Comment 2 for bug 1042070

StacktraceTop:
 g_menu_exporter_menu_prepare (menu=0x0) at /build/buildd/glib2.0-2.33.10/./gio/gmenuexporter.c:287
 g_menu_exporter_group_subscribe (builder=0x7fffc422a8f0, group=0x2dd4430) at /build/buildd/glib2.0-2.33.10/./gio/gmenuexporter.c:360
 g_menu_exporter_remote_subscribe (builder=0x7fffc422a8f0, group_id=10, remote=<optimized out>) at /build/buildd/glib2.0-2.33.10/./gio/gmenuexporter.c:472
 g_menu_exporter_subscribe (exporter=exporter@entry=0x2730740, sender=sender@entry=0x7fa4c8005d00 ":1.33", group_ids=group_ids@entry=0x2e0cf50) at /build/buildd/glib2.0-2.33.10/./gio/gmenuexporter.c:592
 g_menu_exporter_method_call (connection=<optimized out>, sender=0x7fa4c8005d00 ":1.33", object_path=<optimized out>, interface_name=interface_name@entry=0x7fa4c8005c80 "org.gtk.Menus", method_name=method_name@entry=0x7fa4c8005ce0 "Start", parameters=<optimized out>, invocation=invocation@entry=0x7fa4c800f860, user_data=user_data@entry=0x2730740) at /build/buildd/glib2.0-2.33.10/./gio/gmenuexporter.c:707