disable iommu or enable iommu by add "iommu=soft intel_iommu=off " or "iommu=on intel_iommu=on" take the same result.But disable intel_iommu it seems the graphical desktop response very smoothly.
disable iommu or enable iommu by add "iommu=soft intel_iommu=off " or "iommu=on intel_iommu=on" take the same result.But disable intel_iommu it seems the graphical desktop response very smoothly.