The update to the "buggy" verison was caused by the following source I had because of historical reasons:
http://ppa.launchpad.net/network-manager/trunk/ubuntu karmic main -- after last update the network manager does not connect to wireless network https://bugs.launchpad.net/bugs/527313 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