On 2021-07-23 11:02 a.m., Daniel Vetter wrote: > On Fri, Jul 23, 2021 at 10:19:49AM +0200, Michel Dänzer wrote: >> On 2021-07-23 10:04 a.m., Christian König wrote: >>> Am 23.07.21 um 09:58 schrieb Michel Dänzer: >>>> From: Michel Dänzer <mdaenzer@xxxxxxxxxx> >>>> >>>> This makes sure we don't hit the >>>> >>>> BUG_ON(dmabuf->cb_in.active || dmabuf->cb_out.active); >>>> >>>> in dma_buf_release, which could be triggered by user space closing the >>>> dma-buf file description while there are outstanding fence callbacks >>>> from dma_buf_poll. >>> >>> I was also wondering the same thing while working on this, but then thought that the poll interface would take care of this. >> >> I was able to hit the BUG_ON with https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1880 . > > igt test would be really lovely. Maybe base something off the > import/export igts from Jason? I'll see what I can do, busy with other stuff right now though. -- Earthling Michel Dänzer | https://redhat.com Libre software enthusiast | Mesa and X developer