From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 2 Jan 2002 21:10:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 2 Jan 2002 21:10:27 -0500 Received: from relais.videotron.ca ([24.201.245.36]:10629 "EHLO VL-MS-MR004.sc1.videotron.ca") by vger.kernel.org with ESMTP id ; Wed, 2 Jan 2002 21:10:18 -0500 Message-ID: <3C33BD88.3010903@videotron.ca> Date: Wed, 02 Jan 2002 21:10:16 -0500 From: Roger Leblanc Organization: General DataComm User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.4) Gecko/20010914 X-Accept-Language: en-us MIME-Version: 1.0 To: Greg KH CC: linux-kernel@vger.kernel.org Subject: Re: Deadlock in kernel on USB shutdown In-Reply-To: <3C33A22F.40906@videotron.ca> <20020103001816.GB4162@kroah.com> <3C33A4EC.1040300@videotron.ca> <20020103002827.GA4462@kroah.com> <3C33AF4F.7000703@videotron.ca> <20020103013231.GA4952@kroah.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Greg KH wrote: >On Wed, Jan 02, 2002 at 08:09:35PM -0500, Roger Leblanc wrote: > >>Mmmm, I should have guessed that one. Scanner is quite a good name for a >>scanner module ;-). Anyway, I moved things around so "scanner" and all >>the other device specific modules are unloaded before usb-uhci but yet, >>it doesn't help. It still freeses when unload usb-uhci. Any idea? >> > >Hm, if you umount usbdevfs before unloading usb-uhci, does that work? > umount seg-faults while unmounting /proc/bus/usb! Then modprobe also seg-faults while unloading usb-uhci!!! But the system stays up. After that, I cannot make my scanner to work even if I run ".../init.d/usb start". B.T.W. Did I tell you that I can bring the kernel down just by turning the scanner off and then back again? Confused Roger