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Date:	Wed, 28 Jul 2010 23:38:09 +0200
From:	Ondrej Zary <linux@...nbow-software.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Kernel development list <linux-kernel@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Balbir Singh <balbir@...ibm.com>
Subject: Re: Memory corruption during hibernation since 2.6.31

On Wednesday 28 July 2010 23:34:07 Rafael J. Wysocki wrote:
> On Wednesday, July 28, 2010, Ondrej Zary wrote:
> > Hello,
> > after very long bisection, I finally found what's causing memory
> > corruption during hibernation on my machine sice 2.6.31:
> > https://bugzilla.kernel.org/show_bug.cgi?id=15753
> >
> > It's commit c9e444103b5e7a5a3519f9913f59767f92e33baf (mm: reuse unused
> > swap entry if necessary).
> >
> > I don't know anything about swapping in Linux so I don't have a clue
> > what's wrong with that commit.
>
> Thanks for bisecting!
>
> This looks rather serious.  I'd be grateful from any clues from the mm guys
> involved (CCed).
>
> Do you use s2disk or the built-in hibernation code?

I use built-in code (echo disk >/sys/power/state). The machine has 256MB RAM 
and 256MB swap partition.

-- 
Ondrej Zary
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