From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753962AbYEDGyT (ORCPT ); Sun, 4 May 2008 02:54:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751978AbYEDGyH (ORCPT ); Sun, 4 May 2008 02:54:07 -0400 Received: from ns2.suse.de ([195.135.220.15]:60313 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752165AbYEDGyF (ORCPT ); Sun, 4 May 2008 02:54:05 -0400 Date: Sun, 04 May 2008 08:54:02 +0200 Message-ID: From: Takashi Iwai To: Vefa Bicakci Cc: linux-kernel@vger.kernel.org Subject: Re: [Bisected Regression] snd-intel-hda no longer produces sound on Toshiba Satellite A100 In-Reply-To: <481CD1B9.3020601@superonline.com> References: <481CD1B9.3020601@superonline.com> User-Agent: Wanderlust/2.15.5 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 MULE XEmacs/21.5 (beta28) (fuki) (+CVS-20070806) (i386-suse-linux) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 thanks, Takashi