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ESXi 6.7 u3 GPU passthrough of primary GPU not … |VMware Communities

Hi,

 

I am trying to passthrough the primary GPU of my host to a VM. Passthrough is enabled and I can add it as a PCI device to the VM.

 

However, when I try to start the VM, I get an error saying that:

 

 

Failed – Module ‘DevicePowerOn’ power on failed.

 

  • Module ‘DevicePowerOn’ power on failed.
  • Failed to register the device pciPassthru1 for 129:0.0 due to unavailable hardware or software support.
  • Failed to start the virtual machine.

 

And dmesg reads

 

PCIPassthru: 2938: Can’t use virtual IOMMU with devices with dependencies sdbf=0000:81:00.0 which refers to my GPU

 

Any ideas what I could do to make this work would be much appreciated.

 

(I have tried making the GPU not the primary GPU in my host but although I select another GPU in the video configuration of my bios, it still is initialized and used as primary GPU. I can passthrough the other GPU in my host but I need that one for another VM.)


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