Return-path: Received: from mail-iw0-f178.google.com ([209.85.223.178]:44042 "EHLO mail-iw0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753627AbZKLSNk convert rfc822-to-8bit (ORCPT ); Thu, 12 Nov 2009 13:13:40 -0500 Received: by iwn8 with SMTP id 8so1965385iwn.33 for ; Thu, 12 Nov 2009 10:13:46 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20091112181045.GA8839@sig21.net> References: <20091112152600.GA7562@sig21.net> <20091112181045.GA8839@sig21.net> From: "Luis R. Rodriguez" Date: Thu, 12 Nov 2009 10:13:26 -0800 Message-ID: <43e72e890911121013t7273c09fybff75fa2484cf07c@mail.gmail.com> Subject: Re: ath9k: DMA failed to stop in 10 ms To: Johannes Stezenbach Cc: linux-wireless@vger.kernel.org, ath9k-devel@lists.ath9k.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Nov 12, 2009 at 10:10 AM, Johannes Stezenbach wrote: > On Thu, Nov 12, 2009 at 04:26:00PM +0100, Johannes Stezenbach wrote: >> >> When running kismet I get a lot of >> >> [ 2030.531809] ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x00000020 > > Update: It seems that this is only happening when kismet is hopping > channels.  So it looks like an unclean shutdown of the receive > process and not a real problem -- except that the log flooding is > pretty annoying. Can you try disabling powersave before using monitor mode? sudo iwconfig wlan0 power off Luis