--- gdm-2.24.0.orig/data/gdm.conf.in	2009-02-09 13:35:31.000000000 +0100
+++ gdm-2.24.0.orig/data/gdm.conf.in	2009-02-09 13:35:18.000000000 +0100
@@ -21,6 +21,9 @@
            send_interface="org.gnome.DisplayManager.Session"/>
     <allow send_destination="org.gnome.DisplayManager"
            send_interface="org.gnome.DBus.Properties" />
+    <allow send_destination="org.gnome.DisplayManager"
+           send_interface="org.freedesktop.DBus.Introspectable"/>
+
   </policy>
 
   <policy context="default">
@@ -38,6 +41,8 @@
           send_interface="org.gnome.DisplayManager.Session"/>
     <deny send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DBus.Properties" />
+    <allow send_destination="org.gnome.DisplayManager"
+           send_interface="org.freedesktop.DBus.Introspectable"/>
 
     <allow send_destination="org.gnome.DisplayManager"
            send_interface="org.gnome.DisplayManager.Display"
@@ -79,6 +84,8 @@
            send_interface="org.gnome.DisplayManager.Settings"/>
     <allow send_destination="org.gnome.DisplayManager"
            send_interface="org.gnome.DBus.Properties" />
+    <allow send_destination="org.gnome.DisplayManager"
+           send_interface="org.freedesktop.DBus.Introspectable"/>
   </policy>
 
 </busconfig>