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  • B Offline last edited by

    Hello,

    I've been successful in presenting XCP-NG and XO a GPU... But I cannot get it to pass through. I feel like I am missing something.

    Dell R210 II Xeon E3-1230 V2 Nvidia P400 (UEFI removed/vBIOS hack) Windows 10 Pro Oct 2020 with XCP-NG guest tools 8.2.2.200-rc1

    add-gpu.PNG

    passthrough () 0x0 is shown... Not sure if that is right, but when booting the machine isn't detecting it.

    The GPU passthrough section doesn't say much on the docs https://xcp-ng.org/docs/compute.html#gpu-passthrough

    Any help would be appreciated.

    1 Reply Last reply Reply Quote 0
  • olivierlambertO Online Vates 🪐 Co-Founder CEO last edited by

    This UI is for vGPU, not passthrough.

    You need to use xe CLI.

    B 1 Reply Last reply Reply Quote 0
  • B Offline @olivierlambert last edited by Brailyn

    @olivierlambert Man I am on a roll with dumb questions in this forum... Only now do I see that dialog says vGPU.

    1 Reply Last reply Reply Quote 0
  • olivierlambertO Online Vates 🪐 Co-Founder CEO last edited by

    Not a dumb question no worries, also having passthrough in the UI might come in the future at some point.

    B 1 Reply Last reply Reply Quote 0
  • B Offline @olivierlambert last edited by Brailyn

    @olivierlambert I just ran these commands and I still can use the console window and do not see it in device manager.

    [10:39 xcp-ng2 ~]# lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/Ivy Bridge DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a4) 00:1f.0 ISA bridge: Intel Corporation C202 Chipset LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04) 01:00.0 VGA compatible controller: NVIDIA Corporation GP107GL [Quadro P400] (rev a1) 01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1) 02:00.0 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme II BCM5716 Gigabit Ethernet (rev 20) 02:00.1 Ethernet controller: Broadcom Inc. and subsidiaries NetXtreme II BCM5716 Gigabit Ethernet (rev 20) [10:40 xcp-ng2 ~]# xl pci-assignable-list 0000:01:00.0 0000:01:00.1 [10:41 xcp-ng2 ~]# xe vm-param-set other-config:pci=0/0000:01:00.0,1/0000:01:00.1 uuid=6ffb8f66-297e-98ef-f7c9-2c930c5e4ce2 [10:42 xcp-ng2 ~]# B 1 Reply Last reply Reply Quote 0
  • B Offline @Brailyn last edited by Brailyn

    After installing the drivers I do see the device in the OS! Unfortunately, I do not believe using an Nvidia GPU like the Quadro P400 is possible with standard Nvidia drivers. I am getting error code 43 as I now read so many others are...

    error-43.PNG

    I removed my pci device from the vm using the following command:

    xe vm-param-remove param-name=other-config uuid=6ffb8f66-297e-98ef-f7c9-2c930c5e4ce2 param-key=pci 0/0000:01:00.0,1/0000:01:00.1

    To see parameters of the vm in general I used:

    xe vm-param-list uuid=6ffb8f66-297e-98ef-f7c9-2c930c5e4ce2

    I tested in Debian 10 and have similar problems when trying to use the card. The card is visible but will not run.

    root@debian:/home/user# nvidia-detect Detected NVIDIA GPUs: 00:05.0 VGA compatible controller [0300]: NVIDIA Corporation GP107GL [Quadro P400][10de:1cb3] (rev a1) Checking card: NVIDIA Corporation GP107GL [Quadro P400] (rev a1) Your card is supported by the default drivers and legacy driver series 390. It is recommended to install the nvidia-driver root@debian:/home/user# apt install nvidia-driver root@debian:/home/user# apt install nvidia-smi root@debian:/home/user# nvidia-smi Unable to determine the device handle for GPU 0000:00:05.0: Unknown Error U 1 Reply Last reply Reply Quote 0
  • U Offline @Brailyn last edited by

    @brailyn Did you ever get anywhere with this? I've got the same card, and the same problem (error 43).

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  • olivierlambertO Online Vates 🪐 Co-Founder CEO last edited by

    Error 43 means Nvidia driver detects the OS you are installing the driver is a VM. That's an artificial limitation (market segmentation).

    You might find some modified drivers around on GitHub.

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  • D Offline last edited by

    As Linus Torvalds as said "f*** nvidia" and their proprietary drivers.

    1 Reply Last reply Reply Quote 1
  • T Offline last edited by

    Hey I just found this topic, did you manage to get the Quadro P400 working in XCP-NG?

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