it seems not so...In my F20 oVirt 3.5 All-In-One with libvirt-1.2.9.1-1.fc20.x86_64 and qemu-1.6.2-10.fc20.x86_64 I have:Situation on a C7 VM
Date Status Description
Current OK Active VM
2014-Nov-23, 12:01 OK one_after_first
2014-Nov-21, 00:54 OK test per live merge
- Trying to delete "one_after_first"
libvirtError: unsupported configuration: active commit not supported with this QEMU binary
- Trying to delete "test per live merge"
libvirtError: unsupported configuration: this qemu doesn't support relative blockpull