On Mon, Jan 13, 2020 at 06:45:21PM +0100, Olaf Hering wrote: > With commit 7fccf2a06890e3bc3b30e29827ad3fb93fe88fea a new member > smbus_no_migration_support was added, and enabled in two places. > With commit 4ab2f2a8aabfea95cc53c64e13b3f67960b27fdf the vmstate_acpi > got new elements, which are conditionally filled. As a result, an > incoming migration expected smbus related data unless smbus migration > was disabled for a given MachineClass. > > Since commit 7fccf2a06890e3bc3b30e29827ad3fb93fe88fea forgot to handle > xenpv, live migration to receiving hosts using qemu-4.0 and later is broken. > Therefore this patch must be applied to stable-4.x as well. > > Signed-off-by: Olaf Hering <o...@aepfle.de>
Thanks! I think you need to copy Xen maintainers to ack this. Suggest reposting with a fixed commit message and cc appropriate maintainers. > --- > hw/i386/pc_piix.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c > index fa12203079..e19716d0d3 100644 > --- a/hw/i386/pc_piix.c > +++ b/hw/i386/pc_piix.c > @@ -952,6 +952,7 @@ static void xenfv_machine_options(MachineClass *m) > m->desc = "Xen Fully-virtualized PC"; > m->max_cpus = HVM_MAX_VCPUS; > m->default_machine_opts = "accel=xen"; > + m->smbus_no_migration_support = true; > } > > DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,