Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757742AbZD1FYs (ORCPT ); Tue, 28 Apr 2009 01:24:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751922AbZD1FYf (ORCPT ); Tue, 28 Apr 2009 01:24:35 -0400 Received: from cantor2.suse.de ([195.135.220.15]:57425 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750965AbZD1FYf (ORCPT ); Tue, 28 Apr 2009 01:24:35 -0400 Date: Tue, 28 Apr 2009 07:24:33 +0200 Message-ID: From: Takashi Iwai To: Tino Keitel Cc: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: 2.6.29 regression: left audio channel broken after resume from suspend with Intel HDA In-Reply-To: <20090428002309.GA29572@x61> References: <20090420184024.GA10155@dose.home.local> <20090420194659.GA11399@dose.home.local> <20090421073219.GA5866@dose.home.local> <20090421183936.GA21935@dose.home.local> <20090424142113.GA18668@dose.home.local> <20090428002309.GA29572@x61> User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 Emacs/22.3 (x86_64-suse-linux-gnu) MULE/5.0 (SAKAKI) 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 Content-Length: 1532 Lines: 42 At Tue, 28 Apr 2009 02:23:09 +0200, Tino Keitel wrote: > > On Fri, Apr 24, 2009 at 16:41:14 +0200, Takashi Iwai wrote: > > At Fri, 24 Apr 2009 16:21:13 +0200, > > Tino Keitel wrote: > > > > > > On Fri, Apr 24, 2009 at 16:01:40 +0200, Takashi Iwai wrote: > > > > > > [...] > > > > > > > The codec communication looks a bit unstable on this device... > > > > Does this still happen on the latest 2.6.30 version? > > > > > > Yes, at least with 2.6.30-rc3. I reloaded snd-hda-intel a few times, > > > and at some point /etc/init.d/alsa-utils start complained, I guess > > > because some index numbers in the mixer changed. > > > > And this happens because the codec doesn't respond properly any more. > > So, something triggers to screw up the communication with the codec. > > I have no idea right now. Possibly you can bisect the changes against > > sound/pci/hda/patch_sigmatel.c... > > The problem is that I don't have a reliable way to trigger this bug. It > just happens sometimes. That's what I'm afraid of. > I just saw another, major problem: line in doesn't work anymore with > 2.6.29 and also 2.6.30-rc3 (no usable input level). It works with > 2.6.27.20. This could be rather a mixer setup issue. Please give alsa-info for the same setting on both kernels. Takashi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/