Return-path: Received: from mail-bw0-f221.google.com ([209.85.218.221]:59077 "EHLO mail-bw0-f221.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751807AbZG1OPE convert rfc822-to-8bit (ORCPT ); Tue, 28 Jul 2009 10:15:04 -0400 Received: by bwz21 with SMTP id 21so53138bwz.37 for ; Tue, 28 Jul 2009 07:15:03 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <200907272035.41193.chris2553@googlemail.com> <1248725279.7440.8.camel@mj> <200907272122.11290.chris2553@googlemail.com> <1248726744.32365.4.camel@johannes.local> Date: Tue, 28 Jul 2009 15:15:03 +0100 Message-ID: Subject: Re: 2.6.31-rc2: Possible regression in rt61pci driver From: Chris Clayton To: Luis Correia Cc: Johannes Berg , Pavel Roskin , linux-wireless@vger.kernel.org, Ivo van Doorn Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Luis, 2009/7/28 Luis Correia : > Chris > > On Tue, Jul 28, 2009 at 14:34, Chris Clayton wrote: >> 2009/7/28 Luis Correia : >>> Hi Chris >> >>> Can you do a very dumb test for me? >>> >>> Boot your laptop by adding 'irqpoll' to the kernel command line >>> options and see if the problem still occours. >>> >> >> Not so dumb a request, actually. ?Running -rc4 with the irqpoll >> command line option, the laptop has just survived 30 minutes without a >> freeze. It can't survive more than 5 minutes without that option. >> >> Chris > > Well, if the laptop hangs on working without any problems, this may > proove to be some strange kind of hardware incompatibility. > > The irqpoll option solves some of the interrupt related problems, by > polling them instead of 'grabbing' them (at least that is what I think > it is happening, correct me if I'm wrong:)) > I've no idea whether you are right or wrong :-) If it is a hardware quirk, the odd thing is that the card has worked perfectly (modulo development cycle bugs that I've unearthed and reported) for a long time now, including the codemonkey driver before rt2x00 hit mainline. Anyway, thanks for your help. Chris > > Luis Correia > rt2x00 project admin > -- No, Sir; there is nothing which has yet been contrived by man, by which so much happiness is produced as by a good tavern or inn - Doctor Samuel Johnson