#0  0x00007fb31bfc8dc1 in meta_display_list_windows (display=0x0) at core/display.c:823
  818:     return 0;
  819: }
  820: 
  821: GSList*
  822: meta_display_list_windows (MetaDisplay *display)
  823: {
  824:   GSList *winlist;
  825:   GSList *tmp;
  826:   GSList *prev;
  827: 
  828:   winlist = NULL;
#1  0x00007fb31bfca82d in meta_display_queue_retheme_all_windows (display=<optimized out>) at core/display.c:4164
  4159: meta_display_queue_retheme_all_windows (MetaDisplay *display)
  4160: {
  4161:   GSList* windows;
  4162:   GSList *tmp;
  4163: 
  4164:   windows = meta_display_list_windows (display);
  4165:   tmp = windows;
  4166:   while (tmp != NULL)
  4167:     {
  4168:       MetaWindow *window = tmp->data;
  4169: 
#2  0x00007fb31bfdddfc in emit_changed (pref=META_PREF_THEME) at core/prefs.c:840
  835: 
  836:   while (tmp != NULL)
  837:     {
  838:       MetaPrefsListener *l = tmp->data;
  839: 
  840:       (* l->func) (pref, l->data);
  841: 
  842:       tmp = tmp->next;
  843:     }
  844: 
  845:   g_list_free (copy);
#3  changed_idle_handler (data=<optimized out>) at core/prefs.c:866
  861:   tmp = copy;
  862:   while (tmp != NULL)
  863:     {
  864:       MetaPreference pref = GPOINTER_TO_INT (tmp->data);
  865: 
  866:       emit_changed (pref);
  867: 
  868:       tmp = tmp->next;
  869:     }
  870: 
  871:   g_list_free (copy);
#4  0x00007fb31c093208 in g_main_dispatch (context=0x55fb6399da00) at ../../../glib/gmain.c:3193
  [Error: gmain.c was not found in source tree]
#5  g_main_context_dispatch (context=context@entry=0x55fb6399da00) at ../../../glib/gmain.c:3858
  [Error: gmain.c was not found in source tree]
#6  0x00007fb31c0935f8 in g_main_context_iterate (context=0x55fb6399da00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:3931
  [Error: gmain.c was not found in source tree]
#7  0x00007fb31c0938e2 in g_main_loop_run (loop=0x55fb6399e000) at ../../../glib/gmain.c:4125
  [Error: gmain.c was not found in source tree]
#8  0x000055fb61d8b26c in main (argc=<optimized out>, argv=<optimized out>) at core/main.c:576
  571:     meta_prefs_set_force_fullscreen (FALSE);
  572: 
  573:   if (!meta_display_open ())
  574:     meta_exit (META_EXIT_ERROR);
  575: 
  576:   g_main_loop_run (meta_main_loop);
  577: 
  578:   meta_finalize ();
  579: 
  580:   if (meta_restart_after_quit)
  581:     {