.
Thread 3 (Thread 0x7f648577d700 (LWP 6096)):
#0  0x00007f64a1a85773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f64a1fb0f68 in g_main_context_poll (n_fds=3, fds=0x7f6480000ba0, timeout=-1, context=0x7f64a632a8d0, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x7f64a1fbf4c0 <g_poll>
#2  g_main_context_iterate (context=0x7f64a632a8d0, block=<optimized out>, 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 = 3
        allocated_nfds = <optimized out>
        fds = 0x7f6480000ba0
#3  0x00007f64a1fb1792 in g_main_loop_run (loop=0x7f64a627c4c0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f64a2776516 in gdbus_shared_thread_func (user_data=0x7f64a627c570) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276
        data = 0x7f64a627c570
#5  0x00007f64a1fd62b6 in g_thread_create_proxy (data=0x7f64a627c5a0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x7f64a627c5a0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f64a1d56efc in start_thread (arg=0x7f648577d700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f648577d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5256959149484351812, 140734716533888, 140069712681408, 0, 3, 5314966013993737916, 5315026200517336764}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f64a1a9189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f6486a2d700 (LWP 6097)):
#0  0x00007f64a1a85773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f64a1fb0f68 in g_main_context_poll (n_fds=1, fds=0x7f64a623bac0, timeout=-1, context=0x7f64a61c1e40, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x7f64a1fbf4c0 <g_poll>
#2  g_main_context_iterate (context=0x7f64a61c1e40, block=<optimized out>, 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 = 0x7f64a623bac0
#3  0x00007f64a1fb1792 in g_main_loop_run (loop=0x7f64a6398490) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f649ae1d9cb in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x7f64a61c1e40
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007f64a1fd62b6 in g_thread_create_proxy (data=0x7f64a628c4b0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x7f64a628c4b0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f64a1d56efc in start_thread (arg=0x7f6486a2d700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f6486a2d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5256959149484351812, 140734716528016, 140069732276672, 0, 3, 5314963084826042044, 5315026200517336764}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f64a1a9189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f64a41fa940 (LWP 6094)):
#0  bluetooth_chooser_get_selected_device_data (self=0x7f64a606f5c0, column=1) at bluetooth-chooser.c:227
        priv = <optimized out>
        iter = {stamp = -1572203346, user_data = 0x7f648a08bba8, user_data2 = 0x7f64a632b5d0, user_data3 = 0x7f64a420c4f8}
        str = 0x7f64a249a743 "H\211\330[]A\\\303\017\037D"
        selected = <optimized out>
#1  0x00007f648a299e58 in connect_done (client=<optimized out>, success=1, data=0x7f64a63dcc20) at cc-bluetooth-panel.c:128
        self = 0x7f64a615d4c0
        bdaddr = <optimized out>
#2  0x00007f648a29af0b in connect_callback (proxy=0x7f64a64da810, call=<optimized out>, user_data=0x7f64a64e14a0) at bluetooth-client.c:1651
        conndata = 0x7f64a64e14a0
        error = 0x0
        retval = <optimized out>
#3  0x00007f649a9cd45a in complete_pending_call_and_unlock (connection=0x7f64a6379600, pending=0x7f64a63c79b0, message=<optimized out>) at ../../dbus/dbus-connection.c:2303
No locals.
#4  0x00007f649a9d06ea in dbus_connection_dispatch (connection=0x7f64a6379600) at ../../dbus/dbus-connection.c:4552
        message = 0x7f64a609bae0
        link = <optimized out>
        filter_list_copy = <optimized out>
        message_link = 0x7f64a63d43d8
        result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED
        pending = <optimized out>
        reply_serial = <optimized out>
        status = <optimized out>
        __FUNCTION__ = "dbus_connection_dispatch"
#5  0x00007f6497bb2395 in message_queue_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at dbus-gmain.c:90
        connection = 0x7f64a6379600
#6  0x00007f64a1fb0a5d in g_main_dispatch (context=0x7f64a607fbe0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
        dispatch = 0x7f6497bb2380 <message_queue_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x7f64a61d8cf0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f64a61d8cf0
        current = 0x7f64a621d590
        i = <optimized out>
#7  g_main_context_dispatch (context=0x7f64a607fbe0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
No locals.
#8  0x00007f64a1fb1258 in g_main_context_iterate (context=0x7f64a607fbe0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = 8
        allocated_nfds = <optimized out>
        fds = <optimized out>
#9  0x00007f64a1fb1792 in g_main_loop_run (loop=0x7f64a626df20) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#10 0x00007f64a390ee1d in gtk_main () at /build/buildd/gtk+3.0-3.2.0/./gtk/gtkmain.c:1367
        loop = 0x7f64a626df20
#11 0x00007f64a274da4e in g_application_run (application=0x7f64a620df00, argc=<optimized out>, argv=0x7fff5ac96108) at /build/buildd/glib2.0-2.30.0/./gio/gapplication.c:1323
        arguments = 0x7f64a626df20
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#12 0x00007f64a423c3bc in main (argc=2, argv=0x7fff5ac96108) at control-center.c:201
        shell = <optimized out>
        application = 0x7f64a620df00
        status = <optimized out>