The customer is requesting that the 5.4 fix from https://bugzilla.redhat.com/show_bug.cgi?id=480939 be ported to 5.3.z. “Our big users which uses Fujitsu High-End-Server PRIMEQUEST use RHEL 5.3 with high requirements. Some candidate customer found this problem. And this problem is one of the key issue to use RHEL.” Red Hat Enterprise Linux Version Number: 5 Release Number: 3 Architecture: IA64 Kernel Version: 2.6.18-128.el5