spice is not supported by this qemu build.(ubuntu 12.04) $ kvm -spice port=5900,addr=127.0.0.1,disable-ticketing kvm: -spice port=5900,addr=127.0.0.1,disable-ticketing: there is no option group "spice" spice is not supported by this qemu build. $ kvm -version QEMU emulator version 1.0 (qemu-kvm-1.0), Copyright (c) 2003-2008 Fabrice Bellard