Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1218886176 (LWP 6724)]
0xb76ab7a7 in XCreateGC () from /usr/X11R6/lib/libX11.so.6
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(gdb) bt
#0  0xb76ab7a7 in XCreateGC () from /usr/X11R6/lib/libX11.so.6
#1  0xb6e8076e in qsincos () from /usr/lib/libqt- mt.so.3
#2  0xb6e81b20 in QPainter::updateBrush () from /usr/lib/libqt-mt.so.3
#3  0xb6f284a7 in QPainter::setBrush () from /usr/lib/libqt-mt.so.3
#4  0xb6f2abdb in QPainter::fillRect () from /usr/lib/libqt-mt.so.3
#5  0xb73acf37 in drawArrow ()
   from /usr/lib/gtk-2.0/2.4.0/engines/libqtengine.so
#6  0xb73a1bcb in qtengine_rc_style_register_type ()
   from /usr/lib/gtk-2.0/2.4.0/engines/libqtengine.so
#7  0xb7d8ace0 in gtk_paint_arrow () from /usr/lib/libgtk- x11-2.0.so.0
#8  0xb7c5fe7d in gtk_arrow_set () from /usr/lib/libgtk-x11-2.0.so.0
#9  0xb7d2dc0e in _gtk_marshal_BOOLEAN__BOXED ()
   from /usr/lib/libgtk-x11-2.0.so.0
#10 0xb798bf89 in g_cclosure_new_swap () from /usr/lib/libgobject- 2.0.so.0
#11 0xb798bcb5 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#12 0xb799d365 in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#13 0xb799c77a in g_signal_emit_valist () from /usr/lib/libgobject- 2.0.so.0
#14 0xb799cc26 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0xb7e1d587 in gtk_widget_send_expose () from /usr/lib/libgtk-x11-2.0.so.0
#16 0xb7ca35bc in gtk_container_propagate_expose ()
   from /usr/lib/libgtk- x11-2.0.so.0
#17 0xb7ca3291 in gtk_container_get_focus_hadjustment ()
   from /usr/lib/libgtk-x11-2.0.so.0