Passing Multiple GPU's to a VM


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Hi All,

 

I'm trying to pass 3 GPU's through to one VM, but can only pass 2 (any combination - 1,2...2,3...1,3). As soon as I choose three VNC displays "Guest has not initiated the display (yet)". 

This is the same for SeaBIOS and OVMF - and happens regardless of the OS  (windows/Linux). 

 

All cards are in their own groups, and all bios settings for virtualization are configured. PCIe ACS Override is enabled as well. 

 

Is there anything I might be missing? 

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