Return-path: Received: from s72.web-hosting.com ([198.187.29.21]:47910 "EHLO s72.web-hosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752386Ab3BUBiJ (ORCPT ); Wed, 20 Feb 2013 20:38:09 -0500 From: Sujith Manoharan MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <20773.31273.604966.176099@gargle.gargle.HOWL> (sfid-20130221_023813_776068_72779712) Date: Thu, 21 Feb 2013 07:06:41 +0530 To: Ben Greear Cc: "linux-wireless\@vger.kernel.org" Subject: Re: 3.7.6+: ath9k: tx logic locks up after taking attenuation very high. In-Reply-To: <51255360.6060603@candelatech.com> References: <511935F2.8080103@candelatech.com> <20761.34987.125000.908722@gargle.gargle.HOWL> <511BC243.8010409@candelatech.com> <20770.57339.20017.225929@gargle.gargle.HOWL> <51255360.6060603@candelatech.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Ben Greear wrote: > From the AP lockup case, dmesg is full of stuff like this: > > [ 1819.538577] vap1: delba from 00:3f:d1:e4:32:51 (initiator) tid 0 reason code 37 > [ 1819.640602] vap1: Rx A-MPDU request on 00:6f:f9:68:b1:31 tid 0 result 0 > [ 1819.690601] vap1: Rx A-MPDU request on 00:01:ab:ba:da:d3 tid 0 result 0 > [ 1819.778013] vap1: RX session timer expired on 00:59:82:d1:d8:8c tid 0 > [ 1819.778040] vap1: Rx BA session stop requested for 00:59:82:d1:d8:8c tid 0 recipient reason: 39 > [ 1819.814600] vap1: delba from 00:59:82:d1:d8:8c (initiator) tid 0 reason code 37 > [ 1819.820010] vap1: RX session timer expired on 00:eb:69:fc:4b:db tid 0 > [ 1819.820034] vap1: Rx BA session stop requested for 00:eb:69:fc:4b:db tid 0 recipient reason: 39 > [ 1819.863631] vap1: delba from 00:eb:69:fc:4b:db (initiator) tid 0 reason code 37 > [ 1819.978012] vap1: RX session timer expired on 00:39:9a:d1:0e:10 tid 0 > [ 1819.978035] vap1: Rx BA session stop requested for 00:39:9a:d1:0e:10 tid 0 recipient reason: 39 > [ 1820.014580] vap1: delba from 00:39:9a:d1:0e:10 (initiator) tid 0 reason code 37 The ADDBA sessions are being torn down aggressively. > TXERR Filtered: 224 0 0 0 The recipient has gone out of range and frames are being filtered here. As a quick test, can you disable PowerSave on the client and check if the issue still happens ? Sujith