Return-path: Received: from mail-qc0-f174.google.com ([209.85.216.174]:33697 "EHLO mail-qc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751791Ab2H3P7S (ORCPT ); Thu, 30 Aug 2012 11:59:18 -0400 Received: by mail-qc0-f174.google.com with SMTP id o28so1364316qcr.19 for ; Thu, 30 Aug 2012 08:59:18 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20120807102208.GA12589@redhat.com> References: <20120807102208.GA12589@redhat.com> From: Pedro Francisco Date: Thu, 30 Aug 2012 16:58:58 +0100 Message-ID: (sfid-20120830_175943_448519_E56D2A4A) Subject: Re: unloading WiFi modules is usually triggering kernel crash To: Stanislaw Gruszka Cc: ML linux-wireless Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Aug 7, 2012 at 11:22 AM, Stanislaw Gruszka wrote: > On Tue, Jul 31, 2012 at 01:54:52PM +0100, Pedro Francisco wrote: >> I've noticed in the past few days a pattern: sometimes nm-applet >> starts showing empty bars for the signal strength. > > RSSI reporting problem or maybe NM issue. When you change kernel to > older or newer does this problem go away ? > >> Running the script: >> sudo ifconfig wlan0 down; sleep 1 >> sudo rmmod hp_wmi; sudo rmmod iwl3945; sudo rmmod iwlegacy; sudo rmmod >> mac80211; sudo rmmod cfg80211 >> sleep 2; sudo rmmod rfkill; sync >> sudo modprobe rfkill; sudo modprobe cfg80211; sudo modprobe mac80211; >> sudo modprobe iwlegacy >> sudo modprobe iwl3945; sudo modprobe hp_wmi; sleep 1; sudo ifconfig wlan0 up > > I run a bit modified script (I do not have hp_wmi.ko and rfkill.ko) for few > hours, and did not get any WARNING/crash. I used 3.5, can you check if that > problem is also fixed on your system on 3.5 or newer. On 3.5.2-3.fc17.i686.PAE everything seems stable. The problem I had described hasn't happened recently. I guess it got fixed in the meantime. Thank you for your time, -- Pedro