Messages in this thread | | | Date | Wed, 07 Mar 2012 09:37:14 -0800 | From | "Justin P. Mattock" <> | Subject | Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040 |
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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
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