GPU Passthough now not working?

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So, I had a VM setup and GPU passthough working, all using the interface, then a couple of reboots later, it was dead in the water. I would like to avoid rebuilding the VM if possible.


on the host. the device is listed here

IOMMU Group 11 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP107GL [Quadro P620] [10de:1cb6] (rev a1)

This is the only thing in that group (even though it does have HDMI audio in group 12.


lsPCI information from the host, not guest

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP107GL [Quadro P620] [10de:1cb6] (rev a1)

In my KVM configuration file I have

    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='vfio'/>
        <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
      <alias name='hostdev0'/>
      <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>

However when starting the guest vm up, and running LSPCI, I am not seeing the device, which was once there?

Is anyone able to help, point me in the right direction (video / post).. Do you need to see anthing else from the configuration or guest?


Thank you

Edited by mrforsythexter
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