KVM: 0.984
graphic: 0.893
device: 0.853
other: 0.798
semantic: 0.745
performance: 0.734
socket: 0.527
boot: 0.512
permissions: 0.441
debug: 0.364
network: 0.334
PID: 0.260
files: 0.184
vnc: 0.174

solaris can't power off

I have created solaris 10 VM on KVM. Everything in VM is running OK, but finally I use shell command ‘poweroff’ or ‘init 5’, the solaris VM system could’t be poweroff but with promoting me the message: perss any key to reboot ….. 

but on Xen, solaris can be powerofff