From: Jon Hunter <jonathanh@xxxxxxxxxx> Date: Tue, 23 Jul 2019 13:09:00 +0100 > Setting "iommu.passthrough=1" works for me. However, I am not sure where > to go from here, so any ideas you have would be great. Then definitely we are accessing outside of a valid IOMMU mapping due to the page pool support changes. Such a problem should be spotted with swiommu enabled with debugging.