Re: USB regression: devices not initially recognized

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Am Samstag, 10. Oktober 2009 16:09:13 schrieb eschvoca:
> Hi,
>
> Using the Karmic beta of Ubuntu (linux-image-2.6.31-11-generic) my USB
> keyboard and blutooth dongle no longer work on bootup.  If I unplug
> them and plug them back in then it works.  I reported the bug here:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/445160
>
> which contains:
>
> """
> Hi,
>
> When booting into Karmic my Blutooth USB dongle and USB to PS2
> keyboard adapter are not recognized until I unplug them and plug them
> back in. In my dmesg (see attachment for the full version) I get error
> messages like:
>
> [ 3.028029] usb 7-1: new full speed USB device using uhci_hcd and address 2
> [ 3.148023] usb 7-1: device descriptor read/64, error -71
> [ 3.372524] usb 7-1: device descriptor read/64, error -71
> [ 3.588019] usb 7-1: new full speed USB device using uhci_hcd and address 3
> [ 3.708018] usb 7-1: device descriptor read/64, error -71
> [ 3.936027] usb 7-1: device descriptor read/64, error -71
> [ 4.153513] usb 7-1: new full speed USB device using uhci_hcd and address 4
> [ 4.564074] usb 7-1: device not accepting address 4, error -71
> [ 4.676023] usb 7-1: new full speed USB device using uhci_hcd and address 5
> [ 5.088023] usb 7-1: device not accepting address 5, error -71
> [ 5.088042] hub 7-0:1.0: unable to enumerate USB device on port 1
>
> My USB mouse and USB sound card are correctly identified on boot-up.
> Everything works fine in 9.04 so this seems like a regression.

The error suggests something low-level, but nothing specific.
Which kernel version did it work with?

	Regards
		Oliver

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