I get this type of error some times and every thing just reset
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Nov 8 00:01:24 alilap kernel: [14046.328637] caja[13766]: segfault at 4 ip 0000563945ac5c34 sp 00007ffdd7b3e570 error 4 in caja[563945a9d000+114000]
Nov 8 00:01:24 alilap kernel: [14046.328648] Code: 00 e8 c0 8c fd ff 48 89 ef 48 89 c6 48 89 c3 e8 c2 7b fd ff 48 89 e2 4c 89 e6 48 89 c7 e8 94 b6 fd ff 85 c0 75 0f 48 8b 3c 24 <83> 7f 04 1e 75 26 e8 a1 9a fd ff 48 8b 44 24 08 64 48 33 04 25 28
Nov 8 00:01:31 alilap kernel: [14053.474865] caja[14715]: segfault at 4 ip 000056087c64ec34 sp 00007fff153677a0 error 4 in caja[56087c626000+114000]
Nov 8 00:01:31 alilap kernel: [14053.474873] Code: 00 e8 c0 8c fd ff 48 89 ef 48 89 c6 48 89 c3 e8 c2 7b fd ff 48 89 e2 4c 89 e6 48 89 c7 e8 94 b6 fd ff 85 c0 75 0f 48 8b 3c 24 <83> 7f 04 1e 75 26 e8 a1 9a fd ff 48 8b 44 24 08 64 48 33 04 25 28
Nov 8 00:04:56 alilap kernel: [14259.201979] INFO: task pool:14712 blocked for more than 120 seconds.
Nov 8 00:04:56 alilap kernel: [14259.201988] Tainted: G O 4.18.0-2-amd64 #1 Debian 4.18.10-2
Nov 8 00:04:56 alilap kernel: [14259.201991] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov 8 00:04:56 alilap kernel: [14259.201995] pool D 0 14712 1 0x00000000
Nov 8 00:04:56 alilap kernel: [14259.202000] Call Trace:
Nov 8 00:04:56 alilap kernel: [14259.202016] ? __schedule+0x2b7/0x880
Nov 8 00:04:56 alilap kernel: [14259.202019] ? __switch_to_asm+0x34/0x70
Nov 8 00:04:56 alilap kernel: [14259.202022] ? __switch_to_asm+0x40/0x70
Nov 8 00:04:56 alilap kernel: [14259.202026] schedule+0x28/0x80
Nov 8 00:04:56 alilap kernel: [14259.202030] schedule_timeout+0x1ee/0x380
Nov 8 00:04:56 alilap kernel: [14259.202034] ? __schedule+0x2bf/0x880
Nov 8 00:04:56 alilap kernel: [14259.202038] io_schedule_timeout+0x19/0x40
Nov 8 00:04:56 alilap kernel: [14259.202043] wait_for_completion_io+0x12c/0x190
Nov 8 00:04:56 alilap kernel: [14259.202049] ? wake_up_q+0x70/0x70
Nov 8 00:04:56 alilap kernel: [14259.202057] submit_bio_wait+0x5b/0x80
Nov 8 00:04:56 alilap kernel: [14259.202064] blkdev_issue_flush+0x7c/0xb0
Nov 8 00:04:56 alilap kernel: [14259.202071] blkdev_fsync+0x2f/0x40
Nov 8 00:04:56 alilap kernel: [14259.202079] do_fsync+0x38/0x60
Nov 8 00:04:56 alilap kernel: [14259.202085] __x64_sys_fsync+0x10/0x20
Nov 8 00:04:56 alilap kernel: [14259.202091] do_syscall_64+0x55/0x110
Nov 8 00:04:56 alilap kernel: [14259.202096] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 8 00:04:56 alilap kernel: [14259.202104] RIP: 0033:0x7f7599233b17
Nov 8 00:04:56 alilap kernel: [14259.202104] Code: Bad RIP value.
Nov 8 00:04:56 alilap kernel: [14259.202111] RSP: 002b:00007f75948ae5d0 EFLAGS: 00000293 ORIG_RAX: 000000000000004a
Nov 8 00:04:56 alilap kernel: [14259.202113] RAX: ffffffffffffffda RBX: 000000000000000e RCX: 00007f7599233b17
Nov 8 00:04:56 alilap kernel: [14259.202114] RDX: 0000000000000000 RSI: 0000560f07b75ee0 RDI: 000000000000000e
Nov 8 00:04:56 alilap kernel: [14259.202115] RBP: 000000000000000e R08: 0000000000000000 R09: 0000560f07b21650
Nov 8 00:04:56 alilap kernel: [14259.202116] R10: 0000000000000000 R11: 0000000000000293 R12: 0000560f07b382e0
Nov 8 00:04:56 alilap kernel: [14259.202117] R13: 0000560f07b75ee0 R14: 00007f758801a640 R15: 0000560f07afcc70
why is this error happened to me more often ?