I'm having the same issue here on a Thinkpad T40 and the Feisty Beta (2.6.20-12-generic). For now, I've put "modprobe -r ehci_hcd" in /etc/rc.local.
-- USB devices are not recognized when having ehci_hcd modprobed https://launchpad.net/bugs/88746 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
