VM stopped working even though it worked earlier

This page summarizes the projects mentioned and recommended in the original post on reddit.com/r/VFIO

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  • vfio

    A script for easy pci and usb passthrough along with disks, iso's and other useful flags for quick tinkering with less of a headache. I use it for VM gaming and other PCI/LiveCD/PXE/VM/RawImage testing given the script's accessibility.

    Your bigger problem is the pacman -Syu. A full system upgrade is wicked but can sometimes change something which influences how your VM startup works. This is very common if you use hardcoded VM startup/shutdown bash scripts which would be sensitive to process changes and I imagine that is how you're doing it all as well (if you're not isolating the card for the entire boot). I personally made my own script for vfio which doesn't care that much about drivers and just unbinds/rebinds what it needs/doesn't need on the fly, slightly more resilient to this sort of thing but every so often even the latest Kernel can be enough to cause hiccups in vfio setups.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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