Return-path: Received: from s72.web-hosting.com ([198.187.29.21]:44414 "EHLO s72.web-hosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757205Ab3BSChw (ORCPT ); Mon, 18 Feb 2013 21:37:52 -0500 From: Sujith Manoharan MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <20770.58671.383019.745225@gargle.gargle.HOWL> (sfid-20130219_033754_712888_D039FE28) Date: Tue, 19 Feb 2013 08:06:31 +0530 To: Ben Greear Cc: Subject: Re: 3.7.6+: ath9k: tx logic locks up after taking attenuation very high. In-Reply-To: <20770.57339.20017.225929@gargle.gargle.HOWL> References: <511935F2.8080103@candelatech.com> <20761.34987.125000.908722@gargle.gargle.HOWL> <511BC243.8010409@candelatech.com> <20770.57339.20017.225929@gargle.gargle.HOWL> Sender: linux-wireless-owner@vger.kernel.org List-ID: Sujith Manoharan wrote: > xmit.c would be a good place. Can you also post the kernel log with some > debugging information ? debug=0x8f49 would be good. We came across an issue where slowly reducing attenuation would eventually cause transmission to fail. This was seen only with the ath9k rate control module and was fixed by the commit: "ath9k: Fix TX filter usage". With minstrel_ht, things were smooth. Can you also try changing the RC and see if the issue is still seen ? Sujith