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I thought I fixed this by updated /etc/network/interfaces with a section like this: ``` iface eno2 inet manual offload-gso off offload-gro off offload-tso off offload-rx off offload-tx off offload-rxvlan off offload-txvlan off offload-sg off offload-ufo off offload-lro off...

The only question I think I don't have answered is: * The documentation says that NUMA is required for hot-pluggable CPU and Memory. If your hardware doesn't support NUMA does that mean that you cannot have hot-pluggable CPU and Memory, or should you still enable NUMA to get hot-pluggable CPU...

Ah, you are right, I misunderstood. So if the host has 2 physical CPUs then I should set the VM to NUMA with 2 physical sockets as well, but the vCPUs can be anything I want? Ah interesting. Does numactl show more than 1 "node" on a 5900x platform then?

I've read the NUMA wiki here: https://pve.proxmox.com/wiki/NUMA and the admin guide regarding NUMA here: https://pve.proxmox.com/pve-docs/pve-admin-guide.html#qm_virtual_machines_settings however I still have some questions. * Is NUMA only useful if your PVE *host* has more than 1 physical...

Do you have any information on this? I have a debian 12 (bookworm) VM that I enabled hotplug on and after doing so when I boot the VM with less than 1.5GB of memory it runs out of memory (OOM) before it fully boots. I think what you said might be the cause?

This method seems to no longer work with proxmox ve 6.4-13, is there a new method? EDIT: after many tries it does seem to be working now, i did delete the "boot" line, perhaps that was it?