Return-path: Received: from mail-pz0-f42.google.com ([209.85.210.42]:36047 "EHLO mail-pz0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756597Ab2CGPYQ (ORCPT ); Wed, 7 Mar 2012 10:24:16 -0500 Message-ID: <4F577D9B.7020402@gmail.com> (sfid-20120307_162434_517807_27035B8A) Date: Wed, 07 Mar 2012 07:24:11 -0800 From: "Justin P. Mattock" MIME-Version: 1.0 To: Mohammed Shafi CC: linux-kernel@vger.kernel.org, Linux-netdev , Linux-wireless Subject: Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040 References: <4F576FD5.2050208@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 03/07/2012 07:19 AM, Mohammed Shafi wrote: > On Wed, Mar 7, 2012 at 7:55 PM, Justin P. Mattock > 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. > > >> >> >> 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