From: "Justin P. Mattock" <justinmattock@gmail.com>
To: Felix Fietkau <nbd@openwrt.org>
Cc: Mohammed Shafi <shafi.wireless@gmail.com>,
linux-kernel@vger.kernel.org,
Linux-netdev <netdev@vger.kernel.org>,
Linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
Date: Wed, 07 Mar 2012 09:37:14 -0800 [thread overview]
Message-ID: <4F579CCA.2060907@gmail.com> (raw)
In-Reply-To: <4F579A88.6030503@openwrt.org>
On 03/07/2012 09:27 AM, Felix Fietkau wrote:
> On 2012-03-07 4:24 PM, Justin P. Mattock wrote:
>> On 03/07/2012 07:19 AM, Mohammed Shafi wrote:
>>> On Wed, Mar 7, 2012 at 7:55 PM, Justin P. Mattock
>>> <justinmattock@gmail.com> wrote:
>>>> ath9k craps out from time to time(more annoying if anything)
>>>>
>>>> [44309.840830] ath: Failed to stop TX DMA, queues=0x001!
>>>> [44309.858246] ath: DMA failed to stop in 10 ms AR_CR=0x00000024
>>>> AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
>>>> [44309.858255] ath: Could not stop RX, we could be confusing the DMA engine
>>>> when we start RX up
>>>> [44309.932801] ath: Failed to stop TX DMA, queues=0x001!
>>>> [44309.950352] ath: DMA failed to stop in 10 ms AR_CR=0x00000024
>>>> AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
>>>> [44309.950361] ath: Could not stop RX, we could be confusing the DMA engine
>>>> when we start RX up
>>>> [44310.024301] ath: Failed to stop TX DMA, queues=0x001!
>>>> [44310.041641] ath: DMA failed to stop in 10 ms AR_CR=0x00000024
>>>> AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
>>>> [44310.041646] ath: Could not stop RX, we could be confusing the DMA engine
>>>> when we start RX up
>>>> [44310.116316] ath: Failed to stop TX DMA, queues=0x001!
>>>> [44310.133909] ath: DMA failed to stop in 10 ms AR_CR=0x00000024
>>>> AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
>>>> [44310.133918] ath: Could not stop RX, we could be confusing the DMA engine
>>>> when we start RX up
>>>> [44310.208021] ath: Failed to stop TX DMA, queues=0x001!
>>>> [44310.225752] ath: DMA failed to stop in 10 ms AR_CR=0x00000024
>>>> AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
>>>> [44310.225761] ath: Could not stop RX, we could be confusing the DMA engine
>>>> when we start RX up
>>>> [44310.299922] ath: Failed to stop TX DMA, queues=0x001!
>>>> [44310.317579] ath: DMA failed to stop in 10 ms AR_CR=0x00000024
>>>> AR_DIAG_SW=0x02000020 DMADBG_7=0x00006040
>>>> [44310.317587] ath: Could not stop RX, we could be confusing the DMA engine
>>>> whe
>>>
>>> this is has become a know issue but less harmful, please try to see if
>>> the workaround of disabling power save helps
>>>
>>> iw dev wlanX set power_save off
>>>
>>
>> ok! I have set that on the machine.. will see if I get this message in
>> the upcoming weeks.
> Also, please try this patch with powersave enabled:
> http://nbd.name/ps-fix.patch
>
> - Felix
>
I will give that a try as well..
Thanks!
Justin P. Mattock
next prev parent reply other threads:[~2012-03-07 17:37 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-07 14:25 ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040 Justin P. Mattock
2012-03-07 15:19 ` Mohammed Shafi
2012-03-07 15:24 ` Justin P. Mattock
2012-03-07 17:27 ` Felix Fietkau
2012-03-07 17:27 ` Felix Fietkau
2012-03-07 17:37 ` Justin P. Mattock [this message]
2012-03-08 21:18 ` Justin P. Mattock
2012-03-08 21:18 ` Justin P. Mattock
2012-03-15 13:57 ` Justin P. Mattock
2012-03-16 19:45 ` Justin P. Mattock
2012-03-19 14:43 ` Justin P. Mattock
2012-03-19 15:20 ` Mohammed Shafi
2012-03-19 15:25 ` Justin P. Mattock
2012-03-19 15:33 ` Felix Fietkau
2012-03-19 16:09 ` Justin P. Mattock
2012-03-20 5:54 ` Justin P. Mattock
2012-03-20 5:54 ` Justin P. Mattock
2012-03-20 6:19 ` Mohammed Shafi
2012-03-20 6:27 ` Justin P. Mattock
2012-03-20 6:32 ` Mohammed Shafi
2012-03-20 6:36 ` Justin P. Mattock
2012-03-20 7:44 ` Mohammed Shafi
2012-03-25 15:05 ` Justin P. Mattock
2012-03-25 15:05 ` Justin P. Mattock
2012-03-20 8:29 ` Sujith Manoharan
2012-03-20 8:29 ` Sujith Manoharan
2012-03-20 9:37 ` Mohammed Shafi
2012-03-20 11:15 ` Mohammed Shafi
2012-03-20 11:36 ` Mohammed Shafi
2012-03-20 11:46 ` Mohammed Shafi
2012-03-20 14:19 ` Justin P. Mattock
2012-03-20 15:22 ` Sujith Manoharan
2012-03-20 17:42 ` Justin P. Mattock
2012-03-25 23:00 ` Justin P. Mattock
2012-03-27 2:17 ` Sujith Manoharan
2012-03-27 2:17 ` Sujith Manoharan
2012-04-06 16:40 ` Justin P. Mattock
2012-04-06 16:56 ` Felix Fietkau
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