Ok, status is now 'Invalid'. There was really a bug or some other problems with Atheros-cards and network-manager but it seems that it's fixed now. I'm not sure where the bug really where, I just installed new updates yesterday and rebootet. Now network-manager works again.
-- 8.04 Hardy Heron: Networkmanager cannot connect wireless-network after suspend https://bugs.launchpad.net/bugs/208328 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