Hi Manuel, i just switched from qemu-kvm 1.2.0 to qemu 1.3.0 and got the same issue. You just have to set the parameter -enable-kvm to set -cpu host. greets Stefan Ahrens -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html