On Wed, 8 Apr 2015, Qi Shi wrote:
I lauch gretl_x11 from the command prompt, open the console, write
"x=3" and enter. then both the main interface and the console
disappear. and I see there is a line "Invalid instruction" in the
terminal.
Ah, that's helpful. "Invalid" (or "Illegal") instruction means
that
the program was compiled for a more advanced processor than the one
it's running on. What sort of CPU do you have? And can you try this:
cat /proc/cpuinfo | grep sse
Allin Cottrell