Re: [Qemu-devel] AMD Opteron 6276 to Intel Xeon E5645 live migration failure

[Paolo Bonzini]

Il 28/02/2014 13:16, Nick Thomas ha scritto:
> I'd love to get this working, but I'm a little ignorant on where to
> begin, or even if it's possible at all. Are these CPUs just too old, or
> is a fixup missing in qemu (or kvm)?

It's the latter (in kvm).  Note that for migration to work, especially 
for such different models, you have to disable CPU features that aren't 
present in both models.  In general the way to do this is to add "-cpu".

I'd start debugging with "-cpu kvm64" on both sides.

Paolo