Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932503AbXATACp (ORCPT ); Fri, 19 Jan 2007 19:02:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932870AbXATACp (ORCPT ); Fri, 19 Jan 2007 19:02:45 -0500 Received: from cantor2.suse.de ([195.135.220.15]:43608 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932503AbXATACo (ORCPT ); Fri, 19 Jan 2007 19:02:44 -0500 Date: Fri, 19 Jan 2007 16:01:58 -0800 From: Greg KH To: Udo van den Heuvel Cc: linux-kernel@vger.kernel.org Subject: Re: USB extension (repeater) cable Message-ID: <20070120000158.GD12615@kroah.com> References: <45B0E672.4080404@xs4all.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45B0E672.4080404@xs4all.nl> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1565 Lines: 40 On Fri, Jan 19, 2007 at 04:40:34PM +0100, Udo van den Heuvel wrote: > Hello, > > I just tried my shiny new usb extension cable (repeater): > > Jan 19 16:01:17 epia kernel: usb 5-1: new high speed USB device using > ehci_hcd and address 60 > Jan 19 16:01:17 epia kernel: usb 5-1: configuration #1 chosen from 1 choice > Jan 19 16:01:17 epia kernel: hub 5-1:1.0: USB hub found > Jan 19 16:01:17 epia kernel: hub 5-1:1.0: 4 ports detected > Jan 19 16:01:18 epia kernel: hub 5-1:1.0: Cannot enable port 1. Maybe > the USB cable is bad? > Jan 19 16:01:22 epia last message repeated 3 times > Jan 19 16:01:23 epia kernel: hub 5-1:1.0: Cannot enable port 2. Maybe > the USB cable is bad? > Jan 19 16:01:26 epia last message repeated 3 times > Jan 19 16:01:27 epia kernel: hub 5-1:1.0: Cannot enable port 3. Maybe > the USB cable is bad? > Jan 19 16:01:31 epia last message repeated 3 times > > The second cable does the same. > Of course we have just one port on this hub... > Any ideas? Perhaps the kernel is not lying and this cable really is bad? :) Your hardware can not handle this device, there really is nothing that the kernel can do about this. USB extension cables are horrible things, and usually violate the USB spec and do not always work, as you are finding out. Sorry about that. good luck, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/