On 21/01/19 18:36, Stefano Garzarella wrote: >> >> | On Tue, Jan 15, 2019 at 01:57:22PM -0500, Michael S. Tsirkin wrote: >> | > OK but this is guest visible so needs to be guarded by the >> | > new machine type. >> | >> | Aren't option ROMs treated like other firmware? i.e.: guest >> | visible, but copied during live migration and not considered part >> | of guest ABI. > I don't know the exact answer, but reading the wiki, I think Michael is right! > (https://wiki.qemu.org/Features/Migration/Troubleshooting#ROMs) > > Maybe it is related for PVH feature in general, because if we try to > migrate to a QEMU version that doesn't support PVH I'm not sure what is > the behaviour.
As far as I understand, QEMU would fail to migrate to the destination because the PVH option ROM doesn't have a corresponding RAMBlock. Paolo
