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August 13, 2024 12:59
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GPU Passthrough proxmox setup
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| #!/bin/bash | |
| # https://www.reddit.com/r/homelab/comments/b5xpua/the_ultimate_beginners_guide_to_gpu_passthrough/ | |
| # intel based script | |
| apt-get update | |
| apt-get upgrade -y | |
| echo "current value of GRUB_CMDLINE_LINUX_DEFAULT" | |
| grep GRUB_CMDLINE_LINUX_DEFAULT /etc/default/grub | |
| sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT=.*/GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on"/g' /etc/default/grub | |
| echo "new value" | |
| grep GRUB_CMDLINE_LINUX_DEFAULT /etc/default/grub | |
| update-grub | |
| modules=(vfio vfio_iommu_type1 vfio_pci vfio_virqfd) | |
| for module in "${modules[@]}"; do | |
| if ! grep -q "^$module" /etc/modules; then | |
| echo "$module" | tee -a /etc/modules | |
| fi | |
| done | |
| lines=( "options vfio_iommu_type1 allow_unsafe_interrupts=1" ) | |
| for line in "${lines[@]}"; do | |
| if ! grep -q "^$line" /etc/modprobe.d/iommu_unsafe_interrupts.conf; then | |
| echo "$line" | tee -a /etc/modprobe.d/iommu_unsafe_interrupts.conf | |
| fi | |
| done | |
| lines=("options kvm ignore_msrs=1" ) | |
| for line in "${lines[@]}"; do | |
| if ! grep -q "^$line" /etc/modprobe.d/kvm.conf; then | |
| echo "$line" | tee -a /etc/modprobe.d/kvm.conf | |
| fi | |
| done | |
| drivers=(nouveau nvidia radeon) | |
| for driver in "${drivers[@]}"; do | |
| if ! grep -q "^blacklist $driver" /etc/modprobe.d/blacklist.conf; then | |
| echo "blacklist $driver" | tee -a /etc/modprobe.d/blacklist.conf | |
| fi | |
| done | |
| gpu_address=$(lspci -nn | grep -i "vga\|3d\|2d" | grep -v "Audio" | head -n 1 | cut -d ' ' -f 1 | cut -d '.' -f 1) | |
| ids="" | |
| # getting vendors and devices id for vga and audio from address | |
| for device in $(lspci -n -s $gpu_address | cut -d ' ' -f 3); do | |
| vendor=$(echo $device | cut -d ':' -f 1) | |
| device=$(echo $device | cut -d ':' -f 2) | |
| if [ -z "$ids" ]; then | |
| ids="$vendor:$device" | |
| else | |
| ids="$ids,$vendor:$device" | |
| fi | |
| done | |
| # exclude from vfio-pci | |
| if ! grep -q "^options vfio-pci ids=$ids disable_vga=1" /etc/modprobe.d/vfio.conf; then | |
| echo "options vfio-pci ids=$ids disable_vga=1" | tee -a /etc/modprobe.d/vfio.conf | |
| fi | |
| update-initramfs -u | |
| echo "Do you want to reboot now? (y/n)" | |
| read answer | |
| if [ "$answer" != "${answer#[Yy]}" ] ;then | |
| reboot | |
| fi |
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