This bug has been copied from bug #630564 and has been proposed to be backported to 4.7 z-stream (EUS).
A patch addressing this issue has been included in kernel 2.6.9-78.0.35.
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/RHBA-2010-0887.html