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

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Message-ID: <AANLkTimmctk1GWOTlW8Han7E3gJVgqJjUAMeqYnvyuHn@mail.gmail.com>
Date:	Thu, 13 May 2010 22:07:06 -0700
From:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	"Justin P. Mattock" <justinmattock@...il.com>,
	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 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
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