See
https://bugzilla.kernel.org/show_bug.cgi?id=207561
and the fix seems to be to back-port commit 8623b5255ae7
("drm/scheduler: fix drm_sched_get_cleanup_job").
I think Artem will (has?) make a report too, but I thought I'd just
mention it to make sure since I was on the bugzilla.
Linus
