On Tue, Apr 01, 2014 at 04:21:24AM -0400, marco lin wrote:

Exit message: unsupported configuration: spice graphics are not supported with this QEMU.

Could you provide more information about your platform, the version of qemu-kvm, libvirt and spice-server? The relevant chunk of /var/log/libvirt/libvirtd.log might prove useful.