On Tue, Jul 25, 2017 at 03:15:30AM +0000, John Brooks wrote: > We unref the man->move fence in ttm_bo_clean_mm() and then call > ttm_bo_force_list_clean() which waits on it, except the refcount is now > zero so a warning is generated (or worse): <snip> Thanks for the backport! greg k-h