GiD 12.x is a very old version, current version is 15.x
And what is the exact GiD version? 12.0.x official or 12.1.xd developer?
try the last available version of both lines.
and try running
gid
and also
gidx
the second option uses OpenGL (Mesa) by software
GiD 12 crashes X on linux 64 bit?
Moderator: GiD Team