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Re: [vfio-users] Guest does not boot OS with GPU passed through, stuck at TianoCore boot splash



On 04/13/16 12:03, Laszlo Ersek wrote:
> On 04/12/16 20:42, Stefan Seil wrote:

>> I have played around with the configuration a bit and removed the rom
>> file for the HDMI audio controller of the graphics card (previously I
>> had given it the same rom file as the one I passed to the GPU)
> 
> Aha! So that is why I saw two instances of AmdGop.efi.
> 
> (I think there may be a bug in AmdGop.efi. A UEFI_DRIVER must cope with
> the situation when the PciIo protocol interface on the device handle is
> already open by another (or the same) driver.)

By coping I mean, of course, it must gracefully abandon the idea of
binding the device.


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