* William Dauchy (will...@gandi.net) wrote: > On Dec11 14:34, Dr. David Alan Gilbert wrote: > > > I dont get your last statement; > > > my common use case is to live migrate an old userland to a new one > > > (so 2.1 to 2.2 here); so if I guarantee same HW, it should work, right? > > > > I wouldn't trust -host cpu to be the same on the same HW between > > different QEMUs, especially on newer hardware than your older QEMU new > > about. > > understood. > What are your recommendations then? Using kvm64 proc?
I'd recommend doing -cpu help on your oldest qemu and pick the CPU that's as new as possible but not newer than your oldest hardware. Dave > > Thanks for your feedback, > -- > William -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK