Apr 13 09:28:02 ubuntu systemd-udevd[993]: sda1: Worker [4829] processing SEQNUM=7306 is taking a long time
Apr 13 09:28:58 ubuntu kernel: [  363.651907] INFO: task dumpe2fs:2582 blocked for more than 120 seconds.
Apr 13 09:28:58 ubuntu kernel: [  363.651916]       Not tainted 5.0.0-8-generic #9-Ubuntu
Apr 13 09:28:58 ubuntu kernel: [  363.651918] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 13 09:28:58 ubuntu kernel: [  363.651921] dumpe2fs        D    0  2582   1041 0x00000000
Apr 13 09:28:58 ubuntu kernel: [  363.651926] Call Trace:
Apr 13 09:28:58 ubuntu kernel: [  363.651940]  __schedule+0x2d0/0x840
Apr 13 09:28:58 ubuntu kernel: [  363.651944]  ? __switch_to_asm+0x34/0x70
Apr 13 09:28:58 ubuntu kernel: [  363.651947]  ? __switch_to_asm+0x40/0x70
Apr 13 09:28:58 ubuntu kernel: [  363.651952]  schedule+0x2c/0x70
Apr 13 09:28:58 ubuntu kernel: [  363.651956]  schedule_timeout+0x258/0x360
Apr 13 09:28:58 ubuntu kernel: [  363.651960]  ? __schedule+0x2d8/0x840
Apr 13 09:28:58 ubuntu kernel: [  363.651965]  io_schedule_timeout+0x1e/0x50
Apr 13 09:28:58 ubuntu kernel: [  363.651969]  wait_for_completion_io+0xb7/0x140
Apr 13 09:28:58 ubuntu kernel: [  363.651975]  ? wake_up_q+0x80/0x80
Apr 13 09:28:58 ubuntu kernel: [  363.651983]  submit_bio_wait+0x61/0x90
Apr 13 09:28:58 ubuntu kernel: [  363.651988]  blkdev_issue_flush+0x8e/0xc0
Apr 13 09:28:58 ubuntu kernel: [  363.651994]  blkdev_fsync+0x35/0x50
Apr 13 09:28:58 ubuntu kernel: [  363.651999]  vfs_fsync_range+0x48/0x80
Apr 13 09:28:58 ubuntu kernel: [  363.652005]  ? __x64_sys_prctl+0x3a7/0x4f0
Apr 13 09:28:58 ubuntu kernel: [  363.652009]  do_fsync+0x3d/0x70
Apr 13 09:28:58 ubuntu kernel: [  363.652013]  __x64_sys_fsync+0x14/0x20
Apr 13 09:28:58 ubuntu kernel: [  363.652019]  do_syscall_64+0x5a/0x110
Apr 13 09:28:58 ubuntu kernel: [  363.652023]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
Apr 13 09:28:58 ubuntu kernel: [  363.652027] RIP: 0033:0x7fc0d38f66a4
Apr 13 09:28:58 ubuntu kernel: [  363.652037] Code: Bad RIP value.
Apr 13 09:28:58 ubuntu kernel: [  363.652039] RSP: 002b:00007ffc9f0fa518 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
Apr 13 09:28:58 ubuntu kernel: [  363.652042] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0d38f66a4
Apr 13 09:28:58 ubuntu kernel: [  363.652044] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003
Apr 13 09:28:58 ubuntu kernel: [  363.652046] RBP: 0000000000000003 R08: 0000000000000200 R09: 00007fc0d3a83680
Apr 13 09:28:58 ubuntu kernel: [  363.652048] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc0d3a83680
Apr 13 09:28:58 ubuntu kernel: [  363.652049] R13: 00005632c320a440 R14: 00007fc0d3a83680 R15: 0000000000000000
Apr 13 09:30:01 ubuntu CRON[5497]: (root) CMD ([ -x /etc/init.d/anacron ] && if [ ! -d /run/systemd/system ]; then /usr/sbin/invoke-rc.d anacron start >/dev/null; fi)
Apr 13 09:30:02 ubuntu systemd-udevd[993]: sda1: Worker [4829] processing SEQNUM=7306 killed