Reproduce this bug in qemu-kvm-0.12.1.2-2.80.el6.
Verify this bug in qemu-kvm-0.12.1.2-2.108.el6, ide/qcow2 and virtio/qcow2 do not have this issue.
Change status to verified.
Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.