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Date: Fri, 14 May 2010 07:55:37 +0300
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Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: "Justin P. Mattock" <justinmattock@gmail.com>,
       linux-wireless@vger.kernel.org,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Christoph Lameter <cl@linux-foundation.org>
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Hi Luis,

On Fri, May 14, 2010 at 2:01 AM, Luis R. Rodriguez
<lrodriguez@atheros.com> wrote:
> On Thu, May 13, 2010 at 3:17 PM, Justin P. Mattock
> <justinmattock@gmail.com> wrote:
>> not sure what this is, but while at a convention
>> I was trying to access the internet and(below is
>> full dmesg) this showed up.
>>
>> After receiving this, I sat and tried to re-create
>> my steps to reproduce but had no luck(was even going
>> todo a bisect n the spot if I could re-create).
>
> OK this stuff is hard to reproduce it seems.. you have an Atheros
> AR5418 MAC/BB Rev:2 AR5133 RF Rev:81, what kconfig option do you use
> to get the poison stuff? I am just surprised we haven't seen it
> ourselves yet. Let me make sure all of us get this kconfig option
> enabled.

CONFIG_SLUB_DEBUG and then either CONFIG_SLUB_DEBUG_ON or pass
'slub_debug' as kernel parameter.