From: Sasha Levin <sashal@kernel.org>
To: Paul Kramme <kramme@digitalmanufaktur.com>
Cc: stable@vger.kernel.org, chengming.zhou@linux.dev,
Bendix Bartsch <bartsch@digitalmanufaktur.com>
Subject: Re: v6.12 backport for psi: Fix race when task wakes up before psi_sched_switch() adjusts flags
Date: Tue, 4 Feb 2025 14:48:41 -0500 [thread overview]
Message-ID: <Z6JvGaA7tB3D9Bhb@lappy> (raw)
In-Reply-To: <CAHcPAXT=6GhKo4CnkveSm_X+EQXSz-GCRtigi5aFRscASSTFXw@mail.gmail.com>
On Tue, Feb 04, 2025 at 04:31:44PM +0100, Paul Kramme wrote:
>Hello,
>
>we are seeing broken CPU PSI metrics across our infrastructure running
>6.12, with messages like "psi: inconsistent task state!
>task=1831:hackbench cpu=8 psi_flags=14 clear=0 set=4" in dmesg. I
>believe commit 7d9da040575b343085287686fa902a5b2d43c7ca might fix this
>issue.
>
>psi: Fix race when task wakes up before psi_sched_switch() adjusts flags
Hey Paul,
The commit you've mentioned is already queued up, so it should be there
when the next release happens.
--
Thanks,
Sasha
prev parent reply other threads:[~2025-02-04 19:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-04 15:31 v6.12 backport for psi: Fix race when task wakes up before psi_sched_switch() adjusts flags Paul Kramme
2025-02-04 17:25 ` Greg KH
2025-02-04 19:48 ` Sasha Levin [this message]
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