- Edit /etc/default/grub and add:
GRUB_CMDLINE_LINUX="usbcore.autosuspend=-1"
- Run
update-grub
- Edit /etc/crontab add:
@reboot root echo -n USB0 > /proc/acpi/wakeup
- Plug the USB Receiver into the lowest port under the PS/2 connector
- Reboot
I am using Ubuntu 9.10 and XBMC 9.11.
SOURCE: http://www.minimyth.org/forum/viewtopic.php?f=6&t=2524