We should
start a black- and whitelist for hardware used for Linux
real-time. Unfortunately I could add my two machines to the blacklist .
Which hardware is "bad"? The cpu? The video chip? The motherboard?
Is your output was accelerated? I looked to list of backends at plotutils documentation
and could not find any with accelerated output to screen.
May be, you should try OpenGL/GLU?
Also, I found: