When trying to passthrough my NIC in a vm i get this error: ”Not a valid choice. The PCI device is not available for passthru: Unable to determine iommu group” System Info: TrueNAS Scale version: 25.10.4 - Goldeye hardware ryzen 7 5700x asrock b550 pg riptide (default bios settings, except mak…

Can't pcie passthrough my NIC (iommu group)

yorick June 20, 2026, 7:49am 3

I struggled with passing through an NVMe … turned out to be user error. Steps described here: Cannot pass NVMe to VM in TrueNAS 26: User error or bug? - #4 by yorick

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