At 2019-09-03 10:30:54, "Wesley Peng" <weslepeng@gmail.com> wrote:
>
>
>on 2019/9/3 10:22, ´ÞºãÏã wrote:
>> 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server  raise 
>> exception.InvalidCPUInfo(reason=m % {'ret': ret, 'u': u})
>> 2019-09-03 10:00:46.518 25163 ERROR oslo_messaging.rpc.server 
>> InvalidCPUInfo: Unacceptable CPU info: CPU doesn't have compatibility.
>
>Are you implementing a live migration? It seems you have a uncompatible 
>CPU in peer host.
>

Yes, It's a live migration.
root@compute101:~# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
     24  Intel(R) Xeon(R) CPU E5-2620 v2 @ 2.10GHz

root@compute102:~# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c
     24  Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz

We can migrate the vm from compute102 to compute101 Successfully£®
compute101 to compute102 ERROR info: the CPU is incompatible with host CPU: Host CPU does not provide required features: f16c, rdrand, fsgsbase, smep, erms