All of lore.kernel.org
 help / color / mirror / Atom feed
From: Pekka Enberg <penberg@cs.helsinki.fi>
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
Date: Tue, 26 Jan 2010 22:59:00 +0200	[thread overview]
Message-ID: <4B5F5794.8020302@cs.helsinki.fi> (raw)
In-Reply-To: <1264539045.3536.1348.camel@calx>

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?

WARNING: multiple messages have this Message-ID (diff)
From: Pekka Enberg <penberg@cs.helsinki.fi>
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
Date: Tue, 26 Jan 2010 22:59:00 +0200	[thread overview]
Message-ID: <4B5F5794.8020302@cs.helsinki.fi> (raw)
In-Reply-To: <1264539045.3536.1348.camel@calx>

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, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2010-01-26 20:59 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-26 19:21 BUG at mm/slab.c:2990 with 2.6.33-rc5-tuxonice Pedro Ribeiro
2010-01-26 20:39 ` Nigel Cunningham
2010-01-26 20:39   ` Nigel Cunningham
2010-01-26 20:50   ` Matt Mackall
2010-01-26 20:50     ` Matt Mackall
2010-01-26 20:59     ` Pekka Enberg [this message]
2010-01-26 20:59       ` Pekka Enberg
2010-01-26 21:35       ` Christoph Lameter
2010-01-26 21:35         ` Christoph Lameter
2010-01-26 21:50       ` Pedro Ribeiro
2010-01-26 21:50         ` Pedro Ribeiro
2010-01-26 23:31         ` Pedro Ribeiro
2010-01-26 23:31           ` Pedro Ribeiro
2010-01-27  8:02           ` Pekka Enberg
2010-01-27  8:02             ` Pekka Enberg

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4B5F5794.8020302@cs.helsinki.fi \
    --to=penberg@cs.helsinki.fi \
    --cc=cl@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mpm@selenic.com \
    --cc=ncunningham@crca.org.au \
    --cc=pedrib@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.