[Libvirt-cim] Failed to create a KVM guest with real image

Hi, I try to create a domain with real image in VT machine with RedHat 5 host system, but report error with following: virsh # start kvm libvir: QEMU error : internal error QEMU quit during console startup error: Failed to start domain kvm Here is the xml config. <domain type="kvm"><name>kvm</name><uuid>66cd875c-62ab-11dd-b113-0011259da336</uuid><os><type>hvm</type></os><memory>131072</memory><vcpu>1</vcpu><on_poweroff>destroy</on_poweroff><on_reboot>restart</on_reboot><on_crash>destroy</on_crash><devices><emulator>/usr/bin/qemu</emulator><disk device="disk" type="file"><source file="/var/lib/xen/images/sles10.img"/><target dev="hda"/></disk><interface type="network"><mac address="11:22:33:aa:bb:cc"/><source network="default"/></interface></devices></domain> Who knows why this fails for me? Thanks! Best, Regards Daisy (运国莲) VSM Team, China Systems & Technology Labs (CSTL) E-mail: yunguol(a)cn.ibm.com TEL: (86)-21-60922403 Building 10, 399 Ke Yuan Rd, Pudong Shanghai, 201203