[tchung@localhost ~]$ gdb totem GNU gdb Red Hat Linux (6.3.0.0-1.21rh) Copyright 2004 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 "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1". (gdb) run Starting program: /usr/bin/totem Reading symbols from shared object read from target memory...done. Loaded system supplied DSO at 0x5e1000 [Thread debugging using libthread_db enabled] [New Thread -1208691008 (LWP 20948)] [New Thread -1211749456 (LWP 20951)] [New Thread -1212212304 (LWP 20952)] [Thread -1212212304 (LWP 20952) exited] Program exited normally. (gdb) bt No stack. (gdb) quit