https://bugs.freedesktop.org/show_bug.cgi?id=78453
--- Comment #18 from Michel Dänzer michel@daenzer.net --- (In reply to comment #17)
I see a single frame of es2_gears ; if I abort execution, it looks like the gpu hang and/or reset as my screen go in low power mode but I can bring tty back again.
I can't see any attempt to reset the GPU in your dmesg. Does that happen if you start es2_gears again (or another GL app)?