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NVIDIA P620 passthrough, "device requires further installation"

Stephen Borrill


I'm trying to use a pair of NVIDIA P620 GPUs in passthrough mode on 8.0. They are recognised and a VM can be configured to use one. I know they aren't in the HCL, but similar cards are and there's no cards that are both supported by Lenovo (ThinkSystem SR630) and in the HCL. On the face of it, everything looks healthy:


uuid ( RO)                        : 117e4ed9-74d1-4a9a-9ca3-1bb014bef89a
                 vendor-name ( RO): NVIDIA Corporation
                 device-name ( RO): GP107GL [Quadro P620]
                 dom0-access ( RO): enabled
    is-system-display-device ( RO): false
              gpu-group-uuid ( RW): 51ac198a-a379-d4a1-429b-e16b86f2134f
        gpu-group-name-label ( RO): Group of NVIDIA Corporation GP107GL [Quadro P620] GPUs
                   host-uuid ( RO): c41eea7d-76d3-48a6-b97a-7a8e5eb61ede
             host-name-label ( RO): xen03
                      pci-id ( RO): 0000:86:00.0
                dependencies (SRO): 0000:86:00.1
                other-config (MRW):
        supported-VGPU-types ( RO): 0b431a33-6241-46a1-acec-db3d92d44a77
          enabled-VGPU-types (SRW): 0b431a33-6241-46a1-acec-db3d92d44a77
              resident-VGPUs ( RO):

The driver installer appears to complete OK (passes system checks, etc.), but the driver does not start. The Microsoft Basic Display Driver is still active and the Device Manager reports that "Windows has stopped this device because it has reported problems. (Code 43)". The Events tab in Device Manager says "Device PCI\VEN_10DE&DEV_1CB6&SUBSYS_126410DE&REV_A1\3&267a616a&0&30 requires further installation."


I've used various drivers, but today tried the latest:


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Fri Nov  1 14:30:41 2019
| NVIDIA-SMI 430.46       Driver Version: 430.46       CUDA Version: N/A      |
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|   0  Quadro P620         Off  | 00000000:06:00.0 Off |                  N/A |
| 34%   36C    P8    N/A /  N/A |      9MiB /  2047MiB |      0%      Default |

| Processes:                                                       GPU Memory |
|  GPU       PID   Type   Process name                             Usage      |
|  No running processes found                                                 |


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I just noticed it's a P620 GPU you are trying to use. I do not believe that model is compatible with XenServer running virtualized GPUs. Check the NVIDIA site for supported hardware, such as the P4, T4. M10, M60, etc.  A P620 can be run of course on a standalone server under the OS installed on that server, without the virtualization component.

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