linux-kernel - Re: [REGRESSION] 3.7-rc2 kernel BUG at kernel/power/snapshot.c:517!

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Message-ID: <6638433.SFcaNLWS2z@vostro.rjw.lan>
Date:	Sun, 28 Oct 2012 22:55:11 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	maciej.rutecki@...il.com
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	lenb@...nel.org, linux-acpi@...r.kernel.org, pavel@....cz,
	linux-pm@...r.kernel.org
Subject: Re: [REGRESSION] 3.7-rc2 kernel BUG at kernel/power/snapshot.c:517!

On Sunday, October 28, 2012 10:45:26 PM Rafael J. Wysocki wrote:
> On Sunday, October 28, 2012 10:12:49 PM Maciej Rutecki wrote:
> > On niedziela, 21 października 2012 o 17:12:28 Maciej Rutecki wrote:
> > > Error: kernel BUG at kernel/power/snapshot.c:517!
> > > 
> > > Last known good: 3.6.1
> > > Bad: 3.7-rc2
> > > 
> > > Steps to reproduce:
> > > 1. Boot system with 3.7-rc2 kernel
> > > 2. Try suspend to disk (s2ram works OK)
> > > 
> > > System dies on message:
> > > http://mrutecki.pl/download/kernel/3.7-rc2/swinka/DSCN0280.jpg
> > > 
> > > lspci:
> > > http://mrutecki.pl/download/kernel/3.7-rc2/swinka/lspci.txt
> > > 
> > > dmesg:
> > > http://mrutecki.pl/download/kernel/3.7-rc2/swinka/dmesg-3.7-rc2.txt
> > 
> > Still present in -rc3
> 
> This appears to be a memory allocation error and I have no idea what

I mean memory management, sorry.

> the reason of it is.
> 
> Any chance to bisect?
> 
> Does "echo disk > /sys/power/state" work?

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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