linux-kernel - Re: 6.4 and higher causes audio distortion

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Message-ID: <alpine.DEB.2.22.394.2307211322100.3532114@eliteleevi.tm.intel.com>
Date:   Fri, 21 Jul 2023 13:23:07 +0300 (EEST)
From:   Kai Vehmanen <kai.vehmanen@...ux.intel.com>
To:     Racinglee <cydiaimpactor2003@...il.com>
cc:     Bagas Sanjaya <bagasdotme@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux ALSA Development <alsa-devel@...a-project.org>
Subject: Re: 6.4 and higher causes audio distortion

Hi,


On Wed, 19 Jul 2023, Racinglee wrote:

> On Sat, Jul 15, 2023 at 3:56 AM Bagas Sanjaya <bagasdotme@...il.com> wrote:
> > I notice a regression report on Bugzilla [1]. Quoting from it:
> >
> > > I have a Lenovo ThinkPad X1 Yoga Gen 7 running Arch Linux. Linux 6.4 
> > > and higher, cause audio distortion. Sometimes, this occurs to the 
> > > point that nearly nothing is discernible. This carries over to wired 
> > > headphones. The issue occurs on the entire mainline 6.4.x kernel 
> > > series and also the 6.4.3 stable and 6.5 RC1 kernel, which are the 
> > > latest at the time of writing. The issue occurs on both the Arch 
> > > distributed kernels, and the mainline kernels.
[...]
> Updating regzbot after newer findings and determinations about the
> possible culprit commit
> 
> #regzbot title: 6.4 and higher causes audio distortion
> 
> #regzbot introduced: v6.4-rc1..1bf83fa6654c
> https://bugzilla.kernel.org/show_bug.cgi?id=217673#c5
> 

thank you, filed a bug to SOF based on the bisect results:
https://github.com/thesofproject/linux/issues/4482

Br, Kai