#0  IA__g_logv (log_domain=<value optimized out>, 
    log_level=G_LOG_LEVEL_ERROR, format=0xb5c2b6b3 "%s", args1=0xbfefe17c "")
    at /build/buildd/glib2.0-2.21.6/glib/gmessages.c:512
        depth = 0
        domain = <value optimized out>
        data = 0x0
        log_func = 0xb617d5f0 <IA__g_log_default_handler>
        domain_fatal_mask = 5
        test_level = G_LOG_FLAG_FATAL
        was_recursion = 0
        i = <value optimized out>
#1  0xb617e056 in IA__g_log (log_domain=0xb5c0db2b "Gdk", 
    log_level=G_LOG_LEVEL_ERROR, format=0xb5c2b6b3 "%s")
    at /build/buildd/glib2.0-2.21.6/glib/gmessages.c:526
No locals.
#2  0xb5bf6e81 in gdk_x_error (display=0xb790d800, error=0xbfefe24c)
    at /build/buildd/gtk+2.0-2.17.11/gdk/x11/gdkmain-x11.c:466
        buf = "BadWindow (invalid Window parameter)", '\0' <repeats 27 times>"\267, "
#3  0xb6328839 in _XError () from /usr/lib/libX11.so.6
No symbol table info available.
#4  0xb632f5ce in _XReply () from /usr/lib/libX11.so.6
No symbol table info available.
#5  0xb630d0b6 in XGetWindowProperty () from /usr/lib/libX11.so.6
No symbol table info available.
#6  0xb6923915 in ?? () from /usr/lib/xulrunner-1.9.1.3/libxul.so
No symbol table info available.
#7  0xb69239fa in ?? () from /usr/lib/xulrunner-1.9.1.3/libxul.so
No symbol table info available.
#8  0xb6923f7a in ?? () from /usr/lib/xulrunner-1.9.1.3/libxul.so
No symbol table info available.
#9  0xb691a7b2 in XRE_main () from /usr/lib/xulrunner-1.9.1.3/libxul.so
No symbol table info available.
#10 0x0804a02f in ?? ()
No symbol table info available.
#11 0xb7c38b56 in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
#12 0x08049881 in ?? ()
No symbol table info available.