diff -Nur kdebase-3.4.3.orig/kdm/backend/xdmcp.c kdebase-3.4.3/kdm/backend/xdmcp.c
--- kdebase-3.4.3.orig/kdm/backend/xdmcp.c	2005-10-05 15:39:11.000000000 +0200
+++ kdebase-3.4.3/kdm/backend/xdmcp.c	2005-10-18 15:30:05.000000000 +0200
@@ -940,7 +940,12 @@
 			}
 			DisposeProtoDisplay( pdpy );
 			Debug( "starting display %s,%s\n", d->name, d->class2 );
-			StartDisplay( d );
+			if (LoadDisplayResources( d ) < 0) {
+				LogError( "Unable to read configuration for display %s; "
+				          "stopping it.\n", d->name );
+				StopDisplay( d );
+			} else
+				StartDisplay( d );
 			CloseGetter();
 		}
 	}