There's a typo in the error raising code (there's a fix committed for that https://bugs.launchpad.net/nova/+bug/1076308), looking at the stack trace you'll probably find that the actual exception is "InvalidCPUInfo: Unacceptable CPU info: CPU doesn't have compatibility."
There's a typo in the error raising code (there's a fix committed for that https:/ /bugs.launchpad .net/nova/ +bug/1076308), looking at the stack trace you'll probably find that the actual exception is "InvalidCPUInfo: Unacceptable CPU info: CPU doesn't have compatibility."