Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754922AbYAWWSU (ORCPT ); Wed, 23 Jan 2008 17:18:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751900AbYAWWSK (ORCPT ); Wed, 23 Jan 2008 17:18:10 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:33842 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751085AbYAWWSJ (ORCPT ); Wed, 23 Jan 2008 17:18:09 -0500 Date: Wed, 23 Jan 2008 17:18:07 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Otavio Salvador , Andrew Morton cc: Kernel development list , USB list Subject: Re: USB looks to be restarting In-Reply-To: <20080123140330.1ca429c9.akpm@linux-foundation.org> 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: 4367 Lines: 62 On Wed, 23 Jan 2008, Andrew Morton wrote: > (cc linux-usb) > > > On Tue, 15 Jan 2008 13:40:38 -0200 Otavio Salvador wrote: > > Hello, > > > > I have the following in my syslog: > > > > Jan 15 13:30:38 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 5 > > Jan 15 13:30:38 neumann kernel: usb 5-2: new low speed USB device using uhci_hcd and address 14 > > Jan 15 13:30:39 neumann kernel: usb 5-2: configuration #1 chosen from 1 choice > > Jan 15 13:30:39 neumann kernel: input: PS/2+USB Mouse as /class/input/input6 > > Jan 15 13:30:39 neumann kernel: input,hidraw2: USB HID v1.11 Mouse [PS/2+USB Mouse] on usb-0000:00:1d.1-2 > > Jan 15 13:30:39 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 6 > > Jan 15 13:30:40 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 9 > > Jan 15 13:30:40 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 10 > > Jan 15 13:30:42 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 13 > > Jan 15 13:30:44 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 20 > > Jan 15 13:30:44 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 21 > > Jan 15 13:30:45 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 23 > > Jan 15 13:30:46 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 26 > > Jan 15 13:30:46 neumann kernel: usb 1-2: device descriptor read/64, error -71 > > Jan 15 13:30:47 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 27 > > Jan 15 13:30:48 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 28 > > Jan 15 13:30:48 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 29 > > Jan 15 13:30:49 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 30 > > Jan 15 13:30:50 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 32 > > Jan 15 13:30:50 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 33 > > Jan 15 13:30:52 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 39 > > Jan 15 13:30:54 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 45 > > Jan 15 13:30:56 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 53 > > Jan 15 13:30:57 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 58 > > Jan 15 13:31:00 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 68 > > Jan 15 13:31:02 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 75 > > Jan 15 13:31:02 neumann kernel: usb 1-2: device descriptor read/64, error -71 > > Jan 15 13:31:04 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 83 > > Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71 > > Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71 > > Jan 15 13:31:05 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 84 > > Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71 > > Jan 15 13:31:05 neumann kernel: usb 1-2: device descriptor read/64, error -71 > > Jan 15 13:31:06 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 85 > > Jan 15 13:31:06 neumann kernel: usb 1-2: device not accepting address 85, error -71 > > Jan 15 13:31:06 neumann kernel: usb 1-2: new full speed USB device using uhci_hcd and address 86 > > Jan 15 13:31:06 neumann kernel: usb 1-2: device not accepting address 86, error -71 > > > > This happens with 2.6.23 and 2.6.24-rc7 kernels. (didn't test it with > > previous release since this motherboard isn't well supported by them). > > > > Does someone has any idea how to solve it? Unplug the device attached to port 2 of bus 1. Apparently it is spontaneously disconnecting and reconnecting itself over and over. 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/