--- lxdm-0.4.1/pam/lxdm.old	2012-03-15 16:59:19.317097360 +0100
+++ lxdm-0.4.1/pam/lxdm	2012-03-15 16:59:46.678050567 +0100
@@ -7,3 +7,4 @@ session    include	system-auth
 session    required	pam_loginuid.so
 session    optional	pam_console.so
 session    optional	pam_gnome_keyring.so auto_start
+session    required	pam_namespace.so