A patch addressing this issue has been included in kernel 2.6.9-89.34.1.EL.
Reproduced in 2.6.9-89.33.EL and -89.34.EL. Verified in 2.6.9-89.34.1.EL.
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-2011-0162.html