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From: Sitsofe Wheeler <sitsofe@gmail.com>
To: linux-xfs@vger.kernel.org
Cc: Carlos Maiolino <cmaiolino@redhat.com>
Subject: Re: Tasks blocking forever with XFS stack traces
Date: Wed, 23 Dec 2020 08:45:52 +0000	[thread overview]
Message-ID: <CALjAwxjfTTacvGCi86atT_2SQjjKXRCNC2ta_TqxzLZ3YEstBg@mail.gmail.com> (raw)
In-Reply-To: <CALjAwxhK1OSioY1xChRRb6ruk7bGSJXMtMDRcCn=XgSmtOdFKg@mail.gmail.com>

On Wed, 13 Nov 2019 at 10:04, Sitsofe Wheeler <sitsofe@gmail.com> wrote:
>
> Nov 12 16:45:02 <host> kernel: [27678.931551] INFO: task
> kworker/50:0:20430 blocked for more than 120 seconds.
> Nov 12 16:45:02 <host> kernel: [27678.931613]       Tainted: G
>   OE     5.0.0-32-generic #34~18.04.2-Ubuntu
> Nov 12 16:45:02 <host> kernel: [27678.931667] "echo 0 >
> /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Nov 12 16:45:02 <host> kernel: [27678.931723] kworker/50:0    D    0
> 20430      2 0x80000080
> Nov 12 16:45:02 <host> kernel: [27678.931801] Workqueue:
> xfs-sync/md126 xfs_log_worker [xfs]
> Nov 12 16:45:02 <host> kernel: [27678.931804] Call Trace:
> Nov 12 16:45:02 <host> kernel: [27678.931814]  __schedule+0x2c0/0x870
> Nov 12 16:45:02 <host> kernel: [27678.931819]  schedule+0x2c/0x70
> Nov 12 16:45:02 <host> kernel: [27678.931823]  schedule_timeout+0x1db/0x360
> Nov 12 16:45:02 <host> kernel: [27678.931829]  ? ttwu_do_activate+0x77/0x80
> Nov 12 16:45:02 <host> kernel: [27678.931833]  wait_for_completion+0xba/0x140
> Nov 12 16:45:02 <host> kernel: [27678.931837]  ? wake_up_q+0x80/0x80
> Nov 12 16:45:02 <host> kernel: [27678.931843]  __flush_work+0x15c/0x210

(Quite some time later) This issue went away after switching to an
Ubuntu 18.04 5.3 LTS kernel. Later kernels (e.g. 5.4) have not
manifested the issue either.

-- 
Sitsofe

      reply	other threads:[~2020-12-23  8:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-05  7:27 Tasks blocking forever with XFS stack traces Sitsofe Wheeler
2019-11-05  8:54 ` Carlos Maiolino
2019-11-05  9:32   ` Sitsofe Wheeler
2019-11-05 10:36     ` Carlos Maiolino
2019-11-05 11:58       ` Carlos Maiolino
2019-11-05 14:12       ` Sitsofe Wheeler
2019-11-05 16:09         ` Carlos Maiolino
2019-11-07  0:12         ` Chris Murphy
2019-11-13 10:04       ` Sitsofe Wheeler
2020-12-23  8:45         ` Sitsofe Wheeler [this message]

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