I can confirm this bug too : 2.6.20-11 wont work. 2.6.20-10 works just fine !
-- RT2500-based wireless G network card cannot be set or reset on 2.6.20-11 https://launchpad.net/bugs/92742 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs