From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031371AbWFOVBA (ORCPT ); Thu, 15 Jun 2006 17:01:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1031369AbWFOVBA (ORCPT ); Thu, 15 Jun 2006 17:01:00 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:18882 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1031363AbWFOVA7 (ORCPT ); Thu, 15 Jun 2006 17:00:59 -0400 Date: Thu, 15 Jun 2006 23:00:11 +0200 From: Pavel Machek To: Daniel Drake Cc: Jiri Benc , linville@tuxdriver.com, kernel list , netdev@vger.kernel.org Subject: Re: [patch] workaround zd1201 interference problem Message-ID: <20060615210011.GA2232@elf.ucw.cz> References: <20060607140045.GB1936@elf.ucw.cz> <20060607160828.0045e7f5@griffin.suse.cz> <20060607141536.GD1936@elf.ucw.cz> <4486FD2F.8040205@gentoo.org> <20060608070525.GE3688@elf.ucw.cz> <4489ECD0.1030908@gentoo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4489ECD0.1030908@gentoo.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > Pavel Machek wrote: > >if you plug zd1201 into USB, it starts jamming radio, > >immediately. Enable/disable, or iwlist wlan0 scan, or basically any > >operation unjams the radio. This patch works it around: > > Can we be any more specific? > > At which precise point does the interference start? Does it happen even > without the driver loaded? > > Which operation is the one which stops the interference, the enable or > the disable? enable alone is enough to stop the interference, but leaving card enabled after load seems like a dirty hack. > Does this happen on every plug in, or just sometimes? Is it affected by > usage patterns such as having the device plugged in throughout boot, > reloading the module, etc? If I remove the firmware file, interference does not start... that should be close to "not having module loaded". I think I've answered all the questions now? :-). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html