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

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Message-ID: <4BECA6AC.9060609@gmail.com>
Date:	Thu, 13 May 2010 18:26:04 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	"Luis R. Rodriguez" <lrodriguez@...eros.com>
CC:	Bruno Randolf <br1@...fach.org>,
	Luis Rodriguez <Luis.Rodriguez@...eros.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten

On 05/13/10 18:23, Luis R. Rodriguez wrote:
> On Thu, May 13, 2010 at 06:13:18PM -0700, Justin P. Mattock wrote:
>> On 05/13/10 18:08, Bruno Randolf wrote:
>>> On Friday 14 May 2010 09:50:51 Justin P. Mattock wrote:
>>>> On 05/13/10 17:28, Luis R. Rodriguez wrote:
>>>>> On Thu, May 13, 2010 at 5:21 PM, Justin P. Mattock
>>>>>
>>>>> <justinmattock@...il.com>    wrote:
>>>>>> On 05/13/10 16:01, Luis R. Rodriguez 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.
>>>>>>>
>>>>>>>      Luis
>>>>>>
>>>>>> CONFIG_ATH_COMMON=m
>>>>>> # CONFIG_ATH_DEBUG is not set
>>>>>> CONFIG_ATH5K=m
>>>>>> # CONFIG_ATH5K_DEBUG is not set
>>>>>> CONFIG_ATH9K_HW=m
>>>>>> CONFIG_ATH9K_COMMON=m
>>>>>> CONFIG_ATH9K=m
>>>>>> # CONFIG_ATH9K_DEBUGFS is not set
>>>>>>
>>>>>> if you need my .config let me know.
>>>>>> (I can try again reproducing, but man
>>>>>> just doesn't easily fire off).
>>>>>
>>>>> Oh I mean the config options to enable the poison rant.
>>>>>
>>>>>      Luis
>>>>
>>>> shoot.. not sure how to grep for the right info
>>>> in the .config for you, heres what grepping for COFIG_DEBUG
>>>> looks like:
>>>> CONFIG_DEBUG_FS=y
>>>> CONFIG_DEBUG_KERNEL=y
>>>> CONFIG_DEBUG_RT_MUTEXES=y
>>>> CONFIG_DEBUG_PI_LIST=y
>>>> CONFIG_DEBUG_SPINLOCK=y
>>>> CONFIG_DEBUG_MUTEXES=y
>>>> CONFIG_DEBUG_BUGVERBOSE=y
>>>> CONFIG_DEBUG_MEMORY_INIT=y
>>>> CONFIG_DEBUG_STACKOVERFLOW=y
>>>
>>> oh, this reminds me of a similar report we had for ath5k:
>>>
>>> https://bugzilla.kernel.org/show_bug.cgi?id=15861
>>>
>>> the subject on this mailing list was "ath5k misbehaving affecting other kernel
>>> parts unrelated?"
>>>
>>> bruno
>>>
>>
>> Could be.. From what I remember
>> all I was doing was switching from
>> one wireless network to another
>> (then opening firefox to sign my life away).
>
> Were you using network-manager? Or the supplicant manually?
>
>    Luis
>

I've got wicd(1.5.9) manager
running over here.

Justin P. Mattock
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