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Date: Thu, 29 Jul 2010 11:51:42 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> Cc: Ondrej Zary <linux@...nbow-software.org>, "Rafael J. Wysocki" <rjw@...k.pl>, Kernel development list <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Balbir Singh <balbir@...ibm.com> Subject: Re: Memory corruption during hibernation since 2.6.31 On Thu, 29 Jul 2010 10:06:26 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote: > On Wed, 28 Jul 2010 23:38:09 +0200 > Ondrej Zary <linux@...nbow-software.org> wrote: > > > 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. > > BTW, what happens at resume ? How to page-in and remap ? Thanks, -Kame -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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