It hangs indefinitely at startup. The symptom reported above is the sign that when freemat starts it spawn a gui process (which works) while its processing thread hangs.
This can be better evidenced by starting freemat without its gui as freemat -noX or freemat -nogui or freemat -e. In this case, freemat simply hangs.
Freemat is completely dead as a matter of fact.
It hangs indefinitely at startup. The symptom reported above is the sign that when freemat starts it spawn a gui process (which works) while its processing thread hangs.
This can be better evidenced by starting freemat without its gui as freemat -noX or freemat -nogui or freemat -e. In this case, freemat simply hangs.