From: Peter Zijlstra <peterz@infradead.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, patches@lists.linux.dev,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Guenter Roeck <linux@roeck-us.net>, shuah <shuah@kernel.org>,
patches@kernelci.org, lkft-triage@lists.linaro.org,
Pavel Machek <pavel@denx.de>, Jon Hunter <jonathanh@nvidia.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
srw@sladewatkins.net, rwarsow@gmx.de,
Conor Dooley <conor@kernel.org>,
hargar@microsoft.com, Mark Brown <broonie@kernel.org>,
Anders Roxell <anders.roxell@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dan Carpenter <dan.carpenter@linaro.org>
Subject: Re: [PATCH 6.12 000/122] 6.12.11-rc1 review
Date: Wed, 22 Jan 2025 11:59:49 +0100 [thread overview]
Message-ID: <20250122105949.GK7145@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <cc947edf-bece-498c-bcb0-5bc403141257@app.fastmail.com>
On Wed, Jan 22, 2025 at 11:56:13AM +0100, Arnd Bergmann wrote:
> On Wed, Jan 22, 2025, at 11:04, Naresh Kamboju wrote:
> > On Tue, 21 Jan 2025 at 23:28, Greg Kroah-Hartman
> > <gregkh@linuxfoundation.org> wrote:
>
> > 0000000000000000
> > <4>[ 160.712071] Call trace:
> > <4>[ 160.712597] place_entity (kernel/sched/fair.c:5250 (discriminator 1))
> > <4>[ 160.713221] reweight_entity (kernel/sched/fair.c:3813)
> > <4>[ 160.713802] update_cfs_group (kernel/sched/fair.c:3975 (discriminator 1))
> > <4>[ 160.714277] dequeue_entities (kernel/sched/fair.c:7091)
> > <4>[ 160.714903] dequeue_task_fair (kernel/sched/fair.c:7144 (discriminator 1))
> > <4>[ 160.716502] move_queued_task.isra.0 (kernel/sched/core.c:2437
> > (discriminator 1))
>
> I don't see anything that immediately sticks out as causing this,
> but I do see five scheduler patches backported in stable-rc
> on top of v6.12.8, these are the original commits:
>
> 66951e4860d3 ("sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE")
This one reworks reweight_entity(), but I've been running with that on
top of 13-rc6 for a week or so and not seen this.
next prev parent reply other threads:[~2025-01-22 10:59 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-21 17:50 Greg Kroah-Hartman
2025-01-21 17:51 ` [PATCH 6.12 053/122] kheaders: Ignore silly-rename files Greg Kroah-Hartman
2025-01-21 19:10 ` [PATCH 6.12 000/122] 6.12.11-rc1 review Florian Fainelli
2025-01-21 20:57 ` Peter Schneider
2025-01-21 21:46 ` Salvatore Bonaccorso
2025-01-21 22:15 ` Ronald Warsow
2025-01-22 7:04 ` Jon Hunter
2025-01-22 9:01 ` Ron Economos
2025-01-22 9:29 ` Greg Kroah-Hartman
2025-01-21 23:05 ` Takeshi Ogasawara
2025-01-21 23:31 ` Shuah Khan
2025-01-21 23:48 ` SeongJae Park
2025-01-22 10:04 ` Naresh Kamboju
2025-01-22 10:42 ` Peter Zijlstra
2025-01-22 10:56 ` Arnd Bergmann
2025-01-22 10:59 ` Peter Zijlstra [this message]
2025-01-22 11:11 ` Ron Economos
2025-01-28 11:46 ` Mike Galbraith
2025-01-28 14:39 ` Peter Zijlstra
2025-01-28 15:20 ` Mike Galbraith
2025-05-23 15:13 ` Mushahid Hussain
2025-02-08 14:51 ` [tip: sched/urgent] sched/fair: Adhere to place_entity() constraints tip-bot2 for Peter Zijlstra
2025-05-23 16:01 ` [PATCH 6.12 000/122] 6.12.11-rc1 review Mushahid Hussain
2025-05-23 16:46 ` David Woodhouse
2025-01-23 8:09 ` Harshit Mogalapalli
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