graphic: 0.867
device: 0.822
semantic: 0.643
network: 0.632
vnc: 0.594
performance: 0.506
PID: 0.375
debug: 0.333
socket: 0.294
files: 0.223
other: 0.184
boot: 0.118
permissions: 0.105
KVM: 0.003

qemu-system-x86_64  run win7 qcow2 got an exception
Description of problem:
when qemu-system-X86-64 run the win7 qcow2,  qemu got an exception

\*\* ERROR:../target/i386/tcg/sysemu/excp_helper.c:517:raise_stage2: code should not be reached Aborted (核心已转储)