Re: [Qemu-devel] Re: [PATCH 2/3] qemu: make cirrus init value pci spec compliant

[Gleb Natapov]

On Sun, Oct 11, 2009 at 03:36:26PM +0200, Michael S. Tsirkin wrote:
> > No, I think Avi was right the first time.
> > 
> > Migrating from an older qemu will be fine at first, but at the next
> > reset _following_ migration, it'll be running the old BIOS on a new
> > qemu and fail.
> > 
> > -- Jamie
> 
> So after discussion with Gleb, it seems that what will happen
> after migration to new qemu, old BIOS is shadowed, but memory
> is already enabled.  After reset, new BIOS will be shadowed
> and it will enable memory. Makes sense?
> 
I don't see how you made this conclusion after the discussion.
What should happen is after migration old bios should be used until reboot.
After reboot new bios should be used. What really happens today I don't
know.

--
                        Gleb.