linux-kernel - Re: [Bisected Regression] snd-intel-hda no longer produces sound on Toshiba Satellite A100

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Date:	Thu, 8 May 2008 21:07:34 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jacek Luczak <difrost.kernel@...il.com>
Cc:	Takashi Iwai <tiwai@...e.de>,
	Vefa Bicakci <bicave@...eronline.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [Bisected Regression] snd-intel-hda no longer produces sound on Toshiba Satellite A100

On Thursday, 8 of May 2008, Jacek Luczak wrote:
> Rafael J. Wysocki pisze:
> > On Sunday, 4 of May 2008, Takashi Iwai wrote:
> >> At Sat, 03 May 2008 23:57:29 +0300,
> >> Vefa Bicakci wrote:
> >>> Hello,
> >>>
> >>> I am using Debian Sid on a Toshiba Satellite A100 series laptop.
> >>> This laptop has an Intel HDA sound card. It uses the Realtec codecs.
> >>> After modprobe'ing snd-intel-hda, the following appears in dmesg:
> >>> "hda_codec: Unknown model for ALC861, trying auto-probe from BIOS..."
> >>>
> >>> The sound output used to work fine with 2.6.24.x and 2.6.25. In an
> >>> unrelated move, I decided to give 2.6.25-gitX series a try; however,
> >>> I was very sad to notice that sound output became disabled. Programs
> >>> such as ogg123 or Amarok seem to play, but there is no sound output,
> >>> only silence. I have checked multiple times that no new mixer settings
> >>> appeared because of a possible snd-hda-intel update...
> >>>
> >>> I bisected the differences between 2.6.25 and HEAD (as of 28th of
> >>> April) to find the problematic git commit. The git commit with the
> >>> following ID and description disables the sound output completely:
> >>>
> >>> --- 8< ---
> >>> commit f6c7e5461e9046445d50c5c7a9a4587824239623
> >>> [ALSA] hda-codec - Fix auto-configuration of Realtek codecs
> >>> --- >8 ---
> >>>
> >>> I believe that this is an important regression, and I would like
> >>> to debug this problem. Trying out patches is no problem for me.
> >> This is a known issue and should have been already fixed on sound
> >> tree.  Try to pull the following git tree (for-linus branch):
> >>     git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 for-linus
> > 
> > Has the fix already reached the Linus' tree?
> > 
> 
> Yes, it has.

OK, thanks.
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