$ G_DEBUG=fatal_criticals gdb -ex run -ex bt src/clipit
GNU gdb (GDB) 7.2-ubuntu
Copyright (C) 2010 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 "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /PATH/TO/src/clipit...done.
Starting program: /PATH/TO/src/clipit 
[Thread debugging using libthread_db enabled]

Gtk-CRITICAL **: IA__gtk_window_set_accept_focus: assertion `GTK_IS_WINDOW (window)' failed
aborting...

Program received signal SIGABRT, Aborted.
0x00007ffff6533ba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
	in ../nptl/sysdeps/unix/sysv/linux/raise.c
#0  0x00007ffff6533ba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff65376b0 in abort () at abort.c:92
#2  0x00007ffff702bf0a in g_logv (log_domain=<value optimized out>, log_level=<value optimized out>, format=<value optimized out>, args1=0x7fffffffd450)
    at /build/buildd/glib2.0-2.26.1/glib/gmessages.c:557
#3  0x00007ffff702bfa3 in g_log (log_domain=0x46ea <Address 0x46ea out of bounds>, log_level=18154, format=0x6 <Address 0x6 out of bounds>)
    at /build/buildd/glib2.0-2.26.1/glib/gmessages.c:577
#4  0x00007ffff78fb96b in IA__gtk_menu_popup (menu=0x6b69d0, parent_menu_shell=0x0, parent_menu_item=<value optimized out>, 
    func=0x7ffff796bcb0 <IA__gtk_status_icon_position_menu>, data=0x71e0c0, button=<value optimized out>, activate_time=6347462)
    at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmenu.c:1500
#5  0x00007ffff6ddc410 in ?? () from /usr/lib/libappindicator.so.1
#6  0x00007ffff72d1a6e in g_closure_invoke (closure=0x74c340, return_value=0x0, n_param_values=1, param_values=0x78a820, invocation_hint=0x7fffffffd770)
    at /build/buildd/glib2.0-2.26.1/gobject/gclosure.c:766
#7  0x00007ffff72e7de7 in signal_emit_unlocked_R (node=0x731fd0, detail=<value optimized out>, instance=<value optimized out>, emission_return=<value optimized out>, 
    instance_and_params=<value optimized out>) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:3252
#8  0x00007ffff72e92a6 in g_signal_emit_valist (instance=0x71e0c0, signal_id=<value optimized out>, detail=0, var_args=0x7fffffffd960)
    at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2983
#9  0x00007ffff72e9863 in g_signal_emit (instance=0x46ea, signal_id=18154, detail=6) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:3040
#10 0x00007ffff796d8df in emit_activate_signal (status_icon=0x71e0c0, event=0x83e0a0) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkstatusicon.c:1277
#11 gtk_status_icon_button_press (status_icon=0x71e0c0, event=0x83e0a0) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkstatusicon.c:1744
#12 0x00007ffff78f89d8 in _gtk_marshal_BOOLEAN__BOXED (closure=0x7451d0, return_value=0x7fffffffdc10, n_param_values=<value optimized out>, param_values=0x74f470, 
    invocation_hint=<value optimized out>, marshal_data=0x7ffff796d860) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmarshalers.c:86
#13 0x00007ffff72d1a6e in g_closure_invoke (closure=0x7451d0, return_value=0x7fffffffdc10, n_param_values=2, param_values=0x74f470, invocation_hint=0x7fffffffdbd0)
    at /build/buildd/glib2.0-2.26.1/gobject/gclosure.c:766
#14 0x00007ffff72e7de7 in signal_emit_unlocked_R (node=0x6bbea0, detail=<value optimized out>, instance=<value optimized out>, emission_return=<value optimized out>, 
    instance_and_params=<value optimized out>) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:3252
#15 0x00007ffff72e90eb in g_signal_emit_valist (instance=0x6b6690, signal_id=<value optimized out>, detail=0, var_args=0x7fffffffddc0)
    at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:2993
#16 0x00007ffff72e9863 in g_signal_emit (instance=0x46ea, signal_id=18154, detail=6) at /build/buildd/glib2.0-2.26.1/gobject/gsignal.c:3040
---Type <return> to continue, or q <return> to quit---
#17 0x00007ffff7a116df in gtk_widget_event_internal (widget=0x6b6690, event=0x83e0a0) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkwidget.c:4985
#18 0x00007ffff78f0e73 in IA__gtk_propagate_event (widget=0x6b6690, event=0x83e0a0) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmain.c:2465
#19 0x00007ffff78f1f4b in IA__gtk_main_do_event (event=0x83e0a0) at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmain.c:1665
#20 0x00007ffff756b74c in gdk_event_dispatch (source=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>)
    at /build/buildd/gtk+2.0-2.22.0/gdk/x11/gdkevents-x11.c:2377
#21 0x00007ffff7021342 in g_main_dispatch (context=0x64e010) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2149
#22 g_main_context_dispatch (context=0x64e010) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2702
#23 0x00007ffff70252a8 in g_main_context_iterate (context=0x64e010, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2780
#24 0x00007ffff70257b5 in g_main_loop_run (loop=0x72fb70) at /build/buildd/glib2.0-2.26.1/glib/gmain.c:2988
#25 0x00007ffff78f23e7 in IA__gtk_main () at /build/buildd/gtk+2.0-2.22.0/gtk/gtkmain.c:1237
#26 0x0000000000406f0f in main (argc=1, argv=0x7fffffffe248) at main.c:945