This bug has been copied from bug #519771 and has been proposed to be backported to 5.4 z-stream (EUS).
in kernel-2.6.18-164.2.1.el5
FYI. Tested the -164.2.1 kernel as kvm guest. The problem in https://bugzilla.redhat.com/show_bug.cgi?id=476075#c9 is gone.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2009-1455.html