diff -up kdebase-workspace-4.3.80/kdm/backend/client.c.append kdebase-workspace-4.3.80/kdm/backend/client.c
--- kdebase-workspace-4.3.80/kdm/backend/client.c.append	2009-11-02 06:01:32.000000000 -0600
+++ kdebase-workspace-4.3.80/kdm/backend/client.c	2009-12-11 13:16:49.047992973 -0600
@@ -1182,7 +1182,7 @@ createClientLog( const char *log )
 		if (!(lname = expandMacros( log, macros )))
 			exit( 1 );
 		unlink( lname );
-		if ((lfd = open( lname, O_WRONLY|O_CREAT|O_EXCL, 0600 )) >= 0) {
+		if ((lfd = open( lname, O_WRONLY|O_CREAT|O_EXCL|O_APPEND, 0600 )) >= 0) {
 			dup2( lfd, 1 );
 			dup2( lfd, 2 );
 			close( lfd );