StacktraceTop: g_type_check_instance_cast (type_instance=0x921dca0, iface_type=147557224) at /build/buildd/glib2.0-2.29.90/./gobject/gtype.c:3977 gtk_menu_popdown (menu=0x921dca0) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkmenu.c:1808 gtk_menu_deactivate (menu_shell=0x921dca0) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkmenu.c:4636 g_cclosure_marshal_VOID__VOID (closure=0x8cb8888, return_value=0x0, n_param_values=1, param_values=0x954c3c0, invocation_hint=0xbf502210, marshal_data=0xb7460e50) at /build/buildd/glib2.0-2.29.90/./gobject/gmarshal.c:85 g_type_class_meta_marshal (closure=0x8cb8888, return_value=0x0, n_param_values=1, param_values=0x954c3c0, invocation_hint=0xbf502210, marshal_data=0x1ec) at /build/buildd/glib2.0-2.29.90/./gobject/gclosure.c:885
StacktraceTop: check_instance_ cast (type_instance= 0x921dca0, iface_type= 147557224) at /build/ buildd/ glib2.0- 2.29.90/ ./gobject/ gtype.c: 3977 buildd/ gtk+3.0- 3.1.90/ ./gtk/gtkmenu. c:1808 deactivate (menu_shell= 0x921dca0) at /build/ buildd/ gtk+3.0- 3.1.90/ ./gtk/gtkmenu. c:4636 marshal_ VOID__VOID (closure=0x8cb8888, return_value=0x0, n_param_values=1, param_values= 0x954c3c0, invocation_ hint=0xbf502210 , marshal_ data=0xb7460e50 ) at /build/ buildd/ glib2.0- 2.29.90/ ./gobject/ gmarshal. c:85 class_meta_ marshal (closure=0x8cb8888, return_value=0x0, n_param_values=1, param_values= 0x954c3c0, invocation_ hint=0xbf502210 , marshal_data=0x1ec) at /build/ buildd/ glib2.0- 2.29.90/ ./gobject/ gclosure. c:885
g_type_
gtk_menu_popdown (menu=0x921dca0) at /build/
gtk_menu_
g_cclosure_
g_type_