Message-ID: <4B5F5794.8020302@cs.helsinki.fi>
Date: Tue, 26 Jan 2010 22:59:00 +0200
From: Pekka Enberg <penberg@cs.helsinki.fi>
User-Agent: Thunderbird 2.0.0.23 (Macintosh/20090812)
MIME-Version: 1.0
To: Matt Mackall <mpm@selenic.com>
CC: Nigel Cunningham <ncunningham@crca.org.au>,
       Pedro Ribeiro <pedrib@gmail.com>, linux-kernel@vger.kernel.org,
       Christoph Lameter <cl@linux-foundation.org>,
       "linux-mm@kvack.org >> linux-mm" <linux-mm@kvack.org>
Subject: Re: BUG at mm/slab.c:2990 with 2.6.33-rc5-tuxonice
References: <74fd948d1001261121r7e6d03a4i75ce40705abed4e0@mail.gmail.com>	 <4B5F52FE.5000201@crca.org.au> <1264539045.3536.1348.camel@calx>
In-Reply-To: <1264539045.3536.1348.camel@calx>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1207
Lines: 32

Matt Mackall wrote:
> On Wed, 2010-01-27 at 07:39 +1100, Nigel Cunningham wrote:
>> Hi.
>>
>> Pedro Ribeiro wrote:
>>> Hi,
>>>
>>> I hit a bug at mm/slab.c:2990 with .33-rc5.
>>> Unfortunately nothing more is available than a screen picture with a
>>> crash dump, although it is a good one.
>>> The bug was hit almost at the end of a hibernation cycle with
>>> Tux-on-Ice, while saving memory contents to an encrypted swap
>>> partition.
>>>
>>> The image is here http://img264.imageshack.us/img264/9634/mmslab.jpg (150 kb)
>>>
>>> Hopefully it is of any use for you. Please let me know if you need any
>>> more info.
>> Looks to me to be completely unrelated to TuxOnIce - at least at a first
>> glance.
>>
>> Ccing the slab allocator maintainers listed in MAINTAINERS.
> 
> Not sure if this will do us any good, it's the second oops.

Looks like slab corruption to me which is usually not a slab bug but 
caused by buggy callers. Is CONFIG_DEBUG_SLAB enabled?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/