.
Thread 1 (LWP 19183):
#0  g_slist_remove (list=0x6567612f6e616d65, data=data@entry=0x7f99925197f0) at /build/buildd/glib2.0-2.40.0/./glib/gslist.c:407
        tmp = 0x6567612f6e616d65
        prev = 0x0
#1  0x00007f9991b5a60f in session_remove (req=0x7f99925197f0) at src/adapter.c:541
        adapter = 0x7f999251da90
        __FUNCTION__ = "session_remove"
#2  0x00007f9991b5a673 in session_owner_exit (conn=<optimized out>, user_data=0x7f99925197f0) at src/adapter.c:578
        req = 0x7f99925197f0
#3  0x00007f9991af49e7 in service_filter (connection=0x7f9992516be0, message=<optimized out>, user_data=0x7f999252d7b0) at gdbus/watch.c:477
        data = 0x7f999252d7b0
        cb = 0x7f9992519a70
        name = 0x7f999253c674 ":1.176"
        old = 0x7f999253c680 ":1.176"
        new = 0x7f999253c68c ""
#4  0x00007f9991af4be1 in message_filter (connection=0x7f9992516be0, message=0x7f999252e680, user_data=<optimized out>) at gdbus/watch.c:527
        data = 0x7f999252d7b0
        sender = <optimized out>
        path = 0x7f999252e3c8 "/org/freedesktop/DBus"
        iface = 0x7f999252e3e8 "org.freedesktop.DBus"
        member = 0x7f999252e408 "NameOwnerChanged"
        arg = 0x7f999253c674 ":1.176"
#5  0x00007f99913759b6 in dbus_connection_dispatch (connection=connection@entry=0x7f9992516be0) at ../../dbus/dbus-connection.c:4631
        filter = <optimized out>
        next = 0x0
        message = 0x7f999252e680
        link = <optimized out>
        filter_list_copy = 0x7f9992519cd8
        message_link = 0x7f9992519c90
        result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED
        pending = <optimized out>
        reply_serial = <optimized out>
        status = <optimized out>
        found_object = 32665
        __FUNCTION__ = "dbus_connection_dispatch"
#6  0x00007f9991af3868 in message_dispatch (data=0x7f9992516be0, data@entry=<error reading variable: value has been optimized out>) at gdbus/mainloop.c:76
        conn = 0x7f9992516be0
#7  0x00007f99915f5703 in g_timeout_dispatch (source=0x7f9992520740, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:4472
        timeout_source = 0x7f9992520740
        again = <optimized out>
#8  0x00007f99915f4ce5 in g_main_dispatch (context=0x7f999250d030) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3064
        dispatch = 0x7f99915f56f0 <g_timeout_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x7f9992516be0
        callback = 0x7f9991af3850 <message_dispatch>
        cb_funcs = 0x7f99918b2920 <g_source_callback_funcs>
        cb_data = 0x7f99925434c0
        need_destroy = <optimized out>
        source = 0x7f9992520740
        current = 0x7f999251c2a0
        i = 0
#9  g_main_context_dispatch (context=context@entry=0x7f999250d030) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3663
No locals.
#10 0x00007f99915f5048 in g_main_context_iterate (context=0x7f999250d030, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3734
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 22
        fds = 0x7f9992543260
#11 0x00007f99915f530a in g_main_loop_run (loop=0x7f999250dfe0) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3928
        __FUNCTION__ = "g_main_loop_run"
#12 0x00007f9991af2fc4 in main (argc=1, argv=0x7fffa23068b8) at src/main.c:542
        context = <optimized out>
        err = 0x0
        __FUNCTION__ = "main"