On 09/23/15 10:04, Igor Mammedov wrote: > 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?
http://lists.nongnu.org/archive/html/qemu-devel/2015-09/msg05778.html