[14478] 0 14478 19190 17126 43 3 0 -1000 blkid [14479] 0 14479 16958 14901 40 3 0 -1000 blkid [14480] 0 14480 19058 17002 44 3 0 -1000 blkid [14481] 0 14481 5518 293 16 3 0 -1000 udevd [14482] 0 14482 5518 293 16 3 0 -1000 udevd INFO: task kworker/u4:7:2151 blocked for more than 140 seconds. Not tainted 4.14.104+ #22 [14483] 0 14483 5518 293 16 3 0 -1000 udevd [14484] 0 14484 5518 294 16 3 0 -1000 udevd [14485] 0 14485 18924 16871 44 3 0 -1000 blkid [14486] 0 14486 17908 15823 41 3 0 -1000 blkid "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:7 D26536 2151 2 0x80000000 Workqueue: netns cleanup_net [14487] 0 14487 17716 15625 41 4 0 -1000 blkid Call Trace: [14488] 0 14488 5518 294 16 3 0 -1000 udevd [14489] 0 14489 17438 15363 41 3 0 -1000 blkid [14490] 0 14490 18180 16089 56 4 0 -1000 blkid [14491] 0 14491 18294 16210 43 3 0 -1000 blkid schedule+0x92/0x1c0 kernel/sched/core.c:3492 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3550 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [14492] 0 14492 18142 16081 41 3 0 -1000 blkid [14493] 0 14493 5518 294 16 3 0 -1000 udevd [14494] 0 14494 5518 295 16 3 0 -1000 udevd [14495] 0 14495 5518 294 16 3 0 -1000 udevd [14496] 0 14496 5518 294 16 3 0 -1000 udevd [14497] 0 14497 5518 294 16 3 0 -1000 udevd kernfs_remove+0x17/0x30 fs/kernfs/dir.c:1329 sysfs_remove_dir+0xb1/0xf0 fs/sysfs/dir.c:97 [14498] 0 14498 5518 294 16 3 0 -1000 udevd [14499] 0 14499 17538 15495 41 3 0 -1000 blkid kobject_del.part.0+0x35/0xe0 lib/kobject.c:575 kobject_del lib/kobject.c:571 [inline] kobject_cleanup lib/kobject.c:640 [inline] kobject_release lib/kobject.c:675 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put+0x103/0x200 lib/kobject.c:692 [14503] 0 14503 17122 15085 40 3 0 -1000 blkid [14504] 0 14504 17106 15033 41 3 0 -1000 blkid [14505] 0 14505 5518 295 16 3 0 -1000 udevd [14506] 0 14506 16118 14041 37 3 0 -1000 blkid [14507] 0 14507 16856 14770 39 3 0 -1000 blkid [14508] 0 14508 17752 15692 42 3 0 -1000 blkid [14509] 0 14509 5518 295 16 3 0 -1000 udevd [14510] 0 14510 5518 295 16 3 0 -1000 udevd [14511] 0 14511 17412 15363 42 3 0 -1000 blkid [14512] 0 14512 5518 295 16 3 0 -1000 udevd [14513] 0 14513 5518 295 16 3 0 -1000 udevd [14514] 0 14514 5518 295 16 3 0 -1000 udevd [14515] 0 14515 5518 296 16 3 0 -1000 udevd INFO: task kworker/0:4:15753 blocked for more than 140 seconds. [14518] 0 14518 16664 14629 39 4 0 -1000 blkid Not tainted 4.14.104+ #22 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [14519] 0 14519 5518 295 16 3 0 -1000 udevd kworker/0:4 D27312 15753 2 0x80000000 [14520] 0 14520 5518 295 16 3 0 -1000 udevd Workqueue: ipv6_addrconf addrconf_verify_work [14522] 0 14522 15570 13515 38 3 0 -1000 blkid [14523] 0 14523 16620 14571 39 3 0 -1000 blkid Call Trace: [14524] 0 14524 15994 13911 38 3 0 -1000 blkid [14526] 0 14526 5518 295 16 3 0 -1000 udevd [14528] 0 14528 5518 295 16 3 0 -1000 udevd schedule+0x92/0x1c0 kernel/sched/core.c:3492 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3550 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [14529] 0 14529 5518 295 16 3 0 -1000 udevd [14530] 0 14530 15790 13712 38 3 0 -1000 blkid [14531] 0 14531 15480 13443 38 3 0 -1000 blkid [14532] 0 14532 17362 15297 40 3 0 -1000 blkid addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4431 process_one_work+0x7c6/0x14e0 kernel/workqueue.c:2114 worker_thread+0x5d7/0x1080 kernel/workqueue.c:2248 [14533] 0 14533 16438 14371 39 3 0 -1000 blkid [14534] 0 14534 15428 13384 37 3 0 -1000 blkid [14535] 0 14535 5518 295 16 3 0 -1000 udevd kthread+0x310/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 INFO: task udevd:14803 blocked for more than 140 seconds. [14536] 0 14536 5518 295 16 3 0 -1000 udevd [14537] 0 14537 15082 12986 37 3 0 -1000 blkid