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Thread: GPU passthrough & error 12? Ubuntu 18.04 host, Windows 7 guest, KVM.

  1. #1
    Join Date
    Mar 2011
    Beans
    3

    GPU passthrough & error 12? Ubuntu 18.04 host, Windows 7 guest, KVM.

    I've been using this guide to setup GPU passthrough in KVM with Virt-manager: https://blog.zerosector.io/2018/07/2...u-passthrough/

    It has worked well and the GPU is recognized by the windows guest. I was able to use NVIDIA Geforce Experience to autodetect and update my drivers.

    However, the devices section of settings shows Error Code 12: Not enough free resources. If I try to repair it, Windows suggests I may have two devices using the same PCI Bus. This is when using the spice graphics console. If I remove that hardware and only leave the card I get no video at all.

    My hardware is a Gigabyte z97mx-gaming 5 motherboard, a NVIDIA Geforce GTX 760 graphics card, and an Intel i5 4690k cpu.

    Is anybody familiar with this situation? Or does anybody know where I might be able to get help with it?

  2. #2
    Join Date
    Mar 2011
    Beans
    7
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: GPU passthrough & error 12? Ubuntu 18.04 host, Windows 7 guest, KVM.

    My system has a very similar setup that was giving me the same code 12 error. I have been able to able to get it working with the following setting in virt-manager:
    CPUs -> Model -> Haswell-noTSX-IBRS
    Using the "Copy host CPU configuration" appeared to give me issues.

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