Return-path: Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:39638 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751075AbaDXH21 convert rfc822-to-8bit (ORCPT ); Thu, 24 Apr 2014 03:28:27 -0400 From: Bing Zhao To: "quozl@laptop.org" CC: John Tobias , "linux-wireless@vger.kernel.org" , "John W. Linville" , Amitkumar Karwar , Avinash Patil , Maithili Hinge , Xinming Hu , Chris Ball Date: Thu, 24 Apr 2014 00:28:02 -0700 Subject: RE: [PATCH 2/2] mwifiex: don't clear cmd_sent flag in timeout handler Message-ID: <477F20668A386D41ADCC57781B1F70430F70A2AB63@SC-VEXCH1.marvell.com> (sfid-20140424_092831_928679_360A4A2C) References: <1397710914-10061-1-git-send-email-bzhao@marvell.com> <1397710914-10061-2-git-send-email-bzhao@marvell.com> <477F20668A386D41ADCC57781B1F70430F70686650@SC-VEXCH1.marvell.com> <20140418044619.GF24166@us.netrek.org> <477F20668A386D41ADCC57781B1F70430F706868D4@SC-VEXCH1.marvell.com> <20140419003410.GB14606@us.netrek.org> <20140424061137.GN1947@us.netrek.org> In-Reply-To: <20140424061137.GN1947@us.netrek.org> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi James, > > > > I'm interested to know if the "firmware hangs" that you experiment > > > > with prevent autonomous RF TX, or if RF TX typically proceeds. > > > > > > It depends. Even if firmware hangs the hardware is still alive. > > > So you could see beacons and probe responses from the card if > > > hardware has been programmed before firmware hangs. > > > > Thanks. I neglected to mention the time period; beacons and probe > > responses are seen for many minutes after the timeout report by the > > driver, and I have not yet tested for how long this lasts. The probe > > responses are in reply to new probe requests. It makes me think the > > card is working fine, apart from not communicating with the host. > > Downgrading wireless firmware to 14.66.9.p80 has fixed this problem. Wow! It means that p96 firmware had introduced the problem. Thanks, Bing