On Tue, Aug 25, 2015 at 12:16:04PM -0400, John Snow wrote: > > > On 08/25/2015 05:42 AM, Michael S. Tsirkin wrote: > > On Wed, Aug 19, 2015 at 09:30:20AM -0700, Eduardo Habkost wrote: > >> On Wed, Aug 19, 2015 at 10:55:26AM +0100, Dr. David Alan Gilbert wrote: > >>> * Eduardo Habkost (ehabk...@redhat.com) wrote: > >>>> Migration with q35 was not possible before commit > >>>> 04329029a8c539eb5f75dcb6d8b016f0c53a031a, because q35 unconditionally > >>>> creates > >>>> an ich9-ahci device, that was marked as unmigratable. So all q35 machines > >>>> before pc-q35-2.4 were unmigratable, and there's no point in keeping > >>>> compatibility code for them. > >>>> > >>>> Remove all old pc-q35 machine classes and keep only pc-q35-2.4. > >>> > >>> But doesn't that mean that anyone who has a machine configured with one > >>> of those machine types will suddenly find it wont start? > >> > >> Yes, and they will have to update their configuration to use pc-q35-2.4 > >> or newer. > > > > That seems easily avoidable: just make pc-q35-X alias pc-q35-2.4 for X < > > 2.4. > > > > Both Marcel and Markus would prefer it to fail outright instead of > silently perform magic, in response to my suggesting the same thing.
I think it's result of a misunderstanding - let's discuss some more. > >> -- > >> Eduardo
