Description of problem: epel6 has: ganglia-web-3.7.0-2.el6 epel6 testing has: ganglia-web-3.7.0-1.el6 When tis kind of static version for one sub-component like here for ganglia-web is used release number must never go backwards. Please rebuild with Release: >= 3
Issue has been fixed. epel6 now has ganglia-web-3.7.1-2.