On Wed, Jun 21, 2023 at 4:21 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > Hi, > > 在 2023/06/21 16:10, Xiao Ni 写道: > > Hi Song > > > > After applying your patch, there are still warning messages in the > > calltrace. It looks like a deadlock. The test case is > > 10ddf-fail-stop-readd. > > > > [ 381.825307] INFO: task md126_raid1:1896 blocked for more than 122 seconds. > > [ 381.825722] Tainted: G OE 6.4.0-rc2+ #1 > > [ 381.826626] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > disables this message. > > [ 381.827080] task:md126_raid1 state:D stack:0 pid:1896 > > ppid:2 flags:0x00004000 > > [ 381.827864] Call Trace: > > [ 381.828013] <TASK> > > [ 381.828514] __schedule+0x2ad/0x7c0 > > [ 381.829126] schedule+0x5a/0xd0 > > [ 381.829733] schedule_preempt_disabled+0x11/0x20 > > [ 381.830396] __mutex_lock+0x5c8/0xcc0 > > Looks like this is the same deadlock that should be fixed by following > patch: > > https://lore.kernel.org/linux-raid/20230621142933.1395629-1-yukuai1@xxxxxxxxxxxxxxx/ > > Thanks, > Kuai After applying these two patches, the warning messages disappear. Regards Xiao
