(In reply to comment #1) > Many demos work now. But the Cave Demo does not work, it hangs the GPU. Hmm, that one works for me. Only the Elemental and Sci-Fi Hallway demos run into shader compiler failures and corresponding GPU VM faults for me, no hangs though. > I'll leave this bug report open, because I have no idea if this bug will > reappear once the hang is fixed. Right, they're probably separate problems and need to be tracked separately.