#0  send_frame_messages_timeout (data=0x4141bb0, data@entry=<error reading variable: value has been optimized out>) at compositor/meta-window-actor.c:798
        self = 0x4141bb0
        priv = 0x4141800
        frame = 0x4196960
#1  0x00007fcf0460d4d3 in g_timeout_dispatch (source=0x36e7f80, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:4520
        timeout_source = 0x36e7f80
        again = <optimized out>
#2  0x00007fcf0460cab5 in g_main_dispatch (context=0xb064f0) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3111
        dispatch = 0x7fcf0460d4c0 <g_timeout_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x4141bb0
        callback = 0x7fcf0681d060 <send_frame_messages_timeout>
        cb_funcs = 0x7fcf048ce8e0 <g_source_callback_funcs>
        cb_data = 0x4119b20
        need_destroy = <optimized out>
        source = 0x36e7f80
        current = 0x7fcef0001d90
        i = 0
#3  g_main_context_dispatch (context=context@entry=0xb064f0) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3710
No locals.
#4  0x00007fcf0460ce18 in g_main_context_iterate (context=0xb064f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3781
        max_priority = 150
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 5
        fds = 0x25ab080
#5  0x00007fcf0460d0da in g_main_loop_run (loop=0xb06720) at /build/buildd/glib2.0-2.42.1/./glib/gmain.c:3975
        __FUNCTION__ = "g_main_loop_run"
#6  0x00007fcf06836221 in meta_run () at core/main.c:566
        log_domains = {0x0, 0x7fcf06888e01 "mutter", 0x7fcf06886ee3 "Gtk", 0x7fcf06886ee7 "Gdk", 0x7fcf06886eeb "GLib", 0x7fcf06886ef0 "Pango", 0x7fcf06886ef6 "GLib-GObject", 0x7fcf06886f03 "GThread"}
        i = <optimized out>
#7  0x0000000000419cf4 in gala_main (args=0x7fff1e426cd8, args_length1=1) at /build/buildd/gala-0.1.0~r432+pkg29~ubuntu14.04.1/src/Main.vala:61
        result = 0
        ctx = <optimized out>
        _tmp0_ = <optimized out>
        _tmp4_ = 0xaff140
        _tmp5_ = 0x0
        _tmp6_ = <optimized out>
        _tmp7_ = <optimized out>
        _tmp8_ = <optimized out>
        _tmp9_ = 0
        _inner_error_ = 0x0
#8  0x00007fcf03df4ec5 in __libc_start_main (main=0x4141c0 <main>, argc=1, argv=0x7fff1e426cd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1e426cc8) at libc-start.c:287
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8757294159690665285, 4276684, 140733701057744, 0, 0, 8757790267538993851, 8784782220447642299}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x43db20 <__libc_csu_init>, 0x7fff1e426cd8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4447008}}}
        not_first_call = <optimized out>
#9  0x00000000004141f5 in _start ()
No symbol table info available.