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

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Date:   Mon, 1 May 2023 21:16:35 +0800
From:   Jeff Chua <jeff.chua.linux@...il.com>
To:     Takashi Iwai <tiwai@...e.de>
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, 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.

>
> thanks,
>
> Takashi