In this edition, I think I have solved the mystery mesa hang; having identified a suspect in MI_SET_CONTEXT | FORCE_RESTORE. But the hang on reset with a dirty PD is still there, and I'm still fighting byt which fails to switch mm once every few hours. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx