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IOMMU support

Open shuxin opened this issue 5 years ago • 3 comments

my asus CN60 has an i7-4600U supported vt-d and iommu. but when I add intel_iommu=on in grub. system hang up when start.

shuxin avatar Jul 02 '19 01:07 shuxin

distro/kernel/version? firmware version?

MrChromebox avatar Jul 02 '19 02:07 MrChromebox

I have a celeron CN60 running proxmox, and am considering an i7 CN60. Are there specifics as to how to ensure vt-d to run under proxmox with a i7-4600U? Do you have guidance on what distros or firmwares that would allow Intel's IOMMU to function on a CN60 if not proxmox? THANKS!

bobreidx avatar Mar 20 '21 19:03 bobreidx

generally speaking, IOMMU isn't enabled by default in most kernels, and you need to add kernel param intel_iommu=on to enable it. The stock firmware definitely won't cut it, so my UEFI firmware will be the only option. I've not tested IOMMU on Haswell in some time but it should work. If not, I can likely fix it easily enough since it's enabled/tested for newer platforms including Broadwell

MrChromebox avatar Mar 20 '21 19:03 MrChromebox