From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752983Ab3ACJT2 (ORCPT ); Thu, 3 Jan 2013 04:19:28 -0500 Received: from cantor2.suse.de ([195.135.220.15]:50411 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752378Ab3ACJT0 (ORCPT ); Thu, 3 Jan 2013 04:19:26 -0500 Date: Thu, 03 Jan 2013 10:19:24 +0100 Message-ID: From: Takashi Iwai To: Vincent Blut Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: Re: [3.6.9 -> 3.7.1 regression] sound: snd_hda_intel codec probing issue? In-Reply-To: <1356704740.3953.26.camel@lamella> References: <1356704740.3953.26.camel@lamella> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.2 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) 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 Fri, 28 Dec 2012 15:25:40 +0100, Vincent Blut wrote: > > Hi, > > Since I updated to Linux 3.7.1, listening to some audio/video bits > frequently cause the following: > > [ 7896.166946] hda-intel: azx_get_response timeout, switching to polling > mode: last cmd=0x020c0000 > [ 7897.173444] hda-intel: No response from codec, disabling MSI: last > cmd=0x020c0000 > [ 7898.179932] hda_intel: azx_get_response timeout, switching to > single_cmd mode: last cmd=0x020c0000 > [ 7898.179983] hda-codec: out of range cmd 0:0:20:400:fffff7ff > [ 9445.034371] plugin-containe[5873]: segfault at 7f44bb95e639 ip > 00007f44e454bca0 sp 00007f44c91165f8 error 4 in > libc-2.13.so[7f44e442c000+180000] > > It seems to be a codec probing failure (?). This is really fatal because > the sound become very choppy and can't recover until I reboot. > I'll try to play with 'probe_mask' kernel parameter to see if I can > narrow the correct codec slots! > > By the way I can't reproduce this on 3.6.9, so is there something that > changed in this area in 3.7.1? If it's new in 3.7, this could be a regression by runtime D3. Try to pass power_save_controller=0 option to snd-hda-intel module (or change it via sysfs dynamically). thanks, Takashi