> Anyway, which USB drivers are you using?  That might help us narrow this
> down a bit.

speedtouch              8932   3
hid                    39652   0 (unused)
uhci-hcd               27900   0 (unused)
usbcore                88372   2 [speedtouch hid uhci-hcd]

Anyway the problems are obviously either in the USB core or in the uhci
driver.