On Tue, 22 Sep 2015 17:16:24 -0300 Eduardo Habkost <ehabk...@redhat.com> wrote:
> In 2012, QEMU had a bug where it exposed QEMU version information > to the guest, meaning a QEMU upgrade would expose different > hardware to the guest OS even if the same machine-type is being > used. > > The bug was fixed by commit 93bfef4c6e4b23caea9d51e1099d06433d8835a4, > on all machines up to pc-1.0. But we kept introducing the same > bug on all newer machines since then. That means we are breaking > guest ABI every time QEMU was upgraded. > > Fix this by setting the hw_version on all PC machines, making > sure the hardware won't change when upgrading QEMU. > > This series is based on Michael's PCI tree, plus the "Set > broken_reserved_end on pc-*-2.4, not 2.5" patch I submitted > earlier today. I haven't seen this patch on list, perhaps it needs to be resubmitted?