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

[Waiman Long]

On 9/2/25 6:58 AM, Naresh Kamboju wrote:
> On Tue, 26 Aug 2025 at 19:56, Michal Koutný <mkoutny@xxxxxxxx> wrote:
> > Hi.
> >
> > On Thu, Aug 07, 2025 at 01:57:34PM +0530, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> 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.)
> Michal,
> Since this was an intermittent issue, I do not have a good end point
> of the bisection.
>
> As I repeat,
> First seen on the next-20250722 and after next-20250805
> and not seen after this.

If this problem hasn't been seen again after next-20250805, it is 
probably caused by a bug in one of the new commits that has since been 
fixed. We are not going to look further into this until it is reproduced 
again.

Cheers,
Longman