There's actually a kernel patch that basically separates every pcie device into its own iommu group (linux-vfio on arch). You shouldn't do that if you need the

There's actually a kernel patch that basically separates every pcie device into its own iommu group (linux-vfio on arch). You shouldn't do that if you need the security provided by proper iommu groups, but it works for a gaming vm. According to Wendell on Level1Linux, the reset bug should be fixed on AMD 6000 series gpus.