Hello, the function parse_counters does not check the input string and is producing a fault if it is NULL. Thanks, Thomas -- Thomas Woerner, Software Engineer Phone: +49-711-96437-0 Red Hat GmbH Fax : +49-711-96437-111 Hauptstaetterstr. 58 Email: twoerner@redhat.com D-70178 Stuttgart Web : http://www.redhat.de/