Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751914Ab0DFO76 (ORCPT ); Tue, 6 Apr 2010 10:59:58 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:53961 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750708Ab0DFO7w (ORCPT ); Tue, 6 Apr 2010 10:59:52 -0400 Date: Tue, 6 Apr 2010 10:59:50 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Justin Piszcz cc: linux-kernel@vger.kernel.org, Subject: Re: 2.6.33.2: USB Quickcam Pro 9000 (usb resets)? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1534 Lines: 36 On Tue, 6 Apr 2010, Justin Piszcz wrote: > So the USB hub is shared amongst the ports in the back of the board that > I am using: > > Port 1-> keyboard/mouse > Port 2-> USB hub -> webcam > Port 3-> UPS (but not using nut at the moment, just hooked up) > > $ lsusb > Bus 001 Device 023: ID 0461:4d15 Primax Electronics, Ltd Dell Optical Mouse > Bus 001 Device 022: ID 413c:2002 Dell Computer Corp. SK-8125 Keyboard > Bus 001 Device 005: ID 046d:0990 Logitech, Inc. QuickCam Pro 9000 > Bus 001 Device 004: ID 413c:1002 Dell Computer Corp. Keyboard Hub > Bus 001 Device 003: ID 2001:f103 D-Link Corp. [hex] DUB-H7 7-port USB 2.0 hub > Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 003: ID 051d:0002 American Power Conversion Uninterruptible Power Supply > Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Any recommendations/workarounds how to fix or just ignore it? You could plug the webcam into bus 2 while leaving the keyboard/mouse attached to bus 1. You could try using different ports on the D-Link 7-port hub, or try replacing that hub with a different brand. Alan Stern -- 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/