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From: Johannes Weiner <hannes@cmpxchg.org>
To: Chris Bainbridge <chris.bainbridge@gmail.com>
Cc: linux-kernel@vger.kernel.org, surenb@google.com,
	bsegall@google.com, dietmar.eggemann@arm.com, mingo@redhat.com,
	juri.lelli@redhat.com, mgorman@suse.de, peterz@infradead.org,
	rostedt@goodmis.org, vschneid@redhat.com,
	vincent.guittot@linaro.org, regressions@lists.linux.dev
Subject: Re: [REGRESSION] intermittent psi_avgs_work soft lockup
Date: Mon, 4 Aug 2025 09:32:40 -0400	[thread overview]
Message-ID: <20250804133240.GA1303466@cmpxchg.org> (raw)
In-Reply-To: <aI_fUhpBrIBrJ073@debian.local>

Hi Chris,

On Sun, Aug 03, 2025 at 11:14:42PM +0100, Chris Bainbridge wrote:
> Hello,
> 
> I'm getting intermittent soft lockups with recent kernel builds. This is
> a new error that I haven't seen before.

This smells of the seqlock re-init problem in 570c8efd5eb7. Could you
try to see if the below patch fixes it for you?

https://lore.kernel.org/lkml/20250716104050.GR1613200@noisy.programming.kicks-ass.net/

We probably want Cc: stable on this patch now that 6.16 is released.

Thanks

  reply	other threads:[~2025-08-04 13:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-03 22:14 [REGRESSION] intermittent psi_avgs_work soft lockup Chris Bainbridge
2025-08-04 13:32 ` Johannes Weiner [this message]
2025-08-04 16:54   ` Johannes Weiner
2025-08-04 22:34   ` Chris Bainbridge

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