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

2014-02-28 Thread Nick Thomas
On 28/02/14 12:57, Paolo Bonzini wrote: > 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 k

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

2014-02-28 Thread 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 f

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

2014-02-28 Thread Nick Thomas
Hi there, We recently acquired some of the latter CPUs, and are attempting to add them to our existing cluster of AMD 6200/6300 KVM hosts. My life is made much easier if live migration between all hosts in the cluster works flawlessly, but I can reliably trigger a migration failure when moving a g