boy, would I love to know if you found out the solution to that!!! did you?
I have the TL422G also! cant seem to get it to work in backtrack 4 final within virtualbox environment... only works in ubuntu 10.04 LTS ;/
I am however getting the same problem with mon0 being on channel -1...
do you know how to work arround it? I am relatively new to linux, so please be gentle
P.S. I am Lithuanian we share a country border