我在控制台中有此消息，在格式化计算机之前没有出现此消息。
Ubuntu 18.04, Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz, cpu_cores: 4
8GB Ram, qemu-kvm x86_64.
Emulator: qemu-system-x86_64: warning: host doesn't support requested feature: CPUID.80000001H:ECX.abm [bit 5]