what about update to 6.5 which brings it already back

why do you not keep your system up-to-date at all? ECHDE with CentOS 6.5 works fine and is one of the 6.5 features

I already noticed it: https://twitter.com/reaperhulk/status/407384786114596864

So only needed thing is recompile ec enabled packages (like httpd) for centos?

-- Eero