ptkdev@archlinux:~$ gdb cheese
GNU gdb (GDB) 7.4.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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 "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/cheese...(no debugging symbols found)...done.
(gdb) r
Starting program: /usr/bin/cheese 
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3200.3-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
[New Thread 0xb5254b40 (LWP 2326)]
[Thread 0xb5254b40 (LWP 2326) exited]
[New Thread 0xb5254b40 (LWP 2327)]
[New Thread 0xb49bcb40 (LWP 2328)]
[New Thread 0xb3fffb40 (LWP 2329)]

(cheese:2323): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

(cheese:2323): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

(cheese:2323): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

(cheese:2323): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel

(cheese:2323): Gtk-WARNING **: Attempting to add a widget with type GtkGrid to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel

(cheese:2323): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel

** (cheese:2323): CRITICAL **: cheese_camera_device_get_uuid: assertion `CHEESE_IS_CAMERA_DEVICE (device)' failed

Program received signal SIGSEGV, Segmentation fault.
0xb73b1f78 in __strcmp_ia32 () from /lib/libc.so.6
(gdb) bt full
#0  0xb73b1f78 in __strcmp_ia32 () from /lib/libc.so.6
No symbol table info available.
#1  0xb7fa97fe in cheese_camera_setup () from /usr/lib/libcheese.so.3
No symbol table info available.
#2  0x0805c0b0 in cheese_main_window_setup_camera ()
No symbol table info available.
#3  0x0805d180 in cheese_main_on_app_activate ()
No symbol table info available.
#4  0xb75fe36f in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0xb75fc606 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0xb760e0f5 in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0xb76162d6 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0xb7616453 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#9  0xb76f97a9 in g_application_activate () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#10 0x0805cda5 in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#11 0xb76f9c16 in g_application_run () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#12 0x0805d3a2 in _vala_main ()
No symbol table info available.
#13 0x0805175c in main ()
No symbol table info available.