Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758746AbZDGQTH (ORCPT ); Tue, 7 Apr 2009 12:19:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755899AbZDGQSt (ORCPT ); Tue, 7 Apr 2009 12:18:49 -0400 Received: from hp3.statik.tu-cottbus.de ([141.43.120.68]:44942 "EHLO hp3.statik.tu-cottbus.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752159AbZDGQSr (ORCPT ); Tue, 7 Apr 2009 12:18:47 -0400 Message-ID: <49DB7C77.1000702@s5r6.in-berlin.de> Date: Tue, 07 Apr 2009 18:16:55 +0200 From: Stefan Richter User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.1.21) Gecko/20090303 SeaMonkey/1.1.15 MIME-Version: 1.0 To: Trenton Adams CC: Linus Torvalds , "Rafael J. Wysocki" , Linux Kernel Mailing List , Adrian Bunk , Andrew Morton , Natalie Protasevich , Kernel Testers List , Network Development , Linux ACPI , Linux PM List , Linux SCSI List Subject: Re: 2.6.29-git13: Reported regressions from 2.6.28 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1800 Lines: 41 Linus Torvalds wrote: > On Mon, 6 Apr 2009, Rafael J. Wysocki wrote: >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13018 >> Subject : 2.6.29 on MacBook 2,1 fails to reboot >> Submitter : Trenton Adams >> Date : 2009-03-30 2:04 (8 days old) >> References : http://marc.info/?l=linux-kernel&m=123837870307249&w=4 >> Handled-By : "Morten P.D. Stevens" > > This went through bisection, but looking at the email log, I tend to > suspect that maybe Trenton marked some versions good even though they > weren't (because they got versions numbers from v2.6.27), and didn't > realize that that messes up bisection in a big way. > > The bug _sounds_ like some deadlock due to lock problems - the shutdown > path often triggers locks that no other path really cares about. And we > had some lock problems in the sound subsystem that got fixed post-2.6.28, > for example. > > And it looks like the problem is somewhere in sound shutdown: > > 12181 delete_module("snd_hda_codec", O_RDONLY|O_EXCL) = -1 EAGAIN (Resource temporarily unavailable) <0.000011> > > So commits like 91054598f794fb5d8a0b1e747ff8e2e8fc2115b3 ("ALSA: pcm_oss, > fix locking typo") might explain it. Trenton, could it be the same as this one? http://bugzilla.kernel.org/show_bug.cgi?id=12321 "System hangs when unloading alsa modules" http://bugs.gentoo.org/show_bug.cgi?id=253535 "System hangs when unloading alsa modules on Kernel >2.6.28" -- Stefan Richter -=====-==--= -=-- --=== http://arcgraph.de/sr/ -- 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/