https://bugs.freedesktop.org/show_bug.cgi?id=109022
--- Comment #3 from e88z4 felix.adrianto@gmail.com --- I did a little more troubleshooting on my API trace.
Call #36840880 is the culprit of the VMC Page Fault error. The GPU didn't crash right away but continuing 100-200 calls after 36840880 might randomly trigger the ring gfx timeout error.