StacktraceTop: gtk_box_size_allocate (widget=<optimized out>, allocation=<optimized out>) at /build/buildd/gtk+3.0-3.8.2/./gtk/gtkbox.c:486 g_cclosure_marshal_VOID__BOXEDv (closure=0x7be200, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x7be560) at /build/buildd/glib2.0-2.37.1/./gobject/gmarshal.c:1160 _g_closure_invoke_va (closure=0x7be200, return_value=0x0, instance=0x7f91e4006a30, args=0x7fff890c2128, n_params=1, param_types=0x7be560) at /build/buildd/glib2.0-2.37.1/./gobject/gclosure.c:840 g_signal_emit_valist (instance=0x7f91e4006a30, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff890c2128) at /build/buildd/glib2.0-2.37.1/./gobject/gsignal.c:3234 g_signal_emit (instance=instance@entry=0x7f91e4006a30, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.1/./gobject/gsignal.c:3382
StacktraceTop: size_allocate (widget=<optimized out>, allocation= <optimized out>) at /build/ buildd/ gtk+3.0- 3.8.2/. /gtk/gtkbox. c:486 marshal_ VOID__BOXEDv (closure=0x7be200, return_ value=< optimized out>, instance=<optimized out>, args=<optimized out>, marshal_ data=<optimized out>, n_params=<optimized out>, param_types= 0x7be560) at /build/ buildd/ glib2.0- 2.37.1/ ./gobject/ gmarshal. c:1160 invoke_ va (closure=0x7be200, return_value=0x0, instance= 0x7f91e4006a30, args=0x7fff890c 2128, n_params=1, param_types= 0x7be560) at /build/ buildd/ glib2.0- 2.37.1/ ./gobject/ gclosure. c:840 emit_valist (instance= 0x7f91e4006a30, signal_ id=<optimized out>, detail=<optimized out>, var_args= var_args@ entry=0x7fff890 c2128) at /build/ buildd/ glib2.0- 2.37.1/ ./gobject/ gsignal. c:3234 instance@ entry=0x7f91e40 06a30, signal_ id=<optimized out>, detail= detail@ entry=0) at /build/ buildd/ glib2.0- 2.37.1/ ./gobject/ gsignal. c:3382
gtk_box_
g_cclosure_
_g_closure_
g_signal_
g_signal_emit (instance=