USB worked fine in 2.6.15-25-386 but no longer int 2.6.15-26-386 and edgy 2.6.17-7-386. "rmmod ehci_hcd" does allow USB devices to work at 1.1 speeds. This appears to be a duplicate of bug #24925 -- USB device not accepting address: error -110 https://launchpad.net/bugs/54273