#0  on_screen_size_changed (screen=0x1a3d130, manager=0x1a624e0) at msd-background-manager.c:272
        scr_num = 0
        old_size = <optimized out>
        new_size = <optimized out>
        manager = 0x1a624e0
        screen = 0x1a3d130
        p = <optimized out>
#1  0x00007f075e6d6504 in _g_closure_invoke_va (closure=0x1a3d130, closure@entry=0x1b0e130, return_value=return_value@entry=0x0, instance=0x1, instance@entry=0x1a3d130, args=0xffffffff, args@entry=0x7fff78c40e08, n_params=1160055008, param_types=0x0) at /build/buildd/glib2.0-2.43.91/./gobject/gclosure.c:831
        marshal = 0x0
        marshal_data = 0x7f07452508e0 <on_screen_size_changed>
        __FUNCTION__ = "_g_closure_invoke_va"
#2  0x00007f075e6effa7 in g_signal_emit_valist (instance=0x1a3d130, signal_id=<optimized out>, detail=0, var_args=0x7fff78c40e08) at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3214
        return_accu = <optimized out>
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x1a3d130, ihint = {signal_id = 6, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 27500736}
        signal_id = 6
        instance_type = <optimized out>
        emission_return = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = 0x1b0e130
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __FUNCTION__ = "g_signal_emit_valist"
#3  0x00007f075e6f0e4a in g_signal_emit_by_name (instance=instance@entry=0x1a3d130, detailed_signal=0x0, detailed_signal@entry=0x7f075dbabd58 "monitors-changed") at /build/buildd/glib2.0-2.43.91/./gobject/gsignal.c:3401
        var_args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff78c40f40, reg_save_area = 0x7fff78c40e50}}
        detail = 0
        signal_id = 6
        __FUNCTION__ = "g_signal_emit_by_name"
#4  0x00007f075db839ec in process_monitors_change (screen=0x1a3d130) at /build/buildd/gtk+2.0-2.24.27/gdk/x11/gdkscreen-x11.c:1163
        n_monitors = 1
        primary_monitor = 0
        screen_x11 = 0x1a3d130
        monitors = 0x1a3d670
        changed = <optimized out>
#5  _gdk_x11_screen_size_changed (screen=0x1a3d130, event=<optimized out>) at /build/buildd/gtk+2.0-2.24.27/gdk/x11/gdkscreen-x11.c:1198
        width = 1024
        height = 768
        display_x11 = <optimized out>
#6  0x00007f075db782f6 in gdk_event_translate (display=0x1a3b020, event=0x1b1e4e0, xevent=0x7fff78c41120, return_exposes=-1, return_exposes@entry=0) at /build/buildd/gtk+2.0-2.24.27/gdk/x11/gdkevents-x11.c:2174
        return_val = 2026115360
#7  0x00007f075db78ad6 in _gdk_events_queue (display=display@entry=0x1a3b020) at /build/buildd/gtk+2.0-2.24.27/gdk/x11/gdkevents-x11.c:2358
        node = 0x1b20880
        event = 0x1b1e4e0
        xevent = {type = 89, xany = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126}, xkey = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, root = 126, subwindow = 21407361, time = 21435472, x = 65536, y = 1, x_root = 1024, y_root = 768, state = 270, keycode = 203, same_screen = 167937}, xbutton = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, root = 126, subwindow = 21407361, time = 21435472, x = 65536, y = 1, x_root = 1024, y_root = 768, state = 270, button = 203, same_screen = 167937}, xmotion = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, root = 126, subwindow = 21407361, time = 21435472, x = 65536, y = 1, x_root = 1024, y_root = 768, state = 270, is_hint = -53 '\313', same_screen = 167937}, xcrossing = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, root = 126, subwindow = 21407361, time = 21435472, x = 65536, y = 1, x_root = 1024, y_root = 768, mode = 270, detail = 203, same_screen = 167937, focus = 5, state = 17006849}, xfocus = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, mode = 126, detail = 0}, xexpose = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, x = 126, y = 0, width = 21407361, height = 0, count = 21435472}, xgraphicsexpose = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, drawable = 126, x = 126, y = 0, width = 21407361, height = 0, count = 21435472, major_code = 0, minor_code = 65536}, xnoexpose = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, drawable = 126, major_code = 126, minor_code = 0}, xvisibility = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, state = 126}, xcreatewindow = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, parent = 126, window = 126, x = 21407361, y = 0, width = 21435472, height = 0, border_width = 65536, override_redirect = 1}, xdestroywindow = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126}, xunmap = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126, from_configure = 21407361}, xmap = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126, override_redirect = 21407361}, xmaprequest = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, parent = 126, window = 126}, xreparent = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126, parent = 21407361, x = 21435472, y = 0, override_redirect = 65536}, xconfigure = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126, x = 21407361, y = 0, width = 21435472, height = 0, border_width = 65536, above = 3298534884352, override_redirect = 270}, xgravity = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126, x = 21407361, y = 0}, xresizerequest = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, width = 126, height = 0}, xconfigurerequest = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, parent = 126, window = 126, x = 21407361, y = 0, width = 21435472, height = 0, border_width = 65536, above = 3298534884352, detail = 270, value_mask = 21475004417}, xcirculate = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, event = 126, window = 126, place = 21407361}, xcirculaterequest = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, parent = 126, window = 126, place = 21407361}, xproperty = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, atom = 126, time = 21407361, state = 21435472}, xselectionclear = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, selection = 126, time = 21407361}, xselectionrequest = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, owner = 126, requestor = 126, selection = 21407361, target = 21435472, property = 4295032832, time = 3298534884352}, xselection = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, requestor = 126, selection = 126, target = 21407361, property = 21435472, time = 4295032832}, xcolormap = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, colormap = 126, new = 21407361, state = 0}, xclient = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, message_type = 126, format = 21407361, data = {b = "P\024G\001\000\000\000\000\000\000\001\000\001\000\000\000\000\004\000", s = {5200, 327, 0, 0, 0, 1, 1, 0, 1024, 0}, l = {21435472, 4295032832, 3298534884352, 871878361358, 21475004417}}}, xmapping = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, request = 126, first_keycode = 0, count = 21407361}, xerror = {type = 89, display = 0x76, resourceid = 0, serial = 27456208, error_code = 126 '~', request_code = 0 '\000', minor_code = 0 '\000'}, xkeymap = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, window = 126, key_vector = "~\000\000\000\000\000\000\000\201\246F\001\000\000\000\000P\024G\001\000\000\000\000\000\000\001\000\001\000\000"}, xgeneric = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, extension = 126, evtype = 0}, xcookie = {type = 89, serial = 118, send_event = 0, display = 0x1a2f2d0, extension = 126, evtype = 0, cookie = 126, data = 0x146a681}, pad = {139668041498713, 118, 0, 27456208, 126, 126, 21407361, 21435472, 4295032832, 3298534884352, 871878361358, 21475004417, 17196876033, 21491847425, 3315715147149, 17179967489, 17196810497, 8657243137, 288089226609539, 16843009, 33751553, 17180033025, 17196876033, 17213587969}}
        xdisplay = 0x1a2f2d0
#8  0x00007f075db78b7e in gdk_event_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+2.0-2.24.27/gdk/x11/gdkevents-x11.c:2419
        display = 0x1a3b020
        event = <optimized out>
#9  0x00007f075e400c3d in g_main_dispatch (context=0x1a43110) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3122
        dispatch = 0x7f075db78b60 <gdk_event_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0x1a43020
        current = 0x1a61540
        i = 0
#10 g_main_context_dispatch (context=context@entry=0x1a43110) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3737
No locals.
#11 0x00007f075e400f20 in g_main_context_iterate (context=0x1a43110, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:3808
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 7
        fds = 0x1b21850
#12 0x00007f075e401242 in g_main_loop_run (loop=0x1b1f570) at /build/buildd/glib2.0-2.43.91/./glib/gmain.c:4002
        __FUNCTION__ = "g_main_loop_run"
#13 0x00007f075f641857 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.27/gtk/gtkmain.c:1282
        tmp_list = 0x0
        functions = 0x0
        init = <optimized out>
        loop = 0x1b1f570
#14 0x0000000000403d63 in main (argc=1, argv=0x7fff78c41508) at main.c:520
        manager = 0x1a6bb60
        bus = 0x1a8c738
        res = <optimized out>
        error = 0x0