2026-03-26 06:38:29 +00:00
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# GPU Passthrough on Linux
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## Enable IOMMU
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```bash
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sudo vim /etc/default/grub
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```
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Add amd_iommu=on iommu=pt
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`GRUB_CMDLINE_LINUX_DEFAULT="... amd_iommu=on iommu=pt"`
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```bash
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sudo grub-mkconfig -o /boot/grub/grub.cfg
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sudo reboot
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```
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Verify
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```bash
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sudo dmesg | grep -i iommu
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```
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2026-03-26 06:38:56 +00:00
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2026-03-26 06:39:13 +00:00
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## Find GPU IDs
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2026-03-26 06:38:56 +00:00
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```bash
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lspci -nn | grep -E "VGA|Audio"
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```
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2026-04-01 07:41:02 +00:00
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In my case, I get
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- `10de:28a0`
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- `10de:22be`
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## VFIO Module Options
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```bash
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sudo vim /etc/modprobe.d/vfio.conf
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```
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2026-04-01 07:42:36 +00:00
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### Arch
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2026-04-01 07:42:00 +00:00
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2026-04-01 07:41:02 +00:00
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```bash
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options vfio-pci ids=10de:28a0,10de:22be
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```
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2026-04-01 07:42:36 +00:00
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### Fedora
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options vfio-pci ids=10de:28a0,10de:22be disable_vga=1
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softdep nvidia pre: vfio-pci
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softdep nouveau pre: vfio-pci
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