linux-kernel - Re: next-20250805: ampere: WARNING: kernel/cgroup/cpuset.c:1352 at remote_partition

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Message-ID: <hyqcffknmjwjuogoe4ynubs3adk47t2iw4urnpjscdgjjivqz7@b5ue6csrs2qt>
Date: Tue, 26 Aug 2025 16:25:55 +0200
From: Michal Koutný <mkoutny@...e.com>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: Cgroups <cgroups@...r.kernel.org>, 
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, 
	lkft-triage@...ts.linaro.org, Linux Regressions <regressions@...ts.linux.dev>, 
	Tejun Heo <tj@...nel.org>, Johannes Weiner <hannes@...xchg.org>, 
	Dan Carpenter <dan.carpenter@...aro.org>, Anders Roxell <anders.roxell@...aro.org>, 
	Arnd Bergmann <arnd@...db.de>, kamalesh.babulal@...cle.com
Subject: Re: next-20250805: ampere: WARNING: kernel/cgroup/cpuset.c:1352 at
 remote_partition_disable

Hi.

On Thu, Aug 07, 2025 at 01:57:34PM +0530, Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
> Regressions noticed intermittently on AmpereOne while running selftest
> cgroup testing
> with Linux next-20250805 and earlier seen on next-20250722 tag also.
> 
> Regression Analysis:
> - New regression? Yes
> - Reproducibility? Intermittent
> 
> First seen on the next-20250722 and after next-20250805.

Naresh, can you determine also the last good revision? That would be
ideal to have some endpoints for bisection. (To look for any interacting
changes that Waiman was getting at.)

Thanks,
Michal

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