I had the wpasupplicant from Trevino's repos installed, and after downgrading to 0.5.4-5, WEP encryption now works. Trevino's repos had version 0.5.7+3v1ubuntu5 (http://3v1n0.tuxfamily.org/dists/edgy/3v1n0/index.html). Perhaps some update between those two caused this?
-- Some drivers do not work with wpasupplicant, and therefore NM. https://launchpad.net/bugs/48473 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs