So I had a bit of a unpleasant experience with #proxmox and trying to successfully do a PCI(e) Passthrough.
In my cluster, I have a few machines running on an AMD Ryzen 7 4800U with Radeon Graphics. Following the Proxmox WIki guide, I kinda managed to pass the APU into a guest.
The unpleasant side effect was that following that, the host then lost control over the remaining PCI devices too, as in IO, network, etc. First thing to happen of course was all OSDs on that host just disappeared.
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