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

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Date: Mon, 17 Jun 2024 12:46:17 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: "fhortner@...oo.de" <fhortner@...oo.de>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, 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]

On Sun, Jun 16, 2024 at 9:50 AM fhortner@...oo.de <fhortner@...oo.de> wrote:
>
> Currently I am running kernel 6.8.12 with reverted commit.
> But yesterday I had a strange behavior.
> After resuming from S3 the laptop registered a low battery, immediately
> after resume (notification in KDE Plasme). But as far as I could check,
> the battery level and stats where fine. Nevertheless, after 1 minute it
> shut off. I guess the low battery reading directly after after resume
> triggered it.
>
> It is not directly related with the commit, because I have reverted it,
> but nevertheless, maybe it is helpful to understand the underlying
> firmware issue.

We can do that, but please create a new non-regression BZ entry for it
against ACPI/battery and let me know its number.

> I' going to test your last patch and let you know.

OK