CPU host erro

xFlocon

New Member
Apr 11, 2025
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Good evening, I'm having an issue with my VMs. For some reason, whenever I set the CPU to "host" in the VMs, they start acting weird and become slow. In Windows, for example, when I do this, the appearance changes and it gets really slow — it even shows the Windows XP-style interface during startup. But this only happens when I set the CPU to "host." When I switch to any other CPU type, like Ivy Bridge, everything works fine. I'm currently using a Xeon E5-2667 v2 as the processor, and the host CPU only works normally when I'm using the system remotely. However, as soon as I add a dedicated GPU, these problems start happening. Oh, and also, for some reason, UEFI mode doesn't work properly on my Proxmox — it only works on remote VMs. But when I add a dedicated GPU to them, it stops working. Right now, I'm using a VM with Windows 10 (legacy BIOS), the Ivy Bridge CPU type, and an RX 470, and that setup works normally.