$ gdb gnome-settings-daemon 
GNU gdb (GDB) 7.4.1-debian
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/gnome-settings-daemon...(no debugging symbols found)...done.
(gdb) set pagination 0
(gdb) run
Starting program: /usr/bin/gnome-settings-daemon 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/i686/cmov/libthread_db.so.1".
[New Thread 0xb6df6b70 (LWP 20563)]
[New Thread 0xb63ffb70 (LWP 20564)]
[New Thread 0xb5bfeb70 (LWP 20565)]
[New Thread 0xb53fdb70 (LWP 20566)]
[Thread 0xb6df6b70 (LWP 20563) exited]

** (gnome-settings-daemon:20560): WARNING **: You can only run one xsettings manager at a time; exiting

** (gnome-settings-daemon:20560): WARNING **: Unable to start xsettings manager: Could not initialize xsettings manager.
[1356888682,000,xklavier.c:xkl_engine_start_listen/] 	The backend does not require manual layout management - but it is provided by the application
[New Thread 0xb6df6b70 (LWP 20568)]

Program received signal SIGSEGV, Segmentation fault.
0xb4a606e0 in gdk_device_manager_list_devices@plt () from /usr/lib/gnome-settings-daemon-3.0/libmouse.so
