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@xxxxxxxxx> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html