#0  0xb77ad424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6cbec8f in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1226784780
        selftid = 26233
#2  0xb6cc22b5 in __GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x65, sa_sigaction = 0x65}, sa_mask = {__val = {3067115399, 104, 112, 3218266944, 3068182516, 2917247072, 112, 104, 3068182516, 100, 101, 100, 3067049692, 2917247080, 101, 3218267176, 2917247080, 0, 8, 4222451712, 2917247080, 2917247080, 2917247080, 2917247080, 2917247180, 2917247180, 2917247080, 2917247180, 0, 0, 0, 0}}, sa_flags = 0, sa_restorer = 0xb70d0f20 <g__attribute_hash_lock>}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0xb6cb7826 in __GI___assert_fail (assertion=0xb6bfed39 "ret != inval_id", file=0xb6bfecaa "../../src/xcb_io.c", line=528, function=0xb6bfedbe "_XAllocID") at assert.c:81
        buf = 0xade1a868 "gnome-control-center: ../../src/xcb_io.c:528: _XAllocID: asserzione \"ret != inval_id\" non riuscita.\n"
#4  0xb6b874af in _XAllocID (dpy=0xb7873940) at ../../src/xcb_io.c:528
        ret = 4294967295
        __PRETTY_FUNCTION__ = "_XAllocID"
#5  0xb6b64e22 in XCreatePixmap (dpy=0xb7873940, d=75501453, width=22, height=22, depth=32) at ../../src/CrPixmap.c:56
        pid = <optimized out>
        req = 0xb7879828
#6  0xb7183b65 in _cairo_xlib_surface_create_similar (abstract_src=0xade13c00, content=CAIRO_CONTENT_COLOR_ALPHA, width=22, height=22) at /build/buildd/cairo-1.10.2/src/cairo-xlib-surface.c:393
        visual = <optimized out>
        src = 0xade13c00
        xrender_format = 0xb7926750
        surface = <optimized out>
        display = 0xb7c3bdb0
        pix = <optimized out>
#7  0xb71657e0 in _cairo_surface_create_similar_scratch (other=0xade13c00, content=CAIRO_CONTENT_COLOR_ALPHA, width=22, height=22) at /build/buildd/cairo-1.10.2/src/cairo-surface.c:461
        surface = <optimized out>
#8  0xb716588b in _cairo_surface_create_similar_solid (other=0xade13c00, content=CAIRO_CONTENT_COLOR_ALPHA, width=22, height=22, color=0xb71b8520, allow_fallback=1) at /build/buildd/cairo-1.10.2/src/cairo-surface.c:528
        status = <optimized out>
        surface = <optimized out>
        pattern = {base = {type = 3071467299, ref_count = {ref_count = -1215297832}, status = 3079669464, user_data = {size = 2147483648, num_elements = 0, element_size = 2147483648, elements = 0xb71de3e0, is_snapshot = 0}, matrix = {xx = 1.5178647716611338e-314, yx = 4.6683907401235991e-313, xy = 1.5174830990328024e-314, yy = 2.1219957909652723e-314, x0 = 1.5178647716611338e-314, y0 = 5.2998088236266445e-315}, filter = CAIRO_FILTER_FAST, extend = CAIRO_EXTEND_NONE, has_component_alpha = 0}, color = {red = 1, green = -0, blue = -2.1552575922888405e-43, alpha = -0.29482666950656267, red_short = 17168, green_short = 44515, blue_short = 65524, alpha_short = 46890}}
#9  0xb712db19 in INT_cairo_push_group_with_content (cr=0xb71df500, content=CAIRO_CONTENT_COLOR_ALPHA) at /build/buildd/cairo-1.10.2/src/cairo.c:689
        parent_surface = 0xade13c00
        clip_extents = <optimized out>
        extents = {x = 0, y = 0, width = 22, height = 22}
        matrix = {xx = 0, yx = 1.5175256869974083e-314, xy = 1.441364459302997e-314, yy = 2.6202488906671256e-308, x0 = -5.5839246517731248e-40, y0 = -1.736350873174909e-43}
        group_surface = <optimized out>
        clip = <optimized out>
        status = <optimized out>
#10 0xb7289553 in gdk_window_update_icon (icon_list=0x0, window=0xb79f6738) at /build/buildd/gtk+3.0-3.3.12/./gdk/x11/gdkwindow-x11.c:3276
        width = 22
        height = 22
        cr = 0xb71df500
        toplevel = 0xb7c3d6f0
        best_icon = 0xb7c85248
        tmp_list = 0x0
        best_size = <optimized out>
#11 gdk_x11_window_set_icon_list (pixbufs=0x0, window=0xb79f6738) at /build/buildd/gtk+3.0-3.3.12/./gdk/x11/gdkwindow-x11.c:3406
        pixbuf = <optimized out>
        y = <optimized out>
        pixels = <optimized out>
        size = <optimized out>
        width = <optimized out>
        stride = <optimized out>
        n_channels = <optimized out>
        display = 0xb787e800
        n = <optimized out>
        data = 0xade29c18
        p = <optimized out>
        l = <optimized out>
        height = <optimized out>
        x = <optimized out>
#12 gdk_x11_window_set_icon_list (window=0xb79f6738, pixbufs=0xb7adce40) at /build/buildd/gtk+3.0-3.3.12/./gdk/x11/gdkwindow-x11.c:3303
No locals.
#13 0xb725c9cd in gdk_window_set_icon_list (window=0xb79f6738, pixbufs=0xb7adce40) at /build/buildd/gtk+3.0-3.3.12/./gdk/gdkwindow.c:10179
No locals.
#14 0xb75b2370 in gtk_window_realize_icon (window=0xb7942868) at /build/buildd/gtk+3.0-3.3.12/./gtk/gtkwindow.c:3626
        priv = 0xb79428f0
        widget = 0xb7942868
        info = 0xb79490a0
        gdk_window = <optimized out>
        icon_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_window_realize_icon"
#15 0xb6f3153c in g_cclosure_marshal_VOID__VOID (closure=0xb7c40df0, return_value=0x0, n_param_values=1, param_values=0xb7ca4018, invocation_hint=0xbfd2e0c0, marshal_data=0x0) at /build/buildd/glib2.0-2.31.14/./gobject/gmarshal.c:85
        callback = 0xb75b24c0 <update_themed_icon>
        cc = 0xb7c40df0
        data1 = 0xb796fe40
        data2 = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID"
#16 0xb6f2ff8c in g_closure_invoke (closure=0xb7c40df0, return_value=0x0, n_param_values=1, param_values=0xb7ca4018, invocation_hint=0xbfd2e0c0) at /build/buildd/glib2.0-2.31.14/./gobject/gclosure.c:774
        marshal = 0xb6f314b0 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#17 0xb6f41845 in signal_emit_unlocked_R (node=0xb7957908, detail=0, instance=0xb796fe40, emission_return=0x0, instance_and_params=0xb7ca4018) at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0xb7c3fe20
        accumulator = 0x0
        emission = {next = 0x0, instance = 0xb796fe40, ihint = {signal_id = 230, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xb79532e0
        hlist = 0xb79421c0
        handler_list = 0xb79a7180
        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 = 230
        max_sequential_handler_number = 2445
        return_value_altered = 1
#18 0xb6f490c2 in g_signal_emit_valist (instance=0xb796fe40, signal_id=230, detail=0, var_args=0xbfd2e26c "\364\317x\267\364\317x\267P\376\226\267@\376\226\267=\311@\267") at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3033
        instance_and_params = 0xb7ca4018
        signal_return_type = 4
        param_values = 0xb7ca402c
        node = 0xb7957908
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#19 0xb6f49253 in g_signal_emit (instance=0xb796fe40, signal_id=230, detail=0) at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3090
        var_args = 0xbfd2e26c "\364\317x\267\364\317x\267P\376\226\267@\376\226\267=\311@\267"
#20 0xb740c713 in do_theme_change (icon_theme=0xb796fe40) at /build/buildd/gtk+3.0-3.3.12/./gtk/gtkicontheme.c:721
        priv = 0xb796fe50
#21 0xb740c93d in update_current_theme (icon_theme=0xb796fe40) at /build/buildd/gtk+3.0-3.3.12/./gtk/gtkicontheme.c:527
        theme = 0xade1fbb0 "hicolor"
        fallback_theme = 0xade1f400 "gap"
        changed = <optimized out>
        priv = 0xb796fe50
#22 0xb6f31fca in g_cclosure_marshal_VOID__PARAM (closure=0xb7940348, return_value=0x0, n_param_values=2, param_values=0xb793df18, invocation_hint=0xbfd2e420, marshal_data=0x0) at /build/buildd/glib2.0-2.31.14/./gobject/gmarshal.c:539
        callback = 0xb740c9d0 <theme_changed>
        cc = 0xb7940348
        data1 = 0xb786d768
        data2 = 0xb796fe40
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__PARAM"
#23 0xb6f2ff8c in g_closure_invoke (closure=0xb7940348, return_value=0x0, n_param_values=2, param_values=0xb793df18, invocation_hint=0xbfd2e420) at /build/buildd/glib2.0-2.31.14/./gobject/gclosure.c:774
        marshal = 0xb6f31f20 <g_cclosure_marshal_VOID__PARAM>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#24 0xb6f41845 in signal_emit_unlocked_R (node=0xb7854ac8, detail=576, instance=0xb786d768, emission_return=0x0, instance_and_params=0xb793df18) at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0xb79a71c0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0xb786d768, ihint = {signal_id = 1, detail = 576, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xb7857250
        hlist = 0xb7872de8
        handler_list = 0xb79523c0
        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 = 2445
        return_value_altered = 1
#25 0xb6f490c2 in g_signal_emit_valist (instance=0xb786d768, signal_id=1, detail=576, var_args=0xbfd2e5d0 "h\327\206\267P") at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3033
        instance_and_params = 0xb793df18
        signal_return_type = 4
        param_values = 0xb793df2c
        node = 0xb7854ac8
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#26 0xb6f49253 in g_signal_emit (instance=0xb786d768, signal_id=1, detail=576) at /build/buildd/glib2.0-2.31.14/./gobject/gsignal.c:3090
        var_args = 0xbfd2e5cc "\230\357\206\267h\327\206\267P"
#27 0xb6f3340f in g_object_dispatch_properties_changed (object=0xb786d768, n_pspecs=1, pspecs=0xbfd2e61c) at /build/buildd/glib2.0-2.31.14/./gobject/gobject.c:1031
        i = <optimized out>
#28 0xb6f35270 in g_object_notify_by_spec_internal (pspec=0xb786ef98, object=0xb786d768) at /build/buildd/glib2.0-2.31.14/./gobject/gobject.c:1123
        nqueue = 0x0
        notify_pspec = 0xb786ef98
#29 g_object_notify (object=0xb786d768, property_name=0xb7638685 "gtk-icon-theme-name") at /build/buildd/glib2.0-2.31.14/./gobject/gobject.c:1165
        pspec = 0xb786ef98
        __PRETTY_FUNCTION__ = "g_object_notify"
#30 0xb74cb2a7 in _gtk_settings_handle_event (event=0xb7e2a5b8) at /build/buildd/gtk+3.0-3.3.12/./gtk/gtksettings.c:2532
        screen = 0xb7882030
        settings = 0xb786d768
        pspec = <optimized out>
        property_id = <optimized out>
#31 0xb7441945 in gtk_main_do_event (event=0xb7e2a5b8) at /build/buildd/gtk+3.0-3.3.12/./gtk/gtkmain.c:1487
        event_widget = <optimized out>
        grab_widget = 0x0
        window_group = <optimized out>
        rewritten_event = 0x0
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#32 0xb7247d0c in _gdk_event_emit (event=0xb7e2a5b8) at /build/buildd/gtk+3.0-3.3.12/./gdk/gdkevents.c:71
No locals.
#33 0xb7275838 in gdk_event_source_dispatch (source=0xb78893b0, callback=0, user_data=0x0) at /build/buildd/gtk+3.0-3.3.12/./gdk/x11/gdkeventsource.c:360
        display = <optimized out>
        event = 0xb7e2a5b8
#34 0xb6e72a2a in g_main_dispatch (context=0xb788a6d8) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:2510
        dispatch = 0xb7275800 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0xb78893b0, next = 0x0}
        need_destroy = <optimized out>
        source = 0xb78893b0
        current = 0xb79ee830
        i = <optimized out>
#35 g_main_context_dispatch (context=0xb788a6d8) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3047
No locals.
#36 0xb6e72e35 in g_main_context_iterate (dispatch=1, block=-1226307648, context=0xb788a6d8, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3118
        timeout = 0
        some_ready = 1
        fds = 0xb7c22690
        max_priority = 0
        nfds = <optimized out>
        allocated_nfds = <optimized out>
#37 g_main_context_iterate (context=0xb788a6d8, block=-1226307648, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3055
        some_ready = 1
#38 0xb6e72f11 in g_main_context_iteration (context=0xb788a6d8, may_block=1) at /build/buildd/glib2.0-2.31.14/./glib/gmain.c:3179
        retval = <optimized out>
#39 0xb700ebcc in g_application_run (application=0xb7953d28, argc=2, argv=0xbfd2e964) at /build/buildd/glib2.0-2.31.14/./gio/gapplication.c:1496
        arguments = 0xb7a31dc8
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#40 0xb77d2a26 in main (argc=2, argv=0xbfd2e964) at control-center.c:201
        shell = <optimized out>
        application = 0xb7953d28
        status = <optimized out>