Re: [Linux-v4.6-rc1] ext4: WARNING: CPU: 2 PID: 2692 at kernel/locking/lockdep.c:2017 __lock_acquire+0x180e/0x2260

Boqun Feng
2016-03-28T01:05:57Z

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On Sun, Mar 27, 2016 at 10:59:00PM +0200, Sedat Dilek wrote:
> On Sun, Mar 27, 2016 at 10:48 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Sun, Mar 27, 2016 at 05:03:44AM -0700, Linus Torvalds wrote:
> >> Anyway, I don't think that DEBUG_LOCKS_WARN_ON() in
> >>
> >> kernel/locking/lockdep.c:2017 __lock_acquire
> >>
> >> would be an ext4 issue, it looks more like an internal lockdep issue.
> >>
> >> Adding in the lockdep people, who will set me right.
> >
> > You are right; this is lockdep running into a hash collision; which is a
> > new DEBUG_LOCKDEP test. See 9e4e7554e755 ("locking/lockdep: Detect
> > chain_key collisions").
>
> [1] says...
>
> "Also tested with lockdep's test suite after applying the patch:
>
> [ 0.000000] Good, all 253 testcases passed! |"
>
> Where can I find this "lockdep's test suite"?
>

I think that means the self test suite enabled by
CONFIG_DEBUG_LOCKING_API_SELFTESTS

Regards,
Boqun

> When is that checking below done or what causes this?
>
> $ grep -i lock dmesg_4.6.0-rc1-1-iniza-small.txt | grep -i dep
> [ 0.000000] RCU lockdep checking is 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] ... MAX_LOCKDEP_ENTRIES: 32768
> [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536
> [ 0.000000] memory used by lock dependency info: 8159 kB
> [ 77.403391] WARNING: CPU: 2 PID: 2692 at
> kernel/locking/lockdep.c:2017 __lock_acquire+0x180e/0x2260
> [ 77.403394] DEBUG_LOCKS_WARN_ON(chain->depth != curr->lockdep_depth
> - (i - 1))
>
> - Sedat -
>
> [1] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9e4e7554e755

> [ 0.000000] Linux version 4.6.0-rc1-1-iniza-small (sedat.dilek@gmail.com@fambox) (gcc version 4.9.2 (Ubuntu 4.9.2-0ubuntu1~12.04) ) #1 SMP Sun Mar 27 10:04:11 CEST 2016
> [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.6.0-rc1-1-iniza-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] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
> [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
> [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
> [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
> [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
> [ 0.000000] x86/fpu: Using 'eager' FPU context switches.
> [ 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] 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] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT
> [ 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] BRK [0x02e94000, 0x02e94fff] PGTABLE
> [ 0.000000] BRK [0x02e95000, 0x02e95fff] PGTABLE
> [ 0.000000] BRK [0x02e96000, 0x02e96fff] PGTABLE
> [ 0.000000] BRK [0x02e97000, 0x02e97fff] PGTABLE
> [ 0.000000] BRK [0x02e98000, 0x02e98fff] PGTABLE
> [ 0.000000] BRK [0x02e99000, 0x02e99fff] PGTABLE
> [ 0.000000] RAMDISK: [mem 0x378f6000-0x37c72fff]
> [ 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] Zone ranges:
> [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
> [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
> [ 0.000000] Normal [mem 0x0000000100000000-0x000000011fdfffff]
> [ 0.000000] Movable zone start for each node
> [ 0.000000] Early memory node ranges
> [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009cfff]
> [ 0.000000] node 0: [mem 0x0000000000100000-0x000000001fffffff]
> [ 0.000000] node 0: [mem 0x0000000020200000-0x000000003fffffff]
> [ 0.000000] node 0: [mem 0x0000000040200000-0x00000000d9c9efff]
> [ 0.000000] node 0: [mem 0x00000000dafff000-0x00000000daffffff]
> [ 0.000000] node 0: [mem 0x0000000100000000-0x000000011fdfffff]
> [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000011fdfffff]
> [ 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_NMI (acpi_id[0x00] high edge lint[0x1])
> [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
> [ 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] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
> [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:8 nr_node_ids:1
> [ 0.000000] percpu: Embedded 34 pages/cpu @ffff88011fa00000 s102280 r8192 d28792 u262144
> [ 0.000000] pcpu-alloc: s102280 r8192 d28792 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-4.6.0-rc1-1-iniza-small root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro
> [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
> [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area
> [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
> [ 0.000000] Memory: 3916932K/4086000K available (8267K kernel code, 1422K rwdata, 3308K rodata, 1444K init, 14068K bss, 169068K reserved, 0K cma-reserved)
> [ 0.000000] Running RCU self tests
> [ 0.000000] Hierarchical RCU implementation.
> [ 0.000000] RCU lockdep checking is enabled.
> [ 0.000000] Build-time adjustment of leaf fanout to 64.
> [ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=8.
> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, 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] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
> [ 0.000000] hpet clockevent registered
> [ 0.000000] tsc: Fast TSC calibration using PIT
> [ 0.000000] tsc: Detected 1596.381 MHz processor
> [ 0.000096] Calibrating delay loop (skipped), value calculated using timer frequency.. 3192.76 BogoMIPS (lpj=6385524)
> [ 0.000109] pid_max: default: 32768 minimum: 301
> [ 0.000152] ACPI: Core revision 20160108
> [ 0.021602] ACPI: 5 ACPI AML tables successfully acquired and loaded
> [ 0.021612]
> [ 0.021812] Security Framework initialized
> [ 0.021819] Yama: becoming mindful.
> [ 0.021853] AppArmor: AppArmor initialized
> [ 0.022327] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
> [ 0.023421] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
> [ 0.023900] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
> [ 0.023914] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
> [ 0.025321] Disabled fast string operations
> [ 0.025330] CPU: Physical Processor ID: 0
> [ 0.025336] CPU: Processor Core ID: 0
> [ 0.025345] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
> [ 0.025351] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
> [ 0.025359] mce: CPU supports 7 MCE banks
> [ 0.025395] CPU0: Thermal monitoring enabled (TM1)
> [ 0.025415] process: using mwait in idle threads
> [ 0.025424] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8
> [ 0.025430] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0
> [ 0.026073] Freeing SMP alternatives memory: 28K (ffffffff820ce000 - ffffffff820d5000)
> [ 0.039361] ftrace: allocating 30167 entries in 118 pages
> [ 0.056546] smpboot: Max logical packages: 4
> [ 0.056556] smpboot: APIC(0) Converting physical 0 to logical package 0
> [ 0.056644] x2apic: IRQ remapping doesn't support X2APIC mode
> [ 0.057279] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
> [ 0.096976] TSC deadline timer enabled
> [ 0.096982] smpboot: CPU0: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz (family: 0x6, model: 0x2a, stepping: 0x7)
> [ 0.097010] Performance Events: PEBS fmt1+, 16-deep LBR, SandyBridge events, full-width counters, Intel PMU driver.
> [ 0.097054] ... version: 3
> [ 0.097060] ... bit width: 48
> [ 0.097064] ... generic registers: 4
> [ 0.097069] ... value mask: 0000ffffffffffff
> [ 0.097075] ... max period: 0000ffffffffffff
> [ 0.097080] ... fixed-purpose events: 3
> [ 0.097085] ... event mask: 000000070000000f
> [ 0.098914] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
> [ 0.099813] x86: Booting SMP configuration:
> [ 0.099821] .... node #0, CPUs: #1
> [ 0.100164] Disabled fast string operations
> [ 0.180034] #2<6>[ 0.180345] Disabled fast string operations
> [ 0.260391] #3
> [ 0.260391] Disabled fast string operations
> [ 0.339641] x86: Booted up 1 node, 4 CPUs
> [ 0.339658] smpboot: Total of 4 processors activated (12786.29 BogoMIPS)
> [ 0.344652] devtmpfs: initialized
> [ 0.345007] x86/mm: Memory block size: 128MB
> [ 0.350111] evm: security.selinux
> [ 0.350118] evm: security.SMACK64
> [ 0.350122] evm: security.capability
> [ 0.350313] PM: Registering ACPI NVS region [mem 0xdae7f000-0xdaf9efff] (1179648 bytes)
> [ 0.350736] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
> [ 0.352356] NET: Registered protocol family 16
> [ 0.363590] cpuidle: using governor ladder
> [ 0.375530] cpuidle: using governor menu
> [ 0.375758] ACPI: bus type PCI registered
> [ 0.376088] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000)
> [ 0.376100] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820
> [ 0.376115] PCI: Using configuration type 1 for base access
> [ 0.376170] core: PMU erratum BJ122, BV98, HSD29 worked around, HT is on
> [ 0.392073] HugeTLB registered 2 MB page size, pre-allocated 0 pages
> [ 0.393525] ACPI: Added _OSI(Module Device)
> [ 0.393534] ACPI: Added _OSI(Processor Device)
> [ 0.393540] ACPI: Added _OSI(3.0 _SCP Extensions)
> [ 0.393546] ACPI: Added _OSI(Processor Aggregator Device)
> [ 0.394436] ACPI: Executed 1 blocks of module-level executable AML code
> [ 0.412503] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
> [ 0.414591] ACPI: Dynamic OEM Table Load:
> [ 0.414622] ACPI: SSDT 0xFFFF88011B0A8800 000688 (v01 PmRef Cpu0Cst 00003001 INTL 20061109)
> [ 0.417346] ACPI: Dynamic OEM Table Load:
> [ 0.417373] ACPI: SSDT 0xFFFF88011A068800 000303 (v01 PmRef ApIst 00003000 INTL 20061109)
> [ 0.419886] ACPI: Dynamic OEM Table Load:
> [ 0.419912] ACPI: SSDT 0xFFFF88011A7A0000 000119 (v01 PmRef ApCst 00003000 INTL 20061109)
> [ 0.424117] ACPI : EC: EC started
> [ 0.425719] ACPI: Interpreter enabled
> [ 0.425793] ACPI: (supports S0 S1 S3 S4 S5)
> [ 0.425799] ACPI: Using IOAPIC for interrupt routing
> [ 0.425885] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
> [ 0.451611] ACPI: Power Resource [FN00] (off)
> [ 0.452146] ACPI: Power Resource [FN01] (off)
> [ 0.452553] ACPI: Power Resource [FN02] (off)
> [ 0.452963] ACPI: Power Resource [FN03] (off)
> [ 0.453369] ACPI: Power Resource [FN04] (off)
> [ 0.456247] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e])
> [ 0.456261] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
> [ 0.457029] \_SB_.PCI0 (33DB4D5B-1FF7-401C-9657-7441C03DD766): _OSC invalid UUID
> [ 0.457032] _OSC request data: 1 1f 0
> [ 0.457038] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
> [ 0.458144] PCI host bridge to bus 0000:00
> [ 0.458153] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
> [ 0.458160] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
> [ 0.458168] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
> [ 0.458178] pci_bus 0000:00: root bus resource [mem 0xdfa00000-0xfeafffff window]
> [ 0.458188] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window]
> [ 0.458198] pci_bus 0000:00: root bus resource [bus 00-3e]
> [ 0.458287] pci 0000:00:00.0: [8086:0104] type 00 class 0x060000
> [ 0.458755] pci 0000:00:02.0: [8086:0116] type 00 class 0x030000
> [ 0.458776] pci 0000:00:02.0: reg 0x10: [mem 0xf0000000-0xf03fffff 64bit]
> [ 0.458789] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref]
> [ 0.458798] pci 0000:00:02.0: reg 0x20: [io 0x3000-0x303f]
> [ 0.459313] pci 0000:00:16.0: [8086:1c3a] type 00 class 0x078000
> [ 0.459354] pci 0000:00:16.0: reg 0x10: [mem 0xf0705000-0xf070500f 64bit]
> [ 0.459509] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold
> [ 0.459929] pci 0000:00:1a.0: [8086:1c2d] type 00 class 0x0c0320
> [ 0.459964] pci 0000:00:1a.0: reg 0x10: [mem 0xf070a000-0xf070a3ff]
> [ 0.460140] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold
> [ 0.460512] pci 0000:00:1b.0: [8086:1c20] type 00 class 0x040300
> [ 0.460550] pci 0000:00:1b.0: reg 0x10: [mem 0xf0700000-0xf0703fff 64bit]
> [ 0.460729] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
> [ 0.460955] pci 0000:00:1b.0: System wakeup disabled by ACPI
> [ 0.461146] pci 0000:00:1c.0: [8086:1c10] type 01 class 0x060400
> [ 0.461320] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
> [ 0.461531] pci 0000:00:1c.0: System wakeup disabled by ACPI
> [ 0.461726] pci 0000:00:1c.3: [8086:1c16] type 01 class 0x060400
> [ 0.461898] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
> [ 0.462097] pci 0000:00:1c.3: System wakeup disabled by ACPI
> [ 0.462292] pci 0000:00:1c.4: [8086:1c18] type 01 class 0x060400
> [ 0.462470] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold
> [ 0.462849] pci 0000:00:1d.0: [8086:1c26] type 00 class 0x0c0320
> [ 0.462883] pci 0000:00:1d.0: reg 0x10: [mem 0xf0709000-0xf07093ff]
> [ 0.463060] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold
> [ 0.463421] pci 0000:00:1f.0: [8086:1c49] type 00 class 0x060100
> [ 0.463953] pci 0000:00:1f.2: [8086:1c03] type 00 class 0x010601
> [ 0.463990] pci 0000:00:1f.2: reg 0x10: [io 0x3088-0x308f]
> [ 0.464008] pci 0000:00:1f.2: reg 0x14: [io 0x3094-0x3097]
> [ 0.464025] pci 0000:00:1f.2: reg 0x18: [io 0x3080-0x3087]
> [ 0.464043] pci 0000:00:1f.2: reg 0x1c: [io 0x3090-0x3093]
> [ 0.464061] pci 0000:00:1f.2: reg 0x20: [io 0x3060-0x307f]
> [ 0.464078] pci 0000:00:1f.2: reg 0x24: [mem 0xf0708000-0xf07087ff]
> [ 0.464188] pci 0000:00:1f.2: PME# supported from D3hot
> [ 0.464545] pci 0000:00:1f.3: [8086:1c22] type 00 class 0x0c0500
> [ 0.464580] pci 0000:00:1f.3: reg 0x10: [mem 0xf0704000-0xf07040ff 64bit]
> [ 0.464629] pci 0000:00:1f.3: reg 0x20: [io 0xefa0-0xefbf]
> [ 0.465381] pci 0000:01:00.0: [8086:0091] type 00 class 0x028000
> [ 0.465788] pci 0000:01:00.0: reg 0x10: [mem 0xf0600000-0xf0601fff 64bit]
> [ 0.467653] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
> [ 0.468115] pci 0000:01:00.0: System wakeup disabled by ACPI
> [ 0.475933] pci 0000:00:1c.0: PCI bridge to [bus 01]
> [ 0.475950] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff]
> [ 0.476179] pci 0000:02:00.0: [10ec:8168] type 00 class 0x020000
> [ 0.476273] pci 0000:02:00.0: reg 0x10: [io 0x2000-0x20ff]
> [ 0.476412] pci 0000:02:00.0: reg 0x18: [mem 0xf0404000-0xf0404fff 64bit pref]
> [ 0.476498] pci 0000:02:00.0: reg 0x20: [mem 0xf0400000-0xf0403fff 64bit pref]
> [ 0.476968] pci 0000:02:00.0: supports D1 D2
> [ 0.476970] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
> [ 0.477181] pci 0000:02:00.0: System wakeup disabled by ACPI
> [ 0.483853] pci 0000:00:1c.3: PCI bridge to [bus 02]
> [ 0.483865] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff]
> [ 0.483881] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref]
> [ 0.484087] pci 0000:03:00.0: [1b21:1042] type 00 class 0x0c0330
> [ 0.484138] pci 0000:03:00.0: reg 0x10: [mem 0xf0500000-0xf0507fff 64bit]
> [ 0.484421] pci 0000:03:00.0: PME# supported from D3hot D3cold
> [ 0.484742] pci 0000:00:1c.4: PCI bridge to [bus 03]
> [ 0.484758] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff]
> [ 0.487171] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 10 *11 12 14 15)
> [ 0.487398] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled.
> [ 0.487625] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 *10 11 12 14 15)
> [ 0.487872] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 *10 11 12 14 15)
> [ 0.488096] ACPI: PCI Interrupt Link [LNKE] (IRQs 1 3 4 5 6 10 11 12 14 15) *9
> [ 0.488319] ACPI: PCI Interrupt Link [LNKF] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled.
> [ 0.488544] ACPI: PCI Interrupt Link [LNKG] (IRQs 1 3 4 5 6 10 *11 12 14 15)
> [ 0.488765] ACPI: PCI Interrupt Link [LNKH] (IRQs 1 3 4 5 6 10 11 12 14 15) *9
> [ 0.490290] ACPI: Enabled 4 GPEs in block 00 to 3F
> [ 0.490474] ACPI : EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62
> [ 0.490763] ACPI : EC: 0 stale EC events cleared
> [ 0.491582] vgaarb: setting as boot device: PCI:0000:00:02.0
> [ 0.491590] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
> [ 0.491608] vgaarb: loaded
> [ 0.491613] vgaarb: bridge control possible 0000:00:02.0
> [ 0.492481] SCSI subsystem initialized
> [ 0.492677] libata version 3.00 loaded.
> [ 0.492784] ACPI: bus type USB registered
> [ 0.492871] usbcore: registered new interface driver usbfs
> [ 0.492920] usbcore: registered new interface driver hub
> [ 0.493011] usbcore: registered new device driver usb
> [ 0.493517] PCI: Using ACPI for IRQ routing
> [ 0.497239] PCI: pci_cache_line_size set to 64 bytes
> [ 0.497373] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff]
> [ 0.497382] e820: reserve RAM buffer [mem 0xd9c9f000-0xdbffffff]
> [ 0.497385] e820: reserve RAM buffer [mem 0xdb000000-0xdbffffff]
> [ 0.497388] e820: reserve RAM buffer [mem 0x11fe00000-0x11fffffff]
> [ 0.498210] NetLabel: Initializing
> [ 0.498216] NetLabel: domain hash size = 128
> [ 0.498221] NetLabel: protocols = UNLABELED CIPSOv4
> [ 0.498284] NetLabel: unlabeled traffic allowed by default
> [ 0.498614] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
> [ 0.498629] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
> [ 0.500737] clocksource: Switched to clocksource hpet
> [ 0.550038] VFS: Disk quotas dquot_6.6.0
> [ 0.550102] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> [ 0.550714] AppArmor: AppArmor Filesystem Enabled
> [ 0.550980] pnp: PnP ACPI init
> [ 0.551631] system 00:00: [io 0x0680-0x069f] has been reserved
> [ 0.551642] system 00:00: [io 0x1000-0x100f] has been reserved
> [ 0.551650] system 00:00: [io 0x5000-0x5003] has been reserved
> [ 0.551658] system 00:00: [io 0xffff] has been reserved
> [ 0.551667] system 00:00: [io 0x0400-0x0453] could not be reserved
> [ 0.551675] system 00:00: [io 0x0458-0x047f] has been reserved
> [ 0.551683] system 00:00: [io 0x0500-0x057f] has been reserved
> [ 0.551691] system 00:00: [io 0x0a00-0x0a0f] has been reserved
> [ 0.551699] system 00:00: [io 0x164e-0x164f] has been reserved
> [ 0.551708] system 00:00: [io 0x5000-0x500f] could not be reserved
> [ 0.551747] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
> [ 0.551863] pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active)
> [ 0.552068] system 00:02: [io 0x0454-0x0457] has been reserved
> [ 0.552082] system 00:02: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active)
> [ 0.552207] pnp 00:03: Plug and Play ACPI device, IDs PNP0303 (active)
> [ 0.552361] pnp 00:04: Plug and Play ACPI device, IDs ETD0b00 SYN0002 PNP0f13 (active)
> [ 0.552949] system 00:05: [mem 0xfed1c000-0xfed1ffff] has been reserved
> [ 0.552959] system 00:05: [mem 0xfed10000-0xfed17fff] has been reserved
> [ 0.552967] system 00:05: [mem 0xfed18000-0xfed18fff] has been reserved
> [ 0.552975] system 00:05: [mem 0xfed19000-0xfed19fff] has been reserved
> [ 0.552984] system 00:05: [mem 0xf8000000-0xfbffffff] has been reserved
> [ 0.552992] system 00:05: [mem 0xfed20000-0xfed3ffff] has been reserved
> [ 0.553002] system 00:05: [mem 0xfed90000-0xfed93fff] has been reserved
> [ 0.553010] system 00:05: [mem 0xfed45000-0xfed8ffff] has been reserved
> [ 0.553019] system 00:05: [mem 0xff000000-0xffffffff] could not be reserved
> [ 0.553028] system 00:05: [mem 0xfee00000-0xfeefffff] could not be reserved
> [ 0.553041] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active)
> [ 0.554122] system 00:06: Plug and Play ACPI device, IDs PNP0c01 (active)
> [ 0.554191] pnp: PnP ACPI: found 7 devices
> [ 0.567812] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
> [ 0.567882] pci 0000:00:1c.0: PCI bridge to [bus 01]
> [ 0.567896] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff]
> [ 0.567917] pci 0000:00:1c.3: PCI bridge to [bus 02]
> [ 0.567926] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff]
> [ 0.567944] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref]
> [ 0.567962] pci 0000:00:1c.4: PCI bridge to [bus 03]
> [ 0.567975] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff]
> [ 0.567996] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
> [ 0.567999] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
> [ 0.568001] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
> [ 0.568003] pci_bus 0000:00: resource 7 [mem 0xdfa00000-0xfeafffff window]
> [ 0.568005] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed44fff window]
> [ 0.568007] pci_bus 0000:01: resource 1 [mem 0xf0600000-0xf06fffff]
> [ 0.568010] pci_bus 0000:02: resource 0 [io 0x2000-0x2fff]
> [ 0.568012] pci_bus 0000:02: resource 2 [mem 0xf0400000-0xf04fffff 64bit pref]
> [ 0.568014] pci_bus 0000:03: resource 1 [mem 0xf0500000-0xf05fffff]
> [ 0.568173] NET: Registered protocol family 2
> [ 0.568785] TCP established hash table entries: 32768 (order: 6, 262144 bytes)
> [ 0.569089] TCP bind hash table entries: 32768 (order: 9, 2097152 bytes)
> [ 0.571559] TCP: Hash tables configured (established 32768 bind 32768)
> [ 0.571703] UDP hash table entries: 2048 (order: 6, 327680 bytes)
> [ 0.572061] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes)
> [ 0.572687] NET: Registered protocol family 1
> [ 0.572754] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
> [ 0.574771] PCI: CLS 64 bytes, default 64
> [ 0.575063] Trying to unpack rootfs image as initramfs...
> [ 0.661877] Freeing initrd memory: 3572K (ffff8800378f6000 - ffff880037c73000)
> [ 0.661999] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
> [ 0.662008] software IO TLB [mem 0xd5c9f000-0xd9c9f000] (64MB) mapped at [ffff8800d5c9f000-ffff8800d9c9efff]
> [ 0.662202] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 163840 ms ovfl timer
> [ 0.662211] RAPL PMU: hw unit of domain pp0-core 2^-16 Joules
> [ 0.662217] RAPL PMU: hw unit of domain package 2^-16 Joules
> [ 0.662223] RAPL PMU: hw unit of domain pp1-gpu 2^-16 Joules
> [ 0.662581] Scanning for low memory corruption every 60 seconds
> [ 0.664295] futex hash table entries: 2048 (order: 6, 262144 bytes)
> [ 0.664517] audit: initializing netlink subsys (disabled)
> [ 0.664607] audit: type=2000 audit(1459073331.652:1): initialized
> [ 0.666256] Initialise system trusted keyring
> [ 0.666729] workingset: timestamp_bits=38 max_order=20 bucket_order=0
> [ 0.667962] fuse init (API version 7.24)
> [ 0.670598] Key type asymmetric registered
> [ 0.670623] Asymmetric key parser 'x509' registered
> [ 0.670692] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
> [ 0.670868] io scheduler noop registered
> [ 0.670877] io scheduler deadline registered (default)
> [ 0.670943] io scheduler cfq registered
> [ 0.670951] start plist test
> [ 0.672852] end plist test
> [ 0.674199] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> [ 0.674230] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
> [ 0.674512] intel_idle: MWAIT substates: 0x21120
> [ 0.674514] intel_idle: v0.4.1 model 0x2A
> [ 0.674515] intel_idle: lapic_timer_reliable_states 0xffffffff
> [ 0.676117] ACPI: AC Adapter [ADP1] (on-line)
> [ 0.676431] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
> [ 0.676491] ACPI: Lid Switch [LID0]
> [ 0.676674] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
> [ 0.676755] ACPI: Power Button [PWRB]
> [ 0.676947] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
> [ 0.676961] ACPI: Power Button [PWRF]
> [ 0.681757] thermal LNXTHERM:00: registered as thermal_zone0
> [ 0.681766] ACPI: Thermal Zone [TZ00] (70 C)
> [ 0.682640] thermal LNXTHERM:01: registered as thermal_zone1
> [ 0.682647] ACPI: Thermal Zone [TZ01] (30 C)
> [ 0.682787] GHES: HEST is not enabled!
> [ 0.683151] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
> [ 0.691833] ACPI: Battery Slot [BAT1] (battery present)
> [ 0.692597] Linux agpgart interface v0.103
> [ 0.705712] brd: module loaded
> [ 0.712369] loop: module loaded
> [ 0.717018] ahci 0000:00:1f.2: version 3.0
> [ 0.717580] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled
> [ 0.727758] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x1b impl SATA mode
> [ 0.727796] ahci 0000:00:1f.2: flags: 64bit ncq sntf ilck stag pm led clo pio slum part ems sxs apst
> [ 0.751703] scsi host0: ahci
> [ 0.752362] scsi host1: ahci
> [ 0.752942] scsi host2: ahci
> [ 0.753417] scsi host3: ahci
> [ 0.753923] scsi host4: ahci
> [ 0.754399] scsi host5: ahci
> [ 0.754660] ata1: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708100 irq 25
> [ 0.754672] ata2: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708180 irq 25
> [ 0.754681] ata3: DUMMY
> [ 0.754687] ata4: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708280 irq 25
> [ 0.754697] ata5: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708300 irq 25
> [ 0.754706] ata6: DUMMY
> [ 0.756686] libphy: Fixed MDIO Bus: probed
> [ 0.757207] tun: Universal TUN/TAP device driver, 1.6
> [ 0.757214] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
> [ 0.757444] PPP generic driver version 2.4.2
> [ 0.757629] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [ 0.757638] ehci-pci: EHCI PCI platform driver
> [ 0.758094] ehci-pci 0000:00:1a.0: EHCI Host Controller
> [ 0.758262] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 1
> [ 0.758334] ehci-pci 0000:00:1a.0: debug port 2
> [ 0.762288] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported
> [ 0.762356] ehci-pci 0000:00:1a.0: irq 16, io mem 0xf070a000
> [ 0.772836] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00
> [ 0.773179] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
> [ 0.773186] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 0.773194] usb usb1: Product: EHCI Host Controller
> [ 0.773199] usb usb1: Manufacturer: Linux 4.6.0-rc1-1-iniza-small ehci_hcd
> [ 0.773205] usb usb1: SerialNumber: 0000:00:1a.0
> [ 0.774225] hub 1-0:1.0: USB hub found
> [ 0.774280] hub 1-0:1.0: 2 ports detected
> [ 0.775654] ehci-pci 0000:00:1d.0: EHCI Host Controller
> [ 0.775678] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 2
> [ 0.775715] ehci-pci 0000:00:1d.0: debug port 2
> [ 0.779651] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported
> [ 0.779685] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf0709000
> [ 0.788902] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
> [ 0.789091] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
> [ 0.789099] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 0.789107] usb usb2: Product: EHCI Host Controller
> [ 0.789112] usb usb2: Manufacturer: Linux 4.6.0-rc1-1-iniza-small ehci_hcd
> [ 0.789118] usb usb2: SerialNumber: 0000:00:1d.0
> [ 0.789791] hub 2-0:1.0: USB hub found
> [ 0.789821] hub 2-0:1.0: 2 ports detected
> [ 0.790354] ehci-platform: EHCI generic platform driver
> [ 0.790410] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [ 0.790429] ohci-pci: OHCI PCI platform driver
> [ 0.790474] ohci-platform: OHCI generic platform driver
> [ 0.790513] uhci_hcd: USB Universal Host Controller Interface driver
> [ 0.790775] xhci_hcd 0000:03:00.0: xHCI Host Controller
> [ 0.790807] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 3
> [ 0.795291] xhci_hcd 0000:03:00.0: hcc params 0x0200f180 hci version 0x96 quirks 0x00080000
> [ 0.795806] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
> [ 0.795813] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 0.795821] usb usb3: Product: xHCI Host Controller
> [ 0.795826] usb usb3: Manufacturer: Linux 4.6.0-rc1-1-iniza-small xhci-hcd
> [ 0.795832] usb usb3: SerialNumber: 0000:03:00.0
> [ 0.796434] hub 3-0:1.0: USB hub found
> [ 0.796522] hub 3-0:1.0: 2 ports detected
> [ 0.797035] xhci_hcd 0000:03:00.0: xHCI Host Controller
> [ 0.797053] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 4
> [ 0.797158] usb usb4: We don't know the algorithms for LPM for this host, disabling LPM.
> [ 0.797206] usb usb4: No SuperSpeed endpoint companion for config 1 interface 0 altsetting 0 ep 129: using minimum values
> [ 0.797272] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003
> [ 0.797278] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> [ 0.797286] usb usb4: Product: xHCI Host Controller
> [ 0.797291] usb usb4: Manufacturer: Linux 4.6.0-rc1-1-iniza-small xhci-hcd
> [ 0.797297] usb usb4: SerialNumber: 0000:03:00.0
> [ 0.797940] hub 4-0:1.0: USB hub found
> [ 0.797988] hub 4-0:1.0: 2 ports detected
> [ 0.798638] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:EPAD] at 0x60,0x64 irq 1,12
> [ 0.804852] serio: i8042 KBD port at 0x60,0x64 irq 1
> [ 0.804902] serio: i8042 AUX port at 0x60,0x64 irq 12
> [ 0.805817] mousedev: PS/2 mouse device common for all mice
> [ 0.807347] rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0
> [ 0.807395] rtc_cmos 00:01: alarms up to one month, y3k, 242 bytes nvram, hpet irqs
> [ 0.807546] device-mapper: uevent: version 1.0.3
> [ 0.807807] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com
> [ 0.807846] Intel P-state driver initializing.
> [ 0.808915] ledtrig-cpu: registered to indicate activity on CPUs
> [ 0.809414] NET: Registered protocol family 10
> [ 0.810319] NET: Registered protocol family 17
> [ 0.810366] Key type dns_resolver registered
> [ 0.811343] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x28
> [ 0.811374] microcode: CPU1 sig=0x206a7, pf=0x10, revision=0x28
> [ 0.811410] microcode: CPU2 sig=0x206a7, pf=0x10, revision=0x28
> [ 0.811438] microcode: CPU3 sig=0x206a7, pf=0x10, revision=0x28
> [ 0.811622] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
> [ 0.812291] registered taskstats version 1
> [ 0.812308] Loading compiled-in X.509 certificates
> [ 0.813770] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3
> [ 0.819393] Loaded X.509 cert 'Build time autogenerated kernel key: d861534734a1854c045ffb7a95ace7fffd94d654'
> [ 0.824290] Key type trusted registered
> [ 0.832304] Key type encrypted registered
> [ 0.832330] AppArmor: AppArmor sha1 policy hashing enabled
> [ 0.832340] evm: HMAC attrs: 0x1
> [ 0.833498] rtc_cmos 00:01: setting system clock to 2016-03-27 10:08:52 UTC (1459073332)
> [ 0.833760] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
> [ 0.833769] EDD information not available.
> [ 1.060803] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [ 1.062120] ata1.00: ATA-8: Hitachi HTS545050A7E380, GG2OA6C0, max UDMA/133
> [ 1.062130] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
> [ 1.063536] ata1.00: configured for UDMA/133
> [ 1.064604] scsi 0:0:0:0: Direct-Access ATA Hitachi HTS54505 A6C0 PQ: 0 ANSI: 5
> [ 1.084894] usb 1-1: new high-speed USB device number 2 using ehci-pci
> [ 1.094019] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/466 GiB)
> [ 1.094034] sd 0:0:0:0: [sda] 4096-byte physical blocks
> [ 1.094287] sd 0:0:0:0: [sda] Write Protect is off
> [ 1.094299] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> [ 1.094411] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> [ 1.094462] sd 0:0:0:0: Attached scsi generic sg0 type 0
> [ 1.100762] usb 2-1: new high-speed USB device number 2 using ehci-pci
> [ 1.137023] sda: sda1 sda2 sda3
> [ 1.138705] sd 0:0:0:0: [sda] Attached SCSI disk
> [ 1.217741] usb 1-1: New USB device found, idVendor=8087, idProduct=0024
> [ 1.217752] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> [ 1.218901] hub 1-1:1.0: USB hub found
> [ 1.219217] hub 1-1:1.0: 6 ports detected
> [ 1.233792] usb 2-1: New USB device found, idVendor=8087, idProduct=0024
> [ 1.233803] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> [ 1.234552] hub 2-1:1.0: USB hub found
> [ 1.234784] hub 2-1:1.0: 6 ports detected
> [ 1.400885] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
> [ 1.401922] ata2.00: ATA-8: SanDisk iSSD P4 16GB, SSD 9.14, max UDMA/133
> [ 1.401931] ata2.00: 31277232 sectors, multi 1: LBA48
> [ 1.402864] ata2.00: configured for UDMA/133
> [ 1.403503] scsi 1:0:0:0: Direct-Access ATA SanDisk iSSD P4 9.14 PQ: 0 ANSI: 5
> [ 1.425542] sd 1:0:0:0: [sdb] 31277232 512-byte logical blocks: (16.0 GB/14.9 GiB)
> [ 1.425689] sd 1:0:0:0: Attached scsi generic sg1 type 0
> [ 1.425709] sd 1:0:0:0: [sdb] Write Protect is off
> [ 1.425717] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
> [ 1.425764] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
> [ 1.427131] sdb: sdb1 sdb2
> [ 1.428218] sd 1:0:0:0: [sdb] Attached SCSI disk
> [ 1.492900] usb 1-1.4: new high-speed USB device number 3 using ehci-pci
> [ 1.508897] usb 2-1.4: new low-speed USB device number 3 using ehci-pci
> [ 1.607830] usb 2-1.4: New USB device found, idVendor=046d, idProduct=c00e
> [ 1.607850] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> [ 1.607858] usb 2-1.4: Product: USB-PS/2 Optical Mouse
> [ 1.607864] usb 2-1.4: Manufacturer: Logitech
> [ 1.660947] tsc: Refined TSC clocksource calibration: 1596.374 MHz
> [ 1.660958] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1702c3a922f, max_idle_ns: 440795242034 ns
> [ 1.680919] usb 2-1.5: new full-speed USB device number 4 using ehci-pci
> [ 1.737934] ata4: SATA link down (SStatus 0 SControl 300)
> [ 1.745754] usb 1-1.4: New USB device found, idVendor=2232, idProduct=1018
> [ 1.745765] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> [ 1.745774] usb 1-1.4: Product: WebCam SC-13HDL11431N
> [ 1.745779] usb 1-1.4: Manufacturer: 123
> [ 1.778129] usb 2-1.5: New USB device found, idVendor=8086, idProduct=0189
> [ 1.778141] usb 2-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> [ 2.045311] ata5: SATA link down (SStatus 0 SControl 300)
> [ 2.047134] Freeing unused kernel memory: 1444K (ffffffff81f65000 - ffffffff820ce000)
> [ 2.047147] Write protecting the kernel read-only data: 14336k
> [ 2.048718] Freeing unused kernel memory: 1956K (ffff880001817000 - ffff880001a00000)
> [ 2.051210] Freeing unused kernel memory: 788K (ffff880001d3b000 - ffff880001e00000)
> [ 2.088109] udevd[171]: starting version 175
> [ 2.406479] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
> [ 2.406511] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control
> [ 2.411121] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0xffffc900009b0000, e8:03:9a:36:17:a9, XID 0c900800 IRQ 31
> [ 2.411145] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
> [ 2.432448] usbcore: registered new interface driver usbhid
> [ 2.432464] usbhid: USB HID core driver
> [ 2.510197] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/0003:046D:C00E.0001/input/input5
> [ 2.510688] 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
> [ 2.661106] clocksource: Switched to clocksource tsc
> [ 3.268403] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null)
> [ 3.799149] random: nonblocking pool is initialized
> [ 4.288759] usb 1-1.2: new high-speed USB device number 4 using ehci-pci
> [ 4.387401] usb 1-1.2: New USB device found, idVendor=12d1, idProduct=1446
> [ 4.387429] usb 1-1.2: New USB device strings: Mfr=3, Product=2, SerialNumber=0
> [ 4.387454] usb 1-1.2: Product: HUAWEI Mobile
> [ 4.387469] usb 1-1.2: Manufacturer: HUAWEI Technology
> [ 5.078221] init: ureadahead main process (453) terminated with status 5
> [ 9.414651] Adding 262140k swap on /host/ubuntu/disks/swap.disk. Priority:-1 extents:1 across:262140k FS
> [ 9.678428] EXT4-fs (loop0): re-mounted. Opts: errors=remount-ro
> [ 9.865350] udevd[678]: starting version 175
> [ 11.213221] lp: driver loaded but no devices found
> [ 12.987562] ACPI Warning: SystemIO range 0x0000000000000428-0x000000000000042F conflicts with OpRegion 0x0000000000000400-0x000000000000047F (\PMIO) (20160108/utaddress-255)
> [ 12.987576] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> [ 12.987586] ACPI Warning: SystemIO range 0x0000000000000540-0x000000000000054F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20160108/utaddress-255)
> [ 12.987594] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> [ 12.987599] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20160108/utaddress-255)
> [ 12.987607] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> [ 12.987612] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20160108/utaddress-255)
> [ 12.987620] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
> [ 12.987623] lpc_ich: Resource conflict(s) found affecting gpio_ich
> [ 13.068096] wmi: Mapper loaded
> [ 13.235950] [drm] Initialized drm 1.1.0 20060810
> [ 13.473376] samsung_laptop: detected SABI interface: SwSmi@
> [ 14.076310] Bluetooth: Core ver 2.21
> [ 14.076365] NET: Registered protocol family 31
> [ 14.076367] Bluetooth: HCI device and connection manager initialized
> [ 14.076443] Bluetooth: HCI socket layer initialized
> [ 14.076450] Bluetooth: L2CAP socket layer initialized
> [ 14.076509] Bluetooth: SCO socket layer initialized
> [ 14.206224] ppdev: user-space parallel port driver
> [ 14.223201] Intel(R) Wireless WiFi driver for Linux
> [ 14.223208] Copyright(c) 2003- 2015 Intel Corporation
> [ 14.223678] iwlwifi 0000:01:00.0: can't disable ASPM; OS doesn't have ASPM control
> [ 14.751309] usbcore: registered new interface driver btusb
> [ 14.785483] usb-storage 1-1.2:1.0: USB Mass Storage device detected
> [ 14.786016] scsi host6: usb-storage 1-1.2:1.0
> [ 14.786517] usb-storage 1-1.2:1.1: USB Mass Storage device detected
> [ 14.786781] scsi host7: usb-storage 1-1.2:1.1
> [ 14.787410] usbcore: registered new interface driver usb-storage
> [ 14.820214] Linux video capture interface: v2.00
> [ 15.000802] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f00)
> [ 15.015841] psmouse serio1: elantech: Synaptics capabilities query result 0x08, 0x17, 0x0c.
> [ 15.031425] psmouse serio1: elantech: Elan sample query result 03, 3f, 86
> [ 15.108378] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input6
> [ 15.558874] iwlwifi 0000:01:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm
> [ 15.787306] scsi 6:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
> [ 15.787436] scsi 7:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
> [ 15.790546] sd 7:0:0:0: Attached scsi generic sg2 type 0
> [ 15.795534] sr 6:0:0:0: [sr0] scsi-1 drive
> [ 15.795541] cdrom: Uniform CD-ROM driver Revision: 3.20
> [ 15.797020] sd 7:0:0:0: [sdc] Attached SCSI removable disk
> [ 15.797703] sr 6:0:0:0: Attached scsi CD-ROM sr0
> [ 15.798288] sr 6:0:0:0: Attached scsi generic sg3 type 5
> [ 15.856899] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC269VC: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
> [ 15.856906] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
> [ 15.856908] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
> [ 15.856910] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
> [ 15.856912] snd_hda_codec_realtek hdaudioC0D0: inputs:
> [ 15.856916] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x19
> [ 15.856920] snd_hda_codec_realtek hdaudioC0D0: Mic=0x18
> [ 16.027918] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
> [ 16.029166] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
> [ 16.029918] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
> [ 16.083792] [drm] Memory usable by graphics device = 2048M
> [ 16.083875] [drm] Replacing VGA console driver
> [ 16.091002] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [ 16.091006] [drm] Driver supports precise vblank timestamp query.
> [ 16.093751] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
> [ 16.165858] uvcvideo: Found UVC 1.00 device WebCam SC-13HDL11431N (2232:1018)
> [ 16.185668] input: WebCam SC-13HDL11431N as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/input/input10
> [ 16.186292] usbcore: registered new interface driver uvcvideo
> [ 16.186296] USB Video Class driver (1.1.1)
> [ 16.252333] fbcon: inteldrmfb (fb0) is primary device
> [ 16.255219] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
> [ 16.256211] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input11
> [ 16.257243] [drm] Initialized i915 1.6.0 20160229 for 0000:00:02.0 on minor 0
> [ 16.339897] Bluetooth: RFCOMM TTY layer initialized
> [ 16.339910] Bluetooth: RFCOMM socket layer initialized
> [ 16.339930] Bluetooth: RFCOMM ver 1.11
> [ 16.528172] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> [ 16.528173] Bluetooth: BNEP filters: protocol multicast
> [ 16.528183] Bluetooth: BNEP socket layer initialized
> [ 16.697253] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUG disabled
> [ 16.697255] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUGFS enabled
> [ 16.697256] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled
> [ 16.697258] iwlwifi 0000:01:00.0: Detected Intel(R) Centrino(R) Advanced-N 6230 AGN, REV=0xB0
> [ 16.697751] iwlwifi 0000:01:00.0: L1 Enabled - LTR Disabled
> [ 16.798689] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
> [ 16.987779] audit: type=1400 audit(1459066148.650:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=1200 comm="apparmor_parser"
> [ 16.987788] audit: type=1400 audit(1459066148.650:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1200 comm="apparmor_parser"
> [ 16.987793] audit: type=1400 audit(1459066148.650:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=1200 comm="apparmor_parser"
> [ 16.987927] audit: type=1400 audit(1459066148.650:5): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=1090 comm="apparmor_parser"
> [ 16.987941] audit: type=1400 audit(1459066148.650:6): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1090 comm="apparmor_parser"
> [ 16.987953] audit: type=1400 audit(1459066148.650:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1090 comm="apparmor_parser"
> [ 16.988119] audit: type=1400 audit(1459066148.650:8): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=1091 comm="apparmor_parser"
> [ 16.988131] audit: type=1400 audit(1459066148.650:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1091 comm="apparmor_parser"
> [ 16.988141] audit: type=1400 audit(1459066148.650:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1091 comm="apparmor_parser"
> [ 16.988424] audit: type=1400 audit(1459066148.650:11): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1200 comm="apparmor_parser"
> [ 17.357070] Console: switching to colour frame buffer device 170x48
> [ 17.360873] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> [ 17.915462] usb 1-1.2: USB disconnect, device number 4
> [ 18.438716] init: failsafe main process (1215) killed by TERM signal
> [ 21.696671] usb 1-1.2: new high-speed USB device number 5 using ehci-pci
> [ 21.791569] usb 1-1.2: New USB device found, idVendor=12d1, idProduct=1436
> [ 21.791582] usb 1-1.2: New USB device strings: Mfr=4, Product=3, SerialNumber=0
> [ 21.791589] usb 1-1.2: Product: HUAWEI Mobile
> [ 21.791594] usb 1-1.2: Manufacturer: HUAWEI Technology
> [ 21.794594] usb-storage 1-1.2:1.0: USB Mass Storage device detected
> [ 21.795571] usb-storage 1-1.2:1.1: USB Mass Storage device detected
> [ 21.796106] usb-storage 1-1.2:1.2: USB Mass Storage device detected
> [ 21.796768] usb-storage 1-1.2:1.3: USB Mass Storage device detected
> [ 21.797399] usb-storage 1-1.2:1.4: USB Mass Storage device detected
> [ 21.797996] usb-storage 1-1.2:1.5: USB Mass Storage device detected
> [ 21.798481] scsi host6: usb-storage 1-1.2:1.5
> [ 21.799254] usb-storage 1-1.2:1.6: USB Mass Storage device detected
> [ 21.799720] scsi host7: usb-storage 1-1.2:1.6
> [ 22.013437] usbcore: registered new interface driver usbserial
> [ 22.106461] cdc_ether 1-1.2:1.1 wwan0: register 'cdc_ether' at usb-0000:00:1a.0-1.2, Mobile Broadband Network Device, 02:50:f3:00:00:00
> [ 22.106597] usbcore: registered new interface driver cdc_ether
> [ 22.296700] usbcore: registered new interface driver option
> [ 22.298664] usbserial: USB Serial support registered for GSM modem (1-port)
> [ 22.300854] option 1-1.2:1.0: GSM modem (1-port) converter detected
> [ 22.302226] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB0
> [ 22.302567] option 1-1.2:1.3: GSM modem (1-port) converter detected
> [ 22.303449] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB1
> [ 22.303532] option 1-1.2:1.4: GSM modem (1-port) converter detected
> [ 22.304096] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB2
> [ 22.798905] scsi 7:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
> [ 22.799013] scsi 6:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
> [ 22.800327] sd 7:0:0:0: Attached scsi generic sg2 type 0
> [ 22.806940] sr 6:0:0:0: [sr0] scsi-1 drive
> [ 22.808493] sd 7:0:0:0: [sdc] Attached SCSI removable disk
> [ 22.809359] sr 6:0:0:0: Attached scsi CD-ROM sr0
> [ 22.810042] sr 6:0:0:0: Attached scsi generic sg3 type 5
> [ 23.854833] r8169 0000:02:00.0 eth0: link down
> [ 23.854909] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [ 65.292916] usb 2-1.5: USB disconnect, device number 4
> [ 65.810070] PPP BSD Compression module registered
> [ 65.850155] PPP Deflate Compression module registered
> [ 77.403377] ------------[ cut here ]------------
> [ 77.403391] WARNING: CPU: 2 PID: 2692 at kernel/locking/lockdep.c:2017 __lock_acquire+0x180e/0x2260
> [ 77.403394] DEBUG_LOCKS_WARN_ON(chain->depth != curr->lockdep_depth - (i - 1))
> [ 77.403397] Modules linked in: ppp_deflate bsd_comp ppp_async crc_ccitt option usb_wwan cdc_ether usbserial usbnet arc4 iwldvm bnep mac80211 rfcomm uvcvideo i915 snd_hda_codec_hdmi snd_hda_codec_realtek kvm_intel videobuf2_vmalloc snd_hda_codec_generic videobuf2_memops snd_hda_intel kvm joydev videobuf2_v4l2 snd_hda_codec videobuf2_core videodev usb_storage snd_hwdep btusb snd_hda_core btrtl snd_pcm parport_pc btbcm i2c_algo_bit irqbypass drm_kms_helper iwlwifi btintel ppdev psmouse snd_seq_midi bluetooth snd_seq_midi_event syscopyarea snd_rawmidi sysfillrect serio_raw snd_seq sysimgblt samsung_laptop fb_sys_fops snd_timer drm snd_seq_device cfg80211 intel_rst wmi snd video soundcore lpc_ich mac_hid lp parport binfmt_misc hid_generic usbhid hid r8169 mii
> [ 77.403485] CPU: 2 PID: 2692 Comm: URL Classifier Not tainted 4.6.0-rc1-1-iniza-small #1
> [ 77.403487] Hardware name: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013
> [ 77.403490] 0000000000000000 ffff88005dadb910 ffffffff81411955 ffff88005dadb960
> [ 77.403496] 0000000000000000 ffff88005dadb950 ffffffff81083db1 000007e15dadba00
> [ 77.403502] ffff88006acdd900 0000000000000000 0000000000000004 31018a8cbc5d051b
> [ 77.403506] Call Trace:
> [ 77.403513] [<ffffffff81411955>] dump_stack+0x85/0xc0
> [ 77.403517] [<ffffffff81083db1>] __warn+0xd1/0xf0
> [ 77.403521] [<ffffffff81083e1f>] warn_slowpath_fmt+0x4f/0x60
> [ 77.403526] [<ffffffff810df01e>] __lock_acquire+0x180e/0x2260
> [ 77.403532] [<ffffffff812ff494>] ? __ext4_handle_dirty_metadata+0x94/0x220
> [ 77.403539] [<ffffffff812cd17b>] ? ext4_mark_iloc_dirty+0x43b/0x790
> [ 77.403543] [<ffffffff810e0709>] lock_acquire+0x119/0x220
> [ 77.403547] [<ffffffff81300972>] ? ext4_mb_initialize_context+0x142/0x180
> [ 77.403552] [<ffffffff81809359>] mutex_lock_nested+0x69/0x3d0
> [ 77.403557] [<ffffffff81300972>] ? ext4_mb_initialize_context+0x142/0x180
> [ 77.403560] [<ffffffff810dd24d>] ? mark_held_locks+0x6d/0x90
> [ 77.403563] [<ffffffff810db9c9>] ? __lock_is_held+0x49/0x70
> [ 77.403568] [<ffffffff81300972>] ext4_mb_initialize_context+0x142/0x180
> [ 77.403572] [<ffffffff81307b39>] ext4_mb_new_blocks+0x169/0x840
> [ 77.403575] [<ffffffff812f6657>] ? ext4_find_extent+0x1b7/0x320
> [ 77.403578] [<ffffffff810db9c9>] ? __lock_is_held+0x49/0x70
> [ 77.403583] [<ffffffff812fb005>] ext4_ext_map_blocks+0xab5/0x2100
> [ 77.403589] [<ffffffff812ca33c>] ext4_map_blocks+0x10c/0x510
> [ 77.403593] [<ffffffff812f59f4>] ? ext4_alloc_file_blocks.isra.35+0xe4/0x310
> [ 77.403598] [<ffffffff812f5a17>] ext4_alloc_file_blocks.isra.35+0x107/0x310
> [ 77.403603] [<ffffffff812fdd6d>] ext4_fallocate+0x45d/0xb40
> [ 77.403608] [<ffffffff810d97ee>] ? update_fast_ctr+0x1e/0x40
> [ 77.403612] [<ffffffff810d989c>] ? percpu_down_read+0x5c/0xa0
> [ 77.403617] [<ffffffff812310cd>] vfs_fallocate+0x13d/0x220
> [ 77.403622] [<ffffffff81231ea3>] SyS_fallocate+0x43/0x70
> [ 77.403625] [<ffffffff8180d900>] entry_SYSCALL_64_fastpath+0x23/0xc1
> [ 77.403629] ---[ end trace b0a1385410b98c5a ]---

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