#0  0x005ebff6 in IA__gdk_x11_window_set_user_time (window=0x0, timestamp=0)
    at /build/buildd/gtk+2.0-2.17.6/gdk/x11/gdkwindow-x11.c:3642
        display = <value optimized out>
        toplevel = <value optimized out>
        timestamp_long = 0
        xid = <value optimized out>
#1  0x080505b0 in ?? ()
#2  0x00000000 in ?? ()