linux-kernel - Re: Bisected regression: 4287509b4d21 causes HP Spectre 14t-ea100 to overheat while suspended

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Message-ID: <a52f9cfb-818f-6ed9-42aa-1385584c8103@intel.com>
Date:   Wed, 9 Mar 2022 16:21:11 +0100
From:   "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
To:     Philippe Troin <phil@...i.org>
CC:     <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        <linux-acpi@...r.kernel.org>
Subject: Re: Bisected regression: 4287509b4d21 causes HP Spectre 14t-ea100 to
 overheat while suspended

On 3/9/2022 4:50 AM, Philippe Troin wrote:
> Linux 5.16.9 was working fine, but starting with 5.16.10 my main laptop
> has been overheating while suspended.
> I've also tried 5.16.11, 5.16.12 and 5.16.13 and they also show the
> same issue (overheating while suspended).
>
> I could not spot any difference between the dmesg messages issued
> during suspend between a working version (5.16.9) and the the broken
> ones (5.16.1[0-3]).
>
> I've bisected the regression down to commit 4287509b4d21
> https://lore.kernel.org/lkml/20220214092510.074083242@linuxfoundation.org/
>
> I have also tried reverting that change on top of 5.16.12, and the
> overheating behavior is gone.

OK, so it is not clear if this is a regression in -stable only or in the 
mainline.

Would it be possible to try 5.17-rc7 and see if the issue is still there?