Ubuntu 11.10/gnome 3/gnome-shell
I can't change anything in system connections.
For example, I open Wired connections, go to Configure, change anything (for example checking off "Auto" checkbox), then press Save... and after this a black auth window popups and suddenly disappears not allowing me to type password!
See this demonstration I've recorded:
This is what I get in /var/log/auth.log:
Mar 30 13:32:12 alpha polkitd(authority=local): Operator of unix-session:/org/freedesktop/ConsoleKit/Session2 FAILED to authenticate to gain authorization for action org.freedesktop.NetworkManager.settings.modify.system for system-bus-name::1.60 [<unknown>] (owned by unix-user:fantomas)