.
Thread 3 (Thread 0xb2fffb70 (LWP 6322)):
#0  0x00a2d416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00c7340e in __GI___poll (fds=0xb30006e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x0074f34b in g_poll (fds=0xb30006e0, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132
No locals.
#3  0x00740896 in g_main_context_poll (n_fds=1, fds=0xb30006e0, timeout=<optimized out>, context=0x2126ec10, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x74f320 <g_poll>
#4  g_main_context_iterate (context=0x2126ec10, block=7664416, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0xb30006e0
#5  0x00740f9b in g_main_loop_run (loop=0xb3000628) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x0125e194 in dconf_context_thread (data=0x2126ec10) at dconfcontext.c:11
        context = 0x2126ec10
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#7  0x007675f4 in g_thread_create_proxy (data=0x213edc10) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x213edc10
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x007fcd31 in start_thread (arg=0xb2fffb70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb2fffb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {8445940, 0, 4001536, -1291848936, -1862896497, -1870129174}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00c820ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb39c5b70 (LWP 6320)):
#0  0x00a2d416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00c7340e in __GI___poll (fds=0xb3000660, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x0074f34b in g_poll (fds=0xb3000660, nfds=5, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132
No locals.
#3  0x00740896 in g_main_context_poll (n_fds=5, fds=0xb3000660, timeout=<optimized out>, context=0x2133e240, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x74f320 <g_poll>
#4  g_main_context_iterate (context=0x2133e240, block=7664416, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = <optimized out>
        fds = 0xb3000660
#5  0x00740f9b in g_main_loop_run (loop=0x2133e1d0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x008e1cea in gdbus_shared_thread_func (user_data=0x2133e228) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276
        data = 0x2133e228
#7  0x007675f4 in g_thread_create_proxy (data=0x2133e2d0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x2133e2d0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x007fcd31 in start_thread (arg=0xb39c5b70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb39c5b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {8445940, 0, 4001536, -1281600744, 1471575181, -1870129174}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00c820ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb7753840 (LWP 6317)):
#0  um_user_set_icon_file (user=0x0, icon_file=0x214e95c8 "/usr/share/pixmaps/faces/flower.jpg") at um-user.c:868
        error = 0x0
#1  0x1117cbc8 in stock_icon_selected (menuitem=0xb300d468, um=0x21443e80) at um-photo-dialog.c:342
        filename = <optimized out>
#2  0x00d7214c in g_cclosure_marshal_VOID__VOID (closure=0x214e9408, return_value=0x0, n_param_values=1, param_values=0x21599690, invocation_hint=0xbfb44170, marshal_data=0x0) at /build/buildd/glib2.0-2.30.0/./gobject/gmarshal.c:85
        callback = 0x1117cb80 <stock_icon_selected>
        cc = 0x214e9408
        data1 = 0xb300d468
        data2 = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_marshal_VOID__VOID"
#3  0x00d70c3c in g_closure_invoke (closure=0x214e9408, return_value=0x0, n_param_values=1, param_values=0x21599690, invocation_hint=0xbfb44170) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0xd720c0 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#4  0x00d839f0 in signal_emit_unlocked_R (node=0x211350c0, detail=0, instance=0xb300d468, emission_return=0x0, instance_and_params=0x21599690) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272
        tmp = <optimized out>
        handler = 0x2147f840
        accumulator = 0x0
        emission = {next = 0xbfb44578, instance = 0xb300d468, ihint = {signal_id = 77, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x21135070
        hlist = 0x0
        handler_list = 0x2147f840
        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 = 77
        max_sequential_handler_number = 3079
        return_value_altered = 1
#5  0x00d8c787 in g_signal_emit_valist (instance=0xb300d468, signal_id=77, detail=0, var_args=0xbfb4432c "\220\276Z") at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3003
        instance_and_params = 0x21599690
        signal_return_type = 4
        param_values = 0x215996a4
        node = 0x211350c0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#6  0x00d8c8f3 in g_signal_emit (instance=0xb300d468, signal_id=77, detail=0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = 0xbfb4432c "\220\276Z"
#7  0x003b86a5 in gtk_widget_activate (widget=0xb300d468) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkwidget.c:6163
        __PRETTY_FUNCTION__ = "gtk_widget_activate"
#8  0x00280aaa in gtk_menu_shell_activate_item (menu_shell=0x21474468, menu_item=0xb300d468, force_deactivate=1) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmenushell.c:1487
        slist = <optimized out>
        shells = 0x215991b0
        deactivate = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_menu_shell_activate_item"
#9  0x00280ebc in gtk_menu_shell_button_release (widget=0x21474468, event=0x2159f010) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmenushell.c:886
        submenu = 0x0
        menu_item = <optimized out>
        deactivate = 1
        menu_shell = 0x21474468
        priv = 0x214744e0
#10 0x00273855 in gtk_menu_button_release (event=0x2159f010, widget=0x21474468) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmenu.c:3476
No locals.
#11 gtk_menu_button_release (widget=0x21474468, event=0x2159f010) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmenu.c:3440
        priv = <optimized out>
#12 0x002691a2 in _gtk_marshal_BOOLEAN__BOXED (closure=0x2112f808, return_value=0xbfb44594, n_param_values=2, param_values=0x2160b118, invocation_hint=0xbfb44580, marshal_data=0x2737a0) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmarshalers.c:85
        callback = 0x2737a0 <gtk_menu_button_release>
        cc = 0x2112f808
        data1 = <optimized out>
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#13 0x00d6f68d in g_type_class_meta_marshal (closure=0x2112f808, return_value=0xbfb44594, n_param_values=2, param_values=0x2160b118, invocation_hint=0xbfb44580, marshal_data=0xc4) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:885
        class = <optimized out>
        callback = <optimized out>
        offset = 196
#14 0x00d70c3c in g_closure_invoke (closure=0x2112f808, return_value=0xbfb44594, n_param_values=2, param_values=0x2160b118, invocation_hint=0xbfb44580) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
        marshal = 0xd6f630 <g_type_class_meta_marshal>
        marshal_data = 0xc4
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#15 0x00d83838 in signal_emit_unlocked_R (node=0x2112f100, detail=0, instance=0x21474468, emission_return=0xbfb446cc, instance_and_params=0x2160b118) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3310
        accumulator = 0x2112f9a0
        emission = {next = 0x0, instance = 0x21474468, ihint = {signal_id = 29, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 554915256}
        class_closure = 0x2112f808
        hlist = 0x2159d250
        handler_list = 0x0
        return_accu = 0xbfb44594
        accu = {g_type = 20, 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 = 29
        max_sequential_handler_number = 3077
        return_value_altered = 0
#16 0x00d8c599 in g_signal_emit_valist (instance=0x21474468, signal_id=29, detail=0, var_args=0xbfb44740 "lG\264\277\020\360Y!") at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3013
        return_value = {g_type = 20, 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}}}
        error = 0x0
        rtype = <optimized out>
        static_scope = 0
        instance_and_params = 0x2160b118
        signal_return_type = 20
        param_values = 0x2160b12c
        node = 0x2112f100
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#17 0x00d8c8f3 in g_signal_emit (instance=0x21474468, signal_id=29, detail=0) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3060
        var_args = 0xbfb4473c "\020\360Y!lG\264\277\020\360Y!"
#18 0x003b94c3 in gtk_widget_event_internal (widget=0x21474468, event=0x2159f010) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkwidget.c:6132
        signal_num = <optimized out>
        return_val = 0
#19 0x002688e2 in gtk_propagate_event (widget=0x21474468, event=0x2159f010) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmain.c:2629
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_propagate_event"
#20 0x00268d48 in gtk_main_do_event (event=0x2159f010) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmain.c:1894
        event_widget = <optimized out>
        grab_widget = 0xb300d468
        window_group = 0x213e1360
        rewritten_event = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#21 0x005ae13c in _gdk_event_emit (event=0x2159f010) at /build/buildd/gtk+3.0-3.2.0/./gdk/gdkevents.c:71
No locals.
#22 0x005d5ec8 in gdk_event_source_dispatch (source=0x21156600, callback=0, user_data=0x0) at /build/buildd/gtk+3.0-3.2.0/./gdk/x11/gdkeventsource.c:360
        display = <optimized out>
        event = 0x2159f010
#23 0x0074025f in g_main_dispatch (context=0x21156b68) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
        dispatch = 0x5d5e90 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x21156600, next = 0x0}
        need_destroy = <optimized out>
        source = 0x21156600
        current = 0x212540a8
        i = <optimized out>
#24 g_main_context_dispatch (context=0x21156b68) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
No locals.
#25 0x00740990 in g_main_context_iterate (context=0x21156b68, block=7664416, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
        max_priority = 2147483647
        timeout = 1853
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x21509250
#26 0x00740f9b in g_main_loop_run (loop=0x21305c50) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#27 0x00267f95 in gtk_main () at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmain.c:1367
        loop = 0x21305c50
#28 0x0017bfe4 in gtk_application_run_mainloop (application=0x21247e18) at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkapplication.c:115
No locals.
#29 0x008b550c in g_application_run (application=0x21247e18, argc=2, argv=0xbfb44ad4) at /build/buildd/glib2.0-2.30.0/./gio/gapplication.c:1323
        arguments = 0x21305c50
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#30 0x008179a6 in main (argc=2, argv=0xbfb44ad4) at control-center.c:201
        shell = <optimized out>
        application = 0x21247e18
        status = <optimized out>