On Wed, 2024-06-12 at 16:15 -0300, Fabio Estevam wrote: > 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. Alright, so I don't know. > Interestingly, such a warning does not happen with the 5.10 kernel. Sure, but that's also _ancient_. There are >12k commits since then that change arch/arm64/ alone ... And since we didn't change the driver, I guess the issue is somewhere there? But ... I see you're one of the NXP ARM64 kernel maintainers so you will likely know better than me what's going on there :P I guess you could also check the *virtual* address of the allocated paged isn't also weirdly unaligned, but either way it's strange that the arch/iommu/... gives an unaligned physical/IO-virtual address. johannes
