Hi Johannes, On Wed, Jun 12, 2024 at 4:10 PM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > Strange. Is there an IOMMU involved on this platform? IOMMU isn't available on i.MX8M as far as I know. Interestingly, such a warning does not happen with the 5.10 kernel. I only noticed it yesterday, after migrating to 6.6.32. Thanks