linux-kernel - Re: Regression in v5.19-rc4 Sound Distortion

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Date:   Tue, 12 Jul 2022 19:35:48 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Daniel Exner <dex@...gonslave.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: Regression in v5.19-rc4 Sound Distortion

On 7/12/22 19:02, Daniel Exner wrote:
> Hi everyone,
> 
> 
> (please keep me CC as I am currently not subscribed to LKML)
> 
> 
> Since  v5.19-rc4 this box got some *loud* distorting sound on boot and
> after some time without any sound if something plays sound again from
> the integrated speakers in my monitor.
> 
> 
> I managed to bisect this down to:
> 
>> commit 202773260023b56e868d09d13d3a417028f1ff5b
>> Author: Dmitry Osipenko <dmitry.osipenko@...labora.com>
>> Date:   Fri Jun 17 15:24:02 2022 +0300
>>
>>    PM: hibernate: Use kernel_can_power_off()
>>
> 
> Reverting that commit on top of v5.19-rc6 does indeed fix the problem here.
> 
> Any ideas?

You're saying that the problem is on boot, but this patch is about
suspension to disk, which has nothing to do neither with the boot nor
with power-off. I'm afraid your bisection is incorrect.

-- 
Best regards,
Dmitry