On 6/4/20 12:07 AM, Song Liu wrote:
The hang happens at expected place.
[Jun 3 09:02] INFO: task mdadm:2858 blocked for more than 120 seconds.
[ +0.060545] Tainted: G E 5.4.19-msl-00001-gbf39596faf12 #2
[ +0.062932] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Could you please try disable the timeout message with
echo 0 > /proc/sys/kernel/hung_task_timeout_secs
And during this wait (after message
"r5c_recovery_flush_data_only_stripes before wait_event"),
checks whether the raid disks (not the journal disk) are taking IOs
(using tools like iostat).
No activity on component drives.
