Re: [SeaBIOS] [PATCH] support piix PAM registers in KVM

[Avi Kivity]

On 06/15/2011 04:54 PM, Jason Krieg wrote:
> > > Maybe instead of reverting this commit one could check the seabios 
> > > version in this method
> > > and only do an update of these piix PAM registers if running with a 
> > > newer seabios version ?
> >
> > It would be better to first understand what's going wrong.
>
> I presume (just guessing) Windows wrote to F-segment modifying the ROM 
> and now gets
> confused if these PAM registers are updated.

It shouldn't, really.
> Any ideas for what I could look for ?

Try -no-tpr-opt (on both sides).