Just to comment on similarities with bug 62685. I am not using WPA, but the standard bulit-in WEP via Ubuntu's "Networking", and have in Dapper not (to my knowledge) blacklisted or changed anything from the default install.
-- WIFI broken in Edgy https://launchpad.net/bugs/63508 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs