Comment 30 for bug 770232

# Provisional and instant workaround for Ubuntu 11.04 (Natty):

sudo modprobe -rf rt2870sta rt2800usb rt2800lib rt2x00usb rt2x00lib
sudo modprobe rt2870sta

# To make it permanent, add the following lines to /etc/modprobe.d/blacklist.conf
blacklist rt2800usb
blacklist rt2800lib
blacklist rt2x00usb
blacklist rt2x00lib