https://bugzilla.kernel.org/show_bug.cgi?id=216050
Sebastian Goth (li...@sgoth.de) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |li...@sgoth.de
--- Comment #57 from Sebastian Goth (li...@sgoth.de) ---
I started to see this on 5.19.6-arch1-1 out of the blue. Noticed the first time
while processing pacman post-install hooks hanging, so actually working on the
FS.
Now the system was essentially idle when f2fs_gc grabbed a core again.
INFO: task f2fs_ckpt-259:2:377 blocked for more than 122 seconds.
Tainted: P OE 5.19.6-arch1-1 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:f2fs_ckpt-259:2 state:D stack: 0 pid: 377 ppid: 2 flags:0x00004000
Call Trace:
<TASK>
__schedule+0x356/0x11a0
? preempt_schedule+0x43/0x60
schedule+0x5e/0xd0
rwsem_down_write_slowpath+0x335/0x720
? __schedule+0x35e/0x11a0
? __checkpoint_and_complete_reqs+0x1b0/0x1b0 [f2fs
9fac87d5629570e172d2b77a90a74b98e0678f12]
__checkpoint_and_complete_reqs+0x7a/0x1b0 [f2fs
9fac87d5629570e172d2b77a90a74b98e0678f12]
? __checkpoint_and_complete_reqs+0x1b0/0x1b0 [f2fs
9fac87d5629570e172d2b77a90a74b98e0678f12]
issue_checkpoint_thread+0x4c/0x110 [f2fs
9fac87d5629570e172d2b77a90a74b98e0678f12]
? cpuacct_percpu_seq_show+0x20/0x20
kthread+0xdb/0x110
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x1f/0x30
</TASK>
INFO: task kworker/u64:0:5076 blocked for more than 122 seconds.
Tainted: P OE 5.19.6-arch1-1 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u64:0 state:D stack: 0 pid: 5076 ppid: 2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-259:0)
Call Trace:
<TASK>
__schedule+0x356/0x11a0
? ttwu_queue_wakelist+0xef/0x110
schedule+0x5e/0xd0
schedule_timeout+0x11c/0x150
__wait_for_common+0x91/0x1d0
? usleep_range_state+0x90/0x90
f2fs_issue_checkpoint+0x11f/0x200 [f2fs
9fac87d5629570e172d2b77a90a74b98e0678f12]
f2fs_balance_fs_bg+0x119/0x370 [f2fs 9fac87d5629570e172d2b77a90a74b98e0678f12]
f2fs_write_node_pages+0x78/0x240 [f2fs
9fac87d5629570e172d2b77a90a74b98e0678f12]
do_writepages+0xc1/0x1d0
? __percpu_counter_sum+0x5b/0x70
? sched_clock_cpu+0xd/0xb0
__writeback_single_inode+0x3d/0x360
writeback_sb_inodes+0x1ed/0x4a0
? pollwake+0x78/0xa0
__writeback_inodes_wb+0x4c/0xf0
wb_writeback+0x204/0x2f0
wb_workfn+0x36f/0x520
process_one_work+0x1c4/0x380
worker_thread+0x51/0x390
? rescuer_thread+0x3b0/0x3b0
kthread+0xdb/0x110
? kthread_complete_and_exit+0x20/0x20
ret_from_fork+0x1f/0x30
</TASK>
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