From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753362AbXCTVAS (ORCPT ); Tue, 20 Mar 2007 17:00:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753355AbXCTVAS (ORCPT ); Tue, 20 Mar 2007 17:00:18 -0400 Received: from mx1.suse.de ([195.135.220.2]:60245 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753365AbXCTVAP (ORCPT ); Tue, 20 Mar 2007 17:00:15 -0400 Date: Tue, 20 Mar 2007 22:00:14 +0100 Message-ID: From: Takashi Iwai To: Chuck Ebbert Cc: Pavel Machek , kernel list , Ingo Molnar Subject: Re: BUG: soft lockup during suspend In-Reply-To: <46000CB2.9090700@redhat.com> References: <20070320123253.GB19019@elf.ucw.cz> <46000633.5000900@redhat.com> <46000CB2.9090700@redhat.com> User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka) FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 MULE XEmacs/21.5 (beta27) (fiddleheads) (+CVS-20060704) (i386-suse-linux) 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 X-Mailing-List: linux-kernel@vger.kernel.org At Tue, 20 Mar 2007 12:32:50 -0400, Chuck Ebbert wrote: > > Takashi Iwai wrote: > > At Tue, 20 Mar 2007 17:08:48 +0100, > > I wrote: > >> At Tue, 20 Mar 2007 12:05:07 -0400, > >> Chuck Ebbert wrote: > >>> Takashi Iwai wrote: > >>>> X60/T60 is known to be often broken regarding the communication > >>>> between the controller and the codec chip. When this kind of thing > >>>> happens, the driver tries to switch to a single-shot I/O without using > >>>> ring-buffers and IRQs, and even in such a mode, the communication gets > >>>> broken. FWIW, it doesn't happen on other machines with HD-audio, so > >>>> it's fairly specific to X60/T60. No idea why. > >>> What about Acer Aspire 5102? > >>> > >>> http://lkml.org/lkml/2006/12/3/9 > >> This is a different problem. > >> A known workaround is to provide probe_mask=1 module option. > > > > BTW, does this happen on the latest linus git tree? (rc4 may work, > > though) > > > > If yes, could you try the patch below? > > > > I can't easily test 2.6.21-rc, but "probe_mask=1" works on 2.6.20.4, which spews > errors without that. Should I try your patch on 2.6.20? Well, 2.6.21 has really tons of fixes/improvements regarding HD-audio, so I basically prefer tests on 2.6.21. But, at least, the patch can be applied on the top of Greg's latest 2.6.20.x patches... Takashi