#0  0x00007f40ad568549 in _cogl_check_extension () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libcogl.so.20
#1  0x00007f40ad570838 in _cogl_feature_check () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libcogl.so.20
#2  0x00007f40ad5adf42 in _cogl_winsys_renderer_connect () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libcogl.so.20
#3  0x00007f40ad567401 in cogl_renderer_connect () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libcogl.so.20
#4  0x00007f40ad85b9ef in clutter_backend_real_create_context () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
#5  0x00007f40ad874523 in _clutter_feature_init () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
#6  0x00007f40ad885979 in clutter_init_real () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
#7  0x00007f40ad885b80 in post_parse_hook () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
#8  0x00007f40cd103f17 in g_option_context_parse () from /tmp/apport_sandbox_0YGy1a/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f40ad886928 in clutter_init () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libclutter-1.0.so.0
#10 0x00007f40ae3b84fc in cheese_gtk_init (argc=argc@entry=0x0, argv=argv@entry=0x0) at libcheese/cheese-gtk.c:58
  [Error: cheese-gtk.c was not found in source tree]
#11 0x00007f40aec6cef3 in g_io_module_load (module=0x1df3860) at um-user-module.c:38
  33: {
  34:   bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
  35:   bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
  36: 
  37: #ifdef HAVE_CHEESE
  38:   cheese_gtk_init (NULL, NULL);
  39: #endif
  40: 
  41:   /* register the panel */
  42:   cc_user_panel_register (module);
  43: }
#12 0x00007f40cd673ef6 in g_io_module_load_module () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#13 0x00007f40cd3f66d1 in g_type_module_use () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007f40cd6742d5 in g_io_modules_load_all_in_directory_with_scope () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#15 0x000000000040a44a in load_panel_plugins (shell=0x1d97300) at gnome-control-center.c:1088
  1083: 
  1084:   shell->priv->extension_point
  1085:     = g_io_extension_point_register (CC_SHELL_PANEL_EXTENSION_POINT);
  1086: 
  1087:   /* load all the plugins in the panels directory */
  1088:   modules = g_io_modules_load_all_in_directory (PANELS_DIR);
  1089:   g_list_free (modules);
  1090: 
  1091:   /* hardcoded fallback from pre-multiarching */
  1092:   modules = g_io_modules_load_all_in_directory ("/usr/lib/control-center-1/panels");
  1093:   g_list_free (modules);
#16 gnome_control_center_init (self=0x1d97300) at gnome-control-center.c:1632
  1627: 
  1628:   /* load the available settings panels */
  1629:   setup_model (self);
  1630: 
  1631:   /* load the panels that are implemented as plugins */
  1632:   load_panel_plugins (self);
  1633: 
  1634:   /* setup search functionality */
  1635:   setup_search (self);
  1636: 
  1637:   setup_lock (self);
#17 0x00007f40cd3f3389 in g_type_create_instance () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#18 0x00007f40cd3d531b in g_object_new_internal () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007f40cd3d6c01 in g_object_newv () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007f40cd3d7534 in g_object_new () from /tmp/apport_sandbox_0YGy1a/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x000000000040ad79 in gnome_control_center_new () at gnome-control-center.c:1649
  1644: }
  1645: 
  1646: GnomeControlCenter *
  1647: gnome_control_center_new (void)
  1648: {
  1649:   return g_object_new (GNOME_TYPE_CONTROL_CENTER, NULL);
  1650: }
  1651: 
  1652: void
  1653: gnome_control_center_present (GnomeControlCenter *center)
  1654: {
#22 0x0000000000407546 in main (argc=2, argv=0x7fff42f0fbb8) at control-center.c:334
  329:   gtk_icon_size_register ("cc-sidebar-list", 24, 24);
  330: 
  331:   notify_init ("gnome-control-center");
  332:   g_setenv ("XDG_CURRENT_DESKTOP", "Unity", TRUE);
  333: 
  334:   shell = gnome_control_center_new ();
  335: 
  336:   /* enforce single instance of this application */
  337:   application = gtk_application_new ("org.gnome.ControlCenter", G_APPLICATION_HANDLES_COMMAND_LINE);
  338:   g_signal_connect (application, "startup",
  339:                     G_CALLBACK (application_startup_cb), shell);