#0  0x00b39416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0101e1ef in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = 18423796
        selftid = 2189
#2  0x01021835 in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x5e, sa_sigaction = 0x5e}, sa_mask = {__val = {93, 17137180, 561169720, 94, 3213432772, 561169720, 0, 7, 18423796, 16879808, 18428128, 3213432732, 16716, 17224285, 4222451712, 561169720, 561169720, 561169720, 561169720, 561169813, 561169820, 561169720, 561169820, 0, 0, 0, 0, 0, 16871189, 0, 18057587, 553648128}}, sa_flags = 0, sa_restorer = 0x48}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x01017095 in __assert_fail_base (fmt=0x1150858 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0xc7ad79 "ret != inval_id", file=0xc7acea "../../src/xcb_io.c", line=528, function=0xc7adfe "_XAllocID") at assert.c:94
        str = 0x2172c538 "p$\031\001p$\031\001ntrol-center: ../../src/xcb_io.c:528: _XAllocID: Assertion `ret != inval_id' failed.\n"
        total = 4096
#4  0x01017147 in __GI___assert_fail (assertion=0xc7ad79 "ret != inval_id", file=0xc7acea "../../src/xcb_io.c", line=528, function=0xc7adfe "_XAllocID") at assert.c:103
No locals.
#5  0x00c0350f in _XAllocID (dpy=0x2155f750) at ../../src/xcb_io.c:528
        ret = 4294967295
        __PRETTY_FUNCTION__ = "_XAllocID"
#6  0x00be0e72 in XCreatePixmap (dpy=0x2155f750, d=48235929, width=256, height=256, depth=32) at ../../src/CrPixmap.c:56
        pid = <optimized out>
        req = 0x21565c38
#7  0x00f07b65 in _cairo_xlib_surface_create_similar (abstract_src=0x218ae6b8, content=CAIRO_CONTENT_COLOR_ALPHA, width=256, height=256) at /build/buildd/cairo-1.10.2/src/cairo-xlib-surface.c:393
        visual = <optimized out>
        src = 0x218ae6b8
        xrender_format = 0x215d50f8
        surface = <optimized out>
        display = 0x217624d8
        pix = <optimized out>
#8  0x00ee97e0 in _cairo_surface_create_similar_scratch (other=0x218ae6b8, content=CAIRO_CONTENT_COLOR_ALPHA, width=256, height=256) at /build/buildd/cairo-1.10.2/src/cairo-surface.c:461
        surface = <optimized out>
#9  0x00ee988b in _cairo_surface_create_similar_solid (other=0x218ae6b8, content=CAIRO_CONTENT_COLOR_ALPHA, width=256, height=256, color=0xf3c520, allow_fallback=1) at /build/buildd/cairo-1.10.2/src/cairo-surface.c:528
        status = <optimized out>
        surface = <optimized out>
        pattern = {base = {type = 15408931, ref_count = {ref_count = 560938832}, status = 560938832, user_data = {size = 2147483648, num_elements = 0, element_size = 2147483648, elements = 0xf623e0, is_snapshot = 0}, matrix = {xx = 7.9713203466679228e-317, yx = 5.4323092248710971e-312, xy = 7.5896477183365181e-317, yy = 2.1219957909652723e-314, x0 = 7.9713203466679228e-317, y0 = 5.2998088236266445e-315}, filter = CAIRO_FILTER_FAST, extend = CAIRO_EXTEND_NONE, has_component_alpha = 0}, color = {red = 1, green = -0, blue = 3.1301174354381497e-304, alpha = -0.012256980918539426, red_short = 34616, green_short = 8598, blue_short = 45044, alpha_short = 188}}
#10 0x00eb1b19 in INT_cairo_push_group_with_content (cr=0xf63ea8, content=CAIRO_CONTENT_COLOR_ALPHA) at /build/buildd/cairo-1.10.2/src/cairo.c:689
        parent_surface = 0x218ae6b8
        clip_extents = <optimized out>
        extents = {x = 0, y = 0, width = 256, height = 256}
        matrix = {xx = 0, yx = 7.6322356829423877e-317, xy = 2.7854200177505477e-315, yy = 3.08637908906833e-304, x0 = 5.6608686827083931e-148, y0 = 3.040223695609154e-308}
        group_surface = <optimized out>
        clip = <optimized out>
        status = <optimized out>
#11 0x00ba4723 in gdk_window_update_icon (icon_list=0x0, window=0x21818aa0) at /build/buildd/gtk+3.0-3.3.20/./gdk/x11/gdkwindow-x11.c:3282
        width = 256
        height = 256
        cr = 0xf63ea8
        toplevel = 0x2186cf78
        best_icon = 0x215cf418
        tmp_list = 0x0
        best_size = <optimized out>
#12 gdk_x11_window_set_icon_list (pixbufs=0x0, window=0x21818aa0) at /build/buildd/gtk+3.0-3.3.20/./gdk/x11/gdkwindow-x11.c:3412
        pixbuf = <optimized out>
        y = <optimized out>
        pixels = <optimized out>
        size = <optimized out>
        width = <optimized out>
        stride = <optimized out>
        n_channels = <optimized out>
        display = 0x2156b090
        n = <optimized out>
        data = 0x219e8748
        p = <optimized out>
        l = <optimized out>
        height = <optimized out>
        x = <optimized out>
#13 gdk_x11_window_set_icon_list (window=0x21818aa0, pixbufs=0x21790930) at /build/buildd/gtk+3.0-3.3.20/./gdk/x11/gdkwindow-x11.c:3309
No locals.
#14 0x00b7942d in gdk_window_set_icon_list (window=0x21818aa0, pixbufs=0x21790930) at /build/buildd/gtk+3.0-3.3.20/./gdk/gdkwindow.c:10534
No locals.
#15 0x004fefb0 in gtk_window_realize_icon (window=0x2156b178) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtkwindow.c:3610
        priv = 0x2156b200
        widget = 0x2156b178
        info = 0x21617a00
        gdk_window = <optimized out>
        icon_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_window_realize_icon"
#16 0x009dc38c in g_cclosure_marshal_VOID__VOID (closure=0x2186e890, return_value=0x0, n_param_values=1, param_values=0xbf891d00, invocation_hint=0xbf891c80, marshal_data=0x0) at /build/buildd/glib2.0-2.31.22/./gobject/gmarshal.c:85
        callback = 0x4ff100 <update_themed_icon>
        cc = 0x2186e890
        data1 = 0x21656a18
        data2 = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID"
#17 0x009da624 in g_closure_invoke (closure=0x2186e890, return_value=0x0, n_param_values=1, param_values=0xbf891d00, invocation_hint=0xbf891c80) at /build/buildd/glib2.0-2.31.22/./gobject/gclosure.c:777
        marshal = 0x9dc300 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x2186e880
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#18 0x009ed029 in signal_emit_unlocked_R (node=0x2160ee88, detail=0, instance=0x21656a18, emission_return=0x0, instance_and_params=0xbf891d00) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x2186dcc0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x21656a18, ihint = {signal_id = 235, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x2160ee70
        hlist = 0x2160e870
        handler_list = 0x216682c0
        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 = 235
        max_sequential_handler_number = 1153
        return_value_altered = 1
#19 0x009f587f in g_signal_emit_valist (instance=0x21656a18, signal_id=235, detail=0, var_args=0xbf891efc "\364/n") at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3296
        instance_and_params = 0xbf891d00
        signal_return_type = 4
        param_values = 0xbf891d14
        node = 0x2160ee88
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#20 0x009f5a83 in g_signal_emit (instance=0x21656a18, signal_id=235, detail=0) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3352
        var_args = 0xbf891efc "\364/n"
#21 0x0034fc73 in do_theme_change (icon_theme=0x21656a18) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtkicontheme.c:719
        priv = 0x21656a28
#22 0x0034fe9d in update_current_theme (icon_theme=0x21656a18) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtkicontheme.c:525
        theme = 0x218d2e48 "ubuntu-mono-dark"
        fallback_theme = 0x215419c0 "h\003]!\350\213m!\020"
        changed = <optimized out>
        priv = 0x21656a28
#23 0x009dd41a in g_cclosure_marshal_VOID__PARAM (closure=0x2160f148, return_value=0x0, n_param_values=2, param_values=0xbf892130, invocation_hint=0xbf8920b0, marshal_data=0x0) at /build/buildd/glib2.0-2.31.22/./gobject/gmarshal.c:1042
        callback = 0x34ff30 <theme_changed>
        cc = 0x2160f148
        data1 = 0x21551990
        data2 = 0x21656a18
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__PARAM"
#24 0x009da624 in g_closure_invoke (closure=0x2160f148, return_value=0x0, n_param_values=2, param_values=0xbf892130, invocation_hint=0xbf8920b0) at /build/buildd/glib2.0-2.31.22/./gobject/gclosure.c:777
        marshal = 0x9dd370 <g_cclosure_marshal_VOID__PARAM>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x2160f138
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#25 0x009ed029 in signal_emit_unlocked_R (node=0x21542198, detail=719, instance=0x21551990, emission_return=0x0, instance_and_params=0xbf892130) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x21668360
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x21551990, ihint = {signal_id = 1, detail = 719, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x2153bd58
        hlist = 0x2156ae98
        handler_list = 0x216598e0
        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 = 1
        max_sequential_handler_number = 1153
        return_value_altered = 1
#26 0x009f587f in g_signal_emit_valist (instance=0x21551990, signal_id=1, detail=719, var_args=0xbf892340 "\220\031U!P") at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3296
        instance_and_params = 0xbf892130
        signal_return_type = 4
        param_values = 0xbf892144
        node = 0x21542198
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#27 0x009f5a83 in g_signal_emit (instance=0x21551990, signal_id=1, detail=719) at /build/buildd/glib2.0-2.31.22/./gobject/gsignal.c:3352
        var_args = 0xbf89233c "\300RW!\220\031U!P"
#28 0x009defbf in g_object_dispatch_properties_changed (object=0x21551990, n_pspecs=1, pspecs=0xbf89238c) at /build/buildd/glib2.0-2.31.22/./gobject/gobject.c:1041
        i = <optimized out>
#29 0x009e0d80 in g_object_notify_by_spec_internal (pspec=0x215752c0, object=0x21551990) at /build/buildd/glib2.0-2.31.22/./gobject/gobject.c:1133
        nqueue = 0x0
        notify_pspec = 0x215752c0
#30 g_object_notify (object=0x21551990, property_name=0x586c9b "gtk-icon-theme-name") at /build/buildd/glib2.0-2.31.22/./gobject/gobject.c:1175
        pspec = 0x215752c0
        __PRETTY_FUNCTION__ = "g_object_notify"
#31 0x00416dd7 in _gtk_settings_handle_event (event=0x21912988) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtksettings.c:2542
        screen = 0x2156e038
        settings = 0x21551990
        pspec = <optimized out>
        property_id = <optimized out>
#32 0x00385165 in gtk_main_do_event (event=0x21912988) at /build/buildd/gtk+3.0-3.3.20/./gtk/gtkmain.c:1498
        event_widget = <optimized out>
        grab_widget = 0x0
        topmost_widget = 0x0
        window_group = <optimized out>
        rewritten_event = 0x0
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#33 0x00b62ddc in _gdk_event_emit (event=0x21912988) at /build/buildd/gtk+3.0-3.3.20/./gdk/gdkevents.c:69
No locals.
#34 0x00b90fd8 in gdk_event_source_dispatch (source=0x21577920, callback=0, user_data=0x0) at /build/buildd/gtk+3.0-3.3.20/./gdk/x11/gdkeventsource.c:358
        display = <optimized out>
        event = 0x21912988
#35 0x0088fd7a in g_main_dispatch (context=0x21546910) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:2515
        dispatch = 0xb90fa0 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x21577920, next = 0x0}
        need_destroy = <optimized out>
        source = 0x21577920
        current = 0x216b5700
        i = <optimized out>
#36 g_main_context_dispatch (context=0x21546910) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3052
No locals.
#37 0x00890185 in g_main_context_iterate (dispatch=1, block=9034560, context=0x21546910, self=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3123
        timeout = 0
        some_ready = 1
        fds = 0x2170e0f0
        max_priority = 0
        nfds = <optimized out>
        allocated_nfds = <optimized out>
#38 g_main_context_iterate (context=0x21546910, block=9034560, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3060
        some_ready = 1
#39 0x00890261 in g_main_context_iteration (context=0x21546910, may_block=1) at /build/buildd/glib2.0-2.31.22/./glib/gmain.c:3184
        retval = <optimized out>
#40 0x00785364 in g_application_run (application=0x2161a5b0, argc=2, argv=0xbf8926d4) at /build/buildd/glib2.0-2.31.22/./gio/gapplication.c:1496
        arguments = 0x21676dc0
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#41 0x0095a83f in main (argc=2, argv=0xbf8926d4) at control-center.c:207
        shell = <optimized out>
        application = 0x2161a5b0
        status = <optimized out>