Re: [Qemu-devel] [RESEND PATCH v2] pciinit: Enable default VGA device

[Alex Williamson <alex.williamson@redhat.com>]

On Wed, 2013-03-20 at 08:17 +0100, Gerd Hoffmann wrote:
>   Hi,
> 
> > Turns out it's this:
> > 
> > commit 76e58028d28e78431f9de3cee0b3c88d807fa39d
> > Author: Kevin O'Connor <kevin@koconnor.net>
> > Date:   Wed Mar 6 21:50:09 2013 -0500
> > 
> >     acpi: Eliminate BDAT parameter passing to DSDT code.
> >     
> >     The "BDAT" construct is the only ACPI mechanism that relies on SeaBIOS
> >     reserved memory.  Replace it with the SSDT based template system.
> >     
> >     Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
> 
> That is most likely dsdt + bios.bin not being in sync.  Simply using
> 'qemu -bios /path/to/seabios/out/bios.bin' doesn't fly due to qemu using
> a non-matching dsdt then.
> 
> With qemu/master you can just use 'qemu -L /path/to/seabios/out' instead
> and qemu will pick up both bios.bin and dsdt from the fresh seabios
> build directory then (and anything else it doesn't find there from the
> default locations).

Thanks, yes that's it.  QEMU only seems to look in the -L path or the
current directory for the missing files, so it's a bit messy but works.
I'll just go ahead and roll a v3 of the VGA patch that converts to wmask
since I'm muddied the waters on v2 here.  Thanks,

Alex