Re: [3.6.6] panic on reboot / khungtaskd blocked? (WARNING: at arch/x86/kernel/smp.c:123 native_smp_send_reschedule)

Paweł Sikora
2012-11-14T21:10:59Z

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On Wednesday 14 of November 2012 10:32:41 Michael Wang wrote:
> On 11/13/2012 05:40 PM, Paweł Sikora wrote:
> > On Monday 12 of November 2012 13:33:39 Paweł Sikora wrote:
> >> On Monday 12 of November 2012 11:22:47 Paweł Sikora wrote:
> >>> On Monday 12 of November 2012 15:40:31 Michael Wang wrote:
> >>>> On 11/12/2012 03:16 PM, Paweł Sikora wrote:
> >>>>> On Monday 12 of November 2012 11:04:12 Michael Wang wrote:
> >>>>>> On 11/09/2012 09:48 PM, Paweł Sikora wrote:
> >>>>>>> Hi,
> >>>>>>>
> >>>>>>> during playing with new ups i've caught an nice oops on reboot:
> >>>>>>>
> >>>>>>> http://imgbin.org/index.php?page=image&id=10253
> >>>>>>>
> >>>>>>> probably the upstream is also affected.
> >>>>>>
> >>>>>> Hi, Paweł
> >>>>>>
> >>>>>> Are you using a clean 3.6.6 without any modify?
> >>>>>
> >>>>> yes, pure 3.6.6 form git tree with modular config.
> >>>>>
> >>>>>> Looks like some threads has set itself to be UNINTERRUPTIBLE with out
> >>>>>> any design on switch itself back later(or the time is too long), are you
> >>>>>> accidentally using some bad designed module?
> >>>>>
> >>>>> hmm, hard to say. mostly all modules are loaded automatically by kernel.
> >>>>
> >>>> Could you please provide the whole dmesg in text? your picture lost the
> >>>> print info of the hung task.
> >>>
> >>> i've grabbed the console via rs232 but there's no more info (see attached txt).
> >>
> >> hmm, i have one observation.
> >>
> >> during rc.shutdown there're messages on console like this: Cannot stat file /proc/$pid/fd/1: Connection timed out
> >> afaics this file descriptor points to vnc log file on a remote machine, e.g.:
> >>
> >> # ps aux|grep xfwm4
> >> eda 1748 0.0 0.0 320220 11224 ? S 13:08 0:00 xfwm4
> >>
> >> # readlink -m /proc/1748/fd/1
> >> /remote/dragon/ahome/eda/.vnc/odra:11.log
> >>
> >> # mount|grep ahome
> >> dragon:/home/users/ on /remote/dragon/ahome type nfs (rw,relatime,vers=3,rsize=262144,wsize=262144,namlen=255,soft,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.0.2.121,mountvers=3,mountport=45251,mountproto=udp,local_lock=none,addr=10.0.2.121)
> >>
> >>
> >> so, probably during `killall5 -TERM/-KILL` on shutdown stage something sometimes go wrong
> >> and these processes (xfce4/vncserver) survive the signal and hang on the nfs i/o.
> >>
> >
> > ok, now i have full sysrq+w backtraces from shutdown process. i hope i'll help you.
>
> This can only tell us what's the task in UNINTERRUPTABLE state, but with
> out time info, we can't find out which one is the hung task...

attaching backtraces reported by khungtaskd during reboot sequence.

[-- Attachment #2: dmesg.txt --]
[-- Type: text/plain, Size: 36946 bytes --]

Please stand by while rebooting the system.........................^[[68G^[[m\x0f^[[36m[^[[m\x0f^[[32m DONE ^[[m\x0f^[[36m]^[[m\x0f^[[315m
\rINIT: no more processes left in this runlevel
[ 848.178329] INFO: task Xvnc:1983 blocked for more than 120 seconds.
[ 848.215849] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 848.262754] Xvnc D ffff88080fc53b40 0 1983 1 0x00000002
[ 848.305187] ffff880c0600bb98 0000000000000046 ffff880c09703de0 ffff880c0600bfd8
[ 848.349904] ffff880c0600bfd8 ffff880c0600bfd8 ffff880409c6d960 ffff880c09703de0
[ 848.394576] ffff880c0600bb98 ffff880c09703de0 ffff88080fc543a0 0000000000000002
[ 848.439197] Call Trace:
[ 848.453824] [<ffffffff810fd790>] ? __lock_page+0x70/0x70
[ 848.486161] [<ffffffff814a6064>] schedule+0x24/0x70
[ 848.515906] [<ffffffff814a613a>] io_schedule+0x8a/0xd0
[ 848.547208] [<ffffffff810fd799>] sleep_on_page+0x9/0x10
[ 848.578989] [<ffffffff814a43d8>] __wait_on_bit+0x58/0x90
[ 848.611328] [<ffffffff810fe1a1>] ? find_get_pages_tag+0xd1/0x180
[ 848.647785] [<ffffffff810fd8b8>] wait_on_page_bit+0x78/0x80
[ 848.681689] [<ffffffff81073130>] ? autoremove_wake_function+0x40/0x40
[ 848.720800] [<ffffffff810fddf9>] filemap_fdatawait_range+0xf9/0x190
[ 848.758860] [<ffffffff811091ac>] ? do_writepages+0x1c/0x40
[ 848.792249] [<ffffffff810fee61>] ? __filemap_fdatawrite_range+0x51/0x60
[ 848.832392] [<ffffffff810feed5>] filemap_write_and_wait_range+0x65/0x70
[ 848.872550] [<ffffffffa0504379>] nfs_file_fsync+0x39/0x90 [nfs]
[ 848.908524] [<ffffffff81189716>] vfs_fsync+0x26/0x40
[ 848.938797] [<ffffffffa0504a7e>] nfs_file_flush+0x6e/0x90 [nfs]
[ 848.974776] [<ffffffff8115ab4a>] filp_close+0x3a/0x90
[ 849.005569] [<ffffffff81055634>] put_files_struct+0x94/0xf0
[ 849.039467] [<ffffffff81055735>] exit_files+0x45/0x50
[ 849.070257] [<ffffffff81055bec>] do_exit+0x17c/0x8e0
[ 849.100517] [<ffffffff8112add8>] ? do_munmap+0x328/0x400
[ 849.132868] [<ffffffff8105669a>] do_group_exit+0x3a/0xa0
[ 849.165209] [<ffffffff81056712>] sys_exit_group+0x12/0x20
[ 849.198078] [<ffffffff814ae979>] system_call_fastpath+0x16/0x1b
[ 849.234060] sending NMI to all CPUs:
[ 849.255486] NMI backtrace for cpu 6
[ 849.276384] CPU 6
[ 849.287360] Pid: 94, comm: khungtaskd Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 849.336862] RIP: 0010:[<ffffffff81036b91>] [<ffffffff81036b91>] default_send_IPI_mask_sequence_phys+0x61/0xf0
[ 849.396771] RSP: 0018:ffff8804096b7e10 EFLAGS: 00000087
[ 849.428545] RAX: 0000000000000020 RBX: 000000000000b022 RCX: 0000000000000020
[ 849.471237] RDX: 0000000000000008 RSI: 0000000000000020 RDI: 0000000000000020
[ 849.513932] RBP: ffff8804096b7e50 R08: ffffffff8188bb50 R09: 0000000000000000
[ 849.556627] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8188bb50
[ 849.599321] R13: 0000000000000400 R14: 0000000000000282 R15: 0000000000000002
[ 849.642015] FS: 00007ff1f7b14800(0000) GS:ffff88080fc80000(0000) knlGS:00000000f66b0700
[ 849.690430] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 849.724802] CR2: 00007f099a748f80 CR3: 000000000180b000 CR4: 00000000000007e0
[ 849.767498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 849.810191] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 849.852886] Process khungtaskd (pid: 94, threadinfo ffff8804096b6000, task ffff881009c96720)
[ 849.903380] Stack:
[ 849.915393] 0000000000000017 0000000000000007 ffff8804096b7e70 0000000000002710
[ 849.959855] 00000000003fff66 0000000000000078 0000000000000366 ffff880c09703de0
[ 850.004315] ffff8804096b7e60 ffffffff8103a7b2 ffff8804096b7e80 ffffffff81036d8d
[ 850.048779] Call Trace:
[ 850.063395] [<ffffffff8103a7b2>] physflat_send_IPI_all+0x12/0x20
[ 850.099849] [<ffffffff81036d8d>] arch_trigger_all_cpu_backtrace+0x4d/0x80
[ 850.140983] [<ffffffff810c6ea7>] watchdog+0x237/0x250
[ 850.171714] [<ffffffff810c6c70>] ? hung_task_panic+0x20/0x20
[ 850.206088] [<ffffffff810727ce>] kthread+0x8e/0xa0
[ 850.235264] [<ffffffff814afa04>] kernel_thread_helper+0x4/0x10
[ 850.270676] [<ffffffff81072740>] ? kthread_freezable_should_stop+0x70/0x70
[ 850.312331] [<ffffffff814afa00>] ? gs_change+0x13/0x13
[ 850.343582] Code: c7 c3 22 b0 00 00 0f 1f 40 00 83 c2 01 be 20 00 00 00 4c 89 e7 48 63 d2 e8 2d de 22 00 89 c2 48 63 05 b8 60 85 00 48 39 c2 73 4d <48> 8b 04 d5 60 b5 88 81 41 83 ff 02 0f b7 34 03 74 54 8b 04 25
[ 850.459863] NMI backtrace for cpu 0
[ 850.480765] CPU 0
[ 850.491740] Pid: 0, comm: swapper/0 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 850.540204] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 850.589762] RSP: 0018:ffffffff81801eb8 EFLAGS: 00000246
[ 850.621535] RAX: 0000000000000000 RBX: ffffffff81801fd8 RCX: ffff88040fc00000
[ 850.664231] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000082
[ 850.706925] RBP: ffffffff81801eb8 R08: 0000000000000000 R09: 0000000000000000
[ 850.749620] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[ 850.792313] R13: ffffffff818f42e0 R14: ffff88101ffe0a40 R15: 0000000000000000
[ 850.835008] FS: 00007f099ac8a700(0000) GS:ffff88040fc00000(0000) knlGS:00000000f5eb5700
[ 850.883422] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 850.917794] CR2: 00007f099a748f80 CR3: 000000000180b000 CR4: 00000000000007f0
[ 850.960490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 851.003183] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 851.045877] Process swapper/0 (pid: 0, threadinfo ffffffff81800000, task ffffffff81813440)
[ 851.095332] Stack:
[ 851.107343] ffffffff81801ed8 ffffffff8101b33a ffffffff81801fd8 ffffffff8188bb50
[ 851.151807] ffffffff81801f08 ffffffff8101bfee ffffffff81801ef8 fce8490891c36da2
[ 851.196269] 0000000000000000 ffffffff818ea000 ffffffff81801f18 ffffffff8147f609
[ 851.240731] Call Trace:
[ 851.255348] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 851.287639] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 851.317853] [<ffffffff8147f609>] rest_init+0x6d/0x74
[ 851.348067] [<ffffffff818a8c30>] start_kernel+0x3bd/0x3ca
[ 851.380880] [<ffffffff818a8672>] ? repair_env_string+0x5e/0x5e
[ 851.416294] [<ffffffff818a8356>] x86_64_start_reservations+0x131/0x135
[ 851.455868] [<ffffffff818a845a>] x86_64_start_kernel+0x100/0x10f
[ 851.492320] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 851.608602] NMI backtrace for cpu 4
[ 851.629502] CPU 4
[ 851.640480] Pid: 0, comm: swapper/4 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 851.688943] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 851.738500] RSP: 0018:ffff880409c95ec8 EFLAGS: 00000246
[ 851.770274] RAX: 0000000000000000 RBX: ffff880409c95fd8 RCX: ffff88080fc00000
[ 851.812967] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 851.855661] RBP: ffff880409c95ec8 R08: 0000000000000000 R09: 0000000000000000
[ 851.898356] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004
[ 851.941051] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 851.983746] FS: 00007ff1f7b14800(0000) GS:ffff88080fc00000(0000) knlGS:00000000f14ff700
[ 852.032159] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 852.066534] CR2: 00007f21de3c6000 CR3: 000000000180b000 CR4: 00000000000007e0
[ 852.109228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 852.151921] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 852.194616] Process swapper/4 (pid: 0, threadinfo ffff880409c94000, task ffff880409c6d280)
[ 852.244070] Stack:
[ 852.256083] ffff880409c95ee8 ffffffff8101b33a ffff880409c95fd8 ffffffff8188bb50
[ 852.300544] ffff880409c95f18 ffffffff8101bfee ffff880409c95f08 2a6d812d6eacf31c
[ 852.345005] 0000000000000004 0000000000000000 ffff880409c95f48 ffffffff81494971
[ 852.389468] Call Trace:
[ 852.404087] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 852.436378] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 852.466594] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 852.500963] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 852.617243] NMI backtrace for cpu 1
[ 852.638144] CPU 1
[ 852.649121] Pid: 0, comm: swapper/1 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 852.697586] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 852.747090] RSP: 0018:ffff880409c8fec8 EFLAGS: 00000246
[ 852.778864] RAX: 0000000000000000 RBX: ffff880409c8ffd8 RCX: ffff88040fc40000
[ 852.821558] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 852.864252] RBP: ffff880409c8fec8 R08: 0000000000000000 R09: 0000000000000000
[ 852.906947] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[ 852.949642] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 852.992337] FS: 00007fbb1774a7c0(0000) GS:ffff88040fc40000(0000) knlGS:00000000f752e900
[ 853.040750] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 853.075123] CR2: 00007f579d439000 CR3: 000000000180b000 CR4: 00000000000007e0
[ 853.117818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 853.160511] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 853.203207] Process swapper/1 (pid: 0, threadinfo ffff880409c8e000, task ffff880409c6bde0)
[ 853.252659] Stack:
[ 853.264671] ffff880409c8fee8 ffffffff8101b33a ffff880409c8ffd8 ffffffff8188bb50
[ 853.309134] ffff880409c8ff18 ffffffff8101bfee ffff880409c8ff08 f785ee6277ffd7e8
[ 853.353597] 0000000000000001 0000000000000000 ffff880409c8ff48 ffffffff81494971
[ 853.398060] Call Trace:
[ 853.412674] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 853.444967] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 853.475183] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 853.509553] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 853.625833] NMI backtrace for cpu 5
[ 853.646736] CPU 5
[ 853.657712] Pid: 0, comm: swapper/5 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 853.706176] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 853.755683] RSP: 0018:ffff880409c97ec8 EFLAGS: 00000246
[ 853.787456] RAX: 0000000000000000 RBX: ffff880409c97fd8 RCX: ffff88080fc40000
[ 853.830149] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 853.872844] RBP: ffff880409c97ec8 R08: 0000000000000000 R09: 0000000000000000
[ 853.915538] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000005
[ 853.958231] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 854.000927] FS: 00007f099ac8a700(0000) GS:ffff88080fc40000(0000) knlGS:00000000f66f6700
[ 854.049340] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 854.083715] CR2: 00007f099a6e8ea2 CR3: 000000000180b000 CR4: 00000000000007e0
[ 854.126409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 854.169103] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 854.211798] Process swapper/5 (pid: 0, threadinfo ffff880409c96000, task ffff880409c6d960)
[ 854.261250] Stack:
[ 854.273262] ffff880409c97ee8 ffffffff8101b33a ffff880409c97fd8 ffffffff8188bb50
[ 854.317726] ffff880409c97f18 ffffffff8101bfee ffff880409c97f08 5ea3fe70ec50d401
[ 854.362189] 0000000000000005 0000000000000000 ffff880409c97f48 ffffffff81494971
[ 854.406651] Call Trace:
[ 854.421267] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 854.453560] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 854.483771] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 854.518145] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 854.634423] NMI backtrace for cpu 2
[ 854.655275] CPU 2
[ 854.666250] Pid: 0, comm: swapper/2 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 854.714714] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 854.764222] RSP: 0018:ffff880409c91ec8 EFLAGS: 00000246
[ 854.795995] RAX: 0000000000000000 RBX: ffff880409c91fd8 RCX: ffff88040fc80000
[ 854.838690] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 854.881383] RBP: ffff880409c91ec8 R08: 0000000000000000 R09: 0000000000000000
[ 854.924077] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
[ 854.966772] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 855.009466] FS: 00007f099ac8a700(0000) GS:ffff88040fc80000(0000) knlGS:00000000f1508700
[ 855.057879] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 855.092254] CR2: 0000000000d6ee20 CR3: 000000000180b000 CR4: 00000000000007e0
[ 855.134947] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 855.177640] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 855.220336] Process swapper/2 (pid: 0, threadinfo ffff880409c90000, task ffff880409c6c4c0)
[ 855.269789] Stack:
[ 855.281803] ffff880409c91ee8 ffffffff8101b33a ffff880409c91fd8 ffffffff8188bb50
[ 855.326264] ffff880409c91f18 ffffffff8101bfee ffff880409c91f08 67aebbba5654cd1d
[ 855.370728] 0000000000000002 0000000000000000 ffff880409c91f48 ffffffff81494971
[ 855.415189] Call Trace:
[ 855.429804] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 855.462097] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 855.492311] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 855.526683] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 855.642963] NMI backtrace for cpu 7
[ 855.663865] CPU 7
[ 855.674840] Pid: 0, comm: swapper/7 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 855.723304] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 855.772812] RSP: 0018:ffff880409c9bec8 EFLAGS: 00000246
[ 855.804585] RAX: 0000000000000000 RBX: ffff880409c9bfd8 RCX: ffff88080fcc0000
[ 855.847280] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 855.889973] RBP: ffff880409c9bec8 R08: 0000000000000000 R09: 0000000000000000
[ 855.932669] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000007
[ 855.975360] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 856.018056] FS: 00007f7bbf8f67c0(0000) GS:ffff88080fcc0000(0000) knlGS:00000000f1478700
[ 856.066470] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 856.100844] CR2: 000000000171e000 CR3: 00000008090d4000 CR4: 00000000000007e0
[ 856.143539] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 856.186233] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 856.228926] Process swapper/7 (pid: 0, threadinfo ffff880409c9a000, task ffff880409c6e720)
[ 856.278381] Stack:
[ 856.290395] ffff880409c9bee8 ffffffff8101b33a ffff880409c9bfd8 ffffffff8188bb50
[ 856.334855] ffff880409c9bf18 ffffffff8101bfee ffff880409c9bf08 71a70b983f967eb3
[ 856.379317] 0000000000000007 0000000000000000 ffff880409c9bf48 ffffffff81494971
[ 856.423779] Call Trace:
[ 856.438395] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 856.470687] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 856.500902] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 856.535275] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 856.651554] NMI backtrace for cpu 3
[ 856.672458] CPU 3
[ 856.683432] Pid: 0, comm: swapper/3 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 856.731895] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 856.781403] RSP: 0018:ffff880409c93ec8 EFLAGS: 00000246
[ 856.813176] RAX: 0000000000000000 RBX: ffff880409c93fd8 RCX: ffff88040fcc0000
[ 856.855871] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 856.898565] RBP: ffff880409c93ec8 R08: 0000000000000000 R09: 0000000000000000
[ 856.941259] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
[ 856.983951] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 857.026648] FS: 00007f099ac8a700(0000) GS:ffff88040fcc0000(0000) knlGS:00000000f7564900
[ 857.075061] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 857.109434] CR2: 0000000000da9070 CR3: 000000000180b000 CR4: 00000000000007e0
[ 857.152130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 857.194822] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 857.237518] Process swapper/3 (pid: 0, threadinfo ffff880409c92000, task ffff880409c6cba0)
[ 857.286972] Stack:
[ 857.298984] ffff880409c93ee8 ffffffff8101b33a ffff880409c93fd8 ffffffff8188bb50
[ 857.343445] ffff880409c93f18 ffffffff8101bfee ffff880409c93f08 a10c36868b36ca32
[ 857.387907] 0000000000000003 0000000000000000 ffff880409c93f48 ffffffff81494971
[ 857.432371] Call Trace:
[ 857.446985] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 857.479278] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 857.509491] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 857.543864] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 857.660147] NMI backtrace for cpu 12
[ 857.681567] CPU 12
[ 857.693065] Pid: 0, comm: swapper/12 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 857.742048] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 857.791606] RSP: 0018:ffff880409ca7ec8 EFLAGS: 00000246
[ 857.823380] RAX: 0000000000000000 RBX: ffff880409ca7fd8 RCX: ffff880c0fc00000
[ 857.866074] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 857.908768] RBP: ffff880409ca7ec8 R08: 0000000000000000 R09: 0000000000000000
[ 857.951460] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000c
[ 857.994154] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 858.036851] FS: 00007ff1f7b14800(0000) GS:ffff880c0fc00000(0000) knlGS:00000000f14ca700
[ 858.085265] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 858.119639] CR2: 00007f099a748f80 CR3: 000000000180b000 CR4: 00000000000007e0
[ 858.162332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 858.205027] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 858.247721] Process swapper/12 (pid: 0, threadinfo ffff880409ca6000, task ffff880409ca8dc0)
[ 858.297695] Stack:
[ 858.309708] ffff880409ca7ee8 ffffffff8101b33a ffff880409ca7fd8 ffffffff8188bb50
[ 858.354170] ffff880409ca7f18 ffffffff8101bfee ffff880409ca7f08 11fa63abb048bac6
[ 858.398632] 000000000000000c 0000000000000000 ffff880409ca7f48 ffffffff81494971
[ 858.443094] Call Trace:
[ 858.457712] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 858.490054] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 858.520269] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 858.554639] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 858.670919] NMI backtrace for cpu 8
[ 858.691823] CPU 8
[ 858.702798] Pid: 0, comm: swapper/8 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 858.751262] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 858.800819] RSP: 0018:ffff880409c9dec8 EFLAGS: 00000246
[ 858.832594] RAX: 0000000000000000 RBX: ffff880409c9dfd8 RCX: ffff88101fc00000
[ 858.875288] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 858.917981] RBP: ffff880409c9dec8 R08: 0000000000000000 R09: 0000000000000000
[ 858.960677] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000008
[ 859.003370] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 859.046066] FS: 00007f3267d9a700(0000) GS:ffff88101fc00000(0000) knlGS:00000000f150d700
[ 859.094480] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 859.128853] CR2: 00007f234a66b000 CR3: 0000001008e3c000 CR4: 00000000000007e0
[ 859.171548] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 859.214241] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 859.256936] Process swapper/8 (pid: 0, threadinfo ffff880409c9c000, task ffff880409c6ee00)
[ 859.306388] Stack:
[ 859.318401] ffff880409c9dee8 ffffffff8101b33a ffff880409c9dfd8 ffffffff8188bb50
[ 859.362864] ffff880409c9df18 ffffffff8101bfee ffff880409c9df08 3cf7a838b217e5f7
[ 859.407326] 0000000000000008 0000000000000000 ffff880409c9df48 ffffffff81494971
[ 859.451788] Call Trace:
[ 859.466406] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 859.498696] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 859.528913] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 859.563283] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 859.679563] NMI backtrace for cpu 9
[ 859.700464] CPU 9
[ 859.711440] Pid: 0, comm: swapper/9 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 859.759904] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 859.809412] RSP: 0018:ffff880409ca1ec8 EFLAGS: 00000246
[ 859.841185] RAX: 0000000000000000 RBX: ffff880409ca1fd8 RCX: ffff88101fc40000
[ 859.883880] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 859.926573] RBP: ffff880409ca1ec8 R08: 0000000000000000 R09: 0000000000000000
[ 859.969267] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000009
[ 860.011961] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 860.054655] FS: 00007f4c8af59800(0000) GS:ffff88101fc40000(0000) knlGS:00000000f150d700
[ 860.103069] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 860.137444] CR2: 00007f4c8a822ff0 CR3: 000000000180b000 CR4: 00000000000007e0
[ 860.180137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 860.222831] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 860.265525] Process swapper/9 (pid: 0, threadinfo ffff880409ca0000, task ffff880409c6f4e0)
[ 860.314981] Stack:
[ 860.326993] ffff880409ca1ee8 ffffffff8101b33a ffff880409ca1fd8 ffffffff8188bb50
[ 860.371454] ffff880409ca1f18 ffffffff8101bfee ffff880409ca1f08 a6decd2f1e05a4f8
[ 860.415916] 0000000000000009 0000000000000000 ffff880409ca1f48 ffffffff81494971
[ 860.460379] Call Trace:
[ 860.460861] Kernel panic - not syncing: hung_task: blocked tasks
[ 860.460863] Pid: 94, comm: khungtaskd Not tainted 3.6.6-dirty #16
[ 860.460864] Call Trace:
[ 860.460868] [<ffffffff8149d2a8>] panic+0xbc/0x1cb
[ 860.460871] [<ffffffff810c6eb5>] watchdog+0x245/0x250
[ 860.460873] [<ffffffff810c6c70>] ? hung_task_panic+0x20/0x20
[ 860.460875] [<ffffffff810727ce>] kthread+0x8e/0xa0
[ 860.460877] [<ffffffff814afa04>] kernel_thread_helper+0x4/0x10
[ 860.460880] [<ffffffff81072740>] ? kthread_freezable_should_stop+0x70/0x70
[ 860.460882] [<ffffffff814afa00>] ? gs_change+0x13/0x13
[ 860.793252] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 860.825544] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 860.855757] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 860.890129] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 861.006411] NMI backtrace for cpu 13
[ 861.027834] CPU 13
[ 861.039328] Pid: 0, comm: swapper/13 Not tainted 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 861.088310] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 861.137818] RSP: 0018:ffff880409cb1ec8 EFLAGS: 00000246
[ 861.169592] RAX: 0000000000000000 RBX: ffff880409cb1fd8 RCX: ffff880c0fc40000
[ 861.212285] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 861.254981] RBP: ffff880409cb1ec8 R08: 0000000000000000 R09: 0000000000000000
[ 861.297673] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000d
[ 861.340368] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 861.383063] FS: 00007f747e47f700(0000) GS:ffff880c0fc40000(0000) knlGS:00000000f66a4700
[ 861.431476] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 861.465850] CR2: 00007f747df7e000 CR3: 000000000180b000 CR4: 00000000000007e0
[ 861.508544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 861.537562] Shutting down cpus with NMI
[ 861.548335] ------------[ cut here ]------------
[ 861.548338] WARNING: at arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x53/0x60()
[ 861.548338] Hardware name: H8DGU
[ 861.548384] Modules linked in: nfsv4 fuse nfsv3 nfs fscache nfsd lockd nfs_acl auth_rpcgss sunrpc ipmi_si ipmi_devintf ipmi_msghandler sch_sfq iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter xt_TCPMSS xt_tcpudp iptable_mangle ip_tables ip6table_filter ip6_tables x_tables ext4 jbd2 crc16 raid0 dm_mod autofs4 dummy ide_cd_mod cdrom ata_generic pata_acpi pata_atiixp ide_pci_generic powernow_k8 freq_table mperf kvm_amd kvm igb joydev microcode evdev hid_generic sp5100_tco pcspkr dca k10temp amd64_edac_mod edac_core edac_mce_amd hwmon atiixp button ide_core i2c_piix4 ptp pps_core i2c_core processor ext3 jbd mbcache sd_mod crc_t10dif raid1 md_mod ahci libahci libata scsi_mod usbhid hid ohci_hcd ehci_hcd usbcore usb_common
[ 861.548386] Pid: 94, comm: khungtaskd Not tainted 3.6.6-dirty #16
[ 861.548386] Call Trace:
[ 861.548391] <IRQ> [<ffffffff810500da>] warn_slowpath_common+0x7a/0xb0
[ 861.548393] [<ffffffff81050125>] warn_slowpath_null+0x15/0x20
[ 861.548395] [<ffffffff81034d73>] native_smp_send_reschedule+0x53/0x60
[ 861.548399] [<ffffffff81089fcc>] trigger_load_balance+0x17c/0x220
[ 861.548403] [<ffffffff81081ae4>] scheduler_tick+0x104/0x140
[ 861.548408] [<ffffffff810611d7>] update_process_times+0x67/0x80
[ 861.548411] [<ffffffff8109e579>] tick_sched_timer+0x69/0xe0
[ 861.548414] [<ffffffff810769ce>] __run_hrtimer+0x6e/0x1c0
[ 861.548416] [<ffffffff8109e510>] ? tick_nohz_handler+0x100/0x100
[ 861.548418] [<ffffffff81058a15>] ? __do_softirq+0x115/0x1f0
[ 861.548421] [<ffffffff810772af>] hrtimer_interrupt+0xef/0x220
[ 861.548423] [<ffffffff814afafc>] ? call_softirq+0x1c/0x30
[ 861.548426] [<ffffffff81035b34>] smp_apic_timer_interrupt+0x64/0xa0
[ 861.548428] [<ffffffff814af40a>] apic_timer_interrupt+0x6a/0x70
[ 861.548430] <EOI> [<ffffffff8149d373>] ? panic+0x187/0x1cb
[ 861.548433] [<ffffffff810c6eb5>] watchdog+0x245/0x250
[ 861.548435] [<ffffffff810c6c70>] ? hung_task_panic+0x20/0x20
[ 861.548437] [<ffffffff810727ce>] kthread+0x8e/0xa0
[ 861.548440] [<ffffffff814afa04>] kernel_thread_helper+0x4/0x10
[ 861.548442] [<ffffffff81072740>] ? kthread_freezable_should_stop+0x70/0x70
[ 861.548444] [<ffffffff814afa00>] ? gs_change+0x13/0x13
[ 861.548445] ---[ end trace 4a85d404c32ab0c8 ]---
[ 862.879854] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 862.922549] Process swapper/13 (pid: 0, threadinfo ffff880409cb0000, task ffff880409ca94a0)
[ 862.972521] Stack:
[ 862.984534] ffff880409cb1ee8 ffffffff8101b33a ffff880409cb1fd8 ffffffff8188bb50
[ 863.028998] ffff880409cb1f18 ffffffff8101bfee ffff880409cb1f08 7ac917725c85a4e0
[ 863.073459] 000000000000000d 0000000000000000 ffff880409cb1f48 ffffffff81494971
[ 863.117920] Call Trace:
[ 863.132537] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 863.164829] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 863.195044] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 863.229415] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 863.345694] NMI backtrace for cpu 10
[ 863.367066] CPU 10
[ 863.378562] Pid: 0, comm: swapper/10 Tainted: G W 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 863.433264] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 863.482773] RSP: 0018:ffff880409ca3ec8 EFLAGS: 00000246
[ 863.514546] RAX: 0000000000000000 RBX: ffff880409ca3fd8 RCX: ffff88101fc80000
[ 863.557240] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 863.599933] RBP: ffff880409ca3ec8 R08: 0000000000000000 R09: 0000000000000000
[ 863.642627] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000a
[ 863.685323] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 863.728017] FS: 00007f234a65a700(0000) GS:ffff88101fc80000(0000) knlGS:00000000f151c700
[ 863.776432] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 863.810804] CR2: 00007fec589980d0 CR3: 000000000180b000 CR4: 00000000000007e0
[ 863.853499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 863.896194] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 863.938887] Process swapper/10 (pid: 0, threadinfo ffff880409ca2000, task ffff880409ca8000)
[ 863.988860] Stack:
[ 864.000874] ffff880409ca3ee8 ffffffff8101b33a ffff880409ca3fd8 ffffffff8188bb50
[ 864.045336] ffff880409ca3f18 ffffffff8101bfee ffff880409ca3f08 30213da4f9a40d47
[ 864.089799] 000000000000000a 0000000000000000 ffff880409ca3f48 ffffffff81494971
[ 864.134261] Call Trace:
[ 864.148876] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 864.181168] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 864.211383] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 864.245753] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 864.362035] NMI backtrace for cpu 14
[ 864.383456] CPU 14
[ 864.394954] Pid: 0, comm: swapper/14 Tainted: G W 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 864.449657] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 864.499163] RSP: 0018:ffff880409cb3ec8 EFLAGS: 00000246
[ 864.530937] RAX: 0000000000000000 RBX: ffff880409cb3fd8 RCX: ffff880c0fc80000
[ 864.573630] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 864.616325] RBP: ffff880409cb3ec8 R08: 0000000000000000 R09: 0000000000000000
[ 864.659020] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000e
[ 864.701714] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 864.744409] FS: 00007ff1f7b14800(0000) GS:ffff880c0fc80000(0000) knlGS:00000000f14ef700
[ 864.792823] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 864.827196] CR2: 00007fd945056000 CR3: 000000000180b000 CR4: 00000000000007e0
[ 864.869888] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 864.912585] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 864.955278] Process swapper/14 (pid: 0, threadinfo ffff880409cb2000, task ffff880409ca9b80)
[ 865.005253] Stack:
[ 865.017266] ffff880409cb3ee8 ffffffff8101b33a ffff880409cb3fd8 ffffffff8188bb50
[ 865.061727] ffff880409cb3f18 ffffffff8101bfee ffff880409cb3f08 0b1e43a076898cad
[ 865.106188] 000000000000000e 0000000000000000 ffff880409cb3f48 ffffffff81494971
[ 865.150651] Call Trace:
[ 865.165268] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 865.197560] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 865.227774] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 865.262146] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 865.378426] NMI backtrace for cpu 11
[ 865.399849] CPU 11
[ 865.411343] Pid: 0, comm: swapper/11 Tainted: G W 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 865.466049] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 865.515555] RSP: 0018:ffff880409ca5ec8 EFLAGS: 00000246
[ 865.547329] RAX: 0000000000000000 RBX: ffff880409ca5fd8 RCX: ffff88101fcc0000
[ 865.590023] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 865.632716] RBP: ffff880409ca5ec8 R08: 0000000000000000 R09: 0000000000000000
[ 865.675409] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000b
[ 865.718103] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 865.760798] FS: 00007f234a65a700(0000) GS:ffff88101fcc0000(0000) knlGS:00000000f152c700
[ 865.809214] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 865.843587] CR2: 00007f234a17de90 CR3: 000000000180b000 CR4: 00000000000007e0
[ 865.886281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 865.928976] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 865.971670] Process swapper/11 (pid: 0, threadinfo ffff880409ca4000, task ffff880409ca86e0)
[ 866.021642] Stack:
[ 866.033657] ffff880409ca5ee8 ffffffff8101b33a ffff880409ca5fd8 ffffffff8188bb50
[ 866.078119] ffff880409ca5f18 ffffffff8101bfee ffff880409ca5f08 e1bbaf01fd1fa00f
[ 866.122580] 000000000000000b 0000000000000000 ffff880409ca5f48 ffffffff81494971
[ 866.167043] Call Trace:
[ 866.181658] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 866.213951] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 866.244164] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 866.278538] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84
[ 866.394816] NMI backtrace for cpu 15
[ 866.416241] CPU 15
[ 866.427736] Pid: 0, comm: swapper/15 Tainted: G W 3.6.6-dirty #16 Supermicro H8DGU/H8DGU
[ 866.482439] RIP: 0010:[<ffffffff8103ee56>] [<ffffffff8103ee56>] native_safe_halt+0x6/0x10
[ 866.531946] RSP: 0018:ffff880409cb5ec8 EFLAGS: 00000246
[ 866.563720] RAX: 0000000000000000 RBX: ffff880409cb5fd8 RCX: ffff880c0fcc0000
[ 866.606413] RDX: ffffffff8182aec0 RSI: 0000000000000001 RDI: 0000000000000086
[ 866.649108] RBP: ffff880409cb5ec8 R08: 0000000000000000 R09: 0000000000000000
[ 866.691802] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000f
[ 866.734496] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 866.777190] FS: 00007ff1f7b14800(0000) GS:ffff880c0fcc0000(0000) knlGS:00000000f1508700
[ 866.825605] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 866.859977] CR2: 00007f077cd22090 CR3: 000000000180b000 CR4: 00000000000007e0
[ 866.902671] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 866.945366] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 866.988061] Process swapper/15 (pid: 0, threadinfo ffff880409cb4000, task ffff880409caa260)
[ 867.038035] Stack:
[ 867.050048] ffff880409cb5ee8 ffffffff8101b33a ffff880409cb5fd8 ffffffff8188bb50
[ 867.094511] ffff880409cb5f18 ffffffff8101bfee ffff880409cb5f08 3ed59b31c93c7740
[ 867.138971] 000000000000000f 0000000000000000 ffff880409cb5f48 ffffffff81494971
[ 867.183435] Call Trace:
[ 867.198049] [<ffffffff8101b33a>] default_idle+0x4a/0x190
[ 867.230341] [<ffffffff8101bfee>] cpu_idle+0xfe/0x120
[ 867.260557] [<ffffffff81494971>] start_secondary+0x1d4/0x1db
[ 867.294928] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e