Description of problem: kernel's per_cpu() API makes RDS trigger a BUG_ON() on module insertion. The patches are: http://lkml.org/lkml/2006/1/27/256 http://lkml.org/lkml/2006/1/27/255 The above fixes are made into mainline, however not in pre-2.6.16 distros per Zach.
Created attachment 299792 [details] Align the start of the per-cpu section
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
Created attachment 306356 [details] a simple testcase I can reproduce the crash with this trivial kernel module. The proposed patch fixes it. I've only tested i386 so far.
Tested successfully on x86_64 too.
Updating PM score.
Committed in 78.9.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/
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-2009-1024.html