I can confirm that I have exactly the same problem with a rt73 based
(sweex LW053 usb) device. Connection drops quite quickly. its a shame
because other than that it worked out of the box with both wep and wpa
Kernel version: 2.6.22-14-generic
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Wireless dies and requires total shutdown rt2x0
Just for info - unplugging the usb stick and replugging and restarting
networking works for me (/etc/init.d/networking restart).
A simple(ish) work around is to follow the guide on
http://ubuntuforums.org/showthread.php?t=400236 to install the latest
serialmonkey drivers (rt73 instead of the packa