linux-kernel - Re: Fw: List corruption and crash with kernel 3.1

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Message-Id: <201110160104.01022.Eric.Brunet@lps.ens.fr>
Date:	Sun, 16 Oct 2011 01:04:00 +0200
From:	Éric Brunet <Eric.Brunet@....ens.fr>
To:	Anton Vorontsov <cbouatmailru@...il.com>
Cc:	Richard Purdie <rpurdie@...ys.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, tiwai@...e.de,
	linux-pm@...r.kernel.org
Subject: Re: Fw: List corruption and crash with kernel 3.1

Le jeudi 13 octobre 2011 17:50:02, Anton Vorontsov a écrit :
> Resend, add proper Cc's.
> 
> On Wed, Oct 12, 2011 at 10:16:08AM +0100, Richard Purdie wrote:
> > On Tue, 2011-10-11 at 16:25 -0700, Andrew Morton wrote:
> > > erk, help, who do I blame for this?
> > 
> > [...]
> > 
> > > WARNING: at lib/list_debug.c:47 __list_del_entry+0x8d/0x98()
> 
> I wonder if that patch helps:
> 
> https://lkml.org/lkml/2011/7/12/242
> 
> The traces are pretty similar.

Hi,

Sorry it took some time. I tried the patch with 2.6.39, it does not seem to 
help as I still observe the crash. I was not gifted with a warning in the 
logs, though.

(I used 2.6.39 because it's a kernel with a quite high rate of bugging on 
suspend/resume. I had to apply manually one of the chunks of the patch.)

Is there a debugging option which would help having more info on the log ?

Thanks,

	Éric Brunet
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