this post was submitted on 15 Mar 2024
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I can’t even figure out how to tell if it’s supported or not. If it is supported, I can’t figure out how to enable it. If it is enabled, idk where I should be seeing it in proxmox!

Can anyone point me in the right direction?

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[–] [email protected] 0 points 8 months ago* (last edited 8 months ago) (1 children)

The previous site already shows this in practice, but here's a more technical explanation for you

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-iommu-deep-dive

Here's some more real life examples: https://forum.level1techs.com/t/vfio-passthrough-in-2023-call-to-arms/199671/18

https://old.reddit.com/r/VFIO/comments/16czih3/how_to_find_a_motherboard_with_good_iommu_groups/

Passed that you can take your skepticism somewhere else, I don't really care that you don't believe me, it doesn't change the reality of how IOMMU groups work.

Grouping has become overall better since X570, but still not a given.

[–] [email protected] 1 points 8 months ago