KVM: 0.984
mistranslation: 0.945
virtual: 0.922
graphic: 0.893
device: 0.853
semantic: 0.745
performance: 0.734
architecture: 0.679
arm: 0.638
hypervisor: 0.632
socket: 0.527
boot: 0.512
permissions: 0.441
debug: 0.364
register: 0.361
network: 0.334
risc-v: 0.321
peripherals: 0.272
PID: 0.260
user-level: 0.240
i386: 0.203
files: 0.184
vnc: 0.174
ppc: 0.172
TCG: 0.147
assembly: 0.128
x86: 0.074
VMM: 0.041
kernel: 0.033

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