From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]:52680 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751860Ab3JXLbS (ORCPT ); Thu, 24 Oct 2013 07:31:18 -0400 Date: Thu, 24 Oct 2013 13:27:51 +0200 From: Stanislaw Gruszka To: Dietmar Rudolph Cc: linux-wireless@vger.kernel.org Subject: Re: iwl3945 filling kern.log when HW switch is off Message-ID: <20131024112750.GC1677@redhat.com> (sfid-20131024_133135_197044_A2BC3B60) References: <526795E1.90701@crlf.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <526795E1.90701@crlf.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Oct 23, 2013 at 11:24:49AM +0200, Dietmar Rudolph wrote: > Hello, I hope this is the correct place to put a bug report in. I do > not subscribe to this mailing list, but feel free to send PM in case > you need additional info. You shoudn't :-) > > After installing Ubuntu 13.10, I noticed kern.log growing faster > than you could look at. Within a few working hours, kern.log was > >6GB! > > The reason is that I intentionally disabled WiFi on this laptop by > turning the HW switch off. However, this makes iwl3945 write a log > entry into kern.log every few microseconds! > > The workaround is to turn the HW switch on. The bug fix would be to > write just a single line to kern.log. This message is printed when someone try to UP device when RF kill switch is on. Either you did not compile kernel with CONFIG_RFKILL or your user space network management software does not handle rfkill . Stanislaw