It is possible/likely this bug is a dup of https://bugs.launchpad.net/bugs/348275 . The fix described there is to install linux-backports-modules-jaunty-generic from backports, it has a new iwlagn module which fixed WPA2 auth for me and at least a few others so far.
-- [jaunty] Intel WiFi Link 5100/iwlagn cannot connect to WPA2 https://bugs.launchpad.net/bugs/350370 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs