[vfio-users] QEMU / KVM VFIO ("no signal" message)

[Alex Williamson]

On Tue, Nov 3, 2015 at 11:52 AM, Leonardo Caldas <leonardo.caldas at xleox.org>
wrote:

> 2015-11-03 15:33 GMT-03:00 Alex Williamson <alex.l.williamson at gmail.com>:
>
>> Have you tested whether the GPU supports UEFI?
>> http://vfio.blogspot.com/2014/08/does-my-graphics-card-rom-support-efi.html
>>
>
>
> ./rom-parser GTX680.rom
> Valid ROM signature found @0h, PCIR offset 190h
>         PCIR: type 0 (x86 PC-AT), vendor: 10de, device: 1180, class: 030000
>         PCIR: revision 0, vendor revision: 1
>         Last image
>
> In fact I never made this test.. And as the page states, it was supposed
> to output twoo headers... I've got only one.
> It means that my GPU has no UEFI support', isn't it?
>
> Could you please suggest me which method I may use, considering this lack
> of support?
>

Contact the GPU vendor for an update supporting UEFI or look through the
ROM database on techpowerup and see if you can find one.  It's worth
spending the time to make the card work with UEFI vs dealing with all the
problems of VGA arbitration.
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