Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758265AbZJGKUH (ORCPT ); Wed, 7 Oct 2009 06:20:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758150AbZJGKUG (ORCPT ); Wed, 7 Oct 2009 06:20:06 -0400 Received: from cantor2.suse.de ([195.135.220.15]:52936 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758161AbZJGKUE (ORCPT ); Wed, 7 Oct 2009 06:20:04 -0400 Date: Wed, 07 Oct 2009 12:19:27 +0200 Message-ID: From: Takashi Iwai To: =?UTF-8?B?TG/Dr2MgR3JlbmnDqQ==?= Cc: linux-kernel Subject: Re: SB600 sound module disabled on kexec In-Reply-To: <9b06e8d20910070309k56f0d019g826c8946d232545a@mail.gmail.com> References: <9b06e8d20910040639v3a91a5c3n8b87aced5de82abd@mail.gmail.com> <9b06e8d20910070309k56f0d019g826c8946d232545a@mail.gmail.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/23.1 (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=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1363 Lines: 37 At Wed, 7 Oct 2009 12:09:43 +0200, Loïc Grenié wrote: > > 2009/10/7 Takashi Iwai : > > At Sun, 4 Oct 2009 15:39:41 +0200, > > Loïc Grenié wrote: > >> > >>     Hi, > >> > >>     I have had this problem for a long time and not reported > >>   it earlier. Sorry. This might have been true already for > >>   2.6.18... > >> > >>     I have a laptop with an ATI (AMD) SB600 south bridge > >>   including a sound module. When I boot the kernel from the > >>   bootloader, there is no problem: hda-intel drives the module. > >>   When I kexec the kernel, there is a problem with IRQ > >>   configuration and the sound is disabled. > > > > Could you check whether enable_msi=1 option for snd-hda-intel has > > any influence?  I enabled this as default for 2.6.33, and I'd like to > > know any good/bad influence by that. > > No, it does not: on bootloader-boot snd-hda-intel loads correctly and > sound is enabled, on kexec however sound is disabled with the same > "cannot grab IRQ 0" message. Thanks, at least it's good to know that enable_msi=1 doesn't break things :) 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/