata6: DUMMY [ 0.459146] libphy: Fixed MDIO Bus: probed [ 0.459465] tun: Universal TUN/TAP device driver, 1.6 [ 0.459469] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx> [ 0.459637] PPP generic driver version 2.4.2 [ 0.459988] xhci_hcd 0000:03:00.0: xHCI Host Controller [ 0.460149] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 1 [ 0.470478] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.470483] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.470487] usb usb1: Product: xHCI Host Controller [ 0.470490] usb usb1: Manufacturer: Linux 3.19.0-rc7-1-loopmq-small xhci-hcd [ 0.470494] usb usb1: SerialNumber: 0000:03:00.0 [ 0.471186] hub 1-0:1.0: USB hub found [ 0.471245] hub 1-0:1.0: 2 ports detected [ 0.472011] xhci_hcd 0000:03:00.0: xHCI Host Controller [ 0.472022] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 2 [ 0.472170] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003 [ 0.472174] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.472178] usb usb2: Product: xHCI Host Controller [ 0.472181] usb usb2: Manufacturer: Linux 3.19.0-rc7-1-loopmq-small xhci-hcd [ 0.472185] usb usb2: SerialNumber: 0000:03:00.0 [ 0.472612] hub 2-0:1.0: USB hub found [ 0.472658] hub 2-0:1.0: 2 ports detected [ 0.473001] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.473006] ehci-pci: EHCI PCI platform driver [ 0.473267] ehci-pci 0000:00:1a.0: EHCI Host Controller [ 0.473286] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 3 [ 0.473311] ehci-pci 0000:00:1a.0: debug port 2 [ 0.477234] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported [ 0.477265] ehci-pci 0000:00:1a.0: irq 16, io mem 0xf070a000 [ 0.485673] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00 [ 0.485782] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.485787] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.485791] usb usb3: Product: EHCI Host Controller [ 0.485794] usb usb3: Manufacturer: Linux 3.19.0-rc7-1-loopmq-small ehci_hcd [ 0.485797] usb usb3: SerialNumber: 0000:00:1a.0 [ 0.486207] hub 3-0:1.0: USB hub found [ 0.486225] hub 3-0:1.0: 2 ports detected [ 0.486811] ehci-pci 0000:00:1d.0: EHCI Host Controller [ 0.486826] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 4 [ 0.486848] ehci-pci 0000:00:1d.0: debug port 2 [ 0.490744] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported [ 0.490768] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf0709000 [ 0.501633] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ 0.501739] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.501743] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.501747] usb usb4: Product: EHCI Host Controller [ 0.501750] usb usb4: Manufacturer: Linux 3.19.0-rc7-1-loopmq-small ehci_hcd [ 0.501753] usb usb4: SerialNumber: 0000:00:1d.0 [ 0.502123] hub 4-0:1.0: USB hub found [ 0.502143] hub 4-0:1.0: 2 ports detected [ 0.502436] ehci-platform: EHCI generic platform driver [ 0.502460] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.502474] ohci-pci: OHCI PCI platform driver [ 0.502505] ohci-platform: OHCI generic platform driver [ 0.502526] uhci_hcd: USB Universal Host Controller Interface driver [ 0.502630] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:EPAD] at 0x60,0x64 irq 1,12 [ 0.509719] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.509768] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.510378] mousedev: PS/2 mouse device common for all mice [ 0.511586] rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0 [ 0.511627] rtc_cmos 00:01: alarms up to one month, y3k, 242 bytes nvram, hpet irqs [ 0.511722] device-mapper: uevent: version 1.0.3 [ 0.511923] device-mapper: ioctl: 4.29.0-ioctl (2014-10-28) initialised: dm-devel@xxxxxxxxxx [ 0.511952] Intel P-state driver initializing. [ 0.512547] ledtrig-cpu: registered to indicate activity on CPUs [ 0.512679] TCP: cubic registered [ 0.512910] NET: Registered protocol family 10 [ 0.513700] NET: Registered protocol family 17 [ 0.513723] Key type dns_resolver registered [ 0.514790] Loading compiled-in X.509 certificates [ 0.516100] Loaded X.509 cert 'Magrathea: Glacier signing key: 1805abcf66ce65b2b43fff07867648fc779df8cc' [ 0.516146] registered taskstats version 1 [ 0.517929] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3 [ 0.521708] Key type trusted registered [ 0.529668] Key type encrypted registered [ 0.529682] AppArmor: AppArmor sha1 policy hashing enabled [ 0.529688] evm: HMAC attrs: 0x1 [ 0.530547] rtc_cmos 00:01: setting system clock to 2015-02-03 10:45:21 UTC (1422960321) [ 0.530696] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 0.530708] EDD information not available. [ 0.777590] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 0.778897] ata1.00: ATA-8: Hitachi HTS545050A7E380, GG2OA6C0, max UDMA/133 [ 0.778915] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 0.780284] ata1.00: configured for UDMA/133 [ 0.781083] scsi 0:0:0:0: Direct-Access ATA Hitachi HTS54505 A6C0 PQ: 0 ANSI: 5 [ 0.782043] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB) [ 0.782055] sd 0:0:0:0: [sda] 4096-byte physical blocks [ 0.782194] sd 0:0:0:0: [sda] Write Protect is off [ 0.782202] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 0.782256] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 0.782746] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 0.795782] sda: sda1 sda2 sda3 [ 0.797141] sd 0:0:0:0: [sda] Attached SCSI disk [ 0.797546] usb 3-1: new high-speed USB device number 2 using ehci-pci [ 0.813587] usb 4-1: new high-speed USB device number 2 using ehci-pci [ 0.930544] usb 3-1: New USB device found, idVendor=8087, idProduct=0024 [ 0.930553] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 0.931444] hub 3-1:1.0: USB hub found [ 0.931823] hub 3-1:1.0: 6 ports detected [ 0.946093] usb 4-1: New USB device found, idVendor=8087, idProduct=0024 [ 0.946103] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 0.946643] hub 4-1:1.0: USB hub found [ 0.946854] hub 4-1:1.0: 6 ports detected [ 1.101358] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 1.101940] ata2.00: ATA-8: SanDisk iSSD P4 16GB, SSD 9.14, max UDMA/133 [ 1.101947] ata2.00: 31277232 sectors, multi 1: LBA48 [ 1.102664] ata2.00: configured for UDMA/133 [ 1.102944] scsi 1:0:0:0: Direct-Access ATA SanDisk iSSD P4 9.14 PQ: 0 ANSI: 5 [ 1.103702] sd 1:0:0:0: [sdb] 31277232 512-byte logical blocks: (16.0 GB/14.9 GiB) [ 1.103764] sd 1:0:0:0: Attached scsi generic sg1 type 0 [ 1.103984] sd 1:0:0:0: [sdb] Write Protect is off [ 1.103991] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 1.104071] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.105086] sdb: sdb1 sdb2 [ 1.105882] sd 1:0:0:0: [sdb] Attached SCSI disk [ 1.205623] usb 3-1.2: new high-speed USB device number 3 using ehci-pci [ 1.217605] usb 4-1.4: new low-speed USB device number 3 using ehci-pci [ 1.300938] usb 3-1.2: New USB device found, idVendor=12d1, idProduct=1436 [ 1.300947] usb 3-1.2: New USB device strings: Mfr=4, Product=3, SerialNumber=0 [ 1.300951] usb 3-1.2: Product: HUAWEI Mobile [ 1.300954] usb 3-1.2: Manufacturer: HUAWEI Technology [ 1.316045] usb 4-1.4: New USB device found, idVendor=046d, idProduct=c00e [ 1.316054] usb 4-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1.316058] usb 4-1.4: Product: USB-PS/2 Optical Mouse [ 1.316061] usb 4-1.4: Manufacturer: Logitech [ 1.377211] usb 3-1.4: new high-speed USB device number 4 using ehci-pci [ 1.389193] usb 4-1.5: new full-speed USB device number 4 using ehci-pci [ 1.393094] tsc: Refined TSC clocksource calibration: 1596.373 MHz [ 1.421132] ata4: SATA link down (SStatus 0 SControl 300) [ 1.486413] usb 4-1.5: New USB device found, idVendor=8086, idProduct=0189 [ 1.486423] usb 4-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.629592] usb 3-1.4: New USB device found, idVendor=2232, idProduct=1018 [ 1.629601] usb 3-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1.629606] usb 3-1.4: Product: WebCam SC-13HDL11431N [ 1.629609] usb 3-1.4: Manufacturer: 123 [ 1.740905] ata5: SATA link down (SStatus 0 SControl 300) [ 1.741761] Freeing unused kernel memory: 1384K (ffffffff81d43000 - ffffffff81e9d000) [ 1.741769] Write protecting the kernel read-only data: 12288k [ 1.742466] Freeing unused kernel memory: 584K (ffff88000176e000 - ffff880001800000) [ 1.742908] Freeing unused kernel memory: 724K (ffff880001b4b000 - ffff880001c00000) [ 1.775660] udevd[131]: starting version 175 [ 2.051999] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ 2.052028] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control [ 2.054422] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0xffffc9000067e000, e8:03:9a:36:17:a9, XID 0c900800 IRQ 31 [ 2.054437] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ 2.064571] usb-storage 3-1.2:1.0: USB Mass Storage device detected [ 2.068785] usbcore: registered new interface driver usbhid [ 2.068796] usbhid: USB HID core driver [ 2.068954] usb-storage 3-1.2:1.1: USB Mass Storage device detected [ 2.074874] usb-storage 3-1.2:1.2: USB Mass Storage device detected [ 2.078994] usb-storage 3-1.2:1.3: USB Mass Storage device detected [ 2.079528] usb-storage 3-1.2:1.4: USB Mass Storage device detected [ 2.080035] usb-storage 3-1.2:1.5: USB Mass Storage device detected [ 2.082445] scsi host11: usb-storage 3-1.2:1.5 [ 2.082776] usb-storage 3-1.2:1.6: USB Mass Storage device detected [ 2.086935] scsi host12: usb-storage 3-1.2:1.6 [ 2.088218] usbcore: registered new interface driver usb-storage [ 2.145428] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.4/4-1.4:1.0/0003:046D:C00E.0001/input/input6 [ 2.145888] hid-generic 0003:046D:C00E.0001: input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1.4/input0 [ 2.392921] Switched to clocksource tsc [ 2.825057] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null) [ 3.082273] scsi 11:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [ 3.086133] scsi 12:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2 [ 3.086628] sr 11:0:0:0: [sr0] scsi-1 drive [ 3.086635] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 3.087250] sr 11:0:0:0: Attached scsi CD-ROM sr0 [ 3.087470] sr 11:0:0:0: Attached scsi generic sg2 type 5 [ 3.088147] sd 12:0:0:0: Attached scsi generic sg3 type 0 [ 3.090708] sd 12:0:0:0: [sdc] Attached SCSI removable disk [ 3.566135] random: nonblocking pool is initialized [ 4.927369] init: ureadahead main process (425) terminated with status 5 [ 9.186683] Adding 262140k swap on /host/ubuntu/disks/swap.disk. Priority:-1 extents:1 across:262140k FS [ 9.356949] EXT4-fs (loop0): re-mounted. Opts: errors=remount-ro [ 9.508385] udevd[737]: starting version 175 [ 10.741522] lp: driver loaded but no devices found [ 12.982942] wmi: Mapper loaded [ 13.008344] ACPI Warning: SystemIO range 0x0000000000000428-0x000000000000042f conflicts with OpRegion 0x0000000000000400-0x000000000000047f (\PMIO) (20141107/utaddress-258) [ 13.008354] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.008360] ACPI Warning: SystemIO range 0x0000000000000540-0x000000000000054f conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20141107/utaddress-258) [ 13.008364] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.008366] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053f conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20141107/utaddress-258) [ 13.008370] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.008372] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052f conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20141107/utaddress-258) [ 13.008376] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.008377] lpc_ich: Resource conflict(s) found affecting gpio_ich [ 13.359373] samsung_laptop: detected SABI interface: SwSmi@ [ 13.359379] samsung_laptop: Backlight controlled by ACPI video driver [ 14.096472] Bluetooth: Core ver 2.20 [ 14.096521] NET: Registered protocol family 31 [ 14.096525] Bluetooth: HCI device and connection manager initialized [ 14.096609] Bluetooth: HCI socket layer initialized [ 14.096617] Bluetooth: L2CAP socket layer initialized [ 14.096657] Bluetooth: SCO socket layer initialized [ 14.272277] usbcore: registered new interface driver btusb [ 14.733999] [drm] Initialized drm 1.1.0 20060810 [ 14.919305] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f00) [ 14.934396] psmouse serio1: elantech: Synaptics capabilities query result 0x08, 0x17, 0x0c. [ 15.010235] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input7 [ 15.020048] cfg80211: Calling CRDA to update world regulatory domain [ 15.630808] usbcore: registered new interface driver usbserial [ 15.739966] audit: type=1400 audit(1422956736.718:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=1033 comm="apparmor_parser" [ 15.739976] audit: type=1400 audit(1422956736.718:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1033 comm="apparmor_parser" [ 15.739982] audit: type=1400 audit(1422956736.718:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=1033 comm="apparmor_parser" [ 15.740003] audit: type=1400 audit(1422956736.718:5): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=990 comm="apparmor_parser" [ 15.740013] audit: type=1400 audit(1422956736.718:6): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=990 comm="apparmor_parser" [ 15.740020] audit: type=1400 audit(1422956736.718:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=990 comm="apparmor_parser" [ 15.740637] audit: type=1400 audit(1422956736.718:8): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1033 comm="apparmor_parser" [ 15.740644] audit: type=1400 audit(1422956736.718:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1033 comm="apparmor_parser" [ 15.740664] audit: type=1400 audit(1422956736.718:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=990 comm="apparmor_parser" [ 15.740671] audit: type=1400 audit(1422956736.718:11): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=990 comm="apparmor_parser" [ 16.150189] cfg80211: World regulatory domain updated: [ 16.150194] cfg80211: DFS Master region: unset [ 16.150196] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 16.150200] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.150202] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.150204] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.150206] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.150208] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.697150] Bluetooth: RFCOMM TTY layer initialized [ 16.697164] Bluetooth: RFCOMM socket layer initialized [ 16.697181] Bluetooth: RFCOMM ver 1.11 [ 16.757344] init: failsafe main process (1081) killed by TERM signal [ 16.809837] usbcore: registered new interface driver option [ 16.811570] usbserial: USB Serial support registered for GSM modem (1-port) [ 16.811701] option 3-1.2:1.0: GSM modem (1-port) converter detected [ 16.814441] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB0 [ 16.814810] option 3-1.2:1.3: GSM modem (1-port) converter detected [ 16.815255] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB1 [ 16.815389] option 3-1.2:1.4: GSM modem (1-port) converter detected [ 16.815727] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB2 [ 16.907265] Intel(R) Wireless WiFi driver for Linux, in-tree: [ 16.907270] Copyright(c) 2003- 2014 Intel Corporation [ 16.907570] iwlwifi 0000:01:00.0: can't disable ASPM; OS doesn't have ASPM control [ 16.939617] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 16.939622] Bluetooth: BNEP filters: protocol multicast [ 16.939633] Bluetooth: BNEP socket layer initialized [ 17.996405] iwlwifi 0000:01:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm [ 18.563684] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUG disabled [ 18.563689] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUGFS enabled [ 18.563691] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled [ 18.563694] iwlwifi 0000:01:00.0: Detected Intel(R) Centrino(R) Advanced-N 6230 AGN, REV=0xB0 [ 18.564040] iwlwifi 0000:01:00.0: L1 Enabled - LTR Disabled [ 19.297272] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' [ 19.358069] ppdev: user-space parallel port driver [ 19.375514] Linux video capture interface: v2.00 [ 19.627194] cdc_ether 3-1.2:1.1 wwan0: register 'cdc_ether' at usb-0000:00:1a.0-1.2, Mobile Broadband Network Device, 02:50:f3:00:00:00 [ 19.627261] usbcore: registered new interface driver cdc_ether [ 20.078892] [drm] Memory usable by graphics device = 2048M [ 20.078950] [drm] Replacing VGA console driver [ 20.104038] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 20.104042] [drm] Driver supports precise vblank timestamp query. [ 20.104707] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 20.117015] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 20.117588] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input8 [ 20.118576] [drm] Initialized i915 1.6.0 20141121 for 0000:00:02.0 on minor 0 [ 20.130346] fbcon: inteldrmfb (fb0) is primary device [ 20.155515] uvcvideo: Found UVC 1.00 device WebCam SC-13HDL11431N (2232:1018) [ 20.175095] input: WebCam SC-13HDL11431N as /devices/pci0000:00/0000:00:1a.0/usb3/3-1/3-1.4/3-1.4:1.0/input/input9 [ 20.175468] usbcore: registered new interface driver uvcvideo [ 20.175469] USB Video Class driver (1.1.1) [ 20.212124] sound hdaudioC0D0: autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker [ 20.212127] sound hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 20.212129] sound hdaudioC0D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0) [ 20.212131] sound hdaudioC0D0: mono: mono_out=0x0 [ 20.212133] sound hdaudioC0D0: inputs: [ 20.212137] sound hdaudioC0D0: Internal Mic=0x19 [ 20.212141] sound hdaudioC0D0: Mic=0x18 [ 20.295945] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 [ 20.301009] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 [ 20.301363] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12 [ 21.159832] Console: switching to colour frame buffer device 170x48 [ 21.163053] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 21.163057] i915 0000:00:02.0: registered panic notifier [ 25.122378] r8169 0000:02:00.0 eth0: link down [ 25.122567] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 61.121533] usb 4-1.5: USB disconnect, device number 4 [ 83.165469] PPP BSD Compression module registered [ 83.170475] PPP Deflate Compression module registered [ 99.489363] show_signal_msg: 171 callbacks suppressed [ 99.489370] firefox[2622]: segfault at 7f91fe5c1b52 ip 00007f91bf826357 sp 00007fffbef47478 error 6 in libGL.so.1.2.0[7f91bf826000+bb000] [ 125.400798] bash (2714): drop_caches: 3 [ 166.192512] ------------[ cut here ]------------ [ 166.192522] WARNING: CPU: 0 PID: 2816 at kernel/sched/core.c:7300 __might_sleep+0xae/0xc0() [ 166.192527] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff810b856d>] prepare_to_wait_event+0x5d/0x110 [ 166.192528] Modules linked in: ppp_deflate bsd_comp ppp_async crc_ccitt snd_hda_codec_hdmi snd_hda_codec_realtek uvcvideo i915 snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec videobuf2_vmalloc videobuf2_memops videobuf2_core cdc_ether usbnet i2c_algo_bit v4l2_common snd_hwdep snd_pcm parport_pc videodev ppdev arc4 snd_seq_midi snd_seq_midi_event iwldvm mac80211 bnep iwlwifi option drm_kms_helper rfcomm joydev usb_wwan usbserial cfg80211 snd_rawmidi drm snd_seq btusb bluetooth psmouse snd_timer snd_seq_device snd samsung_laptop serio_raw video soundcore lpc_ich wmi intel_rst mac_hid lp parport binfmt_misc hid_generic usbhid usb_storage r8169 hid mii [ 166.192579] CPU: 0 PID: 2816 Comm: fio-2.2.5 Not tainted 3.19.0-rc7-1-loopmq-small #1 [ 166.192581] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013 [ 166.192583] ffffffff81a66e55 ffff880078c47c38 ffffffff8175bd3c 0000000000000000 [ 166.192587] ffff880078c47c88 ffff880078c47c78 ffffffff810755ea ffff880078c47d28 [ 166.192590] ffffffff81a67feb 000000000000026d 0000000000000000 0000000001ccfe20 [ 166.192594] Call Trace: [ 166.192600] [<ffffffff8175bd3c>] dump_stack+0x4c/0x65 [ 166.192605] [<ffffffff810755ea>] warn_slowpath_common+0x8a/0xc0 [ 166.192608] [<ffffffff81075666>] warn_slowpath_fmt+0x46/0x50 [ 166.192612] [<ffffffff810c2edd>] ? mark_held_locks+0x6d/0xa0 [ 166.192616] [<ffffffff81760f52>] ? mutex_lock_nested+0x2b2/0x4e0 [ 166.192618] [<ffffffff810b856d>] ? prepare_to_wait_event+0x5d/0x110 [ 166.192621] [<ffffffff810b856d>] ? prepare_to_wait_event+0x5d/0x110 [ 166.192623] [<ffffffff8109c64e>] __might_sleep+0xae/0xc0 [ 166.192626] [<ffffffff81760ccf>] mutex_lock_nested+0x2f/0x4e0 [ 166.192628] [<ffffffff810b8563>] ? prepare_to_wait_event+0x53/0x110 [ 166.192632] [<ffffffff8124417f>] aio_read_events+0x4f/0x2d0 [ 166.192635] [<ffffffff810c311d>] ? trace_hardirqs_on+0xd/0x10 [ 166.192638] [<ffffffff81244600>] read_events+0x200/0x320 [ 166.192641] [<ffffffff810b8450>] ? wait_woken+0xc0/0xc0 [ 166.192645] [<ffffffff810e9550>] ? hrtimer_get_res+0x50/0x50 [ 166.192648] [<ffffffff81244ae0>] ? lookup_ioctx+0xd0/0x140 [ 166.192651] [<ffffffff812464f2>] SyS_io_getevents+0x62/0x100 [ 166.192655] [<ffffffff813b598e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 166.192658] [<ffffffff81765c2d>] system_call_fastpath+0x16/0x1b [ 166.192661] ---[ end trace 35d42b281f58ce45 ]---
