linux-kernel - Re: 2.6.38.4 broke my audio

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Date:	Wed, 27 Apr 2011 08:15:28 +0700
From:	Emmanuel Benisty <benisty.e@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Greg KH <gregkh@...e.de>,
	Andrew Clayton <andrew@...ital-domain.net>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	stable@...nel.org
Subject: Re: 2.6.38.4 broke my audio

On Tue, Apr 26, 2011 at 7:49 PM, Takashi Iwai <tiwai@...e.de> wrote:
> At Tue, 26 Apr 2011 08:42:59 +0700,
> Emmanuel Benisty wrote:
>>
>> On Tue, Apr 26, 2011 at 3:25 AM, Takashi Iwai <tiwai@...e.de> wrote:
>> > At Mon, 25 Apr 2011 10:34:09 -0700,
>> > Greg KH wrote:
>> >>
>> >> On Mon, Apr 25, 2011 at 11:25:29AM +0200, Takashi Iwai wrote:
>> >> > At Sun, 24 Apr 2011 17:01:26 -0700,
>> >> > Greg KH wrote:
>> >> > >
>> >> > > On Sun, Apr 24, 2011 at 11:30:37AM +0100, Andrew Clayton wrote:
>> >> > > > Hi guys.
>> >> > > >
>> >> > > > Just upgraded to .4 from .3 and found my audio was _really_ quiet. All
>> >> > > > the mixers looked sane.
>> >> > > >
>> >> > > > A quick check of the changelog and a revert of:
>> >> > > >
>> >> > > > commit 58541cc27531727f7120683a7cb123ee3ada4bd4
>> >> > > > Author: Takashi Iwai <tiwai@...e.de>
>> >> > > > Date:   Mon Mar 28 12:05:31 2011 +0200
>> >> > > >
>> >> > > >     ALSA: hda - Fix pin-config of Gigabyte mobo
>> >> > > >
>> >> > > >     commit c6b358748e19ce7e230b0926ac42696bc485a562 upstream.
>> >> > > >
>> >> > > >     Use pin-fix instead of the static quirk for Gigabyte mobos 1458:a002.
>> >> > > >
>> >> > > >     Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=677256
>> >> > > >     Signed-off-by: Takashi Iwai <tiwai@...e.de>
>> >> > > >     Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
>> >> > > >
>> >> > > > made it normal again.
>> >> > >
>> >> > > Takashi, do you have a fix for this, or should I revert this from the
>> >> > > .38 stable tree?  It looks like we now have 2 reports of this problem.
>> >> >
>> >> > If we need to revert, I'll do it in the upstream first, as it must hit
>> >> > to 2.6.39, too.
>> >>
>> >> True.
>> >>
>> >> > But let me check this breakage first.  I'll take a look at it more
>> >> > deeply tomorrow.
>> >>
>> >> Ok, that sounds good.
>> >
>> > Thanks.
>> >
>> > Andrew, could you give alsa-info.sh outputs on your machine?
>> > Preferably, the outputs both before and after the kernel update would
>> > be really helpful.
>>
>> In case it might help, mine are attached too.
>
> Thanks.  But the output after update (alsa-info.txt.bad) looks weird.
> It contains unexpected pin-update for NID 0x15 (found in
> /sys/class/sound/hwC0D0/driver_pin_configs), and thus the mixer
> elements created don't match with the results on HD-audio emulator.
>
> Could you double-check whether you have no modification over 2.6.38.4
> driver?

Hi Takashi,

To double check, I have rebuilt .3 and .4 straight from kernel.org
sources with the same config (which I attached, just in case).
alsa-info.sh outputs are attached.

Thanks.

Download attachment "alsa-info.txt.bad.20110427" of type "application/octet-stream" (27346 bytes)

Download attachment "alsa-info.txt.good.20110427" of type "application/octet-stream" (29170 bytes)

Download attachment "config" of type "application/octet-stream" (63431 bytes)