From: Ammar Faizi <ammarfaizi2@gnuweeb.org>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Ben Segall <bsegall@google.com>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
GNU/Weeb Mailing List <gwml@vger.gnuweeb.org>,
Ingo Molnar <mingo@redhat.com>,
Juri Lelli <juri.lelli@redhat.com>, Mel Gorman <mgorman@suse.de>,
Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Vincent Guittot <vincent.guittot@linaro.org>
Subject: Re: [Linux 5.18-rc1] WARNING: CPU: 1 PID: 0 at kernel/sched/fair.c:3355 update_blocked_averages
Date: Fri, 15 Apr 2022 21:43:13 +0700 [thread overview]
Message-ID: <b6136c05-5ce8-c475-989c-083933226bca@gnuweeb.org> (raw)
In-Reply-To: <457e1f88-4eb0-53c4-a750-c8930c803272@arm.com>
On 4/14/22 4:38 PM, Dietmar Eggemann wrote:
> Looks like you saw the same issue which got fixed here:
>
> https://lkml.kernel.org/r/20220414015940.9537-1-kuyo.chang@mediatek.com
>
> So nothing to do with CFS BW control. It's triggered by a task with very
> low nice value and load_avg=1 during cfs_rq attach.
Yeah, it looks like I hit the same SCHED_WARN_ON() with what is explained
in that patch. As such, I assume it's fixed then. I didn't manage to
reproduce the bug, but I am moving on from this now.
Thanks for the update!
--
Ammar Faizi
next prev parent reply other threads:[~2022-04-15 14:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-04 6:19 Ammar Faizi
2022-04-05 12:21 ` Dietmar Eggemann
2022-04-05 13:13 ` Ammar Faizi
2022-04-06 12:21 ` Dietmar Eggemann
2022-04-06 20:34 ` Ammar Faizi
2022-04-07 10:52 ` Dietmar Eggemann
2022-04-08 6:03 ` Ammar Faizi
2022-04-14 9:38 ` Dietmar Eggemann
2022-04-15 14:43 ` Ammar Faizi [this message]
2022-04-05 13:29 ` Ammar Faizi
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