Just delete the entries for wlan0 from /etc/network/interfaces and things should work properly. We'll still need to look again at the alternate installer to double-check why it doesn't remove these though.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/929969 Title: Atheros Wireless "device not managed" on 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/929969/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
