X isn't to blame for screen flicker. That's all Nvidia's fault. Every other video driver on Xorg works correctly. Every other X server works correctly. X is jus

X isn't to blame for screen flicker. That's all Nvidia's fault. Every other video driver on Xorg works correctly. Every other X server works correctly. X is just a collection of protocols and data structures. It can run on top of anything. It isn't to blame for low level hardware issues from poorly implemented drivers.