This bug has been copied from bug #809937 and has been proposed to be backported to 5.6 z-stream (EUS).
in kernel-2.6.18-238.38.1.el5 linux-2.6-net-sunrpc-don-t-use-list_for_each_entry_safe-in-rpc_wake_up.patch
Regression test was done!
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHSA-2012-0720.html