I did some more research and found this post, which pretty much is identical to what I have: https://lists.openwall.net/linux-ext4/2018/01/25/22
Here is some recent output from /var/log/syslog: Nov 20 13:11:49 debian kernel: [ 160.820705] block nbd1: Connection timed out Nov 20 13:15:12 debian kernel: [ 363.471204] INFO: task kworker/u2:3:128 blocked for more than 120 seconds. Nov 20 13:15:12 debian kernel: [ 363.471210] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:15:12 debian kernel: [ 363.471212] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:15:12 debian kernel: [ 363.471214] kworker/u2:3 D 0 128 2 0x80000000 Nov 20 13:15:12 debian kernel: [ 363.471237] Workqueue: writeback wb_workfn (flush-254:11) Nov 20 13:15:12 debian kernel: [ 363.471240] Call Trace: Nov 20 13:15:12 debian kernel: [ 363.471262] ? __schedule+0x2a2/0x870 Nov 20 13:15:12 debian kernel: [ 363.471265] schedule+0x28/0x80 Nov 20 13:15:12 debian kernel: [ 363.471268] io_schedule+0x12/0x40 Nov 20 13:15:12 debian kernel: [ 363.471275] wbt_wait+0x205/0x300 Nov 20 13:15:12 debian kernel: [ 363.471291] ? trace_event_raw_event_wbt_step+0x130/0x130 Nov 20 13:15:12 debian kernel: [ 363.471295] rq_qos_throttle+0x31/0x40 Nov 20 13:15:12 debian kernel: [ 363.471298] blk_mq_make_request+0x111/0x530 Nov 20 13:15:12 debian kernel: [ 363.471302] generic_make_request+0x1a4/0x400 Nov 20 13:15:12 debian kernel: [ 363.471305] submit_bio+0x45/0x140 Nov 20 13:15:12 debian kernel: [ 363.471333] ext4_io_submit+0x49/0x60 [ext4] Nov 20 13:15:12 debian kernel: [ 363.471353] ext4_bio_write_page+0x24a/0x4d0 [ext4] Nov 20 13:15:12 debian kernel: [ 363.471371] mpage_submit_page+0x53/0x70 [ext4] Nov 20 13:15:12 debian kernel: [ 363.471388] mpage_map_and_submit_buffers+0x10c/0x1d0 [ext4] Nov 20 13:15:12 debian kernel: [ 363.471408] ext4_writepages+0xa12/0xf00 [ext4] Nov 20 13:15:12 debian kernel: [ 363.471414] ? do_writepages+0x41/0xd0 Nov 20 13:15:12 debian kernel: [ 363.471430] ? ext4_mark_inode_dirty+0x1d0/0x1d0 [ext4] Nov 20 13:15:12 debian kernel: [ 363.471432] do_writepages+0x41/0xd0 Nov 20 13:15:12 debian kernel: [ 363.471445] ? __wb_calc_thresh+0x3a/0x130 Nov 20 13:15:12 debian kernel: [ 363.471448] __writeback_single_inode+0x3d/0x350 Nov 20 13:15:12 debian kernel: [ 363.471459] writeback_sb_inodes+0x1e3/0x450 Nov 20 13:15:12 debian kernel: [ 363.471463] __writeback_inodes_wb+0x5d/0xb0 Nov 20 13:15:12 debian kernel: [ 363.471466] wb_writeback+0x25f/0x2f0 Nov 20 13:15:12 debian kernel: [ 363.471469] wb_workfn+0x30d/0x400 Nov 20 13:15:12 debian kernel: [ 363.471472] ? __switch_to+0x8c/0x440 Nov 20 13:15:12 debian kernel: [ 363.471476] process_one_work+0x1a7/0x3a0 Nov 20 13:15:12 debian kernel: [ 363.471487] worker_thread+0x30/0x390 Nov 20 13:15:12 debian kernel: [ 363.471491] ? create_worker+0x1a0/0x1a0 Nov 20 13:15:12 debian kernel: [ 363.471493] kthread+0x112/0x130 Nov 20 13:15:12 debian kernel: [ 363.471495] ? kthread_bind+0x30/0x30 Nov 20 13:15:12 debian kernel: [ 363.471499] ret_from_fork+0x35/0x40 Nov 20 13:15:12 debian kernel: [ 363.471504] INFO: task kworker/0:1H:165 blocked for more than 120 seconds. Nov 20 13:15:12 debian kernel: [ 363.471506] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:15:12 debian kernel: [ 363.471508] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:15:12 debian kernel: [ 363.471510] kworker/0:1H D 0 165 2 0x80000000 Nov 20 13:15:12 debian kernel: [ 363.471515] Workqueue: kblockd blk_mq_timeout_work Nov 20 13:15:12 debian kernel: [ 363.471516] Call Trace: Nov 20 13:15:12 debian kernel: [ 363.471520] ? __schedule+0x2a2/0x870 Nov 20 13:15:12 debian kernel: [ 363.471523] schedule+0x28/0x80 Nov 20 13:15:12 debian kernel: [ 363.471525] schedule_preempt_disabled+0xa/0x10 Nov 20 13:15:12 debian kernel: [ 363.471528] __mutex_lock.isra.8+0x2b5/0x4a0 Nov 20 13:15:12 debian kernel: [ 363.471535] ? _dev_err+0x6c/0x90 Nov 20 13:15:12 debian kernel: [ 363.471541] sock_shutdown+0x4a/0x90 [nbd] Nov 20 13:15:12 debian kernel: [ 363.471545] nbd_xmit_timeout+0xb0/0x180 [nbd] Nov 20 13:15:12 debian kernel: [ 363.471548] blk_mq_check_expired+0xe9/0x100 Nov 20 13:15:12 debian kernel: [ 363.471551] bt_iter+0x4e/0x60 Nov 20 13:15:12 debian kernel: [ 363.471554] blk_mq_queue_tag_busy_iter+0x184/0x2e0 Nov 20 13:15:12 debian kernel: [ 363.471556] ? blk_mq_poll+0x360/0x360 Nov 20 13:15:12 debian kernel: [ 363.471559] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471561] ? blk_mq_poll+0x360/0x360 Nov 20 13:15:12 debian kernel: [ 363.471564] ? syscall_return_via_sysret+0x13/0x83 Nov 20 13:15:12 debian kernel: [ 363.471567] blk_mq_timeout_work+0x54/0x120 Nov 20 13:15:12 debian kernel: [ 363.471570] process_one_work+0x1a7/0x3a0 Nov 20 13:15:12 debian kernel: [ 363.471573] worker_thread+0x30/0x390 Nov 20 13:15:12 debian kernel: [ 363.471576] ? create_worker+0x1a0/0x1a0 Nov 20 13:15:12 debian kernel: [ 363.471578] kthread+0x112/0x130 Nov 20 13:15:12 debian kernel: [ 363.471580] ? kthread_bind+0x30/0x30 Nov 20 13:15:12 debian kernel: [ 363.471583] ret_from_fork+0x35/0x40 Nov 20 13:15:12 debian kernel: [ 363.471620] INFO: task jbd2/dm-11-8:3239 blocked for more than 120 seconds. Nov 20 13:15:12 debian kernel: [ 363.471622] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:15:12 debian kernel: [ 363.471623] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:15:12 debian kernel: [ 363.471625] jbd2/dm-11-8 D 0 3239 2 0x80000000 Nov 20 13:15:12 debian kernel: [ 363.471627] Call Trace: Nov 20 13:15:12 debian kernel: [ 363.471631] ? __schedule+0x2a2/0x870 Nov 20 13:15:12 debian kernel: [ 363.471639] ? __wake_up_common_lock+0x89/0xc0 Nov 20 13:15:12 debian kernel: [ 363.471641] ? finish_wait+0x80/0x80 Nov 20 13:15:12 debian kernel: [ 363.471644] schedule+0x28/0x80 Nov 20 13:15:12 debian kernel: [ 363.471651] jbd2_journal_commit_transaction+0x257/0x1890 [jbd2] Nov 20 13:15:12 debian kernel: [ 363.471656] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471658] ? __switch_to_asm+0x41/0x70 Nov 20 13:15:12 debian kernel: [ 363.471661] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471664] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471666] ? __switch_to_asm+0x41/0x70 Nov 20 13:15:12 debian kernel: [ 363.471669] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471671] ? __switch_to_asm+0x41/0x70 Nov 20 13:15:12 debian kernel: [ 363.471674] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471676] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471679] ? __switch_to_asm+0x41/0x70 Nov 20 13:15:12 debian kernel: [ 363.471682] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471684] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471687] ? __switch_to_asm+0x41/0x70 Nov 20 13:15:12 debian kernel: [ 363.471689] ? __switch_to_asm+0x41/0x70 Nov 20 13:15:12 debian kernel: [ 363.471692] ? finish_wait+0x80/0x80 Nov 20 13:15:12 debian kernel: [ 363.471695] ? lock_timer_base+0x67/0x80 Nov 20 13:15:12 debian kernel: [ 363.471701] kjournald2+0xbd/0x270 [jbd2] Nov 20 13:15:12 debian kernel: [ 363.471704] ? finish_wait+0x80/0x80 Nov 20 13:15:12 debian kernel: [ 363.471710] ? commit_timeout+0x10/0x10 [jbd2] Nov 20 13:15:12 debian kernel: [ 363.471712] kthread+0x112/0x130 Nov 20 13:15:12 debian kernel: [ 363.471714] ? kthread_bind+0x30/0x30 Nov 20 13:15:12 debian kernel: [ 363.471718] ret_from_fork+0x35/0x40 Nov 20 13:15:12 debian kernel: [ 363.471720] INFO: task umount:3921 blocked for more than 120 seconds. Nov 20 13:15:12 debian kernel: [ 363.471722] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:15:12 debian kernel: [ 363.471724] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:15:12 debian kernel: [ 363.471725] umount D 0 3921 2085 0x00000000 Nov 20 13:15:12 debian kernel: [ 363.471727] Call Trace: Nov 20 13:15:12 debian kernel: [ 363.471730] ? __schedule+0x2a2/0x870 Nov 20 13:15:12 debian kernel: [ 363.471733] ? __switch_to_asm+0x35/0x70 Nov 20 13:15:12 debian kernel: [ 363.471735] schedule+0x28/0x80 Nov 20 13:15:12 debian kernel: [ 363.471738] rwsem_down_write_failed+0x17c/0x3a0 Nov 20 13:15:12 debian kernel: [ 363.471741] ? mnt_get_count+0x39/0x50 Nov 20 13:15:12 debian kernel: [ 363.471746] call_rwsem_down_write_failed+0x13/0x20 Nov 20 13:15:12 debian kernel: [ 363.471749] down_write+0x29/0x40 Nov 20 13:15:12 debian kernel: [ 363.471752] deactivate_super+0x43/0x50 Nov 20 13:15:12 debian kernel: [ 363.471755] cleanup_mnt+0x3f/0x70 Nov 20 13:15:12 debian kernel: [ 363.471757] task_work_run+0x8a/0xb0 Nov 20 13:15:12 debian kernel: [ 363.471761] exit_to_usermode_loop+0xeb/0xf0 Nov 20 13:15:12 debian kernel: [ 363.471768] do_syscall_64+0x10d/0x110 Nov 20 13:15:12 debian kernel: [ 363.471772] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Nov 20 13:15:12 debian kernel: [ 363.471775] RIP: 0033:0x7f08434ec507 Nov 20 13:15:12 debian kernel: [ 363.471780] Code: Bad RIP value. Nov 20 13:15:12 debian kernel: [ 363.471782] RSP: 002b:00007ffed9c8ec38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 Nov 20 13:15:12 debian kernel: [ 363.471784] RAX: 0000000000000000 RBX: 000055b66751ca40 RCX: 00007f08434ec507 Nov 20 13:15:12 debian kernel: [ 363.471786] RDX: 0000000000000003 RSI: 0000000000000002 RDI: 000055b66751d290 Nov 20 13:15:12 debian kernel: [ 363.471787] RBP: 0000000000000002 R08: 000055b667525fd0 R09: 00007f084356de80 Nov 20 13:15:12 debian kernel: [ 363.471788] R10: 0000000000000000 R11: 0000000000000202 R12: 000055b66751d290 Nov 20 13:15:12 debian kernel: [ 363.471789] R13: 00007f08436121c4 R14: 000055b66751cb38 R15: 000055b667525890 Nov 20 13:15:12 debian kernel: [ 363.471792] INFO: task dumpe2fs:3922 blocked for more than 120 seconds. Nov 20 13:15:12 debian kernel: [ 363.471794] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:15:12 debian kernel: [ 363.471795] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:15:12 debian kernel: [ 363.471797] dumpe2fs D 0 3922 599 0x00000000 Nov 20 13:15:12 debian kernel: [ 363.471799] Call Trace: Nov 20 13:15:12 debian kernel: [ 363.471802] ? __schedule+0x2a2/0x870 Nov 20 13:15:12 debian kernel: [ 363.471805] schedule+0x28/0x80 Nov 20 13:15:12 debian kernel: [ 363.471807] io_schedule+0x12/0x40 Nov 20 13:15:12 debian kernel: [ 363.471810] wbt_wait+0x205/0x300 Nov 20 13:15:12 debian kernel: [ 363.471812] ? trace_event_raw_event_wbt_step+0x130/0x130 Nov 20 13:15:12 debian kernel: [ 363.471816] rq_qos_throttle+0x31/0x40 Nov 20 13:15:12 debian kernel: [ 363.471818] blk_mq_make_request+0x111/0x530 Nov 20 13:15:12 debian kernel: [ 363.471822] generic_make_request+0x1a4/0x400 Nov 20 13:15:12 debian kernel: [ 363.471824] submit_bio+0x45/0x140 Nov 20 13:15:12 debian kernel: [ 363.471827] ? guard_bio_eod+0x32/0x100 Nov 20 13:15:12 debian kernel: [ 363.471830] submit_bh_wbc+0x163/0x190 Nov 20 13:15:12 debian kernel: [ 363.471833] __block_write_full_page+0x234/0x420 Nov 20 13:15:12 debian kernel: [ 363.471836] ? check_disk_change+0x60/0x60 Nov 20 13:15:12 debian kernel: [ 363.471838] ? touch_buffer+0x60/0x60 Nov 20 13:15:12 debian kernel: [ 363.471841] __writepage+0x19/0x50 Nov 20 13:15:12 debian kernel: [ 363.471843] write_cache_pages+0x1e1/0x470 Nov 20 13:15:12 debian kernel: [ 363.471845] ? __wb_calc_thresh+0x130/0x130 Nov 20 13:15:12 debian kernel: [ 363.471848] generic_writepages+0x56/0x90 Nov 20 13:15:12 debian kernel: [ 363.471851] do_writepages+0x41/0xd0 Nov 20 13:15:12 debian kernel: [ 363.471855] ? __handle_mm_fault+0x1090/0x1270 Nov 20 13:15:12 debian kernel: [ 363.471858] __filemap_fdatawrite_range+0xbe/0xf0 Nov 20 13:15:12 debian kernel: [ 363.471861] file_write_and_wait_range+0x4c/0xa0 Nov 20 13:15:12 debian kernel: [ 363.471864] blkdev_fsync+0x16/0x40 Nov 20 13:15:12 debian kernel: [ 363.471867] do_fsync+0x38/0x70 Nov 20 13:15:12 debian kernel: [ 363.471870] __x64_sys_fsync+0x10/0x20 Nov 20 13:15:12 debian kernel: [ 363.471873] do_syscall_64+0x53/0x110 Nov 20 13:15:12 debian kernel: [ 363.471877] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Nov 20 13:15:12 debian kernel: [ 363.471878] RIP: 0033:0x7f0790255214 Nov 20 13:15:12 debian kernel: [ 363.471881] Code: Bad RIP value. Nov 20 13:15:12 debian kernel: [ 363.471882] RSP: 002b:00007fff7f9474d8 EFLAGS: 00000246 ORIG_RAX: 000000000000004a Nov 20 13:15:12 debian kernel: [ 363.471890] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0790255214 Nov 20 13:15:12 debian kernel: [ 363.471891] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003 Nov 20 13:15:12 debian kernel: [ 363.471892] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007f07903ef680 Nov 20 13:15:12 debian kernel: [ 363.471893] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07903ef680 Nov 20 13:15:12 debian kernel: [ 363.471894] R13: 000055cb7a993440 R14: 00007f07903ef680 R15: 0000000000000000 Nov 20 13:15:16 debian PackageKit: daemon quit Nov 20 13:15:16 debian systemd[1]: packagekit.service: Main process exited, code=killed, status=15/TERM Nov 20 13:15:16 debian systemd[1]: packagekit.service: Succeeded. Nov 20 13:17:01 debian CRON[3941]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Nov 20 13:17:13 debian kernel: [ 484.242755] INFO: task kworker/u2:3:128 blocked for more than 120 seconds. Nov 20 13:17:13 debian kernel: [ 484.242759] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:17:13 debian kernel: [ 484.242759] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:17:13 debian kernel: [ 484.242761] kworker/u2:3 D 0 128 2 0x80000000 Nov 20 13:17:13 debian kernel: [ 484.242766] Workqueue: writeback wb_workfn (flush-254:11) Nov 20 13:17:13 debian kernel: [ 484.242767] Call Trace: Nov 20 13:17:13 debian kernel: [ 484.242772] ? __schedule+0x2a2/0x870 Nov 20 13:17:13 debian kernel: [ 484.242773] schedule+0x28/0x80 Nov 20 13:17:13 debian kernel: [ 484.242774] io_schedule+0x12/0x40 Nov 20 13:17:13 debian kernel: [ 484.242776] wbt_wait+0x205/0x300 Nov 20 13:17:13 debian kernel: [ 484.242778] ? trace_event_raw_event_wbt_step+0x130/0x130 Nov 20 13:17:13 debian kernel: [ 484.242779] rq_qos_throttle+0x31/0x40 Nov 20 13:17:13 debian kernel: [ 484.242781] blk_mq_make_request+0x111/0x530 Nov 20 13:17:13 debian kernel: [ 484.242783] generic_make_request+0x1a4/0x400 Nov 20 13:17:13 debian kernel: [ 484.242784] submit_bio+0x45/0x140 Nov 20 13:17:13 debian kernel: [ 484.242797] ext4_io_submit+0x49/0x60 [ext4] Nov 20 13:17:13 debian kernel: [ 484.242806] ext4_bio_write_page+0x24a/0x4d0 [ext4] Nov 20 13:17:13 debian kernel: [ 484.242813] mpage_submit_page+0x53/0x70 [ext4] Nov 20 13:17:13 debian kernel: [ 484.242820] mpage_map_and_submit_buffers+0x10c/0x1d0 [ext4] Nov 20 13:17:13 debian kernel: [ 484.242829] ext4_writepages+0xa12/0xf00 [ext4] Nov 20 13:17:13 debian kernel: [ 484.242832] ? do_writepages+0x41/0xd0 Nov 20 13:17:13 debian kernel: [ 484.242838] ? ext4_mark_inode_dirty+0x1d0/0x1d0 [ext4] Nov 20 13:17:13 debian kernel: [ 484.242839] do_writepages+0x41/0xd0 Nov 20 13:17:13 debian kernel: [ 484.242841] ? __wb_calc_thresh+0x3a/0x130 Nov 20 13:17:13 debian kernel: [ 484.242842] __writeback_single_inode+0x3d/0x350 Nov 20 13:17:13 debian kernel: [ 484.242843] writeback_sb_inodes+0x1e3/0x450 Nov 20 13:17:13 debian kernel: [ 484.242852] __writeback_inodes_wb+0x5d/0xb0 Nov 20 13:17:13 debian kernel: [ 484.242854] wb_writeback+0x25f/0x2f0 Nov 20 13:17:13 debian kernel: [ 484.242856] wb_workfn+0x30d/0x400 Nov 20 13:17:13 debian kernel: [ 484.242857] ? __switch_to+0x8c/0x440 Nov 20 13:17:13 debian kernel: [ 484.242859] process_one_work+0x1a7/0x3a0 Nov 20 13:17:13 debian kernel: [ 484.242861] worker_thread+0x30/0x390 Nov 20 13:17:13 debian kernel: [ 484.242862] ? create_worker+0x1a0/0x1a0 Nov 20 13:17:13 debian kernel: [ 484.242863] kthread+0x112/0x130 Nov 20 13:17:13 debian kernel: [ 484.242864] ? kthread_bind+0x30/0x30 Nov 20 13:17:13 debian kernel: [ 484.242866] ret_from_fork+0x35/0x40 Nov 20 13:17:13 debian kernel: [ 484.242868] INFO: task kworker/0:1H:165 blocked for more than 120 seconds. Nov 20 13:17:13 debian kernel: [ 484.242869] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:17:13 debian kernel: [ 484.242870] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:17:13 debian kernel: [ 484.242871] kworker/0:1H D 0 165 2 0x80000000 Nov 20 13:17:13 debian kernel: [ 484.242873] Workqueue: kblockd blk_mq_timeout_work Nov 20 13:17:13 debian kernel: [ 484.242874] Call Trace: Nov 20 13:17:13 debian kernel: [ 484.242875] ? __schedule+0x2a2/0x870 Nov 20 13:17:13 debian kernel: [ 484.242876] schedule+0x28/0x80 Nov 20 13:17:13 debian kernel: [ 484.242878] schedule_preempt_disabled+0xa/0x10 Nov 20 13:17:13 debian kernel: [ 484.242879] __mutex_lock.isra.8+0x2b5/0x4a0 Nov 20 13:17:13 debian kernel: [ 484.242881] ? _dev_err+0x6c/0x90 Nov 20 13:17:13 debian kernel: [ 484.242884] sock_shutdown+0x4a/0x90 [nbd] Nov 20 13:17:13 debian kernel: [ 484.242885] nbd_xmit_timeout+0xb0/0x180 [nbd] Nov 20 13:17:13 debian kernel: [ 484.242887] blk_mq_check_expired+0xe9/0x100 Nov 20 13:17:13 debian kernel: [ 484.242888] bt_iter+0x4e/0x60 Nov 20 13:17:13 debian kernel: [ 484.242889] blk_mq_queue_tag_busy_iter+0x184/0x2e0 Nov 20 13:17:13 debian kernel: [ 484.242890] ? blk_mq_poll+0x360/0x360 Nov 20 13:17:13 debian kernel: [ 484.242891] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242892] ? blk_mq_poll+0x360/0x360 Nov 20 13:17:13 debian kernel: [ 484.242893] ? syscall_return_via_sysret+0x13/0x83 Nov 20 13:17:13 debian kernel: [ 484.242894] blk_mq_timeout_work+0x54/0x120 Nov 20 13:17:13 debian kernel: [ 484.242896] process_one_work+0x1a7/0x3a0 Nov 20 13:17:13 debian kernel: [ 484.242897] worker_thread+0x30/0x390 Nov 20 13:17:13 debian kernel: [ 484.242898] ? create_worker+0x1a0/0x1a0 Nov 20 13:17:13 debian kernel: [ 484.242899] kthread+0x112/0x130 Nov 20 13:17:13 debian kernel: [ 484.242900] ? kthread_bind+0x30/0x30 Nov 20 13:17:13 debian kernel: [ 484.242901] ret_from_fork+0x35/0x40 Nov 20 13:17:13 debian kernel: [ 484.242923] INFO: task jbd2/dm-11-8:3239 blocked for more than 120 seconds. Nov 20 13:17:13 debian kernel: [ 484.242924] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:17:13 debian kernel: [ 484.242925] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:17:13 debian kernel: [ 484.242925] jbd2/dm-11-8 D 0 3239 2 0x80000000 Nov 20 13:17:13 debian kernel: [ 484.242926] Call Trace: Nov 20 13:17:13 debian kernel: [ 484.242928] ? __schedule+0x2a2/0x870 Nov 20 13:17:13 debian kernel: [ 484.242929] ? __wake_up_common_lock+0x89/0xc0 Nov 20 13:17:13 debian kernel: [ 484.242930] ? finish_wait+0x80/0x80 Nov 20 13:17:13 debian kernel: [ 484.242931] schedule+0x28/0x80 Nov 20 13:17:13 debian kernel: [ 484.242935] jbd2_journal_commit_transaction+0x257/0x1890 [jbd2] Nov 20 13:17:13 debian kernel: [ 484.242937] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242938] ? __switch_to_asm+0x41/0x70 Nov 20 13:17:13 debian kernel: [ 484.242939] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242940] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242941] ? __switch_to_asm+0x41/0x70 Nov 20 13:17:13 debian kernel: [ 484.242942] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242943] ? __switch_to_asm+0x41/0x70 Nov 20 13:17:13 debian kernel: [ 484.242944] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242945] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242946] ? __switch_to_asm+0x41/0x70 Nov 20 13:17:13 debian kernel: [ 484.242947] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242948] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242949] ? __switch_to_asm+0x41/0x70 Nov 20 13:17:13 debian kernel: [ 484.242950] ? __switch_to_asm+0x41/0x70 Nov 20 13:17:13 debian kernel: [ 484.242951] ? finish_wait+0x80/0x80 Nov 20 13:17:13 debian kernel: [ 484.242952] ? lock_timer_base+0x67/0x80 Nov 20 13:17:13 debian kernel: [ 484.242955] kjournald2+0xbd/0x270 [jbd2] Nov 20 13:17:13 debian kernel: [ 484.242956] ? finish_wait+0x80/0x80 Nov 20 13:17:13 debian kernel: [ 484.242959] ? commit_timeout+0x10/0x10 [jbd2] Nov 20 13:17:13 debian kernel: [ 484.242960] kthread+0x112/0x130 Nov 20 13:17:13 debian kernel: [ 484.242960] ? kthread_bind+0x30/0x30 Nov 20 13:17:13 debian kernel: [ 484.242962] ret_from_fork+0x35/0x40 Nov 20 13:17:13 debian kernel: [ 484.242963] INFO: task umount:3921 blocked for more than 120 seconds. Nov 20 13:17:13 debian kernel: [ 484.242964] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:17:13 debian kernel: [ 484.242964] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:17:13 debian kernel: [ 484.242965] umount D 0 3921 2085 0x00000000 Nov 20 13:17:13 debian kernel: [ 484.242966] Call Trace: Nov 20 13:17:13 debian kernel: [ 484.242967] ? __schedule+0x2a2/0x870 Nov 20 13:17:13 debian kernel: [ 484.242968] ? __switch_to_asm+0x35/0x70 Nov 20 13:17:13 debian kernel: [ 484.242969] schedule+0x28/0x80 Nov 20 13:17:13 debian kernel: [ 484.242970] rwsem_down_write_failed+0x17c/0x3a0 Nov 20 13:17:13 debian kernel: [ 484.242972] ? mnt_get_count+0x39/0x50 Nov 20 13:17:13 debian kernel: [ 484.242974] call_rwsem_down_write_failed+0x13/0x20 Nov 20 13:17:13 debian kernel: [ 484.242976] down_write+0x29/0x40 Nov 20 13:17:13 debian kernel: [ 484.242977] deactivate_super+0x43/0x50 Nov 20 13:17:13 debian kernel: [ 484.242979] cleanup_mnt+0x3f/0x70 Nov 20 13:17:13 debian kernel: [ 484.242980] task_work_run+0x8a/0xb0 Nov 20 13:17:13 debian kernel: [ 484.242981] exit_to_usermode_loop+0xeb/0xf0 Nov 20 13:17:13 debian kernel: [ 484.242983] do_syscall_64+0x10d/0x110 Nov 20 13:17:13 debian kernel: [ 484.242984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Nov 20 13:17:13 debian kernel: [ 484.242985] RIP: 0033:0x7f08434ec507 Nov 20 13:17:13 debian kernel: [ 484.242988] Code: Bad RIP value. Nov 20 13:17:13 debian kernel: [ 484.242989] RSP: 002b:00007ffed9c8ec38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 Nov 20 13:17:13 debian kernel: [ 484.242990] RAX: 0000000000000000 RBX: 000055b66751ca40 RCX: 00007f08434ec507 Nov 20 13:17:13 debian kernel: [ 484.242990] RDX: 0000000000000003 RSI: 0000000000000002 RDI: 000055b66751d290 Nov 20 13:17:13 debian kernel: [ 484.242991] RBP: 0000000000000002 R08: 000055b667525fd0 R09: 00007f084356de80 Nov 20 13:17:13 debian kernel: [ 484.242991] R10: 0000000000000000 R11: 0000000000000202 R12: 000055b66751d290 Nov 20 13:17:13 debian kernel: [ 484.242992] R13: 00007f08436121c4 R14: 000055b66751cb38 R15: 000055b667525890 Nov 20 13:17:13 debian kernel: [ 484.242993] INFO: task dumpe2fs:3922 blocked for more than 120 seconds. Nov 20 13:17:13 debian kernel: [ 484.242994] Tainted: G OE 4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u2 Nov 20 13:17:13 debian kernel: [ 484.242994] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 20 13:17:13 debian kernel: [ 484.242995] dumpe2fs D 0 3922 599 0x00000000 Nov 20 13:17:13 debian kernel: [ 484.242996] Call Trace: Nov 20 13:17:13 debian kernel: [ 484.242998] ? __schedule+0x2a2/0x870 Nov 20 13:17:13 debian kernel: [ 484.242999] schedule+0x28/0x80 Nov 20 13:17:13 debian kernel: [ 484.242999] io_schedule+0x12/0x40 Nov 20 13:17:13 debian kernel: [ 484.243001] wbt_wait+0x205/0x300 Nov 20 13:17:13 debian kernel: [ 484.243002] ? trace_event_raw_event_wbt_step+0x130/0x130 Nov 20 13:17:13 debian kernel: [ 484.243003] rq_qos_throttle+0x31/0x40 Nov 20 13:17:13 debian kernel: [ 484.243004] blk_mq_make_request+0x111/0x530 Nov 20 13:17:13 debian kernel: [ 484.243006] generic_make_request+0x1a4/0x400 Nov 20 13:17:13 debian kernel: [ 484.243007] submit_bio+0x45/0x140 Nov 20 13:17:13 debian kernel: [ 484.243008] ? guard_bio_eod+0x32/0x100 Nov 20 13:17:13 debian kernel: [ 484.243009] submit_bh_wbc+0x163/0x190 Nov 20 13:17:13 debian kernel: [ 484.243010] __block_write_full_page+0x234/0x420 Nov 20 13:17:13 debian kernel: [ 484.243012] ? check_disk_change+0x60/0x60 Nov 20 13:17:13 debian kernel: [ 484.243013] ? touch_buffer+0x60/0x60 Nov 20 13:17:13 debian kernel: [ 484.243014] __writepage+0x19/0x50 Nov 20 13:17:13 debian kernel: [ 484.243015] write_cache_pages+0x1e1/0x470 Nov 20 13:17:13 debian kernel: [ 484.243016] ? __wb_calc_thresh+0x130/0x130 Nov 20 13:17:13 debian kernel: [ 484.243017] generic_writepages+0x56/0x90 Nov 20 13:17:13 debian kernel: [ 484.243018] do_writepages+0x41/0xd0 Nov 20 13:17:13 debian kernel: [ 484.243020] ? __handle_mm_fault+0x1090/0x1270 Nov 20 13:17:13 debian kernel: [ 484.243021] __filemap_fdatawrite_range+0xbe/0xf0 Nov 20 13:17:13 debian kernel: [ 484.243023] file_write_and_wait_range+0x4c/0xa0 Nov 20 13:17:13 debian kernel: [ 484.243024] blkdev_fsync+0x16/0x40 Nov 20 13:17:13 debian kernel: [ 484.243025] do_fsync+0x38/0x70 Nov 20 13:17:13 debian kernel: [ 484.243027] __x64_sys_fsync+0x10/0x20 Nov 20 13:17:13 debian kernel: [ 484.243028] do_syscall_64+0x53/0x110 Nov 20 13:17:13 debian kernel: [ 484.243029] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Nov 20 13:17:13 debian kernel: [ 484.243030] RIP: 0033:0x7f0790255214 Nov 20 13:17:13 debian kernel: [ 484.243031] Code: Bad RIP value. Nov 20 13:17:13 debian kernel: [ 484.243032] RSP: 002b:00007fff7f9474d8 EFLAGS: 00000246 ORIG_RAX: 000000000000004a Nov 20 13:17:13 debian kernel: [ 484.243032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0790255214 Nov 20 13:17:13 debian kernel: [ 484.243033] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003 Nov 20 13:17:13 debian kernel: [ 484.243033] RBP: 0000000000000003 R08: 0000000000000000 R09: 00007f07903ef680 Nov 20 13:17:13 debian kernel: [ 484.243034] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07903ef680 Nov 20 13:17:13 debian kernel: [ 484.243034] R13: 000055cb7a993440 R14: 00007f07903ef680 R15: 0000000000000000
