.
Thread 4 (LWP 2722):
#0  0x00007f8b3ba753cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8b3bfb915c in g_main_context_poll (n_fds=3, fds=0x7f8b280010c0, timeout=-1, context=0x7f8b300123b0, priority=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3995
        poll_func = 0x7f8b3bfc7550 <g_poll>
#2  g_main_context_iterate (context=0x7f8b300123b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3696
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f8b280010c0
        nfds = 3
#3  0x00007f8b3bfb963a in g_main_loop_run (loop=0x7f8b30012340) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3895
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f8b3c7d9726 in gdbus_shared_thread_func (user_data=0x7f8b30012380) at /build/buildd/glib2.0-2.35.8/./gio/gdbusprivate.c:278
        data = 0x7f8b30012380
#5  0x00007f8b3bfdd075 in g_thread_proxy (data=0x7f8b3000f370) at /build/buildd/glib2.0-2.35.8/./glib/gthread.c:798
        thread = 0x7f8b3000f370
#6  0x00007f8b3bd57f8e in start_thread (arg=0x7f8b3603f700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f8b3603f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235883411200, 7563443619462738119, 0, 140236004175968, 140235901561392, 4096, -7502764011790438201, -7502776746858811193}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f8b3ba81e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (LWP 2721):
#0  0x00007f8b3ba753cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f8b3bfb915c in g_main_context_poll (n_fds=1, fds=0x7f8b300010e0, timeout=-1, context=0x18deda0, priority=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3995
        poll_func = 0x7f8b3bfc7550 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x18deda0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3696
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f8b300010e0
        nfds = 1
#3  0x00007f8b3bfb9284 in g_main_context_iteration (context=context@entry=0x18deda0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3762
        retval = <optimized out>
#4  0x00007f8b379e69cd in dconf_gdbus_worker_thread (user_data=0x18deda0) at dconf-gdbus-thread.c:81
        context = 0x18deda0
#5  0x00007f8b3bfdd075 in g_thread_proxy (data=0x18d3de0) at /build/buildd/glib2.0-2.35.8/./glib/gthread.c:798
        thread = 0x18d3de0
#6  0x00007f8b3bd57f8e in start_thread (arg=0x7f8b3718f700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f8b3718f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235901564672, 7563443619462738119, 0, 140236004175968, 140733363443248, 4096, -7502766253763366713, -7502776746858811193}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f8b3ba81e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 2727):
#0  0x00007f8b3d1517c8 in ?? ()
No symbol table info available.
#1  0x00000000018effe8 in ?? ()
No symbol table info available.
#2  0x00007f8b3a22ec24 in get_const_signature (header=<optimized out>, type_str_p=0x7f8b34d3e8b0, type_pos_p=0x9) at ../../dbus/dbus-message.c:143
No locals.
#3  0xbbd66bfd1d48b800 in ?? ()
No symbol table info available.
#4  0x00007f8b3bd50f00 in ?? () from /tmp/apport_sandbox_hyRrm2/lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 2720):
#0  0x0000000001916920 in ?? ()
No symbol table info available.
#1  0x00007f8b3a226c06 in dbus_connection_dispatch (connection=connection@entry=0x18cfd90) at ../../dbus/dbus-connection.c:4631
        filter = <optimized out>
        next = 0x0
        message = 0x191e930
        link = <optimized out>
        filter_list_copy = 0x1913cf8
        message_link = 0x1913d40
        result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED
        pending = <optimized out>
        reply_serial = <optimized out>
        status = <optimized out>
        found_object = <optimized out>
        __FUNCTION__ = "dbus_connection_dispatch"
#2  0x00007f8b3b76ac95 in message_queue_dispatch (source=source@entry=0x18d2d30, callback=<optimized out>, user_data=<optimized out>) at dbus-gmain.c:90
        connection = 0x18cfd90
#3  0x00007f8b3bfb8e85 in g_main_dispatch (context=0x18d2c10) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3054
        dispatch = 0x7f8b3b76ac80 <message_queue_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x18d2d30, next = 0x0}
        need_destroy = <optimized out>
        source = 0x18d2d30
        current = 0x191fe10
        i = <optimized out>
#4  g_main_context_dispatch (context=context@entry=0x18d2c10) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3630
No locals.
#5  0x00007f8b3bfb91c8 in g_main_context_iterate (context=0x18d2c10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3701
        max_priority = 0
        timeout = 0
        some_ready = 1
        allocated_nfds = <optimized out>
        fds = 0x1929c30
        nfds = <optimized out>
#6  0x00007f8b3bfb963a in g_main_loop_run (loop=0x1929c50) at /build/buildd/glib2.0-2.35.8/./glib/gmain.c:3895
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0x0000000000401c32 in main (argc=1, argv=0x7fff0a22dd98) at ubuntu-geoip-provider.c:1056
        error = 0x0
        context = <optimized out>
        provider = 0x18cf0c0
        __PRETTY_FUNCTION__ = "main"