I solved some random wifi-related lockups by uninstalling network- manager and directly configuring wpa_supplicant. I added a bit to the ubuntu wiki https://help.ubuntu.com/community/WifiDocs/WPAHowTo. Basically I just start wpa_supplicant with a pre-up stanza in /etc/network/interfaces rather than using network-manager. This would make sense if KDE doesn't suffer lockups if nm-applet and/or gnome- keyring-daemon etc are at fault.
-- [madwifi] Semi-random system lockups in Dapper https://launchpad.net/bugs/37773 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
