Setup Proxmox with Passthrough ready

Install and setup Proxmox Virtual Environment

nano /etc/default/grub

GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_pstate=disable intel_iommu=on iommu=pt pcie_acs_override=downstream,multifunction nofb nomodeset video=vesafb:off,efifb:off"

update-grub

crontab -e
@reboot echo "schedutil" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

nano /etc/modules
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd


echo "options vfio_iommu_type1 allow_unsafe_interrupts=1" > /etc/modprobe.d/iommu_unsafe_interrupts.conf

echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf

echo "blacklist radeon" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nouveau" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidia" >> /etc/modprobe.d/blacklist.conf


systemctl disable --now ksmtuned

update-initramfs -u

reboot