With gdm.conf set with debug, this is what I get when I do sudo gdmsetup ...
Nov 27 08:41:57 paul-laptop gdm[4208]: gdm_socket_handler: Accepting new connection fd 10 Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'VERSION' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG_FILE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CUSTOM_CONFIG_FILE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG daemon/PidFile :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG gui/MaxIconHeight :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG gui/MaxIconWidth :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG greeter/MinimalUID :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG greeter/IncludeAll :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG greeter/Include :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG greeter/Exclude :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG daemon/SoundProgram :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG security/AllowRoot :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_CONFIG security/AllowRemoteRoot :0.0' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_LIST' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard ID' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard NAME' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard COMMAND' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard FLEXIBLE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard CHOOSABLE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard HANDLED' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard CHOOSER' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Standard PRIORITY' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal ID' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal NAME' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal COMMAND' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal FLEXIBLE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal CHOOSABLE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal HANDLED' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal CHOOSER' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Terminal PRIORITY' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser ID' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser NAME' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser COMMAND' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser FLEXIBLE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser CHOOSABLE' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser HANDLED' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser CHOOSER' Nov 27 08:41:57 paul-laptop gdm[4208]: Handling user message: 'GET_SERVER_DETAILS Chooser PRIORITY' ^ it hangs there. -- gdmsetup not starting on feisty fawn https://launchpad.net/bugs/71872 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs