From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Luiz Fernando N. Capitulino" Subject: Re: snd-hda-intel prevents machine to power off Date: Tue, 28 Oct 2008 14:19:16 -0200 Message-ID: <20081028141916.610a2847@doriath.conectiva> References: <20081028135933.36778d60@doriath.conectiva> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Takashi Iwai Cc: linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Em Tue, 28 Oct 2008 17:07:42 +0100 Takashi Iwai escreveu: | > Hi Takashi, | > | > If I have some process with the sound device opened in my eeepc | > (say KDE's kmix) and try to power off the machine, for example with: | > | > # echo o > /proc/sysrq-trigger | > | > The machine will not power off. | | At which point does it stop? | What shows alt-sysrq-t (or w) output? I'm wondering how to get that kind of output because everything is disabled at that point (display inclusive). | > But it does work if I remove the snd-hda-intel module before issuing | > the echo above. | > | > This problem seems to be pretty popular among distros, I could find | > it reported for Mandriva, Ubuntu and Fedora. | | Hmm, I haven't heard of unfixed issues. Well, these are the tickets I've found: https://bugzilla.redhat.com/show_bug.cgi?id=444115 https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.22/+bug/126140 https://qa.mandriva.com/show_bug.cgi?id=44752 | > Its workaround is also documented in a few wikis: people are doing | > a 'rmmod snd-hda-intel' in the last halt stage (ie, halt script | > in etc). | | I hate wiki or forum just recommending a wrong workaround :) Yeah. -- Luiz Fernando N. Capitulino