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SubjectRe: [seqcount] INFO: trying to register non-static key.
On Tue, Nov 12, 2013 at 04:29:56PM +0100, Peter Zijlstra wrote:
> On Tue, Nov 12, 2013 at 10:15:41AM -0500, Vivek Goyal wrote:
> > I see that we allocate per cpu stats but don't do any initializations.
> >
> > static void tg_stats_alloc_fn(struct work_struct *work)
> > {
> > static struct tg_stats_cpu *stats_cpu; /* this fn is non-reentrant */
> > struct delayed_work *dwork = to_delayed_work(work);
> > bool empty = false;
> >
> > alloc_stats:
> > if (!stats_cpu) {
> > stats_cpu = alloc_percpu(struct tg_stats_cpu);
> > if (!stats_cpu) {
> > /* allocation failed, try again after some time */
> > schedule_delayed_work(dwork, msecs_to_jiffies(10));
> > return;
> > }
> > }
> >
> > spin_lock_irq(&tg_stats_alloc_lock);
>
> Absolutely!
>
> Something like this perhaps? Did I miss more blkg_[rw]stats? If I read
> the git grep output right, this was the last one.

It changed the error into another one:

/kernel/i386-randconfig-j7-11082318/9d0d532888f6e77970016c0c270ddececfab8f9e

+---------------------------------------------------------+-------+--------------+--------------+--------------+
| | v3.12 | 838cc7b488f8 | d3516a7318f8 | 9d0d532888f6 |
+---------------------------------------------------------+-------+--------------+--------------+--------------+
| boot_successes | 129 | 0 | 0 | 0 |
| boot_failures | 1 | 100 | 100 | 100 |
| BUG:kernel_early_hang_without_any_printk_output | 1 | | | |
| INFO:trying_to_register_non-static_key | 0 | 100 | 100 | |
| BUG:unable_to_handle_kernel_NULL_pointer_dereference_at | 0 | 0 | 0 | 98 |
| Oops:SMP | 0 | 0 | 0 | 100 |
| BUG:unable_to_handle_kernel_paging_request_at | 0 | 0 | 0 | 100 |
| BUG:unable_to_handle_kernel | 0 | 0 | 0 | 2 |
+---------------------------------------------------------+-------+--------------+--------------+--------------+

Here are 3 of the call traces. Attached 1 full dmesg.

dmesg-quantal-ant-3:20131113183320:i386-randconfig-j7-11082318:3.12.0-00187-g9d0d532:1

[ 52.578884] SCSI Media Changer driver v0.25
[ 52.781957] scsi_debug: host protection
[ 52.783001] scsi0 : scsi_debug, version 1.82 [20100324], dev_size_mb=8, opts=0x0
[ 52.846181] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 52.846293] IP: [<78287084>] lockdep_init_map+0xd/0x544
[ 52.846293] *pde = 00000000
[ 52.846293] Oops: 0002 [#1] SMP
[ 52.846293] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 3.12.0-00187-g9d0d532 #1
[ 52.846293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.846293] Workqueue: events tg_stats_alloc_fn
[ 52.846293] task: 854f0070 ti: 854f6000 task.ti: 854f6000
[ 52.846293] EIP: 0060:[<78287084>] EFLAGS: 00000296 CPU: 0
[ 52.846293] EIP is at lockdep_init_map+0xd/0x544
[ 52.846293] EAX: 00000004 EBX: 79d614b0 ECX: 79d614b0 EDX: 793fba74
[ 52.846293] ESI: 00000004 EDI: 79d614b8 EBP: 854f7e90 ESP: 854f7e78
[ 52.846293] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 52.846293] CR0: 8005003b CR2: 00000008 CR3: 018a4000 CR4: 000006d0
[ 52.846293] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 52.846293] DR6: 00000000 DR7: 00000000
[ 52.846293] Stack:
[ 52.846293] 0000014a 0000014b 854bd740 00000000 00000000 79d614b8 854f7eac 785fae1d
[ 52.846293] 00000000 795aea60 854bd740 00000000 00000000 854f7ef8 7826bae8 00000000
[ 52.846293] 00000001 00000000 7826ba8f 854a6a00 85bf0700 795aea60 85bef380 795aea60
[ 52.846293] Call Trace:
[ 52.846293] [<785fae1d>] tg_stats_alloc_fn+0xe3/0x155
[ 52.846293] [<7826bae8>] process_one_work+0x1ef/0x349
[ 52.846293] [<7826ba8f>] ? process_one_work+0x196/0x349
[ 52.846293] [<7826c039>] worker_thread+0x1a3/0x274
[ 52.846293] [<7826be96>] ? rescuer_thread+0x233/0x233
[ 52.846293] [<78270649>] kthread+0x8a/0x8f
[ 52.846293] [<78270000>] ? SyS_timer_gettime+0x43/0x9e
[ 52.846293] [<78fbac7b>] ret_from_kernel_thread+0x1b/0x30
[ 52.846293] [<782705bf>] ? __kthread_parkme+0x50/0x50
[ 52.846293] Code: f0 8b 7d e8 64 ff 0d 68 d7 74 79 89 70 10 89 78 14 e9 9b fe ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 89 c6 53 89 cb 83 ec 0c <c7> 40 04 00 00 00 00 c7 40 08 00 00 00 00 64 a1 10 d0 74 79 89
[ 52.846293] EIP: [<78287084>] lockdep_init_map+0xd/0x544 SS:ESP 0068:854f7e78
[ 52.846293] CR2: 0000000000000008
[ 52.870492] ---[ end trace cee670421f9807b7 ]---
[ 52.871070] kworker/0:0 (4) used greatest stack depth: 6464 bytes left

dmesg-quantal-ant-3:20131113183450:i386-randconfig-j7-11082318:3.12.0-00187-g9d0d532:1

[ 60.495607] scsi_debug: host protection
[ 60.496526] scsi0 : scsi_debug, version 1.82 [20100324], dev_size_mb=8, opts=0x0
[ 60.549921] scsi 0:0:0:0: Direct-Access Linux scsi_debug 0004 PQ: 0 ANSI: 5
[ 60.574257] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 60.574284] IP: [<78287084>] lockdep_init_map+0xd/0x544
[ 60.574284] *pde = 00000000
[ 60.574284] Oops: 0002 [#1] SMP
[ 60.574284] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 3.12.0-00187-g9d0d532 #1
[ 60.574284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.574284] Workqueue: events tg_stats_alloc_fn
[ 60.574284] task: 854f0070 ti: 854f6000 task.ti: 854f6000
[ 60.574284] EIP: 0060:[<78287084>] EFLAGS: 00000296 CPU: 0
[ 60.574284] EIP is at lockdep_init_map+0xd/0x544
[ 60.574284] EAX: 00000004 EBX: 79d614b0 ECX: 79d614b0 EDX: 793fba74
[ 60.574284] ESI: 00000004 EDI: 79d614b8 EBP: 854f7e90 ESP: 854f7e78
[ 60.574284] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 60.574284] CR0: 8005003b CR2: 00000008 CR3: 018a4000 CR4: 000006d0
[ 60.574284] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 60.574284] DR6: 00000000 DR7: 00000000
[ 60.574284] Stack:
[ 60.574284] 0000014a 0000014b 854bd740 00000000 00000000 79d614b8 854f7eac 785fae1d
[ 60.574284] 00000000 795aea60 854bd740 00000000 00000000 854f7ef8 7826bae8 00000000
[ 60.574284] 00000001 00000000 7826ba8f 854a6a00 85bf0700 795aea60 85bef380 795aea60
[ 60.574284] Call Trace:
[ 60.574284] [<785fae1d>] tg_stats_alloc_fn+0xe3/0x155
[ 60.574284] [<7826bae8>] process_one_work+0x1ef/0x349
[ 60.574284] [<7826ba8f>] ? process_one_work+0x196/0x349
[ 60.574284] [<7826c039>] worker_thread+0x1a3/0x274
[ 60.574284] [<7826be96>] ? rescuer_thread+0x233/0x233
[ 60.574284] [<78270649>] kthread+0x8a/0x8f
[ 60.574284] [<78270000>] ? SyS_timer_gettime+0x43/0x9e
[ 60.574284] [<78fbac7b>] ret_from_kernel_thread+0x1b/0x30
[ 60.574284] [<782705bf>] ? __kthread_parkme+0x50/0x50
[ 60.574284] Code: f0 8b 7d e8 64 ff 0d 68 d7 74 79 89 70 10 89 78 14 e9 9b fe ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 89 c6 53 89 cb 83 ec 0c <c7> 40 04 00 00 00 00 c7 40 08 00 00 00 00 64 a1 10 d0 74 79 89
[ 60.574284] EIP: [<78287084>] lockdep_init_map+0xd/0x544 SS:ESP 0068:854f7e78
[ 60.574284] CR2: 0000000000000008
[ 60.598000] ---[ end trace 2de24a556554a2aa ]---
[ 60.598976] kworker/0:0 (4) used greatest stack depth: 6464 bytes left

dmesg-quantal-ant-6:20131113183449:i386-randconfig-j7-11082318:3.12.0-00187-g9d0d532:1

[ 54.292005] SCSI Media Changer driver v0.25
[ 54.459617] scsi_debug: host protection
[ 54.460597] scsi0 : scsi_debug, version 1.82 [20100324], dev_size_mb=8, opts=0x0
[ 54.519306] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 54.519328] IP: [<78287084>] lockdep_init_map+0xd/0x544
[ 54.519328] *pde = 00000000
[ 54.519328] Oops: 0002 [#1] SMP
[ 54.519328] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 3.12.0-00187-g9d0d532 #1
[ 54.519328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.519328] Workqueue: events tg_stats_alloc_fn
[ 54.519328] task: 854f0070 ti: 854f6000 task.ti: 854f6000
[ 54.519328] EIP: 0060:[<78287084>] EFLAGS: 00000296 CPU: 0
[ 54.519328] EIP is at lockdep_init_map+0xd/0x544
[ 54.519328] EAX: 00000004 EBX: 79d614b0 ECX: 79d614b0 EDX: 793fba74
[ 54.519328] ESI: 00000004 EDI: 79d614b8 EBP: 854f7e90 ESP: 854f7e78
[ 54.519328] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 54.519328] CR0: 8005003b CR2: 00000008 CR3: 018a4000 CR4: 000006d0
[ 54.519328] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 54.519328] DR6: 00000000 DR7: 00000000
[ 54.519328] Stack:
[ 54.519328] 0000014a 0000014b 854bd740 00000000 00000000 79d614b8 854f7eac 785fae1d
[ 54.519328] 00000000 795aea60 854bd740 00000000 00000000 854f7ef8 7826bae8 00000000
[ 54.519328] 00000001 00000000 7826ba8f 854a6a00 85bf0700 795aea60 85bef380 795aea60
[ 54.519328] Call Trace:
[ 54.519328] [<785fae1d>] tg_stats_alloc_fn+0xe3/0x155
[ 54.519328] [<7826bae8>] process_one_work+0x1ef/0x349
[ 54.519328] [<7826ba8f>] ? process_one_work+0x196/0x349
[ 54.519328] [<7826c039>] worker_thread+0x1a3/0x274
[ 54.519328] [<7826be96>] ? rescuer_thread+0x233/0x233
[ 54.519328] [<78270649>] kthread+0x8a/0x8f
[ 54.519328] [<78270000>] ? SyS_timer_gettime+0x43/0x9e
[ 54.519328] [<78fbac7b>] ret_from_kernel_thread+0x1b/0x30
[ 54.519328] [<782705bf>] ? __kthread_parkme+0x50/0x50
[ 54.519328] Code: f0 8b 7d e8 64 ff 0d 68 d7 74 79 89 70 10 89 78 14 e9 9b fe ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 89 c6 53 89 cb 83 ec 0c <c7> 40 04 00 00 00 00 c7 40 08 00 00 00 00 64 a1 10 d0 74 79 89
[ 54.519328] EIP: [<78287084>] lockdep_init_map+0xd/0x544 SS:ESP 0068:854f7e78
[ 54.519328] CR2: 0000000000000008
[ 54.543176] ---[ end trace ddf2d30616f27d7a ]---
[ 54.544356] kworker/0:0 (4) used greatest stack depth: 6464 bytes left

Thanks,
Fengguang

[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.12.0-00187-g9d0d532 (kbuild@jaketown) (gcc version 4.8.1 (Debian 4.8.1-8) ) #1 SMP Wed Nov 13 10:56:00 CST 2013
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] UMC UMC UMC UMC
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000000fffdfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000fffe000-0x000000000fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] debug: ignoring loglevel setting.
[ 0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
[ 0.000000] SMBIOS 2.4 present.
[ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0xfffe max_arch_pfn = 0x100000
[ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff]
[ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff]
[ 0.000000] found SMP MP-table at [mem 0x000fdac0-0x000fdacf] mapped at [780fdac0]
[ 0.000000] mpc: fdad0-fdbec
[ 0.000000] initial memory mapped: [mem 0x00000000-0x023fffff]
[ 0.000000] Base memory trampoline at [7809b000] 9b000 size 16384
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x0e000000-0x0e3fffff]
[ 0.000000] [mem 0x0e000000-0x0e3fffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x08000000-0x0dffffff]
[ 0.000000] [mem 0x08000000-0x0dffffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x07ffffff]
[ 0.000000] [mem 0x00100000-0x003fffff] page 4k
[ 0.000000] [mem 0x00400000-0x07ffffff] page 2M
[ 0.000000] init_memory_mapping: [mem 0x0e400000-0x0fffdfff]
[ 0.000000] [mem 0x0e400000-0x0fbfffff] page 2M
[ 0.000000] [mem 0x0fc00000-0x0fffdfff] page 4k
[ 0.000000] BRK [0x01e81000, 0x01e81fff] PGTABLE
[ 0.000000] BRK [0x01e82000, 0x01e83fff] PGTABLE
[ 0.000000] log_buf_len: 8388608
[ 0.000000] early log buf free: 128404(97%)
[ 0.000000] RAMDISK: [mem 0x0e73f000-0x0ffeffff]
[ 0.000000] ACPI: RSDP 000fd930 00014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0fffe450 00034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACP 0fffff80 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.000000] ACPI: DSDT 0fffe490 011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528)
[ 0.000000] ACPI: FACS 0fffff40 00040
[ 0.000000] ACPI: SSDT 0ffff7a0 00796 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: APIC 0ffff680 00080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
[ 0.000000] ACPI: HPET 0ffff640 00038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] mapped APIC to ffffa000 ( fee00000)
[ 0.000000] 0MB HIGHMEM available.
[ 0.000000] 255MB LOWMEM available.
[ 0.000000] mapped low ram: 0 - 0fffe000
[ 0.000000] low ram: 0 - 0fffe000
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:fffd001, boot clock
[ 0.000000] BRK [0x01e84000, 0x01e84fff] PGTABLE
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x00001000-0x00ffffff]
[ 0.000000] Normal [mem 0x01000000-0x0fffdfff]
[ 0.000000] HighMem empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009efff]
[ 0.000000] node 0: [mem 0x00100000-0x0fffdfff]
[ 0.000000] On node 0 totalpages: 65436
[ 0.000000] DMA zone: 32 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 3998 pages, LIFO batch:0
[ 0.000000] Normal zone: 480 pages used for memmap
[ 0.000000] Normal zone: 61438 pages, LIFO batch:15
[ 0.000000] Using APIC driver default
[ 0.000000] ACPI: PM-Timer IO Port: 0xb008
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] mapped APIC to ffffa000 ( fee00000)
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
[ 0.000000] ACPI: IRQ5 used by override.
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] ACPI: IRQ10 used by override.
[ 0.000000] ACPI: IRQ11 used by override.
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
[ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] mapped IOAPIC to ffff9000 (fec00000)
[ 0.000000] nr_irqs_gsi: 40
[ 0.000000] e820: [mem 0x10000000-0xfeffbfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] setup_percpu: NR_CPUS:32 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 331 pages/cpu @85aa9000 s1340296 r0 d15480 u1355776
[ 0.000000] pcpu-alloc: s1340296 r0 d15480 u1355776 alloc=331*4096
[ 0.000000] pcpu-alloc: [0] 0 [0] 1
[ 0.000000] kvm-clock: cpu 0, msr 0:fffd001, primary cpu clock
[ 0.000000] KVM setup async PF for cpu 0
[ 0.000000] kvm-stealtime: cpu 0, msr daab7c0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64924
[ 0.000000] Kernel command line: hung_task_panic=1 rcutree.rcu_cpu_stall_timeout=100 log_buf_len=8M ignore_loglevel debug sched_debug apic=debug dynamic_printk sysrq_always_enabled panic=10 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/wfg:fix-blkg_stat_init/.vmlinuz-9d0d532888f6e77970016c0c270ddececfab8f9e-20131113105621-85-cairo branch=wfg/fix-blkg_stat_init BOOT_IMAGE=/kernel/i386-randconfig-j7-11082318/9d0d532888f6e77970016c0c270ddececfab8f9e/vmlinuz-3.12.0-00187-g9d0d532
[ 0.000000] sysrq: sysrq always enabled.
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Initializing CPU#0
[ 0.000000] Initializing HighMem for node 0 (00000000:00000000)
[ 0.000000] Memory: 194064K/261744K available (14067K kernel code, 1182K rwdata, 5916K rodata, 1944K init, 5976K bss, 67680K reserved, 0K highmem)
[ 0.000000] virtual kernel memory layout:
[ 0.000000] fixmap : 0xffa95000 - 0xfffff000 (5544 kB)
[ 0.000000] pkmap : 0xff400000 - 0xff800000 (4096 kB)
[ 0.000000] vmalloc : 0x887fe000 - 0xff3fe000 (1900 MB)
[ 0.000000] lowmem : 0x78000000 - 0x87ffe000 ( 255 MB)
[ 0.000000] .init : 0x796ae000 - 0x79894000 (1944 kB)
[ 0.000000] .data : 0x78fbd11b - 0x796adb00 (7106 kB)
[ 0.000000] .text : 0x78200000 - 0x78fbd11b (14068 kB)
[ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000]
[ 0.000000]
[ 0.000000] NR_IRQS:2304 nr_irqs:512 16
[ 0.000000] CPU 0 irqstacks, hard=8540c000 soft=8540e000
[ 0.000000] console [ttyS0] enabled
[ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.000000] ... MAX_LOCK_DEPTH: 48
[ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
[ 0.000000] ... CLASSHASH_SIZE: 4096
[ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384
[ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768
[ 0.000000] ... CHAINHASH_SIZE: 16384
[ 0.000000] memory used by lock dependency info: 3807 kB
[ 0.000000] per task-struct memory footprint: 1920 bytes
[ 0.000000] allocated 524288 bytes of page_cgroup
[ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
[ 0.000000] ODEBUG: 0 of 0 active objects replaced
[ 0.000000] hpet clockevent registered
[ 0.000000] tsc: Detected 2893.008 MHz processor
[ 0.003000] Calibrating delay loop (skipped) preset value.. 5786.01 BogoMIPS (lpj=2893008)
[ 0.004010] pid_max: default: 4096 minimum: 301
[ 0.005278] Security Framework initialized
[ 0.006017] AppArmor: AppArmor disabled by boot time parameter
[ 0.007104] Mount-cache hash table entries: 512
[ 0.009546] Initializing cgroup subsys memory
[ 0.010078] Initializing cgroup subsys devices
[ 0.011016] Initializing cgroup subsys blkio
[ 0.012012] Initializing cgroup subsys net_prio
[ 0.013238] mce: CPU supports 10 MCE banks
[ 0.014090] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.014090] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.014090] tlb_flushall_shift: 6
[ 0.021252] Freeing SMP alternatives memory: 52K (79894000 - 798a1000)
[ 0.030574] ACPI: Core revision 20130725
[ 0.035680] ACPI: All ACPI Tables successfully acquired
[ 0.037216] Getting VERSION: 50014
[ 0.037871] Getting VERSION: 50014
[ 0.038020] Getting ID: 0
[ 0.039022] Getting ID: f000000
[ 0.039603] Getting LVT0: 8700
[ 0.040014] Getting LVT1: 8400
[ 0.041011] Enabling APIC mode: Flat. Using 1 I/O APICs
[ 0.042140] enabled ExtINT on CPU#0
[ 0.045077] ENABLING IO-APIC IRQs
[ 0.045720] init IO_APIC IRQs
[ 0.046009] apic 0 pin 0 not connected
[ 0.047020] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[ 0.048047] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[ 0.049048] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[ 0.050042] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[ 0.051041] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1)
[ 0.053110] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[ 0.054037] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[ 0.055041] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[ 0.056042] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1)
[ 0.057038] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1)
[ 0.058039] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1)
[ 0.059041] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[ 0.060041] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[ 0.061047] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[ 0.062040] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[ 0.063034] apic 0 pin 16 not connected
[ 0.064015] apic 0 pin 17 not connected
[ 0.064716] apic 0 pin 18 not connected
[ 0.065005] apic 0 pin 19 not connected
[ 0.066005] apic 0 pin 20 not connected
[ 0.067005] apic 0 pin 21 not connected
[ 0.067737] apic 0 pin 22 not connected
[ 0.068005] apic 0 pin 23 not connected
[ 0.069173] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.070005] smpboot: CPU0: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01)
[ 0.072006] Using local APIC timer interrupts.
[ 0.072006] calibrating APIC timer ...
[ 0.074000] ... lapic delta = 6250082
[ 0.074000] ... PM-Timer delta = 357959
[ 0.074000] ... PM-Timer result ok
[ 0.074000] ..... delta 6250082
[ 0.074000] ..... mult: 268438977
[ 0.074000] ..... calibration result: 1000013
[ 0.074000] ..... CPU clock speed is 2893.0009 MHz.
[ 0.074000] ..... host bus clock speed is 1000.0013 MHz.
[ 0.074154] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only.
[ 0.080962] CPU 1 irqstacks, hard=85526000 soft=85528000
[ 0.081005] smpboot: Booting Node 0, Processors # 1 OK
[ 0.002000] Initializing CPU#1
[ 0.003000] kvm-clock: cpu 1, msr 0:fffd041, secondary cpu clock
[ 0.003000] masked ExtINT on CPU#1
[ 0.097129] Brought up 2 CPUs
[ 0.097072] KVM setup async PF for cpu 1
[ 0.097072] kvm-stealtime: cpu 1, msr dbf67c0
[ 0.098005] smpboot: Total of 2 processors activated (11572.03 BogoMIPS)
[ 0.101252] devtmpfs: initialized
[ 0.104145] EVM: security.selinux
[ 0.104717] EVM: security.SMACK64
[ 0.105004] EVM: security.ima
[ 0.105532] EVM: security.capability
[ 0.107945] xor: measuring software checksum speed
[ 0.118004] pIII_sse : 8064.000 MB/sec
[ 0.128005] prefetch64-sse: 8864.000 MB/sec
[ 0.128813] xor: using function: prefetch64-sse (8864.000 MB/sec)
[ 0.130311] regulator-dummy: no parameters
[ 0.131457] NET: Registered protocol family 16
[ 0.133983] cpuidle: using governor ladder
[ 0.134005] cpuidle: using governor menu
[ 0.136675] ACPI: bus type PCI registered
[ 0.137057] dca service started, version 1.12.1
[ 0.138081] PCI: PCI BIOS revision 2.10 entry at 0xfc6d5, last bus=0
[ 0.170019] bio: create slab <bio-0> at 0
[ 0.188018] raid6: mmxx1 2500 MB/s
[ 0.205013] raid6: mmxx2 2812 MB/s
[ 0.222034] raid6: sse1x1 2171 MB/s
[ 0.239019] raid6: sse1x2 2804 MB/s
[ 0.256009] raid6: sse2x1 4316 MB/s
[ 0.273012] raid6: sse2x2 5421 MB/s
[ 0.273699] raid6: using algorithm sse2x2 (5421 MB/s)
[ 0.274005] raid6: using intx1 recovery algorithm
[ 0.275535] ACPI: Added _OSI(Module Device)
[ 0.276006] ACPI: Added _OSI(Processor Device)
[ 0.277006] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.278006] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.282422] ACPI: EC: Look up EC in DSDT
[ 0.292761] ACPI: Interpreter enabled
[ 0.293020] ACPI: (supports S0 S5)
[ 0.294004] ACPI: Using IOAPIC for interrupt routing
[ 0.295025] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.314638] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.315014] acpi PNP0A03:00: Unable to request _OSC control (_OSC support mask: 0x08)
[ 0.316739] PCI host bridge to bus 0000:00
[ 0.317000] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.317000] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.317007] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff]
[ 0.318000] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.320009] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff]
[ 0.321083] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 0.323331] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[ 0.325580] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[ 0.331007] pci 0000:00:01.1: reg 0x20: [io 0xc1c0-0xc1cf]
[ 0.334612] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 0.336503] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 0.337022] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB
[ 0.338673] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000
[ 0.340022] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref]
[ 0.343021] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff]
[ 0.354020] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[ 0.356535] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[ 0.359007] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff]
[ 0.362007] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f]
[ 0.371876] pci 0000:00:03.0: reg 0x30: [mem 0xfebc0000-0xfebdffff pref]
[ 0.372616] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000
[ 0.373000] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f]
[ 0.374000] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff]
[ 0.381047] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000
[ 0.383889] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc0bf]
[ 0.386007] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff]
[ 0.397493] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000
[ 0.400008] pci 0000:00:06.0: reg 0x10: [io 0xc0c0-0xc0ff]
[ 0.403007] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff]
[ 0.414118] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000
[ 0.417007] pci 0000:00:07.0: reg 0x10: [io 0xc100-0xc13f]
[ 0.419007] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff]
[ 0.430452] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000
[ 0.433006] pci 0000:00:08.0: reg 0x10: [io 0xc140-0xc17f]
[ 0.436007] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff]
[ 0.446779] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000
[ 0.449007] pci 0000:00:09.0: reg 0x10: [io 0xc180-0xc1bf]
[ 0.452007] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff]
[ 0.463154] pci 0000:00:0a.0: [8086:25ab] type 00 class 0x088000
[ 0.465007] pci 0000:00:0a.0: reg 0x10: [mem 0xfebf7000-0xfebf700f]
[ 0.472520] pci_bus 0000:00: on NUMA node 0
[ 0.474945] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[ 0.476429] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.477636] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.479332] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[ 0.480490] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[ 0.482921] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 0.483017] ACPI: \_SB_.PCI0: notify handler is installed
[ 0.484184] Found 1 acpi root devices
[ 0.488615] SCSI subsystem initialized
[ 0.489087] libata version 3.00 loaded.
[ 0.490190] ACPI: bus type USB registered
[ 0.491082] usbcore: registered new interface driver usbfs
[ 0.492052] usbcore: registered new interface driver hub
[ 0.493157] usbcore: registered new device driver usb
[ 0.494307] pps_core: LinuxPPS API ver. 1 registered
[ 0.495005] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.496036] PTP clock support registered
[ 0.497312] wmi: Mapper loaded
[ 0.498058] PCI: Using ACPI for IRQ routing
[ 0.499005] PCI: pci_cache_line_size set to 64 bytes
[ 0.500369] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[ 0.501009] e820: reserve RAM buffer [mem 0x0fffe000-0x0fffffff]
[ 0.503365] NET: Registered protocol family 23
[ 0.504110] Bluetooth: Core ver 2.16
[ 0.504779] NET: Registered protocol family 31
[ 0.505004] Bluetooth: HCI device and connection manager initialized
[ 0.506022] Bluetooth: HCI socket layer initialized
[ 0.507015] Bluetooth: L2CAP socket layer initialized
[ 0.508044] Bluetooth: SCO socket layer initialized
[ 0.509007] NET: Registered protocol family 8
[ 0.510004] NET: Registered protocol family 20
[ 0.511068] NetLabel: Initializing
[ 0.511679] NetLabel: domain hash size = 128
[ 0.512004] NetLabel: protocols = UNLABELED CIPSOv4
[ 0.513108] NetLabel: unlabeled traffic allowed by default
[ 0.514005] nfc: nfc_init: NFC Core ver 0.1
[ 0.515106] NET: Registered protocol family 39
[ 0.517664] Switched to clocksource kvm-clock
[ 0.518273] FS-Cache: Loaded
[ 0.519029] CacheFiles: Loaded
[ 0.519676] pnp: PnP ACPI init
[ 0.520276] ACPI: bus type PNP registered
[ 0.521050] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:3)
[ 0.522572] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.523764] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:3)
[ 0.525281] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[ 0.526491] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:3)
[ 0.527945] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[ 0.529213] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:3)
[ 0.530591] pnp 00:03: [dma 2]
[ 0.531232] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[ 0.532458] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:3)
[ 0.533957] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[ 0.535186] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:3)
[ 0.536653] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.538515] pnp 00:06: Plug and Play ACPI device, IDs PNP0103 (active)
[ 0.540037] pnp: PnP ACPI: found 7 devices
[ 0.540747] ACPI: bus type PNP unregistered
[ 0.577623] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
[ 0.578579] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
[ 0.579541] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
[ 0.580617] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff]
[ 0.582033] NET: Registered protocol family 2
[ 0.583490] TCP established hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.584756] TCP bind hash table entries: 2048 (order: 4, 90112 bytes)
[ 0.586038] TCP: Hash tables configured (established 2048 bind 2048)
[ 0.587255] TCP: reno registered
[ 0.587802] UDP hash table entries: 128 (order: 1, 12288 bytes)
[ 0.588835] UDP-Lite hash table entries: 128 (order: 1, 12288 bytes)
[ 0.590324] NET: Registered protocol family 1
[ 0.591662] RPC: Registered named UNIX socket transport module.
[ 0.592804] RPC: Registered udp transport module.
[ 0.593739] RPC: Registered tcp transport module.
[ 0.594585] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.595731] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.596888] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[ 0.598041] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.599191] pci 0000:00:02.0: Boot video device
[ 0.600137] PCI: CLS 0 bytes, default 64
[ 0.601376] Unpacking initramfs...
[ 1.839331] Freeing initrd memory: 25284K (8673f000 - 87ff0000)
[ 1.841676] kvm: no hardware support
[ 1.842617] Machine check injector initialized
[ 1.844452] cryptomgr_test (24) used greatest stack depth: 7364 bytes left
[ 1.846127] PCLMULQDQ-NI instructions are not detected.
[ 1.847149] The force parameter has not been set to 1. The Iris poweroff handler will not be installed.
[ 1.850680] Initializing RT-Tester: OK
[ 1.852090] audit: initializing netlink socket (disabled)
[ 1.853126] type=2000 audit(1384311413.078:1): initialized
[ 1.854829] HugeTLB registered 4 MB page size, pre-allocated 0 pages
[ 1.856765] VFS: Disk quotas dquot_6.5.2
[ 1.857675] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 1.859879] DLM installed
[ 1.862601] FS-Cache: Netfs 'nfs' registered for caching
[ 1.864882] Key type cifs.spnego registered
[ 1.865784] Key type cifs.idmap registered
[ 1.866783] JFS: nTxBlock = 1714, nTxLock = 13712
[ 1.869116] 9p: Installing v9fs 9p2000 file system support
[ 1.870210] FS-Cache: Netfs '9p' registered for caching
[ 1.871355] NILFS version 2 loaded
[ 1.871959] OCFS2 1.5.0
[ 1.872833] ocfs2: Registered cluster interface o2cb
[ 1.873814] OCFS2 DLMFS 1.5.0
[ 1.874592] OCFS2 User DLM kernel interface loaded
[ 1.875456] OCFS2 Node Manager 1.5.0
[ 1.876516] OCFS2 DLM 1.5.0
[ 1.877691] bio: create slab <bio-1> at 1
[ 1.879234] Btrfs loaded, debug=on, assert=on
[ 1.879992] btrfs: selftest: Running btrfs free space cache tests
[ 1.881092] btrfs: selftest: Running extent only tests
[ 1.882115] btrfs: selftest: Running bitmap only tests
[ 1.883082] btrfs: selftest: Running bitmap and extent tests
[ 1.884168] btrfs: selftest: Free space cache tests finished
[ 1.886137] GFS2 installed
[ 1.894813] NET: Registered protocol family 38
[ 1.895729] Key type asymmetric registered
[ 1.896766] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 1.898334] io scheduler noop registered (default)
[ 1.899228] io scheduler deadline registered
[ 1.900187] io scheduler cfq registered
[ 1.900967] list_sort_test: start testing list_sort()
[ 1.902676] test_string_helpers: Running tests...
[ 1.910481] crc32: CRC_LE_BITS = 1, CRC_BE BITS = 1
[ 1.911398] crc32: self tests passed, processed 225944 bytes in 3355690 nsec
[ 1.916352] crc32c: CRC_LE_BITS = 1
[ 1.916954] crc32c: self tests passed, processed 225944 bytes in 1786916 nsec
[ 1.918818] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 1.919828] cpqphp: Compaq Hot Plug PCI Controller Driver version: 0.9.8
[ 1.921276] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
[ 1.922951] rivafb_setup START
[ 1.923762] VIA Graphics Integration Chipset framebuffer 2.4 initializing
[ 1.925482] no IO addresses supplied
[ 1.927060] cirrusfb 0000:00:02.0: Cirrus Logic chipset on PCI bus, RAM (4096 kB) at 0xfc000000
[ 1.929301] usbcore: registered new interface driver smscufx
[ 1.930842] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 1.932191] ACPI: Power Button [PWRF]
[ 1.933630] ioatdma: Intel(R) QuickData Technology Driver 4.00
[ 1.935312] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 1.959704] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 1.962908] Cyclades driver 2.6
[ 1.963668] MOXA Intellio family driver version 6.0k
[ 1.964758] Initializing Nozomi driver 2.1d
[ 1.965716] RocketPort device driver module, version 2.09, 12-June-2003
[ 1.966994] No rocketport ports found; unloading driver
[ 1.967940] SyncLink GT
[ 1.968511] SyncLink GT, tty major#247
[ 1.969334] SyncLink GT no devices found
[ 1.970038] SyncLink MultiPort driver $Revision: 4.38 $
[ 1.991650] SyncLink MultiPort driver $Revision: 4.38 $, tty major#246
[ 1.992914] SyncLink serial driver $Revision: 4.38 $
[ 2.014459] SyncLink serial driver $Revision: 4.38 $, tty major#245
[ 2.016304] lp: driver loaded but no devices found
[ 2.017185] Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $
[ 2.018539] ac.o: No PCI boards found.
[ 2.019214] ac.o: For an ISA board you must supply memory and irq parameters.
[ 2.020572] toshiba: not a supported Toshiba laptop
[ 2.021533] ppdev: user-space parallel port driver
[ 2.022519] platform pc8736x_gpio.0: NatSemi pc8736x GPIO Driver Initializing
[ 2.023821] platform pc8736x_gpio.0: no device found
[ 2.024938] nsc_gpio initializing
[ 2.025688] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds).
[ 2.027330] Hangcheck: Using getrawmonotonic().
[ 2.028425] [drm] Initialized drm 1.1.0 20060810
[ 2.029682] [drm] radeon kernel modesetting enabled.
[ 2.031290] parport_pc 00:04: reported by Plug and Play ACPI
[ 2.032493] parport0: PC-style at 0x378, irq 7 [PCSPP(,...)]
[ 2.034306] lp0: using parport0 (interrupt-driven).
[ 2.036300] ibmasm: IBM ASM Service Processor Driver version 1.0 loaded
[ 2.037652] dummy-irq: no IRQ given. Use irq=N
[ 2.038537] lkdtm: No crash points registered, enable through debugfs
[ 2.039760] Phantom Linux Driver, version n0.9.8, init OK
[ 2.041053] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
[ 2.042572] c2port c2port0: C2 port uc added
[ 2.043343] c2port c2port0: uc flash has 30 blocks x 512 bytes (15360 bytes total)
[ 2.045103] Guest personality initialized and is inactive
[ 2.046345] VMCI host device registered (name=vmci, major=10, minor=59)
[ 2.047550] Initialized host personality
[ 2.048876] usbcore: registered new interface driver viperboard
[ 2.050873] Loading iSCSI transport class v2.0-870.
[ 2.053281] iscsi: registered transport (tcp)
[ 2.054492] Adaptec aacraid driver 1.2-0[30200]-ms
[ 2.056474] isci: Intel(R) C600 SAS Controller Driver - version 1.1.0
[ 2.058000] scsi: <fdomain> Detection failed (no card)
[ 2.060780] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
[ 2.061891] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:3)
[ 2.064892] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
[ 2.066032] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:3)
[ 2.069105] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10
[ 2.071679] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[ 2.545544] DC390: clustering now enabled by default. If you get problems load
[ 2.546879] with "disable_clustering=1" and report to maintainers
[ 2.548222] megasas: 06.700.06.00-rc1 Sat. Aug. 31 17:00:00 PDT 2013
[ 2.549565] GDT-HA: Storage RAID Controller Driver. Version: 3.05
[ 2.550768] 3ware Storage Controller device driver for Linux v1.26.02.003.
[ 2.552074] imm: Version 2.05 (for Linux 2.4.0)
[ 2.553713] ipr: IBM Power RAID SCSI Device Driver version: 2.6.0 (November 16, 2012)
[ 2.555181] RocketRAID 3xxx/4xxx Controller driver v1.8
[ 2.556238] stex: Promise SuperTrak EX Driver version: 4.6.0000.4
[ 2.557425] libcxgbi:libcxgbi_init_module: tag itt 0x1fff, 13 bits, age 0xf, 4 bits.
[ 2.558846] libcxgbi:ddp_setup_host_page_size: system PAGE 4096, ddp idx 0.
[ 2.560162] Chelsio T3 iSCSI Driver cxgb3i v2.0.0 (Jun. 2010)
[ 2.561285] iscsi: registered transport (cxgb3i)
[ 2.562217] Chelsio T4/T5 iSCSI Driver cxgb4i v0.9.4
[ 2.563206] iscsi: registered transport (cxgb4i)
[ 2.564182] iscsi: registered transport (be2iscsi)
[ 2.565048] In beiscsi_module_init, tt=7960ed3c
[ 2.566077] esas2r: driver will not be loaded because no ATTO esas2r devices were found
[ 2.567953] SCSI Media Changer driver v0.25
[ 2.571493] scsi_debug: host protection
[ 2.572336] scsi0 : scsi_debug, version 1.82 [20100324], dev_size_mb=8, opts=0x0
[ 2.574455] BUG: unable to handle kernel NULL pointer dereference at 00000008
[ 2.575017] IP: [<78287084>] lockdep_init_map+0xd/0x544
[ 2.575017] *pde = 00000000
[ 2.575017] Oops: 0002 [#1] SMP
[ 2.575017] CPU: 0 PID: 23 Comm: kworker/0:1 Not tainted 3.12.0-00187-g9d0d532 #1
[ 2.575017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.575017] Workqueue: events tg_stats_alloc_fn
[ 2.575017] task: 8567a030 ti: 856cc000 task.ti: 856cc000
[ 2.575017] EIP: 0060:[<78287084>] EFLAGS: 00010296 CPU: 0
[ 2.575017] EIP is at lockdep_init_map+0xd/0x544
[ 2.575017] EAX: 00000004 EBX: 79d614b0 ECX: 79d614b0 EDX: 793fba74
[ 2.575017] ESI: 00000004 EDI: 79d614b8 EBP: 856cde90 ESP: 856cde78
[ 2.575017] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 2.575017] CR0: 8005003b CR2: 00000008 CR3: 018a4000 CR4: 000006d0
[ 2.575017] Stack:
[ 2.575017] 0000014a 0000014b 85622380 00000000 00000000 79d614b8 856cdeac 785fae1d
[ 2.575017] 00000000 795aea60 85622380 00000000 00000000 856cdef8 7826bae8 00000000
[ 2.575017] 00000001 00000000 7826ba8f 854a7a00 85bf0700 795aea60 85bef380 795aea60
[ 2.575017] Call Trace:
[ 2.575017] [<785fae1d>] tg_stats_alloc_fn+0xe3/0x155
[ 2.575017] [<7826bae8>] process_one_work+0x1ef/0x349
[ 2.575017] [<7826ba8f>] ? process_one_work+0x196/0x349
[ 2.575017] [<7826c039>] worker_thread+0x1a3/0x274
[ 2.575017] [<7826be96>] ? rescuer_thread+0x233/0x233
[ 2.575017] [<78270649>] kthread+0x8a/0x8f
[ 2.575017] [<78270000>] ? SyS_timer_gettime+0x43/0x9e
[ 2.575017] [<78fbac7b>] ret_from_kernel_thread+0x1b/0x30
[ 2.575017] [<782705bf>] ? __kthread_parkme+0x50/0x50
[ 2.575017] Code: f0 8b 7d e8 64 ff 0d 68 d7 74 79 89 70 10 89 78 14 e9 9b fe ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 89 c6 53 89 cb 83 ec 0c <c7> 40 04 00 00 00 00 c7 40 08 00 00 00 00 64 a1 10 d0 74 79 89
[ 2.575017] EIP: [<78287084>] lockdep_init_map+0xd/0x544 SS:ESP 0068:856cde78
[ 2.575017] CR2: 0000000000000008
[ 2.609817] ---[ end trace 7fb3ec8edd1e1f51 ]---
[ 2.610145] scsi 0:0:0:0: Direct-Access Linux scsi_debug 0004 PQ: 0 ANSI: 5
[ 2.610698] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 2.611445] SSFDC read-only Flash Translation layer
[ 2.611524] device id = 2440
[ 2.611528] device id = 2480
[ 2.611532] device id = 24c0
[ 2.611536] device id = 24d0
[ 2.611540] device id = 25a1
[ 2.611543] device id = 2670
[ 2.611608] Generic platform RAM MTD, (c) 2004 Simtec Electronics
[ 2.611678] Ramix PMC551 PCI Mezzanine Ram Driver. (C) 1999,2000 Nortel Networks.
[ 2.611682] pmc551: not detected
[ 2.613285] Spectra MTD driver built on Nov 13 2013 @ 10:54:17
[ 2.621685] kworker/0:1 (23) used greatest stack depth: 6448 bytes left
[ 2.622968] BUG: unable to handle kernel paging request at ffffffc8
[ 2.623933] IP: [<78270787>] kthread_data+0xa/0xe
[ 2.623933] *pde = 01e83067 *pte = 00000000
[ 2.623933] Oops: 0000 [#2] SMP
[ 2.623933] CPU: 0 PID: 23 Comm: kworker/0:1 Tainted: G D 3.12.0-00187-g9d0d532 #1
[ 2.623933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2.623933] task: 8567a030 ti: 856cc000 task.ti: 856cc000
[ 2.623933] EIP: 0060:[<78270787>] EFLAGS: 00010002 CPU: 0
[ 2.623933] EIP is at kthread_data+0xa/0xe
[ 2.623933] EAX: 00000000 EBX: 00000000 ECX: 798b3858 EDX: 00000000
[ 2.623933] ESI: 8567a030 EDI: 00000000 EBP: 856cdc74 ESP: 856cdc6c
[ 2.623933] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 2.623933] CR0: 8005003b CR2: 00000014 CR3: 018a4000 CR4: 000006d0
[ 2.623933] Stack:
[ 2.623933] 7826b5d8 8567a2e4 856cdce8 78fb5ac8 79892a00 79892a00 856cdca4 78fa3a0e
[ 2.623933] 854a3880 85befa00 8567a030 854a1a80 856cdca4 78295bba 856cdcc0 00000202
[ 2.623933] 00000002 00000202 8567a030 8567a030 00000000 856cdccc 78295df5 00000000
[ 2.623933] Call Trace:
[ 2.623933] [<7826b5d8>] ? wq_worker_sleeping+0xb/0x6e
[ 2.623933] [<78fb5ac8>] __schedule+0x104/0x797
[ 2.623933] [<78fa3a0e>] ? cache_flusharray+0xc0/0xc8
[ 2.623933] [<78295bba>] ? rcu_is_watching+0xf/0x18
[ 2.623933] [<78295df5>] ? call_rcu_sched+0xf/0x12
[ 2.623933] [<7825c3fd>] ? release_task+0x2d8/0x2eb
[ 2.623933] [<78fb61ad>] schedule+0x52/0x54
[ 2.623933] [<7825d886>] do_exit+0x73d/0x76c
[ 2.623933] [<7822daf1>] oops_end+0xdc/0x109
[ 2.623933] [<78fa2003>] no_context+0x161/0x16b
[ 2.651466] No valid DiskOnChip devices found
[ 2.651489] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0
[ 2.651490] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0
[ 2.651492] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0
[ 2.651493] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0
[ 2.651494] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0
[ 2.651495] [nandsim] warning: read_byte: unexpected data output cycle, state is STATE_READY return 0x0
[ 2.651499] NAND device: Manufacturer ID: 0x98, Chip ID: 0x39 (Toshiba NAND 128MiB 1,8V 8-bit), 128MiB, page size: 512, OOB size: 16
[ 2.651657] flash size: 128 MiB
[ 2.651658] page size: 512 bytes
[ 2.651659] OOB area size: 16 bytes
[ 2.651659] sector size: 16 KiB
[ 2.651660] pages number: 262144
[ 2.651661] pages per sector: 32
[ 2.651662] bus width: 8
[ 2.651662] bits in sector size: 14
[ 2.651663] bits in page size: 9
[ 2.651664] bits in OOB size: 4
[ 2.651665] flash size with OOB: 135168 KiB
[ 2.651665] page address bytes: 4
[ 2.651666] sector address bytes: 3
[ 2.651667] options: 0x42
[ 2.623933] [<78250d78>] ? kvm_clock_read+0x1f/0x29
[ 2.623933] [<78fa2269>] __bad_area_nosemaphore+0x13d/0x147
[ 2.623933] [<782508e2>] ? kvm_read_and_reset_pf_reason+0x39/0x39
[ 2.623933] [<78fa2280>] bad_area_nosemaphore+0xd/0x10
[ 2.623933] [<78252aaf>] __do_page_fault+0x28a/0x3f6
[ 2.623933] [<7827b870>] ? sched_clock_cpu+0x105/0x113
[ 2.623933] [<782508e2>] ? kvm_read_and_reset_pf_reason+0x39/0x39
[ 2.623933] [<78252d5d>] do_page_fault+0x8/0xa
[ 2.623933] [<78250905>] do_async_page_fault+0x23/0x61
[ 2.623933] [<78fbaa7a>] error_code+0x5a/0x60
[ 2.623933] [<782508e2>] ? kvm_read_and_reset_pf_reason+0x39/0x39
[ 2.623933] [<78287084>] ? lockdep_init_map+0xd/0x544
[ 2.623933] [<785fae1d>] tg_stats_alloc_fn+0xe3/0x155
[ 2.623933] [<7826bae8>] process_one_work+0x1ef/0x349
[ 2.623933] [<7826ba8f>] ? process_one_work+0x196/0x349
[ 2.623933] [<7826c039>] worker_thread+0x1a3/0x274
[ 2.623933] [<7826be96>] ? rescuer_thread+0x233/0x233
[ 2.623933] [<78270649>] kthread+0x8a/0x8f
[ 2.623933] [<78270202>] ? SyS_timer_delete+0x61/0xd9
[ 2.623933] [<78fbac7b>] ret_from_kernel_thread+0x1b/0x30
[ 2.623933] [<782705bf>] ? __kthread_parkme+0x50/0x50
[ 2.623933] Code: ba 72 00 00 00 53 89 c3 b8 62 a1 38 79 e8 68 a4 00 00 85 db 74 03 c6 03 00 e8 aa ff ff ff 5b 5d c3 55 8b 80 88 02 00 00 89 e5 5d <8b> 40 c8 c3 55 b9 04 00 00 00 89 e5 52 8b 90 88 02 00 00 8d 45
[ 2.623933] EIP: [<78270787>] kthread_data+0xa/0xe SS:ESP 0068:856cdc6c
[ 2.623933] CR2: 00000000ffffffc8
[ 2.623933] ---[ end trace 7fb3ec8edd1e1f52 ]---
[ 2.623933] Fixing recursive fault but reboot is needed!

Elapsed time: 10
qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel /kernel/i386-randconfig-j7-11082318/9d0d532888f6e77970016c0c270ddececfab8f9e/vmlinuz-3.12.0-00187-g9d0d532 -append 'hung_task_panic=1 rcutree.rcu_cpu_stall_timeout=100 log_buf_len=8M ignore_loglevel debug sched_debug apic=debug dynamic_printk sysrq_always_enabled panic=10 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kernel-tests/run-queue/kvm/i386-randconfig-j7-11082318/wfg:fix-blkg_stat_init/.vmlinuz-9d0d532888f6e77970016c0c270ddececfab8f9e-20131113105621-85-cairo branch=wfg/fix-blkg_stat_init BOOT_IMAGE=/kernel/i386-randconfig-j7-11082318/9d0d532888f6e77970016c0c270ddececfab8f9e/vmlinuz-3.12.0-00187-g9d0d532' -initrd /kernel-tests/initrd/quantal-core-i386.cgz -m 256M -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -drive file=/fs/LABEL=KVM/disk0-quantal-cairo-10,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk1-quantal-cairo-10,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk2-quantal-cairo-10,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk3-quantal-cairo-10,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk4-quantal-cairo-10,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk5-quantal-cairo-10,media=disk,if=virtio -pidfile /dev/shm/kboot/pid-quantal-cairo-10 -serial file:/dev/shm/kboot/serial-quantal-cairo-10 -daemonize -display none -monitor null
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