#0  _int_malloc (av=0x7fc33d64b740, bytes=2) at malloc.c:3463
  [Error: malloc.c was not found in source tree]
#1  0x00007fc33d317925 in __GI___libc_malloc (bytes=2) at malloc.c:2924
  [Error: malloc.c was not found in source tree]
#2  0x00007fc33d8bc7d1 in g_malloc (n_bytes=n_bytes@entry=2) at /build/buildd/glib2.0-2.33.12/./glib/gmem.c:159
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmem.c was not found in source tree]
#3  0x00007fc33d8d322c in g_strdup (str=0x7fc341b45e10 "C") at /build/buildd/glib2.0-2.33.12/./glib/gstrfuncs.c:364
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gstrfuncs.c was not found in source tree]
#4  0x00007fc33d8d4d4c in g_strdupv (str_array=0x7fc341b46790) at /build/buildd/glib2.0-2.33.12/./glib/gstrfuncs.c:2439
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gstrfuncs.c was not found in source tree]
#5  0x00007fc33d8ad964 in g_key_file_init (key_file=key_file@entry=0x7fc34213ac50) at /build/buildd/glib2.0-2.33.12/./glib/gkeyfile.c:570
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gkeyfile.c was not found in source tree]
#6  0x00007fc33d8af1ad in g_key_file_new () at /build/buildd/glib2.0-2.33.12/./glib/gkeyfile.c:634
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gkeyfile.c was not found in source tree]
#7  0x00007fc318e6abbe in load_theme_file (path=path@entry=0x7fc34211cc30 "/home/anne/.local/share/sounds/__custom/index.theme", parent=parent@entry=0x7fc341b376b8) at gvc-sound-theme-chooser.c:341
  336:                  char      **parent)
  337: {
  338:         GKeyFile *file;
  339:         gboolean hidden;
  340: 
  341:         file = g_key_file_new ();
  342:         if (g_key_file_load_from_file (file, path, G_KEY_FILE_KEEP_TRANSLATIONS, NULL) == FALSE) {
  343:                 g_key_file_free (file);
  344:                 return FALSE;
  345:         }
  346:         /* Don't add hidden themes to the list */
#8  0x00007fc318e6b445 in load_theme_name (name=0x7fc342131220 "__custom", parent=0x7fc341b376b8) at gvc-sound-theme-chooser.c:375
  370:         guint                 i;
  371:         gboolean              res;
  372: 
  373:         data_dir = g_get_user_data_dir ();
  374:         path = g_build_filename (data_dir, "sounds", name, "index.theme", NULL);
  375:         res = load_theme_file (path, parent);
  376:         g_free (path);
  377:         if (res)
  378:                 return TRUE;
  379: 
  380:         data_dirs = g_get_system_data_dirs ();
#9  0x00007fc318e6b6de in update_theme (chooser=0x7fc341b375a0) at gvc-sound-theme-chooser.c:675
  670:                 chooser->priv->current_theme = g_strdup (NO_SOUNDS_THEME_NAME);
  671:         }
  672: 
  673:         if (g_strcmp0 (last_theme, chooser->priv->current_theme) != 0) {
  674:                 g_free (chooser->priv->current_parent);
  675:                 if (load_theme_name (chooser->priv->current_theme,
  676:                                      &chooser->priv->current_parent) == FALSE) {
  677:                         g_free (chooser->priv->current_theme);
  678:                         chooser->priv->current_theme = g_strdup (DEFAULT_THEME);
  679:                         load_theme_name (DEFAULT_THEME,
  680:                                          &chooser->priv->current_parent);
#10 0x00007fc33db790b7 in g_cclosure_marshal_VOID__STRINGv (closure=0x7fc34201c2c0, return_value=<optimized out>, instance=0x7fc341fca8f0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x7fc341fca6c0) at /build/buildd/glib2.0-2.33.12/./gobject/gmarshal.c:1004
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gmarshal.c was not found in source tree]
#11 0x00007fc33db76487 in _g_closure_invoke_va (closure=0x7fc34201c2c0, return_value=0x0, instance=0x7fc341fca8f0, args=0x7fff2f5b42e8, n_params=1, param_types=0x7fc341fca6c0) at /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c was not found in source tree]
#12 0x00007fc33db8ffd8 in g_signal_emit_valist (instance=0x7fc341fca8f0, signal_id=<optimized out>, detail=1943, var_args=var_args@entry=0x7fff2f5b42e8) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3211
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#13 0x00007fc33db90712 in g_signal_emit (instance=instance@entry=0x7fc341fca8f0, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#14 0x00007fc33e5ca3ac in g_settings_real_change_event (settings=0x7fc341fca8f0, keys=<optimized out>, n_keys=1) at /build/buildd/glib2.0-2.33.12/./gio/gsettings.c:288
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettings.c was not found in source tree]
#15 0x00007fc338ecabb8 in ffi_call_unix64 () at ../src/x86/unix64.S:75
  [Error: ../src/x86/unix64.S was not found in source tree]
#16 0x00007fc338eca5c0 in ffi_call (cif=cif@entry=0x7fff2f5b4650, fn=fn@entry=0x7fc33e5ca340 <g_settings_real_change_event>, rvalue=0x7fff2f5b4580, avalue=avalue@entry=0x7fff2f5b4520) at ../src/x86/ffi64.c:492
  [Error: ../src/x86/ffi64.c was not found in source tree]
#17 0x00007fc33db771ab in g_cclosure_marshal_generic_va (closure=0x7fc341fc9c80, return_value=0x7fff2f5b47c0, instance=0x7fc341fca8f0, args_list=<optimized out>, marshal_data=0x7fc33e5ca340, n_params=2, param_types=0x7fc341fc9cb0) at /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c:1550
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c was not found in source tree]
#18 0x00007fc33db76487 in _g_closure_invoke_va (closure=0x7fc341fc9c80, return_value=0x7fff2f5b47c0, instance=0x7fc341fca8f0, args=0x7fff2f5b4988, n_params=2, param_types=0x7fc341fc9cb0) at /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c was not found in source tree]
#19 0x00007fc33db8ffd8 in g_signal_emit_valist (instance=0x7fc341fca8f0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff2f5b4988) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3211
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#20 0x00007fc33db90712 in g_signal_emit (instance=instance@entry=0x7fc341fca8f0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#21 0x00007fc33e5cacde in settings_backend_changed (target=<optimized out>, backend=<optimized out>, key=<optimized out>, origin_tag=<optimized out>) at /build/buildd/glib2.0-2.33.12/./gio/gsettings.c:348
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettings.c was not found in source tree]
#22 0x00007fc33e5c6a6a in g_settings_backend_invoke_closure (user_data=0x7fc34213cd40) at /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c:271
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c was not found in source tree]
#23 0x00007fc33d8b7dc5 in g_main_context_invoke_full (context=0x7fc341b17700, priority=0, function=0x7fc33e5c6a50 <g_settings_backend_invoke_closure>, data=0x7fc34213cd40, notify=0) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:4987
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmain.c was not found in source tree]
#24 0x00007fc33d8b7f40 in g_main_context_invoke (context=<optimized out>, function=<optimized out>, data=<optimized out>) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:4948
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmain.c was not found in source tree]
#25 0x00007fc33e5c6b5a in g_settings_backend_dispatch_signal (backend=backend@entry=0x7fc341ed50c0, function_offset=function_offset@entry=0, name=name@entry=0x7fc34211e320 "/org/gnome/desktop/sound/event-sounds", data1=data1@entry=0x0, data1_copy=0x7fc33e5c6670 <pointer_id>, data1_copy@entry=0, data1_free=0x7fc33e5c6680 <pointer_ignore>, data1_free@entry=0, data2=data2@entry=0x0) at /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c:353
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c was not found in source tree]
#26 0x00007fc33e5c6f6a in g_settings_backend_changed (backend=0x7fc341ed50c0, key=0x7fc34211e320 "/org/gnome/desktop/sound/event-sounds", origin_tag=origin_tag@entry=0x0) at /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c:400
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c was not found in source tree]
#27 0x00007fc336c99c56 in dconf_engine_change_notify (engine=engine@entry=0x7fc341e18b30, prefix=<optimized out>, changes=<optimized out>, tag=tag@entry=0x0, origin_tag=origin_tag@entry=0x0, user_data=<optimized out>) at dconfsettingsbackend.c:235
  [Error: dconfsettingsbackend.c was not found in source tree]
#28 0x00007fc336c99d03 in dconf_engine_emit_changes (engine=engine@entry=0x7fc341e18b30, changeset=changeset@entry=0x7fc2fc0040d0, origin_tag=origin_tag@entry=0x0) at dconf-engine.c:871
  [Error: dconf-engine.c was not found in source tree]
#29 0x00007fc336c9acd1 in dconf_engine_change_fast (engine=0x7fc341e18b30, changeset=changeset@entry=0x7fc2fc0040d0, origin_tag=origin_tag@entry=0x0, error=error@entry=0x0) at dconf-engine.c:1064
  [Error: dconf-engine.c was not found in source tree]
#30 0x00007fc336c999a0 in dconf_settings_backend_write (backend=0x7fc341ed50c0, key=0x7fc342059bd0 "/org/gnome/desktop/sound/event-sounds", value=0x7fc2fc001890, origin_tag=0x0) at dconfsettingsbackend.c:66
  [Error: dconfsettingsbackend.c was not found in source tree]
#31 0x00007fc33e5c7502 in g_settings_backend_write (backend=0x7fc341ed50c0, key=key@entry=0x7fc342059bd0 "/org/gnome/desktop/sound/event-sounds", value=value@entry=0x7fc2fc001890, origin_tag=origin_tag@entry=0x0) at /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c:778
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettingsbackend.c was not found in source tree]
#32 0x00007fc33e5ca4d2 in g_settings_write_to_backend (settings=settings@entry=0x7fc341fca8f0, value=value@entry=0x7fc2fc001890, key=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.12/./gio/gsettings.c:1025
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettings.c was not found in source tree]
#33 0x00007fc33e5cbf00 in g_settings_set_value (settings=0x7fc341fca8f0, key=key@entry=0x7fc318e7a46c "event-sounds", value=0x7fc2fc001890) at /build/buildd/glib2.0-2.33.12/./gio/gsettings.c:1373
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettings.c was not found in source tree]
#34 0x00007fc33e5cc577 in g_settings_set_boolean (settings=<optimized out>, key=key@entry=0x7fc318e7a46c "event-sounds", value=value@entry=1) at /build/buildd/glib2.0-2.33.12/./gio/gsettings.c:1815
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gsettings.c was not found in source tree]
#35 0x00007fc318e6adae in save_theme_name (chooser=0x7fc341b375a0, theme_name=<optimized out>) at gvc-sound-theme-chooser.c:328
  323:         /* special case for no sounds */
  324:         if (strcmp (theme_name, NO_SOUNDS_THEME_NAME) == 0) {
  325:                 g_settings_set_boolean (chooser->priv->sound_settings, EVENT_SOUNDS_KEY, FALSE);
  326:                 return;
  327:         } else {
  328:                 g_settings_set_boolean (chooser->priv->sound_settings, EVENT_SOUNDS_KEY, TRUE);
  329:         }
  330: 
  331:         g_settings_set_string (chooser->priv->sound_settings, SOUND_THEME_KEY, theme_name);
  332: }
  333: 
#36 0x00007fc318e6af7d in update_alert (chooser=chooser@entry=0x7fc341b375a0, alert_id=<optimized out>) at gvc-sound-theme-chooser.c:433
  428:         } else if (is_custom && ! is_default) {
  429:                 save_alert_sounds (chooser, alert_id);
  430:         }
  431: 
  432:         if (add_custom) {
  433:                 save_theme_name (chooser, CUSTOM_THEME_NAME);
  434:         } else if (remove_custom) {
  435:                 delete_custom_theme_dir ();
  436:                 if (is_custom) {
  437:                         save_theme_name (chooser, chooser->priv->current_parent);
  438:                 }
#37 0x00007fc318e6b1a1 in on_treeview_selection_changed (selection=<optimized out>, chooser=0x7fc341b375a0) at gvc-sound-theme-chooser.c:519
  514:         if (id == NULL) {
  515:                 return;
  516:         }
  517: 
  518:         play_preview_for_id (chooser, id);
  519:         update_alert (chooser, id);
  520:         g_free (id);
  521: }
  522: 
  523: static gboolean
  524: on_treeview_button_pressed (GtkTreeView          *treeview,
#38 0x00007fc33db763bb in _g_closure_invoke_va (closure=0x7fc341ba16f0, return_value=0x0, instance=0x7fc341fca940, args=0x7fff2f5b5138, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c was not found in source tree]
#39 0x00007fc33db8ffd8 in g_signal_emit_valist (instance=0x7fc341fca940, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff2f5b5138) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3211
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#40 0x00007fc33db90712 in g_signal_emit (instance=instance@entry=0x7fc341fca940, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#41 0x00007fc33f0f327d in _gtk_tree_selection_internal_select_node (selection=selection@entry=0x7fc341fca940, node=<optimized out>, tree=<optimized out>, path=path@entry=0x7fc342123db0, mode=<optimized out>, override_browse_mode=override_browse_mode@entry=0) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c:1604
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c was not found in source tree]
#42 0x00007fc33f0f37d9 in gtk_tree_selection_select_path (selection=selection@entry=0x7fc341fca940, path=path@entry=0x7fc342123db0) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c:907
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c was not found in source tree]
#43 0x00007fc33f0f38b1 in gtk_tree_selection_select_iter (selection=0x7fc341fca940, iter=<optimized out>) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c:985
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c was not found in source tree]
#44 0x00007fc318e6af30 in update_alert_model (id=0x7fc34207a370 "/usr/share/sounds/gnome/default/alerts/bark.ogg", chooser=0x7fc341b375a0) at gvc-sound-theme-chooser.c:307
  302: 
  303:                 if (strcmp (this_id, id) == 0) {
  304:                         GtkTreeSelection *selection;
  305: 
  306:                         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (chooser->priv->treeview));
  307:                         gtk_tree_selection_select_iter (selection, &iter);
  308:                 }
  309: 
  310:                 g_free (this_id);
  311:         } while (gtk_tree_model_iter_next (model, &iter));
  312: }
#45 update_alert (chooser=chooser@entry=0x7fc341b375a0, alert_id=<optimized out>) at gvc-sound-theme-chooser.c:441
  436:                 if (is_custom) {
  437:                         save_theme_name (chooser, chooser->priv->current_parent);
  438:                 }
  439:         }
  440: 
  441:         update_alert_model (chooser, alert_id);
  442: }
  443: 
  444: static void
  445: play_preview_for_id (GvcSoundThemeChooser *chooser,
  446:                      const char           *id)
#46 0x00007fc318e6b1a1 in on_treeview_selection_changed (selection=<optimized out>, chooser=0x7fc341b375a0) at gvc-sound-theme-chooser.c:519
  514:         if (id == NULL) {
  515:                 return;
  516:         }
  517: 
  518:         play_preview_for_id (chooser, id);
  519:         update_alert (chooser, id);
  520:         g_free (id);
  521: }
  522: 
  523: static gboolean
  524: on_treeview_button_pressed (GtkTreeView          *treeview,
#47 0x00007fc33db76487 in _g_closure_invoke_va (closure=0x7fc341ba16f0, return_value=0x0, instance=0x7fc341fca940, args=0x7fff2f5b5648, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c was not found in source tree]
#48 0x00007fc33db8ffd8 in g_signal_emit_valist (instance=0x7fc341fca940, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff2f5b5648) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3211
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#49 0x00007fc33db90712 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#50 0x00007fc33f0f327d in _gtk_tree_selection_internal_select_node (selection=<optimized out>, node=<optimized out>, tree=<optimized out>, path=path@entry=0x7fc34211e9b0, mode=<optimized out>, override_browse_mode=override_browse_mode@entry=0) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c:1604
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeselection.c was not found in source tree]
#51 0x00007fc33f1098d3 in gtk_tree_view_real_set_cursor (tree_view=tree_view@entry=0x7fc341fb6be0, path=path@entry=0x7fc34211e9b0, flags=flags@entry=3) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeview.c:13235
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeview.c was not found in source tree]
#52 0x00007fc33f10db0c in gtk_tree_view_button_press (widget=widget@entry=0x7fc341fb6be0, event=0x7fc342126460) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeview.c:3129
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtktreeview.c was not found in source tree]
#53 0x00007fc33efe0b2c in _gtk_marshal_BOOLEAN__BOXED (closure=0x7fc341afb240, return_value=0x7fff2f5b59b0, n_param_values=<optimized out>, param_values=0x7fff2f5b5a60, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmarshalers.c:85
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmarshalers.c was not found in source tree]
#54 0x00007fc33db761c0 in g_closure_invoke (closure=0x7fc341afb240, return_value=0x7fff2f5b59b0, n_param_values=2, param_values=0x7fff2f5b5a60, invocation_hint=0x7fff2f5b5a00) at /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c:777
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gclosure.c was not found in source tree]
#55 0x00007fc33db87fb0 in signal_emit_unlocked_R (node=node@entry=0x7fc341afb290, detail=detail@entry=0, instance=instance@entry=0x7fc341fb6be0, emission_return=emission_return@entry=0x7fff2f5b5b30, instance_and_params=instance_and_params@entry=0x7fff2f5b5a60) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3589
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#56 0x00007fc33db8fc3a in g_signal_emit_valist (instance=0x7fc341fb6be0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff2f5b5cb8) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3310
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#57 0x00007fc33db90712 in g_signal_emit (instance=instance@entry=0x7fc341fb6be0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.33.12/./gobject/gsignal.c was not found in source tree]
#58 0x00007fc33f12819e in gtk_widget_event_internal (widget=widget@entry=0x7fc341fb6be0, event=event@entry=0x7fc342126460) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtkwidget.c:6316
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtkwidget.c was not found in source tree]
#59 0x00007fc33f1285b9 in gtk_widget_event (widget=widget@entry=0x7fc341fb6be0, event=event@entry=0x7fc342126460) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtkwidget.c:5973
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtkwidget.c was not found in source tree]
#60 0x00007fc33efdea55 in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x7fc341fb6be0) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmain.c:2405
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmain.c was not found in source tree]
#61 propagate_event (widget=<optimized out>, event=0x7fc342126460, captured=<optimized out>, topmost=0x0) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmain.c:2505
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmain.c was not found in source tree]
#62 0x00007fc33efe07d3 in gtk_main_do_event (event=0x7fc342126460) at /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmain.c:1718
  [Error: /build/buildd/gtk+3.0-3.5.16/./gtk/gtkmain.c was not found in source tree]
#63 0x00007fc33ec00032 in gdk_event_source_dispatch (source=source@entry=0x7fc341b39d20, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.5.16/./gdk/x11/gdkeventsource.c:358
  [Error: /build/buildd/gtk+3.0-3.5.16/./gdk/x11/gdkeventsource.c was not found in source tree]
#64 0x00007fc33d8b6b15 in g_main_dispatch (context=0x7fc341b17700) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:2715
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmain.c was not found in source tree]
#65 g_main_context_dispatch (context=context@entry=0x7fc341b17700) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:3219
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmain.c was not found in source tree]
#66 0x00007fc33d8b6e48 in g_main_context_iterate (context=context@entry=0x7fc341b17700, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:3290
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmain.c was not found in source tree]
#67 0x00007fc33d8b6f04 in g_main_context_iteration (context=0x7fc341b17700, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:3351
  [Error: /build/buildd/glib2.0-2.33.12/./glib/gmain.c was not found in source tree]
#68 0x00007fc33e5b873c in g_application_run (application=0x7fc341df3620, argc=argc@entry=2, argv=argv@entry=0x7fff2f5b60e8) at /build/buildd/glib2.0-2.33.12/./gio/gapplication.c:1607
  [Error: /build/buildd/glib2.0-2.33.12/./gio/gapplication.c was not found in source tree]
#69 0x00007fc33ff888da in main (argc=2, argv=0x7fff2f5b60e8) at control-center.c:207
  202:   g_signal_connect (application, "startup",
  203:                     G_CALLBACK (application_startup_cb), shell);
  204:   g_signal_connect (application, "command-line",
  205:                     G_CALLBACK (application_command_line_cb), shell);
  206: 
  207:   status = g_application_run (G_APPLICATION (application), argc, argv);
  208: 
  209:   g_object_unref (application);
  210: 
  211:   return status;
  212: }