My test case was flawed....I was creating the QCOW to the same file name with out removing the previous file. I've confirmed that setting the compat to 0.10 works.
** Changed in: qemu (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1282655 Title: qcow2 images are not backwards compatiable with 12.04's qcow2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1282655/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs