[ 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 > > Best regards, > Renato > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Jiri Kosina ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel