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Thread 1 (Thread 4547):
#0  0x0051d932 in g_logv () from /usr/lib/libglib-2.0.so.0
#1  0x0051dd06 in g_log () from /usr/lib/libglib-2.0.so.0
#2  0x00172241 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#3  0x00fc87a9 in _XError () from /usr/lib/libX11.so.6
#4  0x00fcedef in ?? () from /usr/lib/libX11.so.6
#5  0x00fcf476 in _XReply () from /usr/lib/libX11.so.6
#6  0x004a6de7 in XShapeGetRectangles () from /usr/lib/libXext.so.6
#7  0x0017ad75 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#8  0x0017b16c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#9  0x0014ae04 in gdk_window_shape_combine_mask ()
   from /usr/lib/libgdk-x11-2.0.so.0
#10 0x00db7da8 in gtk_widget_shape_combine_mask ()
   from /usr/lib/libgtk-x11-2.0.so.0
#11 0x08057ff1 in ?? ()
#12 0x003a611c in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#13 0x003980c2 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#14 0x003aeaa8 in ?? () from /usr/lib/libgobject-2.0.so.0
#15 0x003afe8d in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#16 0x003b0346 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#17 0x00db54dc in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x00db5539 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#19 0x00dc812c in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x003a611c in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#21 0x003980c2 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#22 0x003aeaa8 in ?? () from /usr/lib/libgobject-2.0.so.0
#23 0x003afe8d in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#24 0x003b01d2 in g_signal_emit_by_name () from /usr/lib/libgobject-2.0.so.0
#25 0x001754fc in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#26 0x00168c07 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#27 0x00169411 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#28 0x0016995f in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#29 0x00513bc8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0x00517470 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x005178df in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#32 0x00c78c49 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#33 0x0805e13d in main ()