USB Problem of VirtualBox in Ubuntu 7.10

sudo mount -vt usbfs none /proc/bus/usb -o devgid=1001,devmode=664

sudo vi /etc/init.d/mountdevsubfs.sh
domount usbfs "" /dev/bus/usb/.usbfs -obusmode=0700,devmode=0600,listmode=0644,devgid=1001

UbuntuHelp:VirtualBox - Ubuntu中文