Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764692AbXFSS71 (ORCPT ); Tue, 19 Jun 2007 14:59:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757633AbXFSS7M (ORCPT ); Tue, 19 Jun 2007 14:59:12 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:33924 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1763576AbXFSS7K (ORCPT ); Tue, 19 Jun 2007 14:59:10 -0400 Date: Tue, 19 Jun 2007 14:59:08 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: "Renato S. Yamane" , Jiri Kosina cc: Kernel development list , USB development list Subject: Re: [linux-usb-devel] Error -71 on device descriptor read/all In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3817 Lines: 94 On Tue, 19 Jun 2007, Jiri Kosina wrote: > [ OK, it probably seems like a faulty hardware (controller or the device > itself), which is not able to run at high speed, but runs nicely on full > speed. Do you have a chance to try another high speed device in this > machine to check whether it works? > > Adding linux-usb-devel into CC , just in case, and leaving the full > original message below ] > > On Tue, 19 Jun 2007, Renato S. Yamane wrote: > > > 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 Does the mouse work correctly, even with ehci-hcd loaded? If it does then don't worry about the -71 error. It appears to be transient and it's not necessarily fatal. 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/