I can confirm this bug on gutsy with ipw2200. The connection stays up for a little while, then the message:
NetworkManager: <info> SWITCH: terminating current connection 'ath0' because it's no longer valid. appears in the log, and the connection is dropped. -- Knetworkmanager loose wireless connection, Networkmanager crashing https://bugs.launchpad.net/bugs/159949 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs