Re: [Qemu-devel] [PATCH v2 0/4] acpi: xsdt support

[Michael S. Tsirkin]

On Tue, Jun 09, 2015 at 08:35:38AM +0200, Michael S. Tsirkin wrote:
> On Tue, Jun 09, 2015 at 02:02:31AM -0400, Paolo Bonzini wrote:
> > I would just patch OVMF to ignore the RSDT if there is an XSDT.
> > 
> > Alternatively, can you check for ACPI 2.0 support via _OSI, and load the 
> > ACPI 2.0 bits via LoadTable? Hopefully XP does not BSOD if the invalid (for 
> > ACPI 1.0) opcodes are in a Then block or in a separate method... Then you 
> > can use just an RSDT.
> > 
> > Paolo
> 
> 
> It does BSOD.
> Skipping RSDT sounds good.

Thought a full fix would be nicer - I suspect we'll have more things like this
in the future.