[libvirt-users] Failed to reboot VM via virsh

Hi, Eric: I want to reboot vm using libvirt reboot api virDomainReboot(). but it occured error like following: "error: Failed to reboot domain abc" "error: Requested operation is not valid: Reboot is not supported without the JSON monitor". I updated qemu version,such as "qemu-kvm-1.2.0", it still like that. can you give me any ideas? my libvirt version: 0.9.8. thanks. xuanmao_001