INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts. 2019/02/22 04:02:01 parsed 1 programs 2019/02/22 04:02:03 executed programs: 0 2019/02/22 04:02:08 executed programs: 60 [ 701.602378] INFO: task blkid:2720 blocked for more than 140 seconds. [ 701.609086] Not tainted 4.4.174+ #4 [ 701.613317] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 701.621281] blkid D ffff8800ba6dfaf8 29072 2720 569 0x00000004 [ 701.628949] ffff8800ba6dfaf8 ffff8801d5b12f80 a194c7f97bf77ee9 ffff8801d5b12f80 [ 701.637300] 0000000000000002 ffff8801d5b13800 ffff8801db61f180 ffff8801db61f1a8 [ 701.645608] ffff8801db61e898 ffffffff82e151c0 ffff8801d5b12f80 ffffed00174db001 [ 701.653803] Call Trace: [ 701.656619] [] schedule+0x99/0x1d0 [ 701.662838] [] schedule_preempt_disabled+0x13/0x20 [ 701.669691] [] mutex_lock_nested+0x3c2/0xb80 [ 701.675893] [] ? lo_release+0x84/0x1b0 [ 701.681656] [] ? mutex_lock_nested+0x645/0xb80 [ 701.688402] [] ? __blkdev_put+0xbb/0x840 [ 701.694232] [] ? mutex_trylock+0x500/0x500 [ 701.700102] [] ? __blkdev_put+0x219/0x840 [ 701.706046] [] ? __blkdev_put+0x3c2/0x840 [ 701.711836] [] ? lo_compat_ioctl+0x140/0x140 [ 701.717919] [] lo_release+0x84/0x1b0 [ 701.723300] [] ? lo_compat_ioctl+0x140/0x140 [ 701.729448] [] __blkdev_put+0x461/0x840 [ 701.735177] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 701.742055] [] ? bd_unlink_disk_holder+0x450/0x450 [ 701.748943] [] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300 [ 701.758234] [] blkdev_put+0x88/0x560 [ 701.763610] [] ? blkdev_put+0x560/0x560 [ 701.769214] [] blkdev_close+0x8b/0xb0 [ 701.774760] [] __fput+0x246/0x710 [ 701.779886] [] ____fput+0x16/0x20 [ 701.785094] [] task_work_run+0x202/0x2b0 [ 701.790875] [] exit_to_usermode_loop+0x14a/0x170 [ 701.797310] [] syscall_return_slowpath+0x25b/0x2e0 [ 701.803993] [] int_ret_from_sys_call+0x25/0xa3 [ 701.810455] 3 locks held by blkid/2720: [ 701.814544] #0: (&bdev->bd_mutex){+.+.+.}, at: [] __blkdev_put+0xbb/0x840 [ 701.824115] #1: (loop_index_mutex){+.+.+.}, at: [] lo_release+0x1e/0x1b0 [ 701.833452] #2: (loop_ctl_mutex#2){+.+.+.}, at: [] lo_release+0x84/0x1b0 [ 701.843142] Sending NMI to all CPUs: [ 701.847404] NMI backtrace for cpu 0 [ 701.851014] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #4 [ 701.857482] task: ffffffff82e151c0 task.stack: ffffffff82e00000 [ 701.863660] RIP: 0010:[] [] native_safe_halt+0x2/0x10 [ 701.872041] RSP: 0018:ffffffff82e07db0 EFLAGS: 00000246 [ 701.877704] RAX: 0000000000000007 RBX: ffffffff8319bf68 RCX: 0000000000000000 [ 701.885110] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff82e15a84 [ 701.892435] RBP: ffffffff82e07de0 R08: 0000000000000000 R09: 0000000000000000 [ 701.899694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 701.907132] R13: ffffffff82e08000 R14: dffffc0000000000 R15: ffffffff82e00000 [ 701.914544] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 701.922875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 701.928993] CR2: 00000000014e6b78 CR3: 00000001d718b000 CR4: 00000000001606b0 [ 701.936355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 701.943740] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 701.950993] Stack: [ 701.953161] ffffffff81020b16 ffffffff82e00000 0000000000000000 ffffffff82e08000 [ 701.960964] dffffc0000000000 ffffffff82e00000 ffffffff82e07df0 ffffffff81022d50 [ 701.968997] ffffffff82e07e08 ffffffff811eb4c8 0000000000000000 ffffffff82e07ed0 [ 701.976797] Call Trace: [ 701.979362] [] ? default_idle+0x56/0x3d0 [ 701.985392] [] arch_cpu_idle+0x10/0x20 [ 701.990915] [] default_idle_call+0x48/0x70 [ 701.996907] [] cpu_startup_entry+0x6d1/0x810 [ 702.002984] [] ? complete+0x18/0x70 [ 702.008376] [] ? call_cpuidle+0xe0/0xe0 [ 702.014018] [] ? schedule+0xab/0x1d0 [ 702.019632] [] rest_init+0x190/0x199 [ 702.025140] [] ? trace_event_define_fields_x86_irq_vector+0x2c/0x2c [ 702.033859] [] start_kernel+0x64a/0x67e [ 702.039480] [] ? thread_stack_cache_init+0xb/0xb [ 702.046097] [] ? early_idt_handler_array+0x120/0x120 [ 702.052852] [] ? early_idt_handler_array+0x120/0x120 [ 702.059685] [] x86_64_start_reservations+0x29/0x2b [ 702.066310] [] x86_64_start_kernel+0x137/0x15a [ 702.072573] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 fb c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 0f 1f 40 00 66 [ 702.092105] NMI backtrace for cpu 1 [ 702.095941] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 702.102557] task: ffff8801da6f4740 task.stack: ffff8800001d0000 [ 702.108603] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 [ 702.117788] RSP: 0018:ffff8800001d7c88 EFLAGS: 00000046 [ 702.123246] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 702.130729] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 [ 702.138441] RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000 [ 702.145863] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 702.153317] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 [ 702.160699] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 702.169052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 702.174960] CR2: 0000000000783c6c CR3: 00000001d718b000 CR4: 00000000001606b0 [ 702.182349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 702.189618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 702.196904] Stack: [ 702.199056] 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 [ 702.206651] 000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee [ 702.217464] 0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab8252 [ 702.225120] Call Trace: [ 702.227814] [] nmi_raise_cpu_backtrace+0x5e/0x80 [ 702.234468] [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae [ 702.241829] [] ? print_lock+0xa8/0xab [ 702.247290] [] ? irq_force_complete_move+0x330/0x330 [ 702.254168] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 702.261388] [] watchdog.cold+0xd3/0xee [ 702.266964] [] ? watchdog+0xac/0xa00 [ 702.272351] [] ? reset_hung_task_detector+0x20/0x20 [ 702.279006] [] kthread+0x273/0x310 [ 702.284352] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 702.291010] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 702.297342] [] ? finish_task_switch+0x1e1/0x660 [ 702.303672] [] ? finish_task_switch+0x1b3/0x660 [ 702.310076] [] ? __schedule+0x7af/0x1ee0 [ 702.315805] [] ? __schedule+0x7a3/0x1ee0 [ 702.321748] [] ? __schedule+0x7af/0x1ee0 [ 702.327568] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 702.334373] [] ret_from_fork+0x55/0x80 [ 702.340011] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 702.346823] Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f1 [ 702.366273] Kernel panic - not syncing: hung_task: blocked tasks [ 702.372402] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 702.378785] 0000000000000000 89db6510aba5b8ac ffff8800001d7c60 ffffffff81aad1a1 [ 702.386783] ffff8801d5b12f80 ffffffff82872120 dffffc0000000000 0000000000000002 [ 702.394779] 00000000003fffa0 ffff8800001d7d40 ffffffff813a48c2 0000000041b58ab3 [ 702.402775] Call Trace: [ 702.405344] [] dump_stack+0xc1/0x120 [ 702.410947] [] panic+0x1b9/0x37b [ 702.415961] [] ? add_taint.cold+0x16/0x16 [ 702.421778] [] ? find_next_bit+0x44/0x50 [ 702.427503] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 702.434852] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 702.442203] [] watchdog.cold+0xe4/0xee [ 702.447773] [] ? watchdog+0xac/0xa00 [ 702.453236] [] ? reset_hung_task_detector+0x20/0x20 [ 702.459888] [] kthread+0x273/0x310 [ 702.465301] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 702.472050] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 702.478562] [] ? finish_task_switch+0x1e1/0x660 [ 702.484866] [] ? finish_task_switch+0x1b3/0x660 [ 702.491604] [] ? __schedule+0x7af/0x1ee0 [ 702.497299] [] ? __schedule+0x7a3/0x1ee0 [ 702.502985] [] ? __schedule+0x7af/0x1ee0 [ 702.508677] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 702.515325] [] ret_from_fork+0x55/0x80 [ 702.521012] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 702.528071] Kernel Offset: disabled [ 702.531703] Rebooting in 86400 seconds..