#0  0xb73e2727 in gtk_path_bar_unmap (widget=0x0) at /build/buildd/gtk+3.0-3.1.10/./gtk/gtkpathbar.c:430
No locals.
#1  0xb70397e4 in g_type_check_class_cast (type_class=0x82550b0, is_a_type=1) at /build/buildd/glib2.0-2.29.14/./gobject/gtype.c:4012
No locals.
#2  0xb73ae4e2 in gtk_menu_get_monitor (menu=0xb7038f26) at /build/buildd/gtk+3.0-3.1.10/./gtk/gtkmenu.c:5760
        __PRETTY_FUNCTION__ = "gtk_menu_get_monitor"
#3  0x08255150 in ?? ()
No symbol table info available.
#4  0x083f8168 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)