netdev - Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG

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Message-ID: <4F674FF5.2060406@gmail.com>
Date:	Mon, 19 Mar 2012 08:25:41 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Mohammed Shafi <shafi.wireless@...il.com>
CC:	Linux-wireless <linux-wireless@...r.kernel.org>,
	Felix Fietkau <nbd@...nwrt.org>, linux-kernel@...r.kernel.org,
	Linux-netdev <netdev@...r.kernel.org>
Subject: Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020
 DMADBG_7=0x00008040

On 03/19/2012 08:20 AM, Mohammed Shafi wrote:
> Hi Justin,
>
>> seems I got this when waking up from suspend, was trying to connect with NM
>> then all of a sudden Xorg shut off and this appeared on the screen(image
>> links below I could not save dmesg only pic)
>> http://flic.kr/p/bEhf2K
>> http://flic.kr/p/bEhf2x
>> http://flic.kr/p/bEhf2n
>> http://flic.kr/p/bEhf26
>>
>> I see ath9k in the image, but am unsure if its related.
>> kernel is: 3.3.0-rc7-next-20120316
>
> this looks like some new issue  in ath9k, lets try to recreate it here
>
>>
>> Justin P. Mattock
>>
>>
>>
>
>
>

would be nice to recreate, then bisecting will be more accurate to do.. 
I am trying userspace tweaks here and there but no luck(hostapd etc..) 
keep in mind this is for the RX DMA, the above just occured..
as for writing a small app I still need to try, but my C skills only go 
so far(anything to trigger!).

Justin P. mattock
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