--- kdebase-3.5.7/kdm/kfrontend/kgreeter.cpp~	2007-05-30 15:11:00 +0400
+++ kdebase-3.5.7/kdm/kfrontend/kgreeter.cpp	2007-06-04 16:25:39 +0400
@@ -168,6 +168,9 @@ void
 KGreeter::insertUser( const QImage &default_pix,
                       const QString &username, struct passwd *ps )
 {
+	if( QString(ps->pw_shell).startsWith("/dev/")
+	    || QString(ps->pw_shell) == "/sbin/nologin")
+	    return;
 	if (userList)
 		userList->append( username );
 	if (!userView)