On Thu, Jun 10, 2021 at 05:52:07PM +0300, Horia Geantă wrote: > I've noticed the failure also in v5.10 and v5.11 stable kernels, > since the patch set has been backported. FYI, there has been a patch on the list that should have fixed this for about a month: https://lore.kernel.org/linux-iommu/20210510091816.GA2084@xxxxxx/T/#m0d0df6490350a08dcc24c9086c8edc165b402d6f but it seems like it never got picked up.