From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262767AbTLDAoC (ORCPT ); Wed, 3 Dec 2003 19:44:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262782AbTLDAoC (ORCPT ); Wed, 3 Dec 2003 19:44:02 -0500 Received: from mail.kroah.org ([65.200.24.183]:41101 "EHLO perch.kroah.org") by vger.kernel.org with ESMTP id S262767AbTLDAn5 (ORCPT ); Wed, 3 Dec 2003 19:43:57 -0500 Date: Wed, 3 Dec 2003 16:24:14 -0800 From: Greg KH To: "Collins, Bernard F. (Skip)" Cc: "'linux-kernel@vger.kernel.org'" Subject: Re: Visor USB hang Message-ID: <20031204002414.GI21541@kroah.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 03, 2003 at 05:36:01PM -0500, Collins, Bernard F. (Skip) wrote: > > > I am running 2.4.23 on a RedHat 9 system. Whenever I try to sync my > > > Visor Deluxe, the system hangs/freezes soon after I press the sync > > > button on my cradle. Trying to find the cause of the problem, I > > > preloaded the usbserial and visor modules with "debug=1". Nothing > > > obviously wrong appears in the logs. The last message before the > > > system freezes is a usb-uhci.c interrupt message. > > > > Can you show the log with that enabled? > > If you mean debug=1 enabled, the log excerpt I posted was generated with > both the usbserial and visor modules modprobed with debug=1. Perhaps I am > mistaken in assuming that my approach actually enables debugging. I > modprobed both modules and hit the hotsync button. I am assuming that > hotplug does not override the manually loaded module parameters. but then no user program tried to talk to the device. I don't see any accesses to the device in your logs. Any oops messages? > > What happens if you use the uhci.o module instead of usb-uhci.o? > > That is not terribly convenient to test right now. Can you suggest a simple > way to unload usb-uhci and load uhci without disabling my usb keyboard and > mouse? rmmod usb-uhci && modprobe uhci thanks, greg k-h