From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756483Ab1BJOog (ORCPT ); Thu, 10 Feb 2011 09:44:36 -0500 Received: from cantor2.suse.de ([195.135.220.15]:44058 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756435Ab1BJOoe (ORCPT ); Thu, 10 Feb 2011 09:44:34 -0500 Date: Thu, 10 Feb 2011 15:44:33 +0100 Message-ID: From: Takashi Iwai To: Wang Lei Cc: linux-kernel@vger.kernel.org, Jaroslav Kysela Subject: Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes In-Reply-To: <4d53df22.1118640a.7b83.63eb@mx.google.com> User-Agent: Wanderlust/2.15.6 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.7 Emacs/23.2 (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 Thu, 10 Feb 2011 20:49:51 +0800, Wang Lei wrote: > > On my laptop, the sound card auto mutes some seconds after i enable it. > And play a audio file can't make sound. This is not a powersave feature, > because i haven't enable it. I guess it's a driver problem. It occurs > since 2.6.36.X. Please help. Then a possible cause would be the badly working interrupts. Or, I remember vaguely some reports mentioning conflicts with radeon driver. Anyway, try to reproduce without the graphic interface first. Also, try to pass enable_msi=0 or 1. AMD controllers tend to unstable regarding MSI. HTH, Takashi