On 11/17/22 18:09, Christian König wrote: > Am 17.11.22 um 15:41 schrieb Dmitry Osipenko: >> [SNIP] >>> drm_sched_entity_flush() should be called from the flush callback from >>> the file_operations structure of panfrost. See amdgpu_flush() and >>> amdgpu_ctx_mgr_entity_flush(). This makes sure that we wait for all >>> entities of the process/file descriptor to be flushed out. >>> >>> drm_sched_entity_fini() must be called before you free the memory the >>> entity structure or otherwise we would run into an use after free. >> Right, drm_sched_entity_destroy() invokes these two functions and >> Panfrost uses drm_sched_entity_destroy(). > > Than I have no idea what's going wrong here. > > The scheduler should trivially finish with the entity and call > complete(&entity->entity_idle) in it's main loop. No idea why this > doesn't happen. Can you investigate? I'll take a closer look. Hoped you may have a quick idea of what's wrong :) -- Best regards, Dmitry
