Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758741AbZD1AXV (ORCPT ); Mon, 27 Apr 2009 20:23:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753322AbZD1AXM (ORCPT ); Mon, 27 Apr 2009 20:23:12 -0400 Received: from eazy.amigager.de ([213.239.192.238]:54760 "EHLO eazy.amigager.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752773AbZD1AXL (ORCPT ); Mon, 27 Apr 2009 20:23:11 -0400 Date: Tue, 28 Apr 2009 02:23:09 +0200 From: Tino Keitel To: Takashi Iwai 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 Message-ID: <20090428002309.GA29572@x61> Mail-Followup-To: Takashi Iwai , linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1386 Lines: 37 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. 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. So it seems that all newer kernels are pretty broken on this hardware regarding sound. Regards, Tino -- 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/