linux-kernel - Re: kernel BUG at kernel/power/snapshot.c:464!

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Date:	Fri, 8 Feb 2008 21:20:22 +0100
From:	Pavel Machek <pavel@....cz>
To:	Jeff Mahoney <jeffm@...e.com>, "Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: kernel BUG at kernel/power/snapshot.c:464!

Hi!

> Our old friend kernel BUG at kernel/power/snapshot.c:464! is back, this
> time from mainline. I can't reproduce with 2.6.24-final, but I can with
> a git snapshot from a few days ago. I'm doing a git bisect run now, but
> it's rather time consuming, so I thought I'd pass this on in the interim.
> 
> I can reproduce this just by doing "cat /dev/snapshot".
> 
> Working output looks like:
> swsusp: Marking nosave pages: 000000000009f000 - 0000000000100000
> swsusp: Marking nosave pages: 00000000f7ff0000 - 0000000100000000
> swsusp: Basic memory bitmaps created
> swsusp: Basic memory bitmaps freed

root@amd:~# cat /dev/snapshot
cat: /dev/snapshot: No data available
root@amd:~# 

...on less than two days old 2.6.25-rc0-git. Rafael, do you have any
ideas what may break?
									Pavel
-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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