Comment 2 for bug 1495313

StacktraceTop:
 XGetImage (dpy=0x1ea9dd0, d=196, x=x@entry=0, y=y@entry=0, width=width@entry=1, height=height@entry=1, plane_mask=18446744073709551615, format=2) at ../../src/GetImage.c:75
 graphics_sync (context=0x21a0620) at core/effects.c:328
 effects_draw_box_animation_timeout (context=0x21a0620, context@entry=<error reading variable: value has been optimized out>) at core/effects.c:428
 g_timeout_dispatch (source=0x222e4d0, callback=<optimized out>, user_data=<optimized out>) at /build/glib2.0-hcw3A1/glib2.0-2.45.7/./glib/gmain.c:4577
 g_main_dispatch (context=0x1e8e800) at /build/glib2.0-hcw3A1/glib2.0-2.45.7/./glib/gmain.c:3154