Return-path: Received: from mail-bk0-f46.google.com ([209.85.214.46]:42173 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753378Ab2CGPTi convert rfc822-to-8bit (ORCPT ); Wed, 7 Mar 2012 10:19:38 -0500 MIME-Version: 1.0 In-Reply-To: <4F576FD5.2050208@gmail.com> References: <4F576FD5.2050208@gmail.com> Date: Wed, 7 Mar 2012 20:49:36 +0530 Message-ID: (sfid-20120307_162000_570865_99579170) Subject: Re: ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02000020 DMADBG_7=0x00008040 From: Mohammed Shafi To: "Justin P. Mattock" Cc: linux-kernel@vger.kernel.org, Linux-netdev , Linux-wireless Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 > > > 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 -- thanks, shafi