Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754575AbXLIVh1 (ORCPT ); Sun, 9 Dec 2007 16:37:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751255AbXLIVhL (ORCPT ); Sun, 9 Dec 2007 16:37:11 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:59143 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752522AbXLIVhJ (ORCPT ); Sun, 9 Dec 2007 16:37:09 -0500 Date: Sun, 9 Dec 2007 22:37:40 +0100 From: Pavel Machek To: "Rafael J. Wysocki" Cc: Toralf =?iso-8859-1?Q?F=F6rster?= , Daniel Drake , linux-kernel@vger.kernel.org Subject: Re: hibernation issue with kernel 2.6.23-gentoo-r3 at T41 Message-ID: <20071209213740.GD24284@elf.ucw.cz> References: <200712031419.41596.toralf.foerster@gmx.de> <200712092231.41064.rjw@sisk.pl> <20071209212132.GB24284@elf.ucw.cz> <200712092250.08496.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <200712092250.08496.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2118 Lines: 46 On Sun 2007-12-09 22:50:07, Rafael J. Wysocki wrote: > On Sunday, 9 of December 2007, Pavel Machek wrote: > > On Sun 2007-12-09 22:31:40, Rafael J. Wysocki wrote: > > > On Sunday, 9 of December 2007, Pavel Machek wrote: > > > > On Mon 2007-12-03 22:54:23, Rafael J. Wysocki wrote: > > > > > On Monday, 3 of December 2007, Toralf F?rster wrote: > > > > > > Hhm, > > > > > > > > > > > > in general it seems to be a regression of kernel 2.6.23 with suspend/hibernate > > > > > > if a user mode linux image is runnning. > > > > > > > > > > > > With previous kernel versions (tested gentoo-sources-2.6.22-r9 and > > > > > > gentoo-sources-2.6.21-r4) I've no problem to either suspend or to hibernate the > > > > > > ThinkPad T41. > > > > > > > > > > > > However with gentoo-sources-2.6.23-r3 the system didn't neither > > > > > > suspend nor hibernate. The good news is that the system doesn't hang :-) > > > > > > > > > > Please file a bug report at > > > > > http://bugzilla.kernel.org/enter_bug.cgi?product=Power%20Management > > > > > against Hibernation/Suspend and add my address to the report's CC list. > > > > > > > > I smell refrigerator problem; can you suspend if you SIGSTOP your uml, > > > > first? > > > > > > That might be, but the issue is apparently fixed in 2.6.24-rc and I'm > > > struggling to figure out how the !@#$%^ (please see > > > http://bugzilla.kernel.org/show_bug.cgi?id=9501). > > > > No idea... I'm glad its fixed :-). Maybe someone fixed uninterruptible > > sleep somewhere in ptrace... > > Yeah, but we should find a -stable fix, if possible. I do not think this bug is severe enough to warrant stable fix. It does not eat data, and it should be easy to SIGSTOP and retry suspend. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/