Return-path: Received: from mx1.redhat.com ([209.132.183.28]:30186 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750878Ab2HGKWN (ORCPT ); Tue, 7 Aug 2012 06:22:13 -0400 Date: Tue, 7 Aug 2012 12:22:09 +0200 From: Stanislaw Gruszka To: Pedro Francisco Cc: ML linux-wireless Subject: Re: unloading WiFi modules is usually triggering kernel crash Message-ID: <20120807102208.GA12589@redhat.com> (sfid-20120807_122251_638707_C726E9B9) References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org List-ID: 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. Stanislaw