Yes, I use Linux. This is the output: GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Para las instrucciones de informe de errores, vea: <http://bugs.launchpad.net/gdb-linaro/>... Leyendo símbolos desde /home/julio/X-Plane 10 beta test/X-Plane-i686...(no se encontraron símbolos de depuración)hecho. (gdb) bt full No stack. (gdb) Just after the CTD, I typed "bt full". Translation from spanish: Leyendo símbolos desde /home/julio/X-Plane 10 beta test/X-Plane-i686...(no se encontraron símbolos de depuración)hecho. Reading symbols from /home/julio/X-Plane 10 beta test/X-Plane-i686... (No debugging symbols found) done.