From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932585AbVLMTit (ORCPT ); Tue, 13 Dec 2005 14:38:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932580AbVLMTit (ORCPT ); Tue, 13 Dec 2005 14:38:49 -0500 Received: from mail.kroah.org ([69.55.234.183]:11169 "EHLO perch.kroah.org") by vger.kernel.org with ESMTP id S932585AbVLMTit (ORCPT ); Tue, 13 Dec 2005 14:38:49 -0500 Date: Tue, 13 Dec 2005 11:38:32 -0800 From: Greg KH To: Denny Priebe Cc: linux-kernel@vger.kernel.org Subject: Re: Repeated USB disconnect and reconnect with Wacom Intuos3 6x11 tablet Message-ID: <20051213193832.GA14047@kroah.com> References: <20051213184600.GA4283@nostromo.dyndns.info> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051213184600.GA4283@nostromo.dyndns.info> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 13, 2005 at 07:46:00PM +0100, Denny Priebe wrote: > Hello, > > I just want to report a strange observation that I've made while trying to > setup my Wacom Intuos3 6x11 tablet: > > When I use the tablet (e.g. press a button, move the pen) and do not have > any process reading the provided data (e.g. there's no process reading > /dev/input/mouse0 and there's no process reading /dev/input/event5 in my > setup) the tablet disconnects from and immediately reconnects to the USB. > There's one pair of disconnect and reconnect each time I press a button or > use the pen. These disconnects and reconnects disappear as soon as there's > a process reading either /dev/input/mouse0 or /dev/input/event5 (mouse0 and > event5 according to my setup). > > I'm able to reproduce this with 2.6.15-rc5, 2.6.15-rc4, and 2.6.14.3, > but haven't tried other kernels yet. Sounds like a hardware problem, the kernel can't cause a device to electronically disconnect itself like this. I suggest plugging this into a different port, using a powered hub, or checking that the cable is still good. good luck, greg k-h