linux-kernel - Re: unable to handle kernel paging request on resume with 2.6.33-00001-gbaac35c

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Message-Id: <201003042052.39625.rjw@sisk.pl>
Date:	Thu, 4 Mar 2010 20:52:39 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Michal Hocko <mstsxfx@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	pm list <linux-pm@...ts.linux-foundation.org>,
	linux-mm@...ck.org
Subject: Re: unable to handle kernel paging request on resume with 2.6.33-00001-gbaac35c

On Thursday 04 March 2010, Rafael J. Wysocki wrote:
> On Thursday 04 March 2010, Michal Hocko wrote:
> > On Wed, Mar 03, 2010 at 10:04:51PM +0100, Rafael J. Wysocki wrote:
> > > On Wednesday 03 March 2010, Michal Hocko wrote:
> > > > On Tue, Mar 02, 2010 at 09:01:21PM +0100, Rafael J. Wysocki wrote:
> > > > > On Tuesday 02 March 2010, Michal Hocko wrote:
> > > ...
> > > > > So this is just plain 2.6.33 plus one commit.
> > > > > 
> > > > > Hmm.  There are only a few changes directly related to hibernation in that
> > > > > kernel and none of them can possibly introduce a problem like that.
> > > > 
> > > > My previous kernel was vmlinux-2.6.33-rc8-00164-gaea187c and it didn't
> > > > show the problem.
> > > 
> > > Well, I have no idea which of the commits between -rc8 and .33 final might
> > > introduce such a problem.
> > > 
> > > What graphics is there in the affected box?
> > 
> > 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME,
> > 943/940GML Express Integrated Graphics Controller (rev 03))
> 
> Well, no clue.
> 
> The problem appears to be 32-bit specific, though, because I'm unable to
> reproduce it on any of my 64-bit boxes.

Well, this patch from Shaohua might help:

http://patchwork.kernel.org/patch/83497/

Rafael
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