Comment 2 for bug 1433984

StacktraceTop:
 discovered_cb (discoverer=<optimized out>, info=0x41bf4e0, error=<optimized out>, props=0x7f0410012740) at totem-properties-view.c:287
 ffi_call_unix64 () at ../src/x86/unix64.S:76
 ffi_call (cif=cif@entry=0x7fffe42205d0, fn=<optimized out>, rvalue=0x7fffe4220530, avalue=avalue@entry=0x7fffe42204d0) at ../src/x86/ffi64.c:525
 g_cclosure_marshal_generic (closure=0x36e8fd0, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c:1448
 g_closure_invoke (closure=0x36e8fd0, return_value=0x0, n_param_values=3, param_values=0x7fffe4220800, invocation_hint=0x7fffe42207a0) at /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c:768