From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751700AbYDDUwU (ORCPT ); Fri, 4 Apr 2008 16:52:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751131AbYDDUwE (ORCPT ); Fri, 4 Apr 2008 16:52:04 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:48216 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056AbYDDUwB (ORCPT ); Fri, 4 Apr 2008 16:52:01 -0400 Date: Fri, 4 Apr 2008 13:51:54 -0700 From: Greg KH To: Jiri Slaby Cc: Andrew Morton , linux-kernel@vger.kernel.org, Greg KH , linux-usb@vger.kernel.org Subject: Re: usb unbind/bind => WARNING at fs/sysfs/dir.c [Was: 2.6.25-rc8-mm1] Message-ID: <20080404205154.GB14315@kroah.com> References: <20080401213214.8fbb6d6b.akpm@linux-foundation.org> <47F68CA0.7090007@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47F68CA0.7090007@gmail.com> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 04, 2008 at 10:16:32PM +0200, Jiri Slaby wrote: > On 04/02/2008 06:32 AM, Andrew Morton wrote: >> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc8/2.6.25-rc8-mm1/ > > After > $ echo -n 4-1.2 >/sys/bus/usb/drivers/usb/unbind > $ echo -n 4-1.2 >/sys/bus/usb/drivers/usb/bind > > I have this in logs: > > sysfs: duplicate filename 'usbdev4.12_ep81' can not be created Does this also show up in 2.6.25-rc8 without -mm? I thought I fixed this already, I don't see what slipped into -mm that would have caused it to come back. Time to run some more tests... Oh, also note that binding and unbinding the main "usb" driver is not encouraged, or even supported. I'm amazed it works, as this is not something that any "real" user would do as it makes no sense at all because we have no "alternative" drivers yet for the main USB device. thanks, greg k-h