.
Thread 4 (Thread 0x7f198130a700 (LWP 4655)):
#0  0x00007f198f13410d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f198f752576 in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x7f197400a3c0, timeout=<optimized out>, context=0x7f197c00b780) at ../../../../glib/gmain.c:4228
        poll_func = 0x7f198f7623d0 <g_poll>
#2  g_main_context_iterate (context=0x7f197c00b780, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 4
        allocated_nfds = 4
        fds = 0x7f197400a3c0
#3  0x00007f198f752902 in g_main_loop_run (loop=0x7f197c00b710) at ../../../../glib/gmain.c:4125
        __func__ = "g_main_loop_run"
#4  0x00007f198fd39456 in _g_dbus_worker_do_initial_read (data=0x0) at ../../../../gio/gdbusprivate.c:850
        worker = 0x0
#5  0x00007f198e0dd6ca in start_thread (arg=0x7f198130a700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f198130a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139747518359296, -6425583089087644569, 0, 139747526748479, 139747518360000, 139747518359296, 6404325759274220647, 6404296937724869735}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f198f1400ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 3 (Thread 0x7f198230c700 (LWP 4653)):
#0  0x00007f198f13410d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f198f752576 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f19780008c0, timeout=<optimized out>, context=0x5590c96cd060) at ../../../../glib/gmain.c:4228
        poll_func = 0x7f198f7623d0 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x5590c96cd060, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3924
        max_priority = 2147483647
        timeout = 100
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f19780008c0
#3  0x00007f198f75268c in g_main_context_iteration (context=0x5590c96cd060, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3990
        retval = <optimized out>
#4  0x00007f198f7526d1 in glib_worker_main (data=<optimized out>) at ../../../../glib/gmain.c:5783
No locals.
#5  0x00007f198f779f65 in g_thread_proxy (data=0x5590c9692f20) at ../../../../glib/gthread.c:784
        thread = 0x5590c9692f20
#6  0x00007f198e0dd6ca in start_thread (arg=0x7f198230c700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f198230c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139747535144704, -6425583089087644569, 0, 140726868650399, 139747535145408, 139747535144704, 6404323561324706919, 6404296937724869735}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f198f1400ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 2 (Thread 0x7f1973fff700 (LWP 4657)):
#0  0x00007f198f13410d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007f198f752576 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f196c0010c0, timeout=<optimized out>, context=0x5590c9795a00) at ../../../../glib/gmain.c:4228
        poll_func = 0x7f198f7623d0 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x5590c9795a00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3924
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f196c0010c0
#3  0x00007f198f75268c in g_main_context_iteration (context=context@entry=0x5590c9795a00, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3990
        retval = <optimized out>
#4  0x00007f198049646d in dconf_gdbus_worker_thread (user_data=0x5590c9795a00) at dconf-gdbus-thread.c:82
        context = 0x5590c9795a00
#5  0x00007f198f779f65 in g_thread_proxy (data=0x5590c9903b20) at ../../../../glib/gthread.c:784
        thread = 0x5590c9903b20
#6  0x00007f198e0dd6ca in start_thread (arg=0x7f1973fff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f1973fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139747297064704, -6425583089087644569, 0, 140726868647647, 139747297065408, 139747297064704, 6404498853435571303, 6404296937724869735}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f198f1400ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 1 (Thread 0x7f1991fafac0 (LWP 4642)):
#0  0x00007f198fa505fa in g_type_check_instance_cast (type_instance=0x41d7894956415741, iface_type=94080346912192) at ../../../../gobject/gtype.c:4049
No locals.
#1  0x00007f1990ff3e20 in ?? () from /mnt/sec-machines/apport-sandbox-dir/Ubuntu 17.04/amd64/report-sandbox/usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#2  0x00005590c920af40 in save_cities_store (cd=<optimized out>, cd=<optimized out>) at clock.c:2554
        locs = 0x5590c921713c
        node = 0x5590cac01160
#3  0x00005590c920bda7 in clock_timezone_changed (systz=<optimized out>, new_tz=<optimized out>, cd=0x5590c9738600) at clock.c:2257
No locals.
#4  0x00007f198fa2bc25 in g_closure_invoke (closure=0x5590c9ace0d0, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x7ffd87042320, invocation_hint=invocation_hint@entry=0x7ffd870422a0) at ../../../../gobject/gclosure.c:804
        marshal = <optimized out>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x5590c9ace0b0
        __func__ = "g_closure_invoke"
#5  0x00007f198fa3dc32 in signal_emit_unlocked_R (node=node@entry=0x5590c99a0ce0, detail=detail@entry=0, instance=instance@entry=0x5590c996ddc0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffd87042320) at ../../../../gobject/gsignal.c:3635
        tmp = <optimized out>
        handler = 0x5590c999e000
        accumulator = 0x0
        emission = {next = 0x7ffd870429b0, instance = 0x5590c996ddc0, ihint = {signal_id = 334, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        handler_list = 0x5590c999e000
        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 = 334
        max_sequential_handler_number = 14371
        return_value_altered = 1
#6  0x00007f198fa4688c in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffd870424e0) at ../../../../gobject/gsignal.c:3391
        instance_and_params = 0x7ffd87042320
        signal_return_type = <optimized out>
        param_values = 0x7ffd87042338
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#7  0x00007f198fa46c6f in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7ffd870425c0, reg_save_area = 0x7ffd87042500}}
#8  0x00007f1989438e18 in ffi_call_unix64 () at ../src/x86/unix64.S:76
No locals.
#9  0x00007f198943887a in ffi_call (cif=cif@entry=0x7ffd87042820, fn=fn@entry=0x5590c9215a20 <system_timezone_monitor_changed>, rvalue=<optimized out>, avalue=avalue@entry=0x7ffd870426f0) at ../src/x86/ffi64.c:525
        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 2265196576, 32765}
        stack = <optimized out>
        argp = 0x7ffd870425c0 ""
        arg_types = <optimized out>
        gprcount = 5
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = <optimized out>
#10 0x00007f198fa2c93a in g_cclosure_marshal_generic_va (closure=0x5590c9ace050, return_value=0x0, instance=<optimized out>, args_list=<optimized out>, marshal_data=<optimized out>, n_params=3, param_types=0x5590c99f52e0) at ../../../../gobject/gclosure.c:1604
        rtype = 0x7f1989439200 <ffi_type_void>
        rvalue = 0x7ffd87042770
        n_args = 5
        atypes = 0x7ffd87042730
        args = 0x7ffd870426f0
        storage = 0x7ffd870426c0
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 5, arg_types = 0x7ffd87042730, rtype = 0x7f1989439200 <ffi_type_void>, bytes = 0, flags = 0}
        cc = 0x5590c9ace050
        enum_tmpval = <optimized out>
        tmpval_used = 0
        args_copy = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7ffd87042b90, reg_save_area = 0x7ffd87042ad0}}
#11 0x00007f198fa2be54 in _g_closure_invoke_va (closure=closure@entry=0x5590c9ace050, return_value=return_value@entry=0x0, instance=instance@entry=0x5590c9aa4150, args=args@entry=0x7ffd87042ab0, n_params=<optimized out>, param_types=0x5590c99f52e0) at ../../../../gobject/gclosure.c:867
        marshal = <optimized out>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x5590c9ace030
        __func__ = "_g_closure_invoke_va"
#12 0x00007f198fa4657d in g_signal_emit_valist (instance=0x5590c9aa4150, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffd87042ab0) at ../../../../gobject/gsignal.c:3300
        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 = 0x5590c9aa4150, ihint = {signal_id = 289, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 94080343133856}
        signal_id = <optimized out>
        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 = <optimized out>
        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>
        __func__ = "g_signal_emit_valist"
#13 0x00007f198fa46c6f in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffd87042b90, reg_save_area = 0x7ffd87042ad0}}
#14 0x00007f198fd529a9 in g_file_monitor_source_dispatch (source=0x5590c9acdeb0, callback=<optimized out>, user_data=<optimized out>) at ../../../../gio/glocalfilemonitor.c:539
        fms = 0x5590c9acdeb0
        event = <optimized out>
        event_queue = {head = 0x0, tail = 0x0, length = 0}
        now = 11697952286
#15 0x00007f198f752377 in g_main_dispatch (context=0x5590c96a1760) at ../../../../glib/gmain.c:3203
        dispatch = 0x7f198fd52840 <g_local_file_monitor_new+112>
        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 = 0x5590c9acdeb0
        current = 0x5590c96a1c20
        i = 0
#16 g_main_context_dispatch (context=context@entry=0x5590c96a1760) at ../../../../glib/gmain.c:3856
No locals.
#17 0x00007f198f7525e0 in g_main_context_iterate (context=0x5590c96a1760, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3929
        max_priority = 2147483647
        timeout = 6
        some_ready = 1
        nfds = 5
        allocated_nfds = 6
        fds = <optimized out>
#18 0x00007f198f752902 in g_main_loop_run (loop=0x5590c96d1e10) at ../../../../glib/gmain.c:4125
        __func__ = "g_main_loop_run"
#19 0x00007f1990ee41d5 in gtk_main () at ././gtk/gtkmain.c:1312
        loop = 0x5590c96d1e10
#20 0x00007f1991c4fc13 in mate_panel_applet_factory_main (factory_id=<optimized out>, out_process=1, applet_type=94080343077504, callback=<optimized out>, user_data=0x0) at mate-panel-applet.c:2284
        factory = 0x5590c96c1800
        closure = 0x5590c96df3f0
        __func__ = "mate_panel_applet_factory_main"
#21 0x00005590c9208079 in main (argc=<optimized out>, argv=<optimized out>) at clock.c:3312
        context = 0x5590c9660400
        error = 0x0
        retval = <optimized out>