From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934437AbYEBQxW (ORCPT ); Fri, 2 May 2008 12:53:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762378AbYEBQxM (ORCPT ); Fri, 2 May 2008 12:53:12 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:57626 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759369AbYEBQxL (ORCPT ); Fri, 2 May 2008 12:53:11 -0400 Date: Fri, 2 May 2008 09:14:47 -0700 From: Greg KH To: Gene Heskett Cc: LKML Subject: Re: 2.6.25.1, stray noise in dmesg Message-ID: <20080502161447.GB6852@kroah.com> References: <200805021126.15225.gene.heskett@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200805021126.15225.gene.heskett@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, May 02, 2008 at 11:26:15AM -0400, Gene Heskett wrote: > Greetings; > > I just rebooted to 2.6.25.1, and was momentarily panic'd by the messages going by early in the boot, but on putting 2&2 > together, found they were just noise. > > >From dmesg: > [root@coyote ~]# dmesg|grep unable > [ 2.093502] hub 1-0:1.0: unable to enumerate USB device on port 2 > [ 2.248475] hub 1-0:1.0: unable to enumerate USB device on port 5 > [ 2.454444] hub 1-0:1.0: unable to enumerate USB device on port 6 > And lsusb: > [root@coyote ~]# lsusb > Bus 001 Device 011: ID 04b8:010f Seiko Epson Corp. Perfection 1250 > Bus 001 Device 010: ID 046d:c510 Logitech, Inc. > Bus 001 Device 009: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC > Bus 001 Device 008: ID 0409:0059 NEC Corp. HighSpeed Hub > Bus 001 Device 007: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC > Bus 001 Device 006: ID 050d:0751 Belkin Components > Bus 001 Device 002: ID 0409:0059 NEC Corp. HighSpeed Hub > Bus 001 Device 001: ID 1d6b:0002 > Bus 003 Device 002: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub > Bus 003 Device 001: ID 1d6b:0001 > Bus 002 Device 003: ID 06a3:8021 Saitek PLC Eclipse II Keyboard > Bus 002 Device 002: ID 04b8:0005 Seiko Epson Corp. Stylus Printer > Bus 002 Device 001: ID 1d6b:0001 > > Indicating 3 empty ports, which is not correct either, but everything > that is plugged in is accounted for. However, if there is no device > there, is it supposed to tell us? In which case it should do that 2-3 > more times in dmesg. That's because your hardware is trying to enumerate a device, yet there really isn't one there at all. Blame the hardware :) This warning is new, but it's needed as we now notice if we fail to enumerate a device that might really be there. thanks, greg k-h