[gnomedev@edison gnome-media]$ gdb gst-mixer GNU gdb Red Hat Linux (5.3.90-0.20030710.41rh) Copyright 2003 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/tls/libthread_db.so.1". (gdb) run Starting program: /opt/gnome25/bin/gst-mixer [Thread debugging using libthread_db enabled] [New Thread -1084379008 (LWP 18585)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1084379008 (LWP 18585)] 0x0804ac14 in create_mixer_collection (notebook=0x855f730) at mixer.c:336 336 for (n = 0; n < array->n_values; n++) { (gdb) bt #0 0x0804ac14 in create_mixer_collection (notebook=0x855f730) at mixer.c:336 #1 0x0804afa6 in main (argc=1, argv=0xbff86fb4) at mixer.c:494 (gdb)