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

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Message-ID: <4BECDD5D.9010609@gmail.com>
Date:	Thu, 13 May 2010 22:19:25 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
CC:	Pekka Enberg <penberg@...helsinki.fi>,
	linux-wireless@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten

On 05/13/10 22:07, Luis R. Rodriguez wrote:
> On Thu, May 13, 2010 at 9:55 PM, Pekka Enberg<penberg@...helsinki.fi>  wrote:
>> Hi Luis,
>>
>> On Fri, May 14, 2010 at 2:01 AM, Luis R. Rodriguez
>> <lrodriguez@...eros.com>  wrote:
>>> On Thu, May 13, 2010 at 3:17 PM, Justin P. Mattock
>>> <justinmattock@...il.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.
>
> Ah OK I had CONFIG_SLUB_DEBUG but not  CONFIG_SLUB_DEBUG_ON, will
> enable it from here on.
>
>    Luis
>

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

Justin P. Mattock
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