Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040
From: Justin P. Mattock <hidden>
Date: 2012-03-07 15:24:17
Also in:
linux-wireless, lkml
On 03/07/2012 07:19 AM, Mohammed Shafi wrote:
On Wed, Mar 7, 2012 at 7:55 PM, Justin P. Mattock [off-list ref] wrote:quoted
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 whethis 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.
quoted
part of dmesg here: http://fpaste.org/xew6/ I can supply full log if needed.. Justin P. Mattock -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Justin P. Mattock