Comment 4 for bug 297077

OK

I found a solution as the package in the backports is broken (problem with python). You have to backport xen-3.3 on your own as according to this doc:

http://bderzhavets.wordpress.com/2008/11/03/attempt-of-prevu-xen-33-hypervisor-at-ubuntu-hardy-dom0-2624-21-xen/