From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264277AbUD0TAz (ORCPT ); Tue, 27 Apr 2004 15:00:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264288AbUD0TAz (ORCPT ); Tue, 27 Apr 2004 15:00:55 -0400 Received: from postfix4-2.free.fr ([213.228.0.176]:34531 "EHLO postfix4-2.free.fr") by vger.kernel.org with ESMTP id S264277AbUD0TAx (ORCPT ); Tue, 27 Apr 2004 15:00:53 -0400 From: Duncan Sands To: Greg KH , Oliver Neukum Subject: Re: Kernel Oops during usb usage (2.6.5) Date: Tue, 27 Apr 2004 13:06:52 +0200 User-Agent: KMail/1.5.4 Cc: Bill Davidsen , "E. Oltmanns" , linux-kernel@vger.kernel.org References: <20040423205617.GA1798@local> <200404270017.34478.oliver@neukum.org> <20040426223101.GA9258@kroah.com> In-Reply-To: <20040426223101.GA9258@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200404271306.52543.baldrick@free.fr> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Heh. So the correct answer is: > - don't do that. Talking to the same device through usbfs at > the same time by multiple programs is cause for lots of bad > things to happen to your device, and might possibly cause it > to hang. If you want to allow a user to access a device > through usbfs, make sure you trust them. If usbfs fails to work when a device is accessed by multiple programs then that is a bug in usbfs and should be fixed. Hopefully it's already fixed. All the best, Duncan.