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gpu passthrough on linux.md

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+# GPU Passthrough on Linux
+
+## Enable IOMMU
+
+```bash
+sudo vim /etc/default/grub
+```
+
+Add amd_iommu=on iommu=pt
+
+`GRUB_CMDLINE_LINUX_DEFAULT="... amd_iommu=on iommu=pt"`
+
+```bash
+sudo grub-mkconfig -o /boot/grub/grub.cfg
+sudo reboot
+```
+
+Verify
+
+```bash
+sudo dmesg | grep -i iommu
+```