Rats and Nuts.... My issue was on AIX, as far as I know there's no connection to ASM.... Martin Klier schrieb: > Hi Jiang, > > had a similar issue with PSU 5 on ASM: > > http://www.usn-it.de/index.php/2013/02/08/oracle-grid-infrastructure-11-2-0-3-5-psu-on-aix-gipchalowerrecv-invalid-message-header-hdr/ > > Regards > Martin -- Usn's IT Blog for Oracle and Linux http://www.usn-it.de -- Usn's IT Blog for Oracle and Linux http://www.usn-it.de -- //www.freelists.org/webpage/oracle-l