device: 0.822
performance: 0.748
graphic: 0.502
architecture: 0.486
peripherals: 0.388
files: 0.360
mistranslation: 0.342
hypervisor: 0.342
semantic: 0.316
network: 0.305
permissions: 0.241
TCG: 0.202
vnc: 0.201
user-level: 0.198
debug: 0.195
register: 0.193
PID: 0.192
virtual: 0.184
ppc: 0.176
VMM: 0.169
arm: 0.150
boot: 0.120
x86: 0.097
kernel: 0.087
risc-v: 0.084
assembly: 0.077
KVM: 0.065
i386: 0.045
socket: 0.029

raspi3 machine can not shutdown