linux-kernel - Re: hibernation issue with kernel 2.6.23-gentoo-r3 at T41

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Message-ID: <20071209212132.GB24284@elf.ucw.cz>
Date:	Sun, 9 Dec 2007 22:21:32 +0100
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Toralf Förster <toralf.foerster@....de>,
	Daniel Drake <dsd@...too.org>, linux-kernel@...r.kernel.org
Subject: Re: hibernation issue with kernel 2.6.23-gentoo-r3 at T41

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 Förster 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...
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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