jmandawg

Agesa bios update breaks IOMMU VFIO gpu passthrough virtualization

Discussion created by jmandawg on Jul 24, 2019
Latest reply on Aug 21, 2019 by gb_l_fr

Hi,

The latest Agesa update broke GPU VFIO IOMMU gpu passthrough virtualization.  It's been broken for 4 months or so and still no fix in sight.  After Agesa update we receive error: "Unknown PCI header type 127"  Can you give any ETA on this.  

 

The issue is documented here:

 

https://www.reddit.com/r/Amd/comments/bh3qqz/agesa_0072_pci_quirk/

 

https://www.reddit.com/r/VFIO/comments/c357kg/msi_x370_bios_update_breaks_gpu_passthrough/

 

https://www.reddit.com/r/VFIO/comments/c0hnmf/vfio_agesa_0072_survivor_wants_to_foolishly/

 

https://www.reddit.com/r/VFIO/comments/bvqxnt/psa_amd_agesa_1001_does_not_fix_the_pci/

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