localhost mp1e # gdb ./mp1e core GNU gdb 6.5 Copyright (C) 2006 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1". /root/test_rte/rte/mp1e/core: No such file or directory. (gdb) r Starting program: /root/test_rte/rte/mp1e/mp1e [Thread debugging using libthread_db enabled] [New Thread 47072476125920 (LWP 31928)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 47072476125920 (LWP 31928)] 0x0000000000433243 in mmx_bputq () (gdb) bt #0 0x0000000000433243 in mmx_bputq () #1 0x0000000000423c5b in parameters_set () #2 0x000000000040526a in main () (gdb)