[Bug 290997] [vmm]: Dedicated GPU - PCI passthrough not supported yet? (Variable size IVHD type 0xf0 not supported)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290997

--- Comment #13 from Corvin Köhne <corvink@FreeBSD.org> ---
(In reply to Nils Beyer from comment #12)
As mentioned earlier resizable BARs are not supported, so you should disable
them in your Host BIOS. Additionally, it would be worth trying to pass the GPU
ROM to the guest. Therefore, you have to extract it on a Linux or Windows
system, e.g. http://etherboot.org/wiki/romdumping, and then make use of the rom
parameter from passthru.

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