Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:48159 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966620Ab0GSWdF (ORCPT ); Mon, 19 Jul 2010 18:33:05 -0400 Received: by wwj40 with SMTP id 40so1656wwj.1 for ; Mon, 19 Jul 2010 15:33:04 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1279565034.4572.36.camel@localhost.localdomain> References: <1279565034.4572.36.camel@localhost.localdomain> Date: Tue, 20 Jul 2010 00:33:04 +0200 Message-ID: Subject: Re: iwlagn and many firmware restarts with Fedora kernel From: drago01 To: Marcel Holtmann Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Jul 19, 2010 at 8:43 PM, Marcel Holtmann wrote: > Hi, > > so during the last few weeks, I have seen a huge amount of firmware > restarts with my Intel 5350 card and Fedora 13 kernel (2.6.33.6-147). > > iwlagn 0000:03:00.0: low ack count detected, restart firmware > iwlagn 0000:03:00.0: On demand firmware reload > iwlagn 0000:03:00.0: Stopping AGG while state not ON or starting > iwlagn 0000:03:00.0: queue number out of range: 0, must be 10 to 19 > > If this happens then I don't see it once, I normally see this 10-20 > times and the connectivity is stalled until the cards comes back to > life. I have seen patches that should have fixed this symptom, but they > might be also send to -stable since this is a major hassle. > > The time without connectivity is something around 4-5 minutes or longer > when this happens. Not really funny. This happens here too even with the 2.6.34.1-9.fc13.x86_64 kernel; when this happens reloading the iwlagn module seems to be the only (quick) way to get it back to life.