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Date:	Mon, 21 Jul 2008 13:41:54 +0200
From:	"Vegard Nossum" <>
To:	"Ingo Molnar" <>
	"Pekka Enberg" <>,
	"Rafael J. Wysocki" <>
Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

On Fri, Jul 18, 2008 at 1:56 AM, Ingo Molnar <> wrote:
> * Vegard Nossum <> wrote:
>> On Thu, Jul 17, 2008 at 11:42 PM, Ingo Molnar <> wrote:
>> > With this config:
>> >
>> >
>> >
>> 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

Did you post the wrong config?


"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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