On Wed, Mar 22, 2023 at 05:46:09PM +0800, Jason Adriaanse wrote: > Bonjuerno Christoph, > > I am the user who logged the original problem, is there anything I can do > to help debug the issue? > > I do not mind testing patches or to help in any way I can. Hi Jason, I'm a little unresponsive right now as I'm dealing with the fallout of a strike tomorrow that is disrupting my travel. So for now, just a quick idea off my mind: 1) is CONFIG_GART_IOMMU enabled in your kernel 2) if so can you disable it and see if that makes the problem go away?