Quartus Prime Pro: Internal Error: Sub-system: SUTIL

Hi Terry,

As pointed out , this error can occur if the system runs out of Temporary disk space. I suggest you clear the /tmp drive in your Linux system and then try running the tool again. Do make sure that before you run the Quartus tools, the /tmp folder is empty and that you have cleared out all the temporary disk data, as Quartus uses this space to store the intermediate results during compilation and generation.

If this doesn't resolve the issue, you could raise a support ticket with Altera and have them take a look at it.

-Abr