Hello! I need to create a VM and passthrought some host USB port to it. Sadly libvirt doesn’t support QEMU built-in feature to use -hostport argument (which was added 10 years ago…). I tried to add custom arguments to domain (qemu:commandline) but this didn’t work. When I just run qemu-system-x86_64 -device host-usb,hostbus=X,hostport=Y -usb everything works well. It seems like libvirt restricts some QEMU actions. How can I fix this? OS: Debian 12

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    2 months ago

    I would personally look into buying a pcie USB card. You can easily passthough PCIe devices with minimal effort and it will work better