> I have compiled GRASS 6.0.1 on x86_64 architecture and trying to run > NVIZ but I am getting segfault. Did anybody succeed to run NVIZ on > x86_64 architecture (Athlon64 or Opteron processor)? Oh yeah, and try compiling against Tcl/Tk 8.3 development headers, not 8.4. (at runtime you should be able to use 8.4) Hamish