This bug has been copied from bug #362371 and has been proposed to be backported to 4.5 z-stream (EUS).
I have tested the Z-Stream kernel on a DL585 G1 using a clean RHEL 4 U5 build. Here are the results: Memory Interleaving ON in BIOS: kernel-largesmp-2.6.9-55.EL (stock U5) = FAILS kernel-largesmp-2.6.9-55.0.13.EL = Success numa=off: kernel-largesmp-2.6.9-55.EL (stock U5) = FAILS kernel-largesmp-2.6.9-55.0.13.EL = Success The patch does look to be correct. J
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 the 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-2007-1079.html