[1] Here are *some* of the kernel logs (obtained via netconsole output to another server). I have many more OOPS examples, but didn't want this email to be overly long: [5314892.518312] BUG: unable to handle kernel paging request at ffffffff7f180530 [5314892.518343] IP: [] 0xffffffff7f18052f [5314892.518361] PGD 180f067 PUD 0 [5314892.518374] Oops: 0010 [#1] SMP [5314892.518386] Modules linked in: netconsole configfs fuse btrfs raid6_pq zlib_deflate xor ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c reiserfs nls_utf8 nls_cp437 vfat fat usb_storage sha256_generic dm_crypt dm_mod parport_pc ppdev lp parport bnep rfcomm bluetooth rfkill cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc loop raid1 md_mod snd_hda_codec_realtek snd_hda_codec_hdmi joydev hid_generic hid_kensington usbhid hid x86_pkg_temp_thermal coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 ablk_helper cryptd lrw gf128mul glue_helper snd_hda_intel snd_hda_codec iTCO_wdt iTCO_vendor_support snd_hwdep evdev snd_pcm snd_page_alloc snd_seq i915 snd_seq_device snd_timer psmouse drm_kms_helper snd drm microcode soundcore serio_raw pcspkr lpc_ich i2c_i801 mei_me mfd_core mei acpi_cpufreq mperf processor video button ext4 crc16 mbcache jbd2 sg sd_mod crc_t10dif ahci igb libahci i2c_algo_bit i2c_core libata dca scsi_mod ehci_pci ehci_hcd fan xhci_hcd thermal thermal_sys e1000e usbcore ptp usb_common pps_core [5314892.518784] CPU: 0 PID: 24302 Comm: gvfs-afc-volume Not tainted 3.11-0.bpo.2-amd64 #1 Debian 3.11.10-1~bpo70+1 [5314892.518809] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [5314892.518833] task: ffff88081e5db840 ti: ffff88081db86000 task.ti: ffff88081db86000 [5314892.518851] RIP: 0010:[] [] 0xffffffff7f18052f [5314892.518873] RSP: 0018:ffff88081db87f00 EFLAGS: 00010282 [5314892.518887] RAX: 0000000000000004 RBX: 00007f22542dad00 RCX: 0000000000000008 [5314892.518904] RDX: 00007f22542dad00 RSI: ffff88081db87f10 RDI: 00007f22562610f2 [5314892.518921] RBP: 00007f22562610f2 R08: 00007f22542dac40 R09: 0000000000000000 [5314892.518939] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f22570d81a0 [5314892.518956] R13: 00007f22542db9c0 R14: 00007f2258626040 R15: 0000000000000003 [5314892.518973] FS: 00007f22542db700(0000) GS:ffff88083fa00000(0000) knlGS:0000000000000000 [5314892.518992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [5314892.519006] CR2: ffffffff7f180530 CR3: 00000007d8713000 CR4: 00000000001407f0 [5314892.519023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [5314892.519040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [5314892.519057] Stack: [5314892.519064] ffffffff81180562 0000000000005eee ffffffff814a7f0d 6366612d73667667 [5314892.519087] 00656d756c6f762d 0000000000000000 0000000090f14c50 0000000000000000 [5314892.519110] 00007f22542dade0 00007f22542dace0 00000000ffffffff 00007f22542db9c0 [5314892.519133] Call Trace: [5314892.519143] [] ? SYSC_newstat+0x12/0x30 [5314892.519160] [] ? do_nanosleep+0x8d/0x110 [5314892.519175] [] ? SyS_nanosleep+0x5d/0x70 [5314892.519191] [] ? system_call_fastpath+0x16/0x1b [5314892.519207] Code: Bad RIP value. [5314892.519221] RIP [] 0xffffffff7f18052f [5314892.519237] RSP [5314892.519246] CR2: ffffffff7f180530 [5314892.524155] ---[ end trace 43fc827669f10a2c ]--- [108440.835190] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [108440.835224] IP: [<0000000000000010>] 0xf [108440.835240] PGD 0 [108440.835249] Oops: 0010 [#1] SMP [108440.835262] Modules linked in: dm_crypt dm_mod parport_pc ppdev lp parport bnep rfcomm bluetooth rfkill cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc netconsole configfs loop raid1 md_mod snd_hda_codec_realtek snd_hda_codec_hdmi hid_kensington joydev hid_generic usbhid hid x86_pkg_temp_thermal coretemp snd_hda_intel kvm_intel snd_hda_codec snd_hwdep kvm snd_pcm snd_page_alloc snd_seq snd_seq_device crct10dif_pclmul crc32_pclmul crc32c_intel iTCO_wdt snd_timer iTCO_vendor_support ghash_clmulni_intel evdev i915 aesni_intel aes_x86_64 lrw gf128mul glue_helper drm_kms_helper ablk_helper snd cryptd drm psmouse mei_me pcspkr mei lpc_ich i2c_i801 soundcore mfd_core serio_raw video processor button ext4 crc16 mbcache jbd2 sg sd_mod crc_t10dif crct10dif_common ahci libahci libata scsi_mod igb i2c_algo_bit i2c_core dca ehci_pci e1000e xhci_hcd ehci_hcd ptp pps_core usbcore usb_common thermal fan thermal_sys [108440.835615] CPU: 0 PID: 9268 Comm: kworker/0:1 Not tainted 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108440.835638] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108440.835662] Workqueue: kcryptd kcryptd_crypt [dm_crypt] [108440.835676] task: ffff8807eca86040 ti: ffff88080b1b6000 task.ti: ffff88080b1b6000 [108440.835694] RIP: 0010:[<0000000000000010>] [<0000000000000010>] 0xf [108440.835713] RSP: 0018:ffff88080b1b7d38 EFLAGS: 00010286 [108440.835726] RAX: 0000000000000010 RBX: ffff8807f6741bc0 RCX: 0000000000001000 [108440.835744] RDX: ffff8807f6741c40 RSI: ffff88080b1b7d48 RDI: ffff88081bb128a0 [108440.835761] RBP: ffff88081bb128a0 R08: 0000000000000000 R09: 0000000000000008 [108440.835778] R10: 0000000000000400 R11: dead000000200200 R12: 0000000000001000 [108440.835795] R13: ffff8807f6741c40 R14: 0000000000000000 R15: ffffea001baf2998 [108440.835812] FS: 0000000000000000(0000) GS:ffff88083fa00000(0000) knlGS:0000000000000000 [108440.835831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108440.835845] CR2: 0000000000000010 CR3: 000000000180c000 CR4: 00000000001407f0 [108440.835862] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108440.835879] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108440.835899] Stack: [108440.835905] ffffffff811ba0bb 00000000811ba475 ffff88081bcdf740 0000000000000000 [108440.835928] 0000000000000000 000000000000000f 0000000000000c11 0000000000001000 [108440.835950] ffffea001baf2998 0000000000000001 0000000000001000 ffff88081e562cc0 [108440.835973] Call Trace: [108440.835984] [] ? __bio_add_page.part.16+0x10b/0x260 [108440.836002] [] ? kcryptd_crypt+0x118/0x3b0 [dm_crypt] [108440.836020] [] ? process_one_work+0x157/0x450 [108440.836036] [] ? worker_thread+0x114/0x370 [108440.836051] [] ? manage_workers.isra.21+0x2d0/0x2d0 [108440.836068] [] ? kthread+0xb3/0xc0 [108440.836081] [] ? flush_kthread_worker+0xa0/0xa0 [108440.836098] [] ? ret_from_fork+0x7c/0xb0 [108440.836112] [] ? flush_kthread_worker+0xa0/0xa0 [108440.836126] Code: Bad RIP value. [108440.836141] RIP [<0000000000000010>] 0xf [108440.836156] RSP [108440.836166] CR2: 0000000000000010 [108440.841374] ---[ end trace 5ee52543e4970e23 ]--- [108440.841396] BUG: unable to handle kernel paging request at ffffffffffffffd8 [108440.841416] IP: [] kthread_data+0x7/0x10 [108440.841430] PGD 180f067 PUD 1811067 PMD 0 [108440.841444] Oops: 0000 [#2] SMP [108440.841454] Modules linked in: dm_crypt dm_mod parport_pc ppdev lp parport bnep rfcomm bluetooth rfkill cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc netconsole configfs loop raid1 md_mod snd_hda_codec_realtek snd_hda_codec_hdmi hid_kensington joydev hid_generic usbhid hid x86_pkg_temp_thermal coretemp snd_hda_intel kvm_intel snd_hda_codec snd_hwdep kvm snd_pcm snd_page_alloc snd_seq snd_seq_device crct10dif_pclmul crc32_pclmul crc32c_intel iTCO_wdt snd_timer iTCO_vendor_support ghash_clmulni_intel evdev i915 aesni_intel aes_x86_64 lrw gf128mul glue_helper drm_kms_helper ablk_helper snd cryptd drm psmouse mei_me pcspkr mei lpc_ich i2c_i801 soundcore mfd_core serio_raw video processor button ext4 crc16 mbcache jbd2 sg sd_mod crc_t10dif crct10dif_common ahci libahci libata scsi_mod igb i2c_algo_bit i2c_core dca ehci_pci e1000e xhci_hcd ehci_hcd ptp pps_core usbcore usb_common thermal fan thermal_sys [108440.841765] CPU: 0 PID: 9268 Comm: kworker/0:1 Tainted: G D 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108440.841788] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108440.841814] task: ffff8807eca86040 ti: ffff88080b1b6000 task.ti: ffff88080b1b6000 [108440.841830] RIP: 0010:[] [] kthread_data+0x7/0x10 [108440.841850] RSP: 0018:ffff88080b1b79f0 EFLAGS: 00010092 [108440.841862] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff819ebc00 [108440.841878] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8807eca86040 [108440.841894] RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000031d [108440.841909] R10: 000000000000001a R11: 0000000000000000 R12: 0000000000000000 [108440.841925] R13: ffff8807eca86388 R14: ffff8807eca86290 R15: ffff8807eca86030 [108440.841941] FS: 0000000000000000(0000) GS:ffff88083fa00000(0000) knlGS:0000000000000000 [108440.841959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108440.841972] CR2: 0000000000000028 CR3: 000000000180c000 CR4: 00000000001407f0 [108440.841988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108440.842004] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108440.842019] Stack: [108440.842025] ffffffff8107c0bf ffff8807eca86388 ffff88083fa14300 ffff8807eca86040 [108440.842049] ffffffff814c198a ffff8800371a92c0 ffff88081bacacc0 ffff88080b1b7fd8 [108440.842070] ffff88080b1b7fd8 ffff88080b1b7fd8 ffff8807eca86040 0000000000000202 [108440.842091] Call Trace: [108440.842099] [] ? wq_worker_sleeping+0xf/0x90 [108440.843106] [] ? __schedule+0x47a/0x780 [108440.844104] [] ? do_exit+0x6fd/0xa80 [108440.845102] [] ? oops_end+0xa8/0xf0 [108440.846101] [] ? no_context+0x26b/0x27a [108440.847076] [] ? __do_page_fault+0x3c0/0x540 [108440.848027] [] ? mempool_alloc+0x56/0x160 [108440.848950] [] ? crypt_map+0xb0/0x150 [dm_crypt] [108440.849848] [] ? page_fault+0x28/0x30 [108440.850720] [] ? __bio_add_page.part.16+0x10b/0x260 [108440.851568] [] ? kcryptd_crypt+0x118/0x3b0 [dm_crypt] [108440.852410] [] ? process_one_work+0x157/0x450 [108440.853241] [] ? worker_thread+0x114/0x370 [108440.854067] [] ? manage_workers.isra.21+0x2d0/0x2d0 [108440.854890] [] ? kthread+0xb3/0xc0 [108440.855706] [] ? flush_kthread_worker+0xa0/0xa0 [108440.856521] [] ? ret_from_fork+0x7c/0xb0 [108440.857333] [] ? flush_kthread_worker+0xa0/0xa0 [108440.858142] Code: ff ff 66 90 65 48 8b 04 25 40 c8 00 00 48 8b 80 f0 02 00 00 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 0f 1f 40 00 48 8b 87 f0 02 00 00 <48> 8b 40 d8 c3 0f 1f 40 00 48 83 ec 18 48 8b b7 f0 02 00 00 ba [108440.859920] RIP [] kthread_data+0x7/0x10 [108440.860779] RSP [108440.861627] CR2: ffffffffffffffd8 [108440.862469] ---[ end trace 5ee52543e4970e24 ]--- [108440.862470] Fixing recursive fault but reboot is needed! [108476.671288] ------------[ cut here ]------------ [108476.671292] WARNING: CPU: 1 PID: 0 at /build/linux-SMWX37/linux-3.12.9/kernel/watchdog.c:245 watchdog_overflow_callback+0x9a/0xc0() [108476.671293] Watchdog detected hard LOCKUP on cpu 1 [108476.671294] Modules linked in: dm_crypt dm_mod parport_pc ppdev lp parport bnep rfcomm bluetooth rfkill cpufreq_stats cpufreq_userspace cpufreq_conservative cpufreq_powersave nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc netconsole configfs loop raid1 md_mod snd_hda_codec_realtek snd_hda_codec_hdmi hid_kensington joydev hid_generic usbhid hid x86_pkg_temp_thermal coretemp snd_hda_intel kvm_intel snd_hda_codec snd_hwdep kvm snd_pcm snd_page_alloc snd_seq snd_seq_device crct10dif_pclmul crc32_pclmul crc32c_intel iTCO_wdt snd_timer iTCO_vendor_support ghash_clmulni_intel evdev i915 aesni_intel aes_x86_64 lrw gf128mul glue_helper drm_kms_helper ablk_helper snd cryptd drm psmouse mei_me pcspkr mei lpc_ich i2c_i801 soundcore mfd_core serio_raw video processor button ext4 crc16 mbcache jbd2 sg sd_mod crc_t10dif crct10dif_common ahci libahci libata scsi_mod igb i2c_algo_bit i2c_core dca ehci_pci e1000e xhci_hcd ehci_hcd ptp pps_core usbcore usb_common thermal fan thermal_sys [108476.671435] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108476.671436] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108476.671437] 0000000000000000 ffffffff816fc6b0 ffffffff814be0b3 ffff88083fa47c58 [108476.671440] ffffffff810603a7 ffff88083bd57c00 0000000000000000 ffff88083fa47d50 [108476.671443] 0000000000000000 ffff88083fa47ef8 ffffffff81060495 ffffffff816fc688 [108476.671446] Call Trace: [108476.671447] [] ? dump_stack+0x41/0x51 [108476.671452] [] ? warn_slowpath_common+0x87/0xc0 [108476.671454] [] ? warn_slowpath_fmt+0x45/0x50 [108476.671456] [] ? call_console_drivers.constprop.15+0x95/0x100 [108476.671458] [] ? watchdog_overflow_callback+0x9a/0xc0 [108476.671460] [] ? __perf_event_overflow+0x9c/0x230 [108476.671462] [] ? wake_up_klogd+0x2f/0x40 [108476.671464] [] ? x86_perf_event_set_period+0xd8/0x150 [108476.671466] [] ? intel_pmu_handle_irq+0x1b2/0x3b0 [108476.671468] [] ? printk+0x4f/0x54 [108476.671470] [] ? perf_event_nmi_handler+0x32/0x60 [108476.671472] [] ? nmi_handle.isra.3+0x85/0x190 [108476.671474] [] ? perf_ibs_nmi_handler+0x50/0x50 [108476.671476] [] ? do_nmi+0x199/0x370 [108476.671478] [] ? end_repeat_nmi+0x1e/0x2e [108476.671480] [] ? _raw_spin_lock+0x16/0x30 [108476.671482] [] ? _raw_spin_lock+0x16/0x30 [108476.671483] [] ? _raw_spin_lock+0x16/0x30 [108476.671484] <> [] ? sched_rt_period_timer+0xde/0x2b0 [108476.671488] [] ? timerqueue_del+0x2a/0x80 [108476.671490] [] ? __run_hrtimer+0x6b/0x210 [108476.671492] [] ? read_tsc+0x5/0x20 [108476.671494] [] ? dequeue_task_rt+0x50/0x50 [108476.671496] [] ? hrtimer_interrupt+0x101/0x260 [108476.671498] [] ? smp_apic_timer_interrupt+0x36/0x50 [108476.671500] [] ? apic_timer_interrupt+0x6d/0x80 [108476.671500] [] ? cpuidle_enter_state+0x5e/0xf0 [108476.671504] [] ? cpuidle_enter_state+0x54/0xf0 [108476.671506] [] ? cpuidle_idle_call+0xcb/0x240 [108476.671508] [] ? arch_cpu_idle+0x9/0x30 [108476.671509] [] ? cpu_startup_entry+0xdb/0x2b0 [108476.671511] [] ? start_secondary+0x1d8/0x230 [108476.671513] ---[ end trace 5ee52543e4970e26 ]--- [108651.050768] INFO: rcu_sched detected stalls on CPUs/tasks: { 0} (detected by 5, t=52520 jiffies, g=201557, c=201556, q=581) [108651.050854] sending NMI to all CPUs: [108651.050857] NMI backtrace for cpu 5 [108651.050859] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.050871] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.050872] task: ffff88083bd39800 ti: ffff88083bd5e000 task.ti: ffff88083bd5e000 [108651.050874] RIP: 0010:[] [] __bitmap_andnot+0x24/0x50 [108651.050877] RSP: 0018:ffff88083fb43db0 EFLAGS: 00000006 [108651.050879] RAX: 0000000000000000 RBX: ffff88083fb4de00 RCX: 0000000000000003 [108651.050881] RDX: ffff88083fa0de40 RSI: ffff88083fb4de00 RDI: ffff88083fb4de00 [108651.050882] RBP: ffff88083fa0de40 R08: 0000000000000000 R09: 0000000000000008 [108651.050884] R10: 0000000000000803 R11: 0000000000000000 R12: 000000000000de80 [108651.050885] R13: 0000000000080000 R14: 0000000000000000 R15: 00000000000000ff [108651.050887] FS: 0000000000000000(0000) GS:ffff88083fb40000(0000) knlGS:0000000000000000 [108651.050889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.050891] CR2: ffffffffff600400 CR3: 000000000180c000 CR4: 00000000001407e0 [108651.050892] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.050894] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.050895] Stack: [108651.050896] ffffffff81047778 0000000000000005 000000000000de40 0000000500000002 [108651.050901] 0000000000000096 ffff88083fb43e28 0000000000002710 ffffffff81841900 [108651.050905] ffffffff81841900 0000000000000005 ffffffff818a0d00 ffff88083bd5e000 [108651.050910] Call Trace: [108651.050911] [108651.050912] [] ? __x2apic_send_IPI_mask+0x168/0x190 [108651.050918] [] ? arch_trigger_all_cpu_backtrace+0x4f/0x90 [108651.050921] [] ? rcu_check_callbacks+0x601/0x650 [108651.050924] [] ? update_process_times+0x3f/0x80 [108651.050926] [] ? tick_sched_handle.isra.10+0x2a/0x70 [108651.050929] [] ? tick_sched_timer+0x45/0x70 [108651.050931] [] ? __run_hrtimer+0x6b/0x210 [108651.050997] [] ? read_tsc+0x5/0x20 [108651.051000] [] ? tick_nohz_handler+0xa0/0xa0 [108651.051003] [] ? hrtimer_interrupt+0x101/0x260 [108651.051005] [] ? smp_apic_timer_interrupt+0x36/0x50 [108651.051008] [] ? apic_timer_interrupt+0x6d/0x80 [108651.051009] [108651.051011] [] ? cpuidle_enter_state+0x5e/0xf0 [108651.051016] [] ? cpuidle_enter_state+0x54/0xf0 [108651.051019] [] ? cpuidle_idle_call+0xcb/0x240 [108651.051022] [] ? arch_cpu_idle+0x9/0x30 [108651.051024] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.051027] [] ? start_secondary+0x1d8/0x230 [108651.051028] Code: 39 c0 7f eb f3 c3 90 4c 63 c9 31 c0 49 83 c1 3f 49 c1 e9 06 45 85 c9 7e 31 31 c9 45 31 c0 66 0f 1f 84 00 00 00 00 00 48 8b 04 ca <48> f7 d0 48 23 04 ce 48 89 04 cf 48 83 c1 01 49 09 c0 41 39 c9 [108651.051076] NMI backtrace for cpu 1 [108651.051079] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.051080] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.051082] task: ffff88083bd0c840 ti: ffff88083bd32000 task.ti: ffff88083bd32000 [108651.051083] RIP: 0010:[] [] _raw_spin_lock+0x19/0x30 [108651.051087] RSP: 0018:ffff88083fa43e70 EFLAGS: 00000093 [108651.051088] RAX: 00000000000021ec RBX: 0000000000000000 RCX: ffff88083fa14300 [108651.051090] RDX: 00000000000021ee RSI: 0000000000000200 RDI: ffff88083fa14300 [108651.051091] RBP: ffffffff818a0cc0 R08: ffffffff818a0cc8 R09: 0000000000000000 [108651.051093] R10: 7fffffffffffffff R11: 7fffffffffffffff R12: 0000000000014300 [108651.051094] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000001 [108651.051096] FS: 0000000000000000(0000) GS:ffff88083fa40000(0000) knlGS:0000000000000000 [108651.051098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.051099] CR2: ffffffffff600400 CR3: 000000000180c000 CR4: 00000000001407e0 [108651.051101] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.051102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.051103] Stack: [108651.051105] ffffffff8109be4e 00000001019cefe3 ffff88083fa14300 0000000000000000 [108651.051109] ffffffff81289caa ffffffff819ee4b8 ffffffff819ee4a0 ffff88083fa4e220 [108651.051113] ffffffff819ee4b8 ffff88083fa4e1e0 ffff88083fa43f60 ffff88083fa4e220 [108651.051117] Call Trace: [108651.051118] [108651.051119] [] ? sched_rt_period_timer+0xde/0x2b0 [108651.051125] [] ? timerqueue_del+0x2a/0x80 [108651.051127] [] ? __run_hrtimer+0x6b/0x210 [108651.051129] [] ? read_tsc+0x5/0x20 [108651.051132] [] ? dequeue_task_rt+0x50/0x50 [108651.051134] [] ? hrtimer_interrupt+0x101/0x260 [108651.051137] [] ? smp_apic_timer_interrupt+0x36/0x50 [108651.051198] [] ? apic_timer_interrupt+0x6d/0x80 [108651.051199] [108651.051200] [] ? cpuidle_enter_state+0x5e/0xf0 [108651.051205] [] ? cpuidle_enter_state+0x54/0xf0 [108651.051207] [] ? cpuidle_idle_call+0xcb/0x240 [108651.051210] [] ? arch_cpu_idle+0x9/0x30 [108651.051212] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.051215] [] ? start_secondary+0x1d8/0x230 [108651.051217] Code: 74 f4 f3 90 0f b7 07 66 39 c8 75 f6 eb e8 0f 1f 40 00 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 75 03 c3 f3 90 0f b7 07 <66> 39 d0 75 f6 66 90 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 [108651.051427] NMI backtrace for cpu 0 [108651.051431] CPU: 0 PID: 9268 Comm: kworker/0:1 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.051433] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.051441] task: ffff8807eca86040 ti: ffff88080b1b6000 task.ti: ffff88080b1b6000 [108651.051443] RIP: 0010:[] [] _raw_spin_lock_irq+0x1d/0x30 [108651.051502] RSP: 0018:ffff88080b1b76d0 EFLAGS: 00000097 [108651.051504] RAX: 00000000000021ec RBX: ffff88083fa14300 RCX: ffff88080b1b7fd8 [108651.051506] RDX: 00000000000021ed RSI: ffffffff81062f8f RDI: ffff88083fa14300 [108651.051507] RBP: ffff8807eca86040 R08: 0000000002000000 R09: ffff88081a5b0800 [108651.051509] R10: 0000000000000410 R11: 0000000000000000 R12: 0000000000000000 [108651.051511] R13: ffff8807eca86388 R14: 0000000000000000 R15: ffff8807eca86040 [108651.051566] FS: 0000000000000000(0000) GS:ffff88083fa00000(0000) knlGS:0000000000000000 [108651.051568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.051569] CR2: 0000000000000028 CR3: 000000000180c000 CR4: 00000000001407f0 [108651.051571] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.051573] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.051627] Stack: [108651.051629] ffffffff814c15a9 ffff8807eca86040 ffffffff814bb14f ffff88080b1b7fd8 [108651.051687] ffff88080b1b7fd8 ffff88080b1b7fd8 ffff8807eca86040 0000000000000000 [108651.051692] ffff8807eca86040 0000000000000009 00007ffffffff000 0000000000002434 [108651.051750] Call Trace: [108651.051753] [] ? __schedule+0x99/0x780 [108651.051756] [] ? printk+0x4f/0x54 [108651.051813] [] ? do_exit+0xa6f/0xa80 [108651.051815] [] ? printk+0x4f/0x54 [108651.051818] [] ? oops_end+0xa8/0xf0 [108651.051820] [] ? no_context+0x26b/0x27a [108651.051876] [] ? pmd_offset+0x16/0x1b [108651.051879] [] ? __do_page_fault+0x3c0/0x540 [108651.051886] [] ? vsnprintf+0x486/0x6a0 [108651.051889] [] ? page_fault+0x28/0x30 [108651.051891] [] ? kthread_data+0x7/0x10 [108651.051947] [] ? wq_worker_sleeping+0xf/0x90 [108651.051950] [] ? __schedule+0x47a/0x780 [108651.051952] [] ? do_exit+0x6fd/0xa80 [108651.051955] [] ? oops_end+0xa8/0xf0 [108651.051957] [] ? no_context+0x26b/0x27a [108651.051960] [] ? __do_page_fault+0x3c0/0x540 [108651.052016] [] ? mempool_alloc+0x56/0x160 [108651.052019] [] ? crypt_map+0xb0/0x150 [dm_crypt] [108651.052022] [] ? page_fault+0x28/0x30 [108651.052026] [] ? __bio_add_page.part.16+0x10b/0x260 [108651.052028] [] ? kcryptd_crypt+0x118/0x3b0 [dm_crypt] [108651.052031] [] ? process_one_work+0x157/0x450 [108651.052089] [] ? worker_thread+0x114/0x370 [108651.052091] [] ? manage_workers.isra.21+0x2d0/0x2d0 [108651.052093] [] ? kthread+0xb3/0xc0 [108651.052096] [] ? flush_kthread_worker+0xa0/0xa0 [108651.052098] [] ? ret_from_fork+0x7c/0xb0 [108651.052155] [] ? flush_kthread_worker+0xa0/0xa0 [108651.052157] Code: ff 0f 79 05 e8 95 b6 dc ff 48 89 d0 c3 90 fa 66 0f 1f 44 00 00 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 75 03 c3 f3 90 <0f> b7 07 66 39 d0 75 f6 c3 66 2e 0f 1f 84 00 00 00 00 00 fa 66 [108651.052475] NMI backtrace for cpu 4 [108651.052478] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.052479] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.052535] task: ffff88083bd38040 ti: ffff88083bd5a000 task.ti: ffff88083bd5a000 [108651.052536] RIP: 0010:[] [] intel_idle+0xc7/0x140 [108651.052540] RSP: 0018:ffff88083bd5bdc8 EFLAGS: 00000046 [108651.052542] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000001 [108651.052596] RDX: 0000000000000000 RSI: ffff88083bd5bfd8 RDI: 0000000000000004 [108651.052598] RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000006139b [108651.052599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [108651.052654] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000004 [108651.052656] FS: 0000000000000000(0000) GS:ffff88083fb00000(0000) knlGS:0000000000000000 [108651.052658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.052659] CR2: 00000000021a4000 CR3: 000000081da8e000 CR4: 00000000001407e0 [108651.052714] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.052716] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.052717] Stack: [108651.052718] 0000000000000002 0000000431ae8ba3 ffffffff8101bc15 ffff88083fb1a400 [108651.052775] 000062ea06f34f43 ffffffff8186ced0 ffffffff8186ce60 ffffffff813a011c [108651.052833] 0000000000000002 0000000031ae8ba3 ffff88083fb0dd40 ffff88083fb1a400 [108651.052890] Call Trace: [108651.052893] [] ? read_tsc+0x5/0x20 [108651.052896] [] ? cpuidle_enter_state+0x4c/0xf0 [108651.052898] [] ? cpuidle_idle_call+0xcb/0x240 [108651.052901] [] ? arch_cpu_idle+0x9/0x30 [108651.052903] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.052960] [] ? start_secondary+0x1d8/0x230 [108651.052961] Code: 48 8b 34 25 30 c8 00 00 48 89 d1 48 8d 86 38 e0 ff ff 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d bb 3b 58 00 75 0f 48 8d 74 24 0c bf 05 00 00 00 e8 42 22 [108651.053276] NMI backtrace for cpu 2 [108651.053280] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.053284] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.053345] task: ffff88083bd0c0c0 ti: ffff88083bd36000 task.ti: ffff88083bd36000 [108651.053347] RIP: 0010:[] [] intel_idle+0xc7/0x140 [108651.053351] RSP: 0018:ffff88083bd37dc8 EFLAGS: 00000046 [108651.053353] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001 [108651.053354] RDX: 0000000000000000 RSI: ffff88083bd37fd8 RDI: 0000000000000002 [108651.053411] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000024 [108651.053412] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000032 [108651.053414] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000002 [108651.053416] FS: 0000000000000000(0000) GS:ffff88083fa80000(0000) knlGS:0000000000000000 [108651.053473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.053478] CR2: ffffffffff600400 CR3: 000000000180c000 CR4: 00000000001407e0 [108651.053482] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.053487] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.053491] Stack: [108651.053547] 0000000000000000 00000002003badec ffffffff8101bc15 ffff88083fa9a400 [108651.053552] 000062ea19e1ac97 ffffffff8186d030 ffffffff8186ce60 ffffffff813a011c [108651.053556] 0000000000000000 00000000003badec 000062ea19e04f00 ffff88083fa9a400 [108651.053614] Call Trace: [108651.053617] [] ? read_tsc+0x5/0x20 [108651.053620] [] ? cpuidle_enter_state+0x4c/0xf0 [108651.053623] [] ? cpuidle_idle_call+0xcb/0x240 [108651.053626] [] ? arch_cpu_idle+0x9/0x30 [108651.053681] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.053684] [] ? start_secondary+0x1d8/0x230 [108651.053686] Code: 48 8b 34 25 30 c8 00 00 48 89 d1 48 8d 86 38 e0 ff ff 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d bb 3b 58 00 75 0f 48 8d 74 24 0c bf 05 00 00 00 e8 42 22 [108651.054108] NMI backtrace for cpu 6 [108651.054112] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.054113] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.054114] task: ffff88083bd39080 ti: ffff88083bd62000 task.ti: ffff88083bd62000 [108651.054115] RIP: 0010:[] [] intel_idle+0xc7/0x140 [108651.054173] RSP: 0018:ffff88083bd63dc8 EFLAGS: 00000046 [108651.054174] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001 [108651.054175] RDX: 0000000000000000 RSI: ffff88083bd63fd8 RDI: 0000000000000006 [108651.054176] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [108651.054230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000032 [108651.054231] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000006 [108651.054233] FS: 0000000000000000(0000) GS:ffff88083fb80000(0000) knlGS:0000000000000000 [108651.054234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.054235] CR2: 00007f4ba4926618 CR3: 000000000180c000 CR4: 00000000001407e0 [108651.054289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.054290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.054291] Stack: [108651.054345] 0000000000000000 0000000600f3c8eb ffffffff8101bc15 ffff88083fb9a400 [108651.054348] 000062ea19e0b12a ffffffff8186d030 ffffffff8186ce60 ffffffff813a011c [108651.054404] 0000000000000000 0000000000f3c8eb 0000000000000000 ffff88083fb9a400 [108651.054407] Call Trace: [108651.054409] [] ? read_tsc+0x5/0x20 [108651.054465] [] ? cpuidle_enter_state+0x4c/0xf0 [108651.054467] [] ? cpuidle_idle_call+0xcb/0x240 [108651.054469] [] ? arch_cpu_idle+0x9/0x30 [108651.054471] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.054472] [] ? start_secondary+0x1d8/0x230 [108651.054474] Code: 48 8b 34 25 30 c8 00 00 48 89 d1 48 8d 86 38 e0 ff ff 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d bb 3b 58 00 75 0f 48 8d 74 24 0c bf 05 00 00 00 e8 42 22 [108651.054888] NMI backtrace for cpu 3 [108651.054894] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.054895] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.054954] task: ffff88083bd387c0 ti: ffff88083bd58000 task.ti: ffff88083bd58000 [108651.054955] RIP: 0010:[] [] intel_idle+0xc7/0x140 [108651.054959] RSP: 0018:ffff88083bd59dc8 EFLAGS: 00000046 [108651.054961] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001 [108651.055016] RDX: 0000000000000000 RSI: ffff88083bd59fd8 RDI: 0000000000000003 [108651.055018] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000009 [108651.055019] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000032 [108651.055020] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000003 [108651.055076] FS: 0000000000000000(0000) GS:ffff88083fac0000(0000) knlGS:0000000000000000 [108651.055078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.055080] CR2: ffffffffff600400 CR3: 000000000180c000 CR4: 00000000001407e0 [108651.055081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.055136] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.055138] Stack: [108651.055139] 0000000000000000 0000000300f3c8e3 ffffffff8101bc15 ffff88083fada400 [108651.055143] 000062ea19e0af82 ffffffff8186d030 ffffffff8186ce60 ffffffff813a011c [108651.055201] 0000000000000000 0000000000f3c8e3 0000000000000000 ffff88083fada400 [108651.055259] Call Trace: [108651.055262] [] ? read_tsc+0x5/0x20 [108651.055265] [] ? cpuidle_enter_state+0x4c/0xf0 [108651.055267] [] ? cpuidle_idle_call+0xcb/0x240 [108651.055270] [] ? arch_cpu_idle+0x9/0x30 [108651.055325] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.055328] [] ? start_secondary+0x1d8/0x230 [108651.055329] Code: 48 8b 34 25 30 c8 00 00 48 89 d1 48 8d 86 38 e0 ff ff 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d bb 3b 58 00 75 0f 48 8d 74 24 0c bf 05 00 00 00 e8 42 22 [108651.055695] NMI backtrace for cpu 7 [108651.055699] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G D W 3.12-0.bpo.1-amd64 #1 Debian 3.12.9-1~bpo70+1 [108651.055766] Hardware name: Supermicro X10SLQ/X10SLQ, BIOS 1.00 05/09/2013 [108651.055777] task: ffff88083bd3b840 ti: ffff88083bd64000 task.ti: ffff88083bd64000 [108651.055779] RIP: 0010:[] [] intel_idle+0xc7/0x140 [108651.055783] RSP: 0018:ffff88083bd65dc8 EFLAGS: 00000046 [108651.055840] RAX: 0000000000000032 RBX: 0000000000000010 RCX: 0000000000000001 [108651.055842] RDX: 0000000000000000 RSI: ffff88083bd65fd8 RDI: 0000000000000007 [108651.055843] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000001 [108651.055845] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000032 [108651.055846] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000007 [108651.055848] FS: 0000000000000000(0000) GS:ffff88083fbc0000(0000) knlGS:0000000000000000 [108651.055904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [108651.055906] CR2: 00007f49b08a4000 CR3: 000000000180c000 CR4: 00000000001407e0 [108651.055907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [108651.055909] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [108651.055964] Stack: [108651.055965] 0000000000000000 0000000700f3cbdc ffffffff8101bc15 ffff88083fbda400 [108651.055970] 000062ea19e0aec8 ffffffff8186d030 ffffffff8186ce60 ffffffff813a011c [108651.056028] 0000000000000000 0000000000f3cbdc 0000000000000000 ffff88083fbda400 [108651.056033] Call Trace: [108651.056036] [] ? read_tsc+0x5/0x20 [108651.056092] [] ? cpuidle_enter_state+0x4c/0xf0 [108651.056095] [] ? cpuidle_idle_call+0xcb/0x240 [108651.056098] [] ? arch_cpu_idle+0x9/0x30 [108651.056101] [] ? cpu_startup_entry+0xdb/0x2b0 [108651.056104] [] ? start_secondary+0x1d8/0x230 [108651.056158] Code: 48 8b 34 25 30 c8 00 00 48 89 d1 48 8d 86 38 e0 ff ff 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <85> 1d bb 3b 58 00 75 0f 48 8d 74 24 0c bf 05 00 00 00 e8 42 22