zeama@Dell-Linux /opt/qcad-3.16.5-pro-linux-x86_64 $ LD_LIBRARY_PATH=. gdb ./qcad-bin GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1 Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Lendo sĂ­mbolos de ./qcad-bin...(no debugging symbols found)...concluĂ­do. (gdb) run Starting program: /opt/qcad-3.16.5-pro-linux-x86_64/qcad-bin [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". QCAD version 3.16.5 [New Thread 0x7fffef32e700 (LWP 23347)] 17:41:02: Debug: RDwgPlugin::init 17:41:02: Debug: RDxfPlugin::init 17:41:02: Debug: RHelpPlugin::init 17:41:02: Debug: RPolygonPlugin::init 17:41:02: Debug: RProScriptsPlugin::init 17:41:02: Debug: RTriangulationPlugin::init [New Thread 0x7fffe4922700 (LWP 23360)] [New Thread 0x7fff5d1ff700 (LWP 23366)] 17:41:05: Debug: sourceList: /home/zeama/Dropbox/QCad_Pro/Bibliotecas,/home/zeama/Dropbox/QCad_Pro/Bibliotecas/Modelos QCad,/opt/qcad-3.16.5-pro-linux-x86_64/libraries/default 17:41:06: Debug: RPluginBase: postInit: "DWG" 17:41:06: Debug: RPluginBase: postInit: "POLYGON" 17:41:06: Debug: RPluginBase: postInit: "PROTOOLS" 17:41:06: Debug: RPluginBase: postInit: "TRIANGULATION" 17:41:10: Debug: dropped global XDATA (no res buf): "ViewportCenter" 17:41:17: Debug: done [Thread 0x7fff5d1ff700 (LWP 23366) exited] [Thread 0x7fffe4922700 (LWP 23360) exited] [Thread 0x7fffefe0d740 (LWP 23343) exited] [Inferior 1 (process 23343) exited normally] (gdb) bt No stack.