Further investigated this issue and reported my findings and possible fixes to upstream. https://bugzilla.redhat.com/show_bug.cgi?id=803087
Applying the patch https://bugzilla.redhat.com/attachment.cgi?id=569802 would fix this problem for virt-manager as reported in this bug entry. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/953922 Title: When cloning a VM with qcow2 disk, the cloned VM will have its disk defined as raw format in its config To manage notifications about this bug go to: https://bugs.launchpad.net/virt-manager/+bug/953922/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs