Return-path: Received: from mail-qw0-f46.google.com ([209.85.216.46]:52072 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755235Ab1CHTpD (ORCPT ); Tue, 8 Mar 2011 14:45:03 -0500 MIME-Version: 1.0 In-Reply-To: <4D76833E.9010603@candelatech.com> References: <20110303135942.GA8969@tuxdriver.com> <20110307151201.GC2664@tuxdriver.com> <4D767A4B.1060203@gmail.com> <4D76833E.9010603@candelatech.com> Date: Tue, 8 Mar 2011 14:45:02 -0500 Message-ID: Subject: Re: WARNING: at drivers/net/wireless/ath/ath9k/recv.c:536 ath_stoprecv+0xc8/0xda [ath9k]() From: Brian Prodoehl To: Ben Greear Cc: "Justin P. Mattock" , Mohammed Shafi , "John W. Linville" , linux-wireless@vger.kernel.org, Linux Kernel Mailing List , ath9k-devel@atheros.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Mar 8, 2011 at 2:27 PM, Ben Greear wrote: > On 03/08/2011 10:49 AM, Justin P. Mattock wrote: >> >> On 03/07/2011 07:22 AM, Mohammed Shafi wrote: >>> >>> On Mon, Mar 7, 2011 at 8:42 PM, John W. >>> Linville wrote: >>>> >>>> On Sun, Mar 06, 2011 at 12:47:05AM -0800, Justin Mattock wrote: >>>> >>>>> full dmesg here: >>>>> http://fpaste.org/5JQp/ >>>>> let me know if I need to supply any info(also I can try a bisect, but >>>>> am in the middle of changing residencies, so it might not be right >>>>> away) >>>> >>>> One of the Atheros guys suggested that you change a DMA timeout value. >>>> Did you try that? >>> >>> John it looks like increasing the timeout also does not seems to help. >>> A user reported this issue in ath9k developer list and he told that >>> increasing the timeout did not fix this issue. >>> >>>> >>>> John >>>> -- >>>> John W. Linville Someday the world will need a hero, and you >>>> linville@tuxdriver.com might be all we have. Be ready. >>>> -- >>>> 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 >>>> >>> >> >> at barnes and noble, and I see this has fired off again. will see if I >> can reproduce and bisect. > > This problem goes way back, and the driver has had lots of fixes in the > last few months, so I'm not sure if bisecting is going to > do you any good. > > Thanks, > Ben The warnings have been around since you added the check for the problem, right? I remember initially it was a WARN_ON, and I'd get a steady flood of backtraces, and then it was switched to a WARN_ON_ONCE. I see these on every platform I have (x86_64, IXP425 and AR71xx) with AR9002 and AR9003. -Brian