From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759731AbXFSPk7 (ORCPT ); Tue, 19 Jun 2007 11:40:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756562AbXFSPkw (ORCPT ); Tue, 19 Jun 2007 11:40:52 -0400 Received: from smtp-01b.mandic.com.br ([200.225.81.136]:42775 "EHLO smtp-01.mandic.com.br" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757108AbXFSPkv (ORCPT ); Tue, 19 Jun 2007 11:40:51 -0400 Message-ID: <4677F820.5020207@mandic.com.br> Date: Tue, 19 Jun 2007 12:37:04 -0300 From: "Renato S. Yamane" User-Agent: Thunderbird 2.0.0.4 (X11/20070604) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: Jiri Kosina Subject: Re: Error -71 on device descriptor read/all References: <4677EBF8.5020104@mandic.com.br> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jiri Kosina wrote: > On Tue, 19 Jun 2007, Renato S. Yamane wrote: >> I see this in dmesg: >> usb 1-1: device descriptor read/all, error -71 > > Is this a USB 2.0 high-speed device? lspci -v | grep 1d.7 00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04) (prog-if 20 [EHCI]) My machine is a Laptop Toshiba M45-S355 > Don't you for example have USB > extension cable too long to work on-high speed? My only USB device is a mouse (Microsoft Notebook Optical Mouse) without extension cable (I use original cable, with less than 3 feets). > I guess the situation improves when you force USB 1.1 (i.e. rmmod > ehci_hcd), right? #rmmode ehci_hcd #tail /var/log/messages kernel: ehci_hcd 0000:00:1d.7: remove, state 4 kernel: usb usb5: USB disconnect, address 1 kernel: ehci_hcd 0000:00:1d.7: USB bus 5 deregistered kernel: ACPI: PCI interrupt for device 0000:00:1d.7 disabled I don't see any error (-71). #modprobe ehci_hcd #tail /var/log/messages kernel: ACPI: PCI Interrupt 0000:00:1d.7[A] -> Link [LNKH] -> GSI 10 (level, low) -> IRQ 10 kernel: ehci_hcd 0000:00:1d.7: EHCI Host Controller kernel: ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5 kernel: ehci_hcd 0000:00:1d.7: debug port 1 kernel: ehci_hcd 0000:00:1d.7: irq 10, io mem 0xf4000000 kernel: ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 kernel: usb usb5: configuration #1 chosen from 1 choice kernel: hub 5-0:1.0: USB hub found kernel: hub 5-0:1.0: 8 ports detected kernel: usb 1-1: USB disconnect, address 4 kernel: usb 1-1: new low speed USB device using uhci_hcd and address 5 kernel: usb 1-1: configuration #1 chosen from 1 choice kernel: input: Microsoft Microsoft 3-Button Mouse with IntelliEye? as /class/input/input8 kernel: input: USB HID v1.00 Mouse [Microsoft Microsoft 3-Button Mouse with IntelliEye?] on usb-0000:00:1d.0-1 This error is present only in dmesg, see below (line 8): PCI: Setting latency timer of device 0000:00:1d.7 to 64 ehci_hcd 0000:00:1d.7: EHCI Host Controller ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 5 ehci_hcd 0000:00:1d.7: debug port 1 PCI: cache line size of 32 is not supported by device 0000:00:1d.7 ehci_hcd 0000:00:1d.7: irq 10, io mem 0xf4000000 ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb 1-1: device descriptor read/all, error -71 usb usb5: configuration #1 chosen from 1 choice hub 5-0:1.0: USB hub found hub 5-0:1.0: 8 ports detected Clocksource tsc unstable (delta = -194969704 ns) ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 6 PCI: setting IRQ 6 as level-triggered Best regards, Renato