Return-path: Received: from senator.holtmann.net ([87.106.208.187]:52637 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753081Ab0GSX2m (ORCPT ); Mon, 19 Jul 2010 19:28:42 -0400 Subject: RE: iwlagn and many firmware restarts with Fedora kernel From: Marcel Holtmann To: "Guy, Wey-Yi W" Cc: "linux-wireless@vger.kernel.org" In-Reply-To: References: <1279565034.4572.36.camel@localhost.localdomain> Content-Type: text/plain; charset="UTF-8" Date: Mon, 19 Jul 2010 16:28:38 -0700 Message-ID: <1279582118.4572.42.camel@localhost.localdomain> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Wey, > 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. > > Which patch you referring to? I will try to work on submit it to stable. no patch in particular, I just have seen some commit messages that would be indicating this got fixed. Regards Marcel