From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754306Ab1BKMX5 (ORCPT ); Fri, 11 Feb 2011 07:23:57 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:60230 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753618Ab1BKMX4 (ORCPT ); Fri, 11 Feb 2011 07:23:56 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; b=VB/pb8MdOlWHULHj4EQdcEnXY6o8Ul+JqkOKQY3pKs5SK1RmN93Rs+iZbzpwC7QD+e v/FfxYLVkMt85jgrZWgiIgsXProFDkexnYYJ0Lr/TSSA3vXJIfU2iyFbHxZf7qi8LvvW I5N9aw0YGczc3ZNEPl6kdNXbn/PiP9K+HXJgs= From: Wang Lei To: Takashi Iwai Cc: linux-kernel@vger.kernel.org, Jaroslav Kysela Subject: Re: [SOUND] SBx00 sound card using snd_hda_codec_analog auto mutes References: Date: Fri, 11 Feb 2011 20:23:21 +0800 In-Reply-To: (Takashi Iwai's message of "Thu, 10 Feb 2011 15:44:33 +0100") Message-ID: <4d552a5a.03368e0a.5890.2b59@mx.google.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks for your reply! Takashi Iwai writes: > 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. > I have reproduced it without the graphic interface. > Also, try to pass enable_msi=0 or 1. AMD controllers tend to unstable > regarding MSI. > And pass enable_msi=0 or 1 to snd_hda_intel, or even add boot parameter pci=nomsi (i actually don't know whether this is reasonable), the problem occurs. I have forgot to mention this, when passing apci=off to the boot kernel, there is no this problem. > > HTH, > > Takashi