I just got bit by this as well. My prism2 card was working fine in dapper using the orinoco drivers. I upgraded to edgy, and the card didn't work at all. I blacklisted prism2_pci, and now it works again.
-- [Edgy regression] Hostap driver for PRISM2 wifi card not working any more https://launchpad.net/bugs/62685 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
