May 15, 20188 yr The Quad channel nic I have seems to be limited to 2 different iommu groups and nothing I do has let me separate this. So, I'd rather just look for a proper fix a new card. Since I currently have Quad channel upgrading the port count would also be ideal.
May 27, 20188 yr I have a 4port NIC as well, I know that mine has 2 NIC controllers. So I think it is 1 IOMMU group per controller. It sounds like your card has the same design.
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