linux-kernel - Re: ath: Unable to reset channel (2412 MHz), reset status -5

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Message-ID: <4E290594.9050201@gmail.com>
Date:	Thu, 21 Jul 2011 22:07:32 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Mohammed Shafi <shafi.wireless@...il.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	linux-wireless@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: ath: Unable to reset channel (2412 MHz), reset status -5

On 07/19/2011 08:49 AM, Mohammed Shafi wrote:
> On Tue, Jul 19, 2011 at 8:55 PM, Justin P. Mattock
> <justinmattock@...il.com>  wrote:
>> On 07/18/2011 11:46 PM, Mohammed Shafi wrote:
>>>
>>> On Tue, Jul 19, 2011 at 12:05 PM, Justin P. Mattock
>>> <justinmattock@...il.com>    wrote:
>>>>
>>>> On 07/18/2011 11:25 PM, Mohammed Shafi wrote:
>>>>>
>>>>> On Tue, Jul 19, 2011 at 11:43 AM, Justin P. Mattock
>>>>> <justinmattock@...il.com>      wrote:
>>>>>>
>>>>>> seems with the latest Mainline I am getting the ath9k carpping out
>>>>>> after
>>>>>> a
>>>>>> while of streaming(dmesg below)..:
>>>>>> http://fpaste.org/D7wM/
>>>>>>
>>>>>> will try a bisect if I have the time..
>>>>>
>>>>> I will try to recreate here with 3.0.0-rc7-wl, we can get more
>>>>> information by ath9k debug=0xffffffff.
>>>>> thanks.
>>>>>
>>>>
>>>> cool!
>>>> seems to fire off randomly over here.
>>>
>>> I have got AR5416, will try with that.
>>>
>>
>> I can try the bisect, but might take a while, since external
>> activities(job). Seems this is just starting i.g. with
>> 3.0.0-rc1 I never saw this, but with 3.0.0-rc7-00125-gf560f66
>> its making noise.
>
> I am unable to get this problem in my AR5416 :( will also try
> tomorrow. I am using the card for browsing etc.
> recently there were patches for hardware code changes.
> just a guess, please check does this patch helps(or is it already
> there). i think this will be called via
> ath_set_channel->ath9k_hw_reset->ath9k_hw_init_bb and may be
> https://patchwork.kernel.org/patch/957902/
>

alright, I applied the patch above, and have ran this a few days in 
various hotspots etc.. unfortunantly this patch does not fix the issue.
dmesg is below:
http://fpaste.org/ozCA/

from what I remember, I had all my clients doing their thing, then all 
of a sudden everything slowly started to crap out.

as for bisecting, I think this might take a while due to the 
inconsistancy of this(seems to show up every 4/5 boots etc..)but if I 
get some free time, I will have a try.

Justin P. Mattock

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