#0  XMoveResizeWindow (dpy=0xb1, w=w@entry=123732045, x=212, y=334, width=1101, height=662) at ../../src/ConfWind.c:43
  [Error: ConfWind.c was not found in source tree]
#1  0x0000000000423d5a in update_wireframe_window (xwindow=123732045, rect=rect@entry=0x7ffed0b8ae30, display=<optimized out>) at core/effects.c:271
  266: static void
  267: update_wireframe_window (MetaDisplay         *display,
  268:                          Window               xwindow,
  269:                          const MetaRectangle *rect)
  270: {
  271:   XMoveResizeWindow (display->xdisplay,
  272:                      xwindow,
  273:                      rect->x, rect->y,
  274:                      rect->width, rect->height);
  275: 
  276: #define OUTLINE_WIDTH 3
#2  0x0000000000423fb6 in effects_draw_box_animation_timeout (context=0x11b2d90, context@entry=<error reading variable: value has been optimized out>) at core/effects.c:412
  407:     draw_rect.width = 1;
  408:   if (draw_rect.height < 1)
  409:     draw_rect.height = 1;
  410: 
  411: #ifdef HAVE_SHAPE
  412:   update_wireframe_window (context->screen->display,
  413:                            context->wireframe_xwindow,
  414:                            &draw_rect);
  415: #else
  416:   context->last_rect = draw_rect;
  417: 
#3  0x00007f6ac1ba0913 in g_timeout_dispatch (source=0x12498d0, callback=<optimized out>, user_data=<optimized out>) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gmain.c:4577
  [Error: gmain.c was not found in source tree]
#4  0x00007f6ac1b9feaa in g_main_dispatch (context=0x1154800) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gmain.c:3154
  [Error: gmain.c was not found in source tree]
#5  g_main_context_dispatch (context=context@entry=0x1154800) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gmain.c:3769
  [Error: gmain.c was not found in source tree]
#6  0x00007f6ac1ba0250 in g_main_context_iterate (context=0x1154800, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gmain.c:3840
  [Error: gmain.c was not found in source tree]
#7  0x00007f6ac1ba0572 in g_main_loop_run (loop=0x1154b50) at /build/glib2.0-ajuDY6/glib2.0-2.46.1/./glib/gmain.c:4034
  [Error: gmain.c was not found in source tree]
#8  0x000000000040f601 in main (argc=1, argv=0x7ffed0b8b5f8) at core/main.c:579
  574:     meta_prefs_set_force_fullscreen (FALSE);
  575: 
  576:   if (!meta_display_open ())
  577:     meta_exit (META_EXIT_ERROR);
  578: 
  579:   g_main_loop_run (meta_main_loop);
  580: 
  581:   meta_finalize ();
  582: 
  583:   if (meta_restart_after_quit)
  584:     {