PCIe USB controller not available for passthrough


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Hi,

 

I just installed a new PCIe USB controller in my Proliant M350 due to needing more ports. I came from a 2 port controller to a 5 port controller.

 

I want to pass the entire controller through to a VM like I did before. At first boot it allowed me to do it, but the VM wouldnt boot. After trying again the controller has since disappeared from the available "Other PCI devices" list.

 

Where did it go, and how can I get it back? :)

 

Screenshot 2019-10-25 at 10.36.07.png

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