[SOLVED] Proxmox stuck on boot without acpi=off

[Decco1337]

Hey guys,
As I have many issues with Proxmox, I got a new server (Ryzen 9 7950X, ASRock Rack B650D4U, 128 GB DDR5 RAM (4x 32) and two NVMe drives).

Unfortunately the server was not able to install with the parameter acpi=off as I got a blackscreen after loading the initial ramdisk. WIth the boot parameter I was able to install the server and to boot the installed system.

The issue now is, that I just have 1 core instead 32 virtual cores when I boot with acpi=off.

And if I boot without the parameter the system will stuck at this point while booting:



Any idea how to fix it?

 

[Decco1337]

Solved the issue by reflashing the BIOS with the newest version (was already installed) and by overwriting the BIOS settings to defaults.