From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from nbd.name ([46.4.11.11]:47959 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755740Ab3BVMiV (ORCPT ); Fri, 22 Feb 2013 07:38:21 -0500 Message-ID: <512766B8.3030008@openwrt.org> (sfid-20130222_133825_498942_C6BC1D27) Date: Fri, 22 Feb 2013 13:38:16 +0100 From: Felix Fietkau MIME-Version: 1.0 To: Sujith Manoharan CC: Ben Greear , ath9k-devel@venema.h4ckr.net, linux-wireless@vger.kernel.org Subject: Re: [ath9k-devel] [RFC] ath9k: Detect and work-around tx-queue hang. References: <1361498797-14361-1-git-send-email-greearb@candelatech.com> <20774.62475.588131.344540@gargle.gargle.HOWL> <5126F732.6040007@candelatech.com> <20774.63702.208829.602903@gargle.gargle.HOWL> <51270186.6070003@candelatech.com> <51275837.4020708@openwrt.org> <20775.25545.671357.512930@gargle.gargle.HOWL> In-Reply-To: <20775.25545.671357.512930@gargle.gargle.HOWL> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 2013-02-22 1:25 PM, Sujith Manoharan wrote: > Felix Fietkau wrote: >> Please also check if the station(s) that the frames are queued for are >> in powersave state for some reason. That would prevent the tx path from >> throwing them in the hw queue, yet they'd still take up pending-frame >> slots. I was planning on fixing this eventually by expiring frames that >> stay in the queue for too long, but haven't decided on the exact >> approach yet. > > PS is disabled for multi-VIF. What about off-channel PS due to scans, etc. - Felix