linux-kernel - Re: ath9k: BUG kmalloc-8192: Poison overwritten

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Date:	Fri, 14 May 2010 11:12:01 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	"Justin P. Mattock" <justinmattock@...il.com>
cc:	"Luis R. Rodriguez" <lrodriguez@...eros.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	linux-wireless@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten

On Thu, 13 May 2010, Justin P. Mattock wrote:

> I enable these options as well..
> (then see If I can(hopefully)re-create this
> then I'll bisect it).

Debugging causes a slowdown. You can switch debuggin on for a specific
slab.

f.e.

slub_debug=,kmalloc-8192

See also Documentation/vm/slub.txt

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