Search results for query: b550 iommu group

You cannot change the IOMMU groups. It is determined by the motherboard and the BIOS. You can put it in different slots and see if that helps. You can try different BIOS versions, or buy a X570 motherboard. And you can use the pcie_acs_override if you don't care about the device isolation, which...

Hello everyone, I bought a new Asus Tuf Gaming B550 Plus and I'm trying to make it work with Proxmox. For some reasons I need that one controller plugged on one of the PCI slots is pass through to a VM. Thing is IOMMU grouping on this motherboard is rubbish, so after research I tried to activate...

I appears that IOMMU group 0 contains more devices. You need to not use those devices (bind them to vfio-pci) or pass them all through to the same VM. PCI Bridge devices can be ignored, What are those other devices? Use for d in /sys/kernel/iommu_groups/*/devices/*; do n=${d#*/iommu_groups/*}...