Red Hat Bugzilla – Bug 439921
align per-cpu section to configured cache bytes
Last modified: 2009-05-18 15:21:53 EDT
Description of problem:
kernel's per_cpu() API makes RDS trigger a BUG_ON() on module insertion.
The patches are:
The above fixes are made into mainline, however not in pre-2.6.16 distros per
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
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.