Thanks, that explanation greatly clarifies the issue - not knowing much about wpasupplicant, I assumed that reverting to wireless extensions meant doing away with wpasupplicant altogether, and spoke too soon.
-- 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