Proxmox GPU/PCIE passthrough
Setting Proxmox up to allow a GPU to passthrough to a virtual machine.
Websites I used as references
https://pve.proxmox.com/wiki/Pci_pass...
https://www.reddit.com/r/homelab/comm...
Edit GRUB
nano /etc/default/grub
Change this line from
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
to
GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt pcie_acs_override=downstream,multifunction nofb nomodeset video=vesafb:off,efifb:off"
save file and update grub
update-grub
Reboot the node
Edit the module file
VFIO = Virtual Function I/O
nano /etc/modules
Add these lines
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd
save and reboot
IOMMU remapping (some systems are not good at mapping the IOMMU, this will help)
nano /etc/modprobe.d/iommu_unsafe_interrupts.conf
options vfio_iommu_type1 allow_unsafe_interrupts=1
nano /etc/modprobe.d/kvm.conf
options kvm ignore_msrs=1
Blacklist the GPU drivers (this will kkeep the host system from trying to use the new GPU)
nano /etc/modprobe.d/blacklist.conf
blacklist radeon
blacklist nouveau
blacklist nvidia
blacklist nvidiafb
Adding GPU to VFIO
lspci -v
Look for your GPU and take note of the first set of numbers this is your PCI card address.
Then run this command
lspci -n -s (PCI card address)
This command gives use the GPU vendors number.
Use those numbers in this command
nano /etc/modprobe.d/vfio.conf
options vfio-pci ids=(GPU number,Audio number) disable_vga=1
Run this command to update everything
update-initramfs -u
Then restart the server.
Make a new VM
Bios is OMVF(UEFI)
Machine is q35
Start the new VM and make sure remote desktop is active
and find the IP Adress
Not affiliate Links
https://www.ebay.com/usr/theartofserv...
https://www.amazon.com/dp/B06XT1Z9TF?...
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