On Wed, Nov 19, 2014 at 02:44:32PM +0100, Paolo Bonzini wrote: > So: > > qemu-2.0 -M pc-2.0 -> qemu-2.2 -M pc-2.0 > > uses 2.0 BIOS > > qemu-2.2 -M pc-2.0 -> qemu-2.0 -M pc-2.0 > > uses 2.2 BIOS > > Both should work, in general. BIOS is rarely the reason for > incompatibilities. However, breakage can happen, for example I know > that RHEL7 SeaBIOS does not work on RHEL6. RHEL6 SeaBIOS works on > RHEL7, but it needs a couple workarounds.
Do you know why that is? We do try to make SeaBIOS backwards compatible with older versions of QEMU. -Kevin
