Comment 2 for bug 1033569

StacktraceTop:
 g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x506258 "nautilus-window-slot.c", line=line@entry=233, func=func@entry=0x50634e "real_active", message=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c:1861
 g_assertion_message_expr (domain=0x0, file=0x506258 "nautilus-window-slot.c", line=233, func=0x50634e "real_active", expr=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c:1872
 real_active (slot=0x2190820) at nautilus-window-slot.c:233
 g_closure_invoke (closure=0x2422fc0, return_value=0x0, n_param_values=1, param_values=0x7fff8c91ac20, invocation_hint=0x7fff8c91abc0) at /build/buildd/glib2.0-2.33.6/./gobject/gclosure.c:777
 signal_emit_unlocked_R (node=node@entry=0x2422d90, detail=detail@entry=0, instance=instance@entry=0x2190820, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff8c91ac20) at /build/buildd/glib2.0-2.33.6/./gobject/gsignal.c:3589