GPU Passthrough - Proxmox 7.2
BIOS/UEFI options
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| Enable IOMMU / VT-d in BIOS options
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Edit /etc/default/grub/
Change intel_iommu for amd_iommu on amd systems
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| GRUB_CMDLINE_LINUX_DEFAULT="textonly quiet intel_iommu=on video=vesafb:off video=efifb:off video=simplefb:off"
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Update GRUB
Edit /etc/modules/
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| vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd
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Edit /etc/modprobe.d/vfio.conf
Change id’s to match your graphics card.
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| options vfio-pci ids=10de:1430,10de:0fba disable_vga=1
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Update module blacklist
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| echo "blacklist radeon" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nouveau" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidia" >> /etc/modprobe.d/blacklist.conf
echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf
update-initramfs -u
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create /root/fix_gpu_pass.sh
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| cd /root/
touch fix_gpu_pass.sh
chmod +x fix_gpu_pass.sh
nano fix_gpu_pass.sh
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replace pci device with correct number from lspci
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| #!/bin/bash
echo 1 > /sys/bus/pci/devices/0000\:04\:00.0/remove
echo 1 > /sys/bus/pci/rescan
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Edit crontab
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| @reboot /root/fix_gpu_pass.sh
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Reboot the system
Passthrough gpu using web ui
