Missing GPU

I have 2 GPUs, an Intel Arc 310 and a 380, installed in a Dell R730. One GPU is successfully passed through to a VM, but the other GPU has disappeared. It was working fine until I added the second GPU and passed it through to the VM. The A310 was being used by Jellyfin and Plex. I didn't even need to configure the LXC config file. As soon as I installed it, it showed up in Plex and Jellyfin and then it added itself to the config file. Somehow the second GPU screwed it up.

If I look in...

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