Return-path: Received: from fg-out-1718.google.com ([72.14.220.152]:28420 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756558AbZGMS3u (ORCPT ); Mon, 13 Jul 2009 14:29:50 -0400 Received: by fg-out-1718.google.com with SMTP id e21so725407fga.17 for ; Mon, 13 Jul 2009 11:29:48 -0700 (PDT) From: Helmut Schaa To: reinette chatre Subject: Re: iwlwifi 4965 uCode available Date: Mon, 13 Jul 2009 20:29:52 +0200 Cc: "linux-wireless@vger.kernel.org" , "ipw3945-devel@lists.sourceforge.net" References: <1247174482.17896.1304.camel@rc-desk> <200907121445.42289.helmut.schaa@gmail.com> <1247499979.17896.1556.camel@rc-desk> In-Reply-To: <1247499979.17896.1556.camel@rc-desk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200907132029.53507.helmut.schaa@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Am Montag, 13. Juli 2009 schrieb reinette chatre: > On Sun, 2009-07-12 at 05:45 -0700, Helmut Schaa wrote: > > Am Donnerstag, 9. Juli 2009 schrieb reinette chatre: > > > Version 228.61.2.24 of uCode for Intel Wireless WiFi Link 4965AGN is now > > > available for download from > > > http://intellinuxwireless.org/?n=Downloads > > > > The new ucode seems to cause fw restarts every now and then (together > > with wireless-testing). > > oh no ... > > > > > iwlagn 0000:10:00.0: Microcode SW error detected. Restarting 0x82000000. > > What is the status when such an error occurs? Can it recover on its own > or do you need to take action? What action is needed? It recovers automatically, no action required. Not sure if it has any negative impact on the connection. At least I did not notice anything yet. > > I couldn't figure out how to reproduce this but it happened a few times > > now since I switched to the new ucode. > > > > Should I load iwlagn with some special debug flags? > > If your driver is compiled with CONFIG_IWLWIFI_DEBUG then you can pass a > debug flag to the module that will print a ucode event log when it > encounters a problem like this. As it will only print out the event log > when this error occurs you can safely turn this debugging on permanently > without risking a clutter of your logs. Later, if you know how to > reproduce is you can increase debugging to get more details about what > the driver is actually doing. The debug flag for _just_ the ucode event > log is 0x40000 (like "modprobe iwlagn debug=0x40000"). The 0x43fff is a > more general debug flag that helps with obtaining more information. > > When you have this data - could you please submit a bug at > intellinuxwireless.org/bugzilla for us to be able to track it? Will do as soon as I find a way to reproduce it. Helmut