linux-kernel - Re: linux-6.4 alsa sound broken

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Message-ID: <87fs8gp0i7.wl-tiwai@suse.de>
Date:   Mon, 01 May 2023 16:52:32 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Jeff Chua <jeff.chua.linux@...il.com>
Cc:     Bagas Sanjaya <bagasdotme@...il.com>,
        lkml <linux-kernel@...r.kernel.org>,
        Oswald Buddenhagen <oswald.buddenhagen@....de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Linux ALSA Subsystem Development 
        <alsa-devel@...a-project.org>,
        Linux Regressions <regressions@...ts.linux.dev>
Subject: Re: linux-6.4 alsa sound broken

On Mon, 01 May 2023 15:16:35 +0200,
Jeff Chua wrote:
> 
> On Mon, May 1, 2023 at 2:35 PM Takashi Iwai <tiwai@...e.de> wrote:
> >
> > On Mon, 01 May 2023 06:36:49 +0200,
> > Bagas Sanjaya wrote:
> > >
> > > On Mon, May 01, 2023 at 11:59:12AM +0800, Jeff Chua wrote:
> > > > Latest git pull from Linus's tree ... playing a simple sound file will
> > > > resulted in a lot of echo.
> > > >
> > > > Running on Lenovo X1 with ..
> > > > 00:1f.3 Audio device: Intel Corporation Alder Lake PCH-P High
> > > > Definition Audio Controller (rev 01)
> > > >
> > > > I've bisected and reverted the following patch fixed the problem.
> > > >
> > > > commit 9f656705c5faa18afb26d922cfc64f9fd103c38d
> > >
> > > Thanks for the regression report. However, where is your dmesg and/or ALSA log
> > > when the regression occurs? What is the playback test file?
> >
> > Yes, in addition, which driver is used (provide the alsa-info.sh
> > output at best), and which sound backend is used (pipewire, PA or
> > dmix) with which application?
> 
> /proc/asound# cat cards devices hwdep pcm timers version
>  0 [PCH            ]: HDA-Intel - HDA Intel PCH
>                       HDA Intel PCH at 0x603e1c8000 irq 147
>   1:        : sequencer
>   2: [ 0- 0]: digital audio playback
>   3: [ 0- 0]: digital audio capture
>   4: [ 0- 3]: digital audio playback
>   5: [ 0- 7]: digital audio playback
>   6: [ 0- 8]: digital audio playback
>   7: [ 0- 9]: digital audio playback
>   8: [ 0- 0]: hardware dependent
>   9: [ 0- 2]: hardware dependent
>  10: [ 0]   : control
>  33:        : timer
> 00-00: HDA Codec 0
> 00-02: HDA Codec 2
> 00-00: ALC287 Analog : ALC287 Analog : playback 1 : capture 1
> 00-03: HDMI 0 : HDMI 0 : playback 1
> 00-07: HDMI 1 : HDMI 1 : playback 1
> 00-08: HDMI 2 : HDMI 2 : playback 1
> 00-09: HDMI 3 : HDMI 3 : playback 1
> G0: system timer : 10000.000us (10000000 ticks)
> G3: HR timer : 0.001us (1000000000 ticks)
> P0-0-0: PCM playback 0-0-0 : SLAVE
> P0-0-1: PCM capture 0-0-1 : SLAVE
> P0-3-0: PCM playback 0-3-0 : SLAVE
> P0-7-0: PCM playback 0-7-0 : SLAVE
> P0-8-0: PCM playback 0-8-0 : SLAVE
> P0-9-0: PCM playback 0-9-0 : SLAVE
> Advanced Linux Sound Architecture Driver Version k6.3.0.
> 
> 
> # test playing with ...
> aplay /usr/share/sounds/alsa/Side_Right.wav
> Playing WAVE '/usr/share/sounds/alsa/Side_Right.wav' : Signed 16 bit
> Little Endian, Rate 48000 Hz, Mono
>
> I'll try to capture the sound ... it's seems to just repeating every
> second until the last second. So, if you just play a "beep", its ok.

There was no description about which sound backend is used.  Is it
PulseAudio, pipewire or dmix/dsnoop?


Takashi