Return-path: Received: from nbd.name ([46.4.11.11]:56574 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758741Ab2CSPdJ (ORCPT ); Mon, 19 Mar 2012 11:33:09 -0400 Message-ID: <4F6751B2.1030809@openwrt.org> (sfid-20120319_163329_645722_009BE4C6) Date: Mon, 19 Mar 2012 16:33:06 +0100 From: Felix Fietkau MIME-Version: 1.0 To: "Justin P. Mattock" CC: Mohammed Shafi , Linux-wireless , linux-kernel@vger.kernel.org, Linux-netdev 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> <4F577D9B.7020402@gmail.com> <4F579A88.6030503@openwrt.org> <4F61F551.5010608@gmail.com> <4F639851.5080500@gmail.com> <4F674616.8080103@gmail.com> <4F674FF5.2060406@gmail.com> In-Reply-To: <4F674FF5.2060406@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2012-03-19 4:25 PM, Justin P. Mattock wrote: > On 03/19/2012 08:20 AM, Mohammed Shafi wrote: >> Hi Justin, >> >>> seems I got this when waking up from suspend, was trying to connect with NM >>> then all of a sudden Xorg shut off and this appeared on the screen(image >>> links below I could not save dmesg only pic) >>> http://flic.kr/p/bEhf2K >>> http://flic.kr/p/bEhf2x >>> http://flic.kr/p/bEhf2n >>> http://flic.kr/p/bEhf26 >>> >>> I see ath9k in the image, but am unsure if its related. >>> kernel is: 3.3.0-rc7-next-20120316 >> >> this looks like some new issue in ath9k, lets try to recreate it here >> >>> >>> Justin P. Mattock >>> >>> >>> >> >> >> > > would be nice to recreate, then bisecting will be more accurate to do.. > I am trying userspace tweaks here and there but no luck(hostapd etc..) > keep in mind this is for the RX DMA, the above just occured.. > as for writing a small app I still need to try, but my C skills only go > so far(anything to trigger!). Was your kernel compiled with debug info? If so, please run gdb on the ath9k.ko module and enter this: l *ath9k_tx+start+0x284 Then send me the output of that. - Felix