linux-kernel - Re: Regression, thermal: core: battery reading wrong after wake from S3 [Was: Bug Report according to thermal

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Date: Thu, 13 Jun 2024 21:43:35 +0200
From: "fhortner@...oo.de" <fhortner@...oo.de>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Linux PM <linux-pm@...r.kernel.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux regressions mailing list <regressions@...ts.linux.dev>
Subject: Re: Regression, thermal: core: battery reading wrong after wake from
 S3 [Was: Bug Report according to thermal_core.c]

Am 13.06.24 um 17:14 schrieb Rafael J. Wysocki:
> Let's see if the ACPI thermal zone is the real culprit.
>
> The attached patch only adds the delay for thermal zone 0 which is the
> ACPI thermal zone.  It also prints the ID and type for all of the
> resuming thermal zones.
>
> Please test it (removing all of the test changes/patches tried so far)
> and let me know what happens to the battery readings.
Patch

thermal-delay-resume.patch

does not work. Output according to dmesg.txt
> Attached is a slightly modified version of the last patch I sent.
> Please test it and let me know if it addresses the problem you are
> seeing.
>
> If it helps, I think we are done with this at least for now.
patch thermal-core-resume-prio.patch with .priority = -1 does work
> One more thing to try is the attached patch (independent of the
> previous one) to lower the priority of the thermal PM notifier to make
> it run always after the ACPI battery one.
>
> Please test this one too and let me know if it works for you.
patch thermal-core-resume-prio.patch

with .priority = INT_MIN does also work.

If you need any further tests, please don't hesitate to tell me so.

Thank you for your help!

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