#0  magazine_chain_pop_head (magazine_chunks=0x1847b70) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:488
        chunk = <optimized out>
#1  thread_memory_magazine1_alloc (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:795
        mag = 0x1847b70
#2  g_slice_alloc (mem_size=104) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:833
        tmem = 0x1847b00
        ix = <optimized out>
        chunk_size = <optimized out>
        mem = <optimized out>
#3  0x00007f058b4066e6 in g_slice_alloc0 (mem_size=104) at /build/buildd/glib2.0-2.30.0/./glib/gslice.c:854
        mem = <optimized out>
#4  0x00007f05880506eb in _cogl_matrix_stack_new () at ./cogl-matrix-stack.c:141
        stack = <optimized out>
        state = <optimized out>
#5  0x00007f058806d0a0 in _cogl_framebuffer_init (framebuffer=0x487c340, ctx=0x1e5c350, type=COGL_FRAMEBUFFER_TYPE_OFFSCREEN, format=COGL_PIXEL_FORMAT_RGBA_8888_PRE, width=40, height=26) at ./cogl-framebuffer.c:155
No locals.
#6  0x00007f058806dc48 in _cogl_offscreen_new_to_texture_full (texhandle=0x2098a00, create_flags=<optimized out>, level=<optimized out>) at ./cogl-framebuffer.c:903
        ret = 0x1a
        fb = 0x487c340
        ctx = 0x1e5c350
        offscreen = 0x487c340
        flags = _TRY_DEPTH_STENCIL
        have_working_flags = 1
        i = <optimized out>
        data = {texture = 0x2098a00, level = 0, level_width = 40, level_height = 26}
        fbo_created = <optimized out>
        ctx = <optimized out>
#7  0x00007f058d2ae323 in setup_framebuffers (allocation=0x7fff40bfb020, transition=<optimized out>) at st/st-theme-node-transition.c:257
        clear_color = {private_member_red = 0 '\000', private_member_green = 0 '\000', private_member_blue = 0 '\000', private_member_alpha = 0 '\000', private_member_padding0 = 0, private_member_padding1 = 0, private_member_padding2 = 0}
        priv = 0x3284ca0
        width = 40
        material_template = 0x4839810
#8  st_theme_node_transition_paint (transition=<optimized out>, allocation=0x7fff40bfb020, paint_opacity=255 '\377') at st/st-theme-node-transition.c:330
        priv = 0x3284ca0
        constant = {private_member_red = 0 '\000', private_member_green = 0 '\000', private_member_blue = 0 '\000', private_member_alpha = 0 '\000', private_member_padding0 = 0, private_member_padding1 = 0, private_member_padding2 = 0}
        tex_coords = {0, 0, 1, 1, 0, 0, 1, 1}
        __PRETTY_FUNCTION__ = "st_theme_node_transition_paint"
#9  0x00007f058d2b2810 in st_widget_paint (actor=0x34334e0) at st/st-widget.c:424
        self = 0x34334e0
        theme_node = 0x31afaa0
        allocation = {x1 = 124, y1 = 0, x2 = 164, y2 = 26}
        opacity = <optimized out>
#10 0x00007f058d276124 in shell_generic_container_paint (actor=0x34334e0) at shell-generic-container.c:130
        self = 0x34334e0
        iter = <optimized out>
        children = <optimized out>
#11 0x00007f058b6aaffa in g_closure_invoke (closure=0x1e8e790, return_value=0x0, n_param_values=1, param_values=0x34d18e0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0x7f058b6a9940 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#12 0x00007f058b6bce5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x34334e0, emission_return=0x0, instance_and_params=0x34d18e0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x0
        emission = {next = 0x7fff40bfb880, instance = 0x34334e0, ihint = {signal_id = 204, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 51374864}
        class_closure = 0x1e8e790
        hlist = 0x346e898
        handler_list = 0x0
        return_accu = 0x0
        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}}}
        signal_id = 204
        max_sequential_handler_number = 13697
        return_value_altered = 0
#13 0x00007f058b6c66b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x34d18e0
        signal_return_type = 4
        param_values = 0x34d18f8
        node = 0x1e8e8b0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#14 0x00007f058b6c6852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff40bfb480, reg_save_area = 0x7fff40bfb3c0}}
#15 0x00007f058c4ae262 in clutter_actor_continue_paint (self=0x34334e0) at ./clutter-actor.c:3045
        priv = 0x3433520
        __PRETTY_FUNCTION__ = "clutter_actor_continue_paint"
#16 0x00007f058c4ba9fc in clutter_actor_paint (self=0x34334e0) at ./clutter-actor.c:2987
        priv = 0x3433520
        pick_mode = CLUTTER_PICK_NONE
        clip_set = 0
        shader_applied = 0
        __PRETTY_FUNCTION__ = "clutter_actor_paint"
#17 0x00007f058d289f71 in st_box_layout_paint (actor=0x197ace0) at st/st-box-layout.c:952
        child = <optimized out>
        self = <optimized out>
        priv = 0x197b100
        theme_node = 0x2261540
        l = <optimized out>
        children = <optimized out>
        x = 0
        y = 0
        allocation_box = {x1 = 1362, y1 = 0, x2 = 1680, y2 = 26}
        content_box = {x1 = 4, y1 = 0, x2 = 318, y2 = 26}
#18 0x00007f058b6aaffa in g_closure_invoke (closure=0x1e8e790, return_value=0x0, n_param_values=1, param_values=0x7f05543b0ae0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0x7f058b6a9940 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#19 0x00007f058b6bce5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x197ace0, emission_return=0x0, instance_and_params=0x7f05543b0ae0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x0
        emission = {next = 0x7fff40bfbf20, instance = 0x197ace0, ihint = {signal_id = 204, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 47981504}
        class_closure = 0x1e8e790
        hlist = 0x31d2638
        handler_list = 0x0
        return_accu = 0x0
        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}}}
        signal_id = 204
        max_sequential_handler_number = 13697
        return_value_altered = 0
#20 0x00007f058b6c66b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x7f05543b0ae0
        signal_return_type = 4
        param_values = 0x7f05543b0af8
        node = 0x1e8e8b0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#21 0x00007f058b6c6852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff40bfbb70, reg_save_area = 0x7fff40bfbab0}}
#22 0x00007f058c4ae262 in clutter_actor_continue_paint (self=0x197ace0) at ./clutter-actor.c:3045
        priv = 0x197ad20
        __PRETTY_FUNCTION__ = "clutter_actor_continue_paint"
#23 0x00007f058c4ba9fc in clutter_actor_paint (self=0x197ace0) at ./clutter-actor.c:2987
        priv = 0x197ad20
        pick_mode = CLUTTER_PICK_NONE
        clip_set = 0
        shader_applied = 0
        __PRETTY_FUNCTION__ = "clutter_actor_paint"
#24 0x00007f058d276178 in shell_generic_container_paint (actor=0x31d8000) at shell-generic-container.c:140
        child = 0x197ace0
        self = 0x31d8000
        iter = 0x7f057401ee00
        children = <optimized out>
#25 0x00007f058b6aaffa in g_closure_invoke (closure=0x1e8e790, return_value=0x0, n_param_values=1, param_values=0x7f05746a4aa0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0x7f058b6a9940 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#26 0x00007f058b6bce5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x31d8000, emission_return=0x0, instance_and_params=0x7f05746a4aa0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x0
        emission = {next = 0x7fff40bfc610, instance = 0x31d8000, ihint = {signal_id = 204, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 51374864}
        class_closure = 0x1e8e790
        hlist = 0x31ae9f8
        handler_list = 0x0
        return_accu = 0x0
        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}}}
        signal_id = 204
        max_sequential_handler_number = 13697
        return_value_altered = 0
#27 0x00007f058b6c66b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x7f05746a4aa0
        signal_return_type = 4
        param_values = 0x7f05746a4ab8
        node = 0x1e8e8b0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#28 0x00007f058b6c6852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff40bfc210, reg_save_area = 0x7fff40bfc150}}
#29 0x00007f058c4ae262 in clutter_actor_continue_paint (self=0x31d8000) at ./clutter-actor.c:3045
        priv = 0x31d8040
        __PRETTY_FUNCTION__ = "clutter_actor_continue_paint"
#30 0x00007f058c4ba9fc in clutter_actor_paint (self=0x31d8000) at ./clutter-actor.c:2987
        priv = 0x31d8040
        pick_mode = CLUTTER_PICK_NONE
        clip_set = 0
        shader_applied = 0
        __PRETTY_FUNCTION__ = "clutter_actor_paint"
#31 0x00007f058d289f71 in st_box_layout_paint (actor=0x3106770) at st/st-box-layout.c:952
        child = <optimized out>
        self = <optimized out>
        priv = 0x3106b90
        theme_node = 0x3677860
        l = <optimized out>
        children = <optimized out>
        x = 0
        y = 0
        allocation_box = {x1 = 0, y1 = 0, x2 = 1680, y2 = 26}
        content_box = {x1 = 0, y1 = 0, x2 = 1680, y2 = 26}
#32 0x00007f058b6aaffa in g_closure_invoke (closure=0x1e8e790, return_value=0x0, n_param_values=1, param_values=0x7f0554390f20, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0x7f058b6a9940 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#33 0x00007f058b6bce5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x3106770, emission_return=0x0, instance_and_params=0x7f0554390f20) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x0
        emission = {next = 0x7fff40bfccb0, instance = 0x3106770, ihint = {signal_id = 204, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 47981504}
        class_closure = 0x1e8e790
        hlist = 0x34cb518
        handler_list = 0x0
        return_accu = 0x0
        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}}}
        signal_id = 204
        max_sequential_handler_number = 13697
        return_value_altered = 0
#34 0x00007f058b6c66b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x7f0554390f20
        signal_return_type = 4
        param_values = 0x7f0554390f38
        node = 0x1e8e8b0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#35 0x00007f058b6c6852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff40bfc900, reg_save_area = 0x7fff40bfc840}}
#36 0x00007f058c4ae262 in clutter_actor_continue_paint (self=0x3106770) at ./clutter-actor.c:3045
        priv = 0x31067b0
        __PRETTY_FUNCTION__ = "clutter_actor_continue_paint"
#37 0x00007f058c4ba9fc in clutter_actor_paint (self=0x3106770) at ./clutter-actor.c:2987
        priv = 0x31067b0
        pick_mode = CLUTTER_PICK_NONE
        clip_set = 0
        shader_applied = 0
        __PRETTY_FUNCTION__ = "clutter_actor_paint"
#38 0x00007f058d276178 in shell_generic_container_paint (actor=0x3100d50) at shell-generic-container.c:140
        child = 0x3106770
        self = 0x3100d50
        iter = 0x31a9a00
        children = <optimized out>
#39 0x00007f058b6aaffa in g_closure_invoke (closure=0x1e8e790, return_value=0x0, n_param_values=1, param_values=0x1992ca0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0x7f058b6a9940 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#40 0x00007f058b6bce5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x3100d50, emission_return=0x0, instance_and_params=0x1992ca0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x0
        emission = {next = 0x7fff40bfd3a0, instance = 0x3100d50, ihint = {signal_id = 204, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 51374864}
        class_closure = 0x1e8e790
        hlist = 0x2ecaa78
        handler_list = 0x0
        return_accu = 0x0
        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}}}
        signal_id = 204
        max_sequential_handler_number = 13697
        return_value_altered = 0
#41 0x00007f058b6c66b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x1992ca0
        signal_return_type = 4
        param_values = 0x1992cb8
        node = 0x1e8e8b0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#42 0x00007f058b6c6852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff40bfcfa0, reg_save_area = 0x7fff40bfcee0}}
#43 0x00007f058c4ae262 in clutter_actor_continue_paint (self=0x3100d50) at ./clutter-actor.c:3045
        priv = 0x3100d90
        __PRETTY_FUNCTION__ = "clutter_actor_continue_paint"
#44 0x00007f058c4ba9fc in clutter_actor_paint (self=0x3100d50) at ./clutter-actor.c:2987
        priv = 0x3100d90
        pick_mode = CLUTTER_PICK_NONE
        clip_set = 0
        shader_applied = 0
        __PRETTY_FUNCTION__ = "clutter_actor_paint"
#45 0x00007f058b3e5b97 in g_list_foreach (list=<optimized out>, func=0x7f058c4ba6e0 <clutter_actor_paint>, user_data=0x0) at /build/buildd/glib2.0-2.30.0/./glib/glist.c:938
        next = 0x31ab060
#46 0x00007f058c4e79c2 in clutter_group_real_paint (actor=0x1e91ca0) at ./clutter-group.c:281
        priv = 0x1e92040
#47 0x00007f058c5081b1 in clutter_stage_paint (self=0x1e91ca0) at ./clutter-stage.c:634
        priv = 0x1e92050
        clear_flags = <optimized out>
        stage_color = {red = 34 '"', green = 102 'f', blue = 187 '\273', alpha = 255 '\377', padding0 = 0, padding1 = 2339030082, padding2 = 32517}
#48 0x00007f058b6ab0a4 in g_closure_invoke (closure=0x1e8e790, return_value=0x0, n_param_values=1, param_values=0x7f05540d2e20, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0x7f058b6a9940 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#49 0x00007f058b6bce5f in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x1e91ca0, emission_return=0x0, instance_and_params=0x7f05540d2e20) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x1e91ca0, ihint = {signal_id = 204, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 31967568}
        class_closure = 0x1e8e790
        hlist = 0x1fdac00
        handler_list = 0x1fdac00
        return_accu = 0x0
        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}}}
        signal_id = 204
        max_sequential_handler_number = 13697
        return_value_altered = 1
#50 0x00007f058b6c66b1 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x7f05540d2e20
        signal_return_type = 4
        param_values = 0x7f05540d2e38
        node = 0x1e8e8b0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#51 0x00007f058b6c6852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff40bfd690, reg_save_area = 0x7fff40bfd5d0}}
#52 0x00007f058c4ae262 in clutter_actor_continue_paint (self=0x1e91ca0) at ./clutter-actor.c:3045
        priv = 0x1e91ce0
        __PRETTY_FUNCTION__ = "clutter_actor_continue_paint"
#53 0x00007f058c4ba9fc in clutter_actor_paint (self=0x1e91ca0) at ./clutter-actor.c:2987
        priv = 0x1e91ce0
        pick_mode = CLUTTER_PICK_NONE
        clip_set = 0
        shader_applied = 0
        __PRETTY_FUNCTION__ = "clutter_actor_paint"
#54 0x00007f058c50c2f1 in _clutter_stage_do_paint (stage=0x1e91ca0, clip=0x0) at ./clutter-stage.c:574
        priv = <optimized out>
        clip_poly = {0, 0, 3360, 0, 3360, 1050, 0, 1050}
        geom = {x = 54736160, y = 0, width = 3360, height = 1050}
#55 0x00007f058c4a9212 in clutter_stage_cogl_redraw (stage_window=0x1e639e0) at ./cogl/clutter-stage-cogl.c:453
        stage_cogl = 0x1e639e0
        wrapper = 0x1e91ca0
        backend = <optimized out>
        backend_cogl = <optimized out>
        may_use_clipped_redraw = <optimized out>
        use_clipped_redraw = 0
        stage_x11 = 0x1e639e0
#56 0x00007f058c50af2a in clutter_stage_do_redraw (stage=0x1e91ca0) at ./clutter-stage.c:1023
        backend = 0x1858060
        actor = 0x1e91ca0
        priv = 0x1e92050
#57 _clutter_stage_do_update (stage=0x1e91ca0) at ./clutter-stage.c:1079
        priv = 0x1e92050
#58 0x00007f058c4f26c0 in clutter_clock_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at ./clutter-master-clock.c:384
        clock_source = <optimized out>
        master_clock = 0x198d380
        stage_manager = <optimized out>
        stages_updated = <optimized out>
        stages = 0x34a9c20
        l = 0x34a9c20
#59 0x00007f058b3eaa5d in g_main_dispatch (context=0x18609f0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
        dispatch = 0x7f058c4f25e0 <clutter_clock_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x1e93d60, next = 0x0}
        need_destroy = <optimized out>
        source = 0x1e93d60
        current = 0x304a3c0
        i = <optimized out>
#60 g_main_context_dispatch (context=0x18609f0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
No locals.
#61 0x00007f058b3eb258 in g_main_context_iterate (context=0x18609f0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
        max_priority = 150
        timeout = 0
        some_ready = 1
        nfds = 13
        allocated_nfds = <optimized out>
        fds = <optimized out>
#62 0x00007f058b3eb792 in g_main_loop_run (loop=0x18617e0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#63 0x00007f058cfd3cc1 in meta_run () at core/main.c:555
        log_domains = {0x0, 0x7f058d01bc6d "mutter", 0x7f058d01bc98 "Gtk", 0x7f058d01bc9c "Gdk", 0x7f058d01bca0 "GLib", 0x7f058d01bca5 "Pango", 0x7f058d01bcab "GLib-GObject", 0x7f058d01bcb8 "GThread"}
        i = <optimized out>
#64 0x0000000000402641 in main (argc=1, argv=0x7fff40bfddc8) at main.c:571
        ctx = <optimized out>
        error = 0x0
        session_type = <optimized out>
        ecode = <optimized out>
        sender = 0x198dd00