StacktraceTop: g_menu_model_get_n_items (model=0x0) at /build/buildd/glib2.0-2.33.3/./gio/gmenumodel.c:504 gtk_application_window_update_shell_shows_app_menu (window=0x1af1000, settings=<optimized out>) at /build/buildd/gtk+3.0-3.5.6/./gtk/gtkapplicationwindow.c:299 gtk_application_window_real_realize (widget=0x1af1000) at /build/buildd/gtk+3.0-3.5.6/./gtk/gtkapplicationwindow.c:759 _g_closure_invoke_va (closure=0x162fc60, return_value=0x0, instance=0x1af1000, args=0x7fff2c18e788, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.33.3/./gobject/gclosure.c:840 g_signal_emit_valist (instance=0x1af1000, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff2c18e788) at /build/buildd/glib2.0-2.33.3/./gobject/gsignal.c:3211
StacktraceTop: model_get_ n_items (model=0x0) at /build/ buildd/ glib2.0- 2.33.3/ ./gio/gmenumode l.c:504 n_window_ update_ shell_shows_ app_menu (window=0x1af1000, settings=<optimized out>) at /build/ buildd/ gtk+3.0- 3.5.6/. /gtk/gtkapplica tionwindow. c:299 n_window_ real_realize (widget=0x1af1000) at /build/ buildd/ gtk+3.0- 3.5.6/. /gtk/gtkapplica tionwindow. c:759 invoke_ va (closure=0x162fc60, return_value=0x0, instance=0x1af1000, args=0x7fff2c18 e788, n_params=0, param_types=0x0) at /build/ buildd/ glib2.0- 2.33.3/ ./gobject/ gclosure. c:840 emit_valist (instance= 0x1af1000, signal_ id=<optimized out>, detail=0, var_args= var_args@ entry=0x7fff2c1 8e788) at /build/ buildd/ glib2.0- 2.33.3/ ./gobject/ gsignal. c:3211
g_menu_
gtk_applicatio
gtk_applicatio
_g_closure_
g_signal_