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

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Message-Id: <200712092231.41064.rjw@sisk.pl>
Date:	Sun, 9 Dec 2007 22:31:40 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
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 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).

Greetings,
Rafael
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