Re: Memory corruption during hibernation since 2.6.31

From: Hugh Dickins
Date: Fri Jul 30 2010 - 00:10:26 EST

On Thu, Jul 29, 2010 at 5:01 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:

> I think the best way is kexec(). But maybe rollback from hibernation failure
> will be difficult. Considering how crash-dump works well and under maintainance
> by many enterprise guys, hibernation-by-kexec is a choice. I think. It can make
> reuse of kdump code, ...or, hibernation-resume code can eat kdump image
> directly. Maybe the problem will be the speed of dump.

I've no appetite for a total rework of hibernation, and I don't see
how that would
address the issue: I'm just looking for some protection against swap
reuse danger.

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