netdev - Re: [bug, netconsole, SLUB] BUG skbuff_head

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Date:	Mon, 21 Jul 2008 13:41:54 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	"Pekka Enberg" <penberg@...helsinki.fi>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

On Fri, Jul 18, 2008 at 1:56 AM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Vegard Nossum <vegard.nossum@...il.com> wrote:
>
>> On Thu, Jul 17, 2008 at 11:42 PM, Ingo Molnar <mingo@...e.hu> wrote:
>> > With this config:
>> >
>> >   http://redhat.com/~mingo/misc/config-Thu_Jul_17_20_24_45_CEST_2008.bad
>> >
>>
>> It doesn't actually work. The config says
>>
>>     # head: 088fcf34
>>
>> and I checked out this from the tip tree. But kernel-config still
>> complains about unknown config options... What went wrong?
>
> that's ok - i've got some local qa helpers that have config options.
>
> Things like making SMP bootups more likely in randconfig, adding various
> boot parameters to the bootup via .config methods (so that boot
> parameters can be randomized via make randconfig), etc.

Hm, your config doesn't contain SLUB_DEBUG either. Isn't that a
requirement for seeing the BUG you're getting?

$ grep SLUB config-Thu_Jul_17_20_24_45_CEST_2008.bad
# CONFIG_SLUB_DEBUG is not set
CONFIG_SLUB=y

Did you post the wrong config?


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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