#0  0x00007f04073a4c2b in discovered_cb (discoverer=<optimized out>, info=0x41bf4e0, error=<optimized out>, props=0x7f0410012740) at totem-properties-view.c:287
  282: 	else if (has_audio)
  283: 		label = N_("Audio");
  284: 	else
  285: 		label = N_("Video");
  286: 
  287: 	gtk_label_set_text (GTK_LABEL (props->priv->label), _(label));
  288: 
  289: 	/* Widgets */
  290: 	bacon_video_widget_properties_set_has_type (props->priv->props,
  291: 						    has_video,
  292: 						    has_audio);
#1  0x00007f041c15cd90 in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: ../src/x86/unix64.S was not found in source tree]
#2  0x00007f041c15c7f8 in ffi_call (cif=cif@entry=0x7fffe42205d0, fn=<optimized out>, rvalue=0x7fffe4220530, avalue=avalue@entry=0x7fffe42204d0) at ../src/x86/ffi64.c:525
  [Error: ../src/x86/ffi64.c was not found in source tree]
#3  0x00007f0421fbfae4 in 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
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c was not found in source tree]
#4  0x00007f0421fbf2d5 in 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
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c was not found in source tree]
#5  0x00007f0421fd103c in signal_emit_unlocked_R (node=node@entry=0x3e36b70, detail=detail@entry=0, instance=instance@entry=0x23f6b50, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffe4220800) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3549
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c was not found in source tree]
#6  0x00007f0421fd9698 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffe42209b0) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3305
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c was not found in source tree]
#7  0x00007f0421fd98ff in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3361
  [Error: /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c was not found in source tree]
#8  0x00007f040718f970 in discoverer_collect (dc=0x23f6b50) at gstdiscoverer.c:1264
  [Error: gstdiscoverer.c was not found in source tree]
#9  0x00007f040718fe19 in async_timeout_cb (dc=0x23f6b50, dc@entry=<error reading variable: value has been optimized out>) at gstdiscoverer.c:1584
  [Error: gstdiscoverer.c was not found in source tree]
#10 0x00007f0421cea5e3 in g_timeout_dispatch (source=0x3b53450, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:4545
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#11 0x00007f0421ce9b4d in g_main_dispatch (context=0x23eebe0) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3122
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#12 g_main_context_dispatch (context=context@entry=0x23eebe0) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3737
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#13 0x00007f0421ce9f20 in g_main_context_iterate (context=context@entry=0x23eebe0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3808
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#14 0x00007f0421ce9fcc in g_main_context_iteration (context=0x23eebe0, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3869
  [Error: /build/buildd/glib2.0-2.43.91/./glib/gmain.c was not found in source tree]
#15 0x00007f04222a9fac in g_application_run (application=0x23b7120, argc=argc@entry=2, argv=argv@entry=0x7fffe4220d88) at /build/buildd/glib2.0-2.43.91/./gio/gapplication.c:2308
  [Error: /build/buildd/glib2.0-2.43.91/./gio/gapplication.c was not found in source tree]
#16 0x000000000042b711 in main (argc=2, argv=0x7fffe4220d88) at nautilus-main.c:103
  [Error: nautilus-main.c was not found in source tree]