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Code Block
titleEnable IOMMU
GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on iommu=pt"
GRUB_CMDLINE_LINUX="intel_iommu=on iommu=pt"

Next up is to regenerate initramfs/grubconf:

Code Block
titleVerify that IOMMU is enabled
# update-initramfs -u
# grub-mkconfig -o /boot/grub/grub.cfg

After a reboot you should be able to see that the IOMMU is enabled correctly like so:

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