linux-kernel - Re: [PATCH 10/24] sched/uclamg: Handle delayed dequeue

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Message-ID: <cd0002841126d8a42db94c3624ccf2ce8dc1ad10.camel@gmx.de>
Date: Tue, 24 Sep 2024 19:35:39 +0200
From: Mike Galbraith <efault@....de>
To: Luis Machado <luis.machado@....com>, Peter Zijlstra
 <peterz@...radead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>, Vincent Guittot
 <vincent.guittot@...aro.org>, Hongyan Xia <hongyan.xia2@....com>, 
 mingo@...hat.com, juri.lelli@...hat.com, rostedt@...dmis.org,
 bsegall@...gle.com,  mgorman@...e.de, vschneid@...hat.com,
 linux-kernel@...r.kernel.org,  kprateek.nayak@....com,
 wuyun.abel@...edance.com, youssefesmat@...omium.org,  tglx@...utronix.de
Subject: Re: [PATCH 10/24] sched/uclamg: Handle delayed dequeue

On Tue, 2024-09-24 at 16:16 +0100, Luis Machado wrote:
> On 9/14/24 04:40, Mike Galbraith wrote:
> > On Fri, 2024-09-13 at 18:39 +0200, Mike Galbraith wrote:
> > > tip 4c293d0fa315 (sans sched/eevdf: More PELT vs DELAYED_DEQUEUE)
> > > seems
> > > to be stable.
> >
> > Belay that, it went boom immediately this morning while trying to
> > trigger a warning I met elsewhere.
> >
> >         -Mike
>
> Are you still hitting this one?
>
> I was trying to reproduce this one on the Pixel 6 (manifests as
> a boot crash) but couldn't so far. Something might've changed a bit.

I'm also having no luck triggering it.

	-Mike