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Merge pull request #53 from rc14193/patch-1 

Improve readme readability
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tehNooB 2024-02-12 16:57:22 +00:00 committed by GitHub
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GPU_passthrough/readme.md
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@ -4,39 +4,51 @@ Intel VT-d & VT-x – Intel Compatible list
All AMD CPUs from Bulldozer onwards should be compatible. All AMD CPUs from Bulldozer onwards should be compatible.
2) Get device IDs: 2) Get device IDs:
lspci -nn `lspci -nn`
3) Enable IOMMU in GRUB (check Intel or AMD commands below - choose the right one) 3) Enable IOMMU in GRUB (check Intel or AMD commands below - choose the right one)
nano /etc/default/grub nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt"
GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on"
save and exit
5) run the command "update-grub" `GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt"`
now reboot
6) Enable VFIO Modules `GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on"`
nano /etc/modules
Verify that IOMMU is enabled by running `dmesg | grep -e DMAR -e IOMMU` and looking for a line indicating it is enabled
Save and exit
4) run the command `"update-grub"` now reboot
5) Enable VFIO Modules
`nano /etc/modules`
Add the following modules: Add the following modules:
```
vfio vfio
vfio_iommu_type1 vfio_iommu_type1
vfio_pci vfio_pci
vfio_virqfd vfio_virqfd
```
Then, save and exit Then, save and exit
Next run: 6) `update-initramfs -u -k all` and reboot
update-initramfs -u -k all
and reboot
7) GPU Isolation From the Host (amend the below to include the IDs of the device you want to isolate) Verify the modules are enabled with `dmesg | grep -i vfio` and checking the driver version line is present
echo "options vfio-pci ids=10de:1381,10de:0fbc disable_vga=1" > /etc/modprobe.d/vfio.conf
8) GPU Isolation From the Host (amend the below to include the IDs of the device you want to isolate)
`echo "options vfio-pci ids=10de:1381,10de:0fbc disable_vga=1" > /etc/modprobe.d/vfio.conf`
8) Blacklist GPU drivers (here are all that you would ever need) 8) Blacklist GPU drivers (here are all that you would ever need)
```
echo "blacklist radeon" >> /etc/modprobe.d/blacklist.conf echo "blacklist radeon" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nouveau" >> /etc/modprobe.d/blacklist.conf echo "blacklist nouveau" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidia" >> /etc/modprobe.d/blacklist.conf echo "blacklist nvidia" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidiafb" >> /etc/modprobe.d/blacklist.conf echo "blacklist nvidiafb" >> /etc/modprobe.d/blacklist.conf
echo "blacklist nvidia_drm" >> /etc/modprobe.d/blacklist.conf echo "blacklist nvidia_drm" >> /etc/modprobe.d/blacklist.conf
```
Reboot your machine, be sure to use the web gui because with the gpu passed through you will no longer get video out.
The start up will begin but then appear to hang even though proxmox has started fine.
9) Create a new VM and add the GPU via hardware menu 9) Create a new VM and add the GPU via hardware menu
You may need to set it as primary GPU You may need to set it as primary GPU