Since I don't have the original email to reply-to, here is a link:
https://www.redhat.com/archives/libvirt-cim/2012-December/msg00027.html
ACK
Although the 3 of these could be "one patch" realistically since they
fix the same problem. I know there are a lot of calls to CU_DEBUG,
perhaps it'd be best to go through all of them to make sure there are no
other similar issues lurking.
John