[mjhsieh@Fedora64 leap]$ cat > test.leap loadOff all_nucleic94.lib [mjhsieh@Fedora64 leap]$ gdb /home/mjhsieh/amber11/bin/teLeap GNU gdb (GDB) Fedora (7.0.1-45.fc12) Copyright (C) 2009 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-redhat-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /home/mjhsieh/amber11/bin/teLeap...(no debugging symbols found)...done. (gdb) set args -I/home/mjhsieh/amber11/dat/leap/lib -f ./test.leap (gdb) run Starting program: /home/mjhsieh/amber11/bin/teLeap -I/home/mjhsieh/amber11/dat/leap/lib -f ./test.leap -I: Adding /home/mjhsieh/amber11/dat/leap/lib to search path. -f: Source ./test.leap. Welcome to LEaP! (no leaprc in search path) Sourcing: ./test.leap Loading library: /home/mjhsieh/amber11/dat/leap/lib/all_nucleic94.lib Program received signal SIGSEGV, Segmentation fault. 0x000000000041ba9b in bAtomCoordinationSaturated () (gdb) quit