linux-kernel - Re: [Bug #13112] Oops in drain

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Message-ID: <Pine.LNX.4.64.0904281444220.2455@galaxy.riz.pl>
Date:	Tue, 28 Apr 2009 15:05:17 +0200 (CEST)
From:	Bart <mmx@....pl>
To:	Christoph Lameter <cl@...ux.com>
cc:	Pekka Enberg <penberg@...helsinki.fi>,
	David Rientjes <rientjes@...gle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Bug #13112] Oops in drain_array

On Mon, 27 Apr 2009, Christoph Lameter wrote:

> On Mon, 27 Apr 2009, Bart wrote:
>
>> Apr 27 16:57:30 fs kernel: [   96.446708] slab error in verify_redzone_free():
>> cache `size-128': memory outside object was overwritten
>
> Allright so a write after or before a 128 byte kmalloc object. Can
> you switch to the SLUB allocator so that we can get memory dumps of
> the corruption which will help to diagnose this further?

After switching to SLUB I had a complete hard freeze when trying to 
reproduce the error. I've got a photo of the screen but I dont know if it 
is usefull so I did not copied it to txt:

http://bz.riz.pl/IMAG0032.jpg

-- 
  Regards
  Bart mmx@....pl
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