.
Thread 3 (Thread 0x7f785e250700 (LWP 2087)):
#0  0x00007f7860e51b03 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  0x00007f7861592f34 in g_main_context_poll (n_fds=1, fds=0x7f78580008e0, timeout=-1, context=0x19369d0, priority=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3560
        poll_func = 0x7f78615a0db0 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x19369d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3261
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7f78580008e0
#3  0x00007f7861593054 in g_main_context_iteration (context=0x19369d0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3327
        retval = <optimized out>
#4  0x00007f78615930a1 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:5003
No locals.
#5  0x00007f78615b5db5 in g_thread_proxy (data=0x1934c50) at /build/buildd/glib2.0-2.33.6/./glib/gthread.c:801
        thread = 0x1934c50
#6  0x00007f78607f5e9a in start_thread (arg=0x7f785e250700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f785e250700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 979741426054938617, 140736812097504, 140154952288704, 0, 3, -907473215350292487, -907337489021321223}, 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  0x00007f7860e5d4bd 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 0x7f785da4f700 (LWP 2088)):
#0  0x00007f7860e51b03 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  0x00007f7861592f34 in g_main_context_poll (n_fds=3, fds=0x7f78500010c0, timeout=-1, context=0x19460a0, priority=<optimized out>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3560
        poll_func = 0x7f78615a0db0 <g_poll>
#2  g_main_context_iterate (context=0x19460a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3261
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x7f78500010c0
#3  0x00007f7861593392 in g_main_loop_run (loop=0x1946030) at /build/buildd/glib2.0-2.33.6/./glib/gmain.c:3460
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f7860ae01d6 in gdbus_shared_thread_func (user_data=0x1946070) at /build/buildd/glib2.0-2.33.6/./gio/gdbusprivate.c:277
        data = 0x1946070
#5  0x00007f78615b5db5 in g_thread_proxy (data=0x1942c00) at /build/buildd/glib2.0-2.33.6/./glib/gthread.c:801
        thread = 0x1942c00
#6  0x00007f78607f5e9a in start_thread (arg=0x7f785da4f700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f785da4f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 979741426054938617, 140736812095792, 140154943896000, 0, 3, -907467718329024519, -907337489021321223}, 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  0x00007f7860e5d4bd 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 0x7f7862c337c0 (LWP 2086)):
#0  __stpcpy_chk () at ../sysdeps/x86_64/strcpy_chk.S:71
No locals.
#1  0x00007f786133a21c in strcpy (__src=<optimized out>, __dest=0x7f786154a620 "") at /usr/include/x86_64-linux-gnu/bits/string3.h:105
No locals.
#2  userpref_get_config_dir () at userpref.c:128
        cdir = <optimized out>
        i = <optimized out>
#3  userpref_get_config_dir () at userpref.c:105
No locals.
#4  0x00007f786133a594 in userpref_get_host_id (host_id=host_id@entry=0x7fffd7b120d0) at userpref.c:406
        config_path = <optimized out>
        config_file = <optimized out>
        config = 0x7f7861121730
#5  0x00007f786133dbdd in lockdownd_client_new_with_handshake (device=<optimized out>, client=client@entry=0x7fffd7b12178, label=label@entry=0x41bb3d "upower") at lockdown.c:717
        ret = 0
        client_loc = 0x195b830
        host_id = 0x0
        type = 0x1960150 "0\003\226\001"
#6  0x0000000000412c7b in up_device_idevice_coldplug (device=0x195e460) at up-device-idevice.c:105
        idevice = 0x195e460
        native = 0x19544f0
        uuid = 0x196d5d0 "b907d5eb16e229f939f3da270d62b1f01a17a580"
        model = <optimized out>
        dict = <optimized out>
        node = <optimized out>
        poll_seconds = 0
        dev = 0x19595e0
        client = 0x0
        kind = <optimized out>
#7  0x000000000040b67b in up_device_coldplug (device=device@entry=0x195e460, daemon=<optimized out>, native=<optimized out>) at up-device.c:548
        ret = <optimized out>
        native_path = <optimized out>
        klass = 0x1989b30
        id = 0x0
        __PRETTY_FUNCTION__ = "up_device_coldplug"
#8  0x0000000000411821 in up_backend_device_new (native=0x19544f0, backend=0x194a590) at up-backend.c:128
        native_path = <optimized out>
        device = 0x195e460
        ret = <optimized out>
        subsys = <optimized out>
        input = <optimized out>
#9  up_backend_device_add (backend=backend@entry=0x194a590, native=0x19544f0) at up-backend.c:229
        object = <optimized out>
        device = <optimized out>
        ret = 1
#10 0x000000000041209b in up_backend_coldplug (backend=0x194a590, daemon=daemon@entry=0x193d010) at up-backend.c:324
        native = <optimized out>
        devices = 0x1932800
        l = 0x1950ec0
        i = <optimized out>
        ret = <optimized out>
        subsystems = {0x41c267 "power_supply", 0x41c289 "usb", 0x41c274 "tty", 0x41c28d "input", 0x0}
#11 0x0000000000408ddf in up_daemon_startup (daemon=daemon@entry=0x193d010) at up-daemon.c:753
        ret = <optimized out>
        on_battery = <optimized out>
        on_low_battery = <optimized out>
        priv = 0x193d030
#12 0x0000000000406d47 in main (argc=1, argv=0x7fffd7b12528) at up-main.c:289
        error = 0x0
        daemon = 0x193d010
        qos = 0x1934630
        kbd_backlight = 0x1938000
        wakeups = 0x194a1e0
        context = 0x192d0c0
        bus_proxy = <optimized out>
        bus = <optimized out>
        ret = <optimized out>
        retval = 1
        timed_exit = 0
        immediate_exit = 0
        session_bus = 0
        timer_id = 0
        verbose = 0
        options = {{long_name = 0x41beae "timed-exit", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffd7b1230c, description = 0x41beb9 "Exit after a small delay", arg_description = 0x0}, {long_name = 0x41bed2 "immediate-exit", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffd7b12310, description = 0x41bf88 "Exit after the engine has loaded", arg_description = 0x0}, {long_name = 0x41bee1 "test", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffd7b12314, description = 0x41bfb0 "Run on the session bus (only for testing)", arg_description = 0x0}, {long_name = 0x41bee6 "verbose", short_name = 118 'v', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffd7b12318, description = 0x41bfe0 "Show extra debugging information", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}