#0  0x00007f83b5e49956 in lightdm_layout_get_name (layout=<optimized out>) at layout.c:212
        __inst = 0x1f8a940
        __t = 34663840
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
#1  0x0000000000416acc in unity_greeter_get_layout_by_name (self=<optimized out>, name=0x2214150 "us") at unity-greeter.c:835
        _tmp1_ = 0x1f8a940
        _tmp2_ = <optimized out>
        _tmp3_ = <optimized out>
        _tmp4_ = <optimized out>
        layout = 0x1f8a940
        layout_collection = <optimized out>
        layout_it = 0x1fbb560
        _tmp0_ = <optimized out>
#2  0x0000000000416c53 in unity_greeter_user_added_cb (self=0x1ea68b0, user=0x20f9030) at unity-greeter.c:979
        _tmp30_ = 0x2214150 "us"
        _tmp31_ = 0x0
        layout = <optimized out>
        _tmp32_ = <optimized out>
        _tmp29_ = 0x2214150 "us"
        name = 0x2214150 "us"
        name_collection = 0x20f5b90
        name_collection_length1 = 0
        _name_collection_size_ = 0
        name_it = <optimized out>
        _tmp0_ = 0x20f9030
        _tmp1_ = <optimized out>
        _tmp2_ = <optimized out>
        _tmp3_ = 0x20f9030
        _tmp4_ = <optimized out>
        _tmp5_ = <optimized out>
        _tmp6_ = 0x20f9030
        _tmp7_ = <optimized out>
        _tmp8_ = <optimized out>
        _tmp9_ = <optimized out>
        label = 0x21b12f0 "James P. Harding"
        _tmp10_ = 0x20f9030
        _tmp11_ = <optimized out>
        _tmp12_ = <optimized out>
        _tmp17_ = 0x20f9030
        _tmp18_ = <optimized out>
        _tmp19_ = <optimized out>
        _tmp20_ = <optimized out>
        session = 0x21efdc0 "xsession"
        _tmp21_ = <optimized out>
        layouts = <optimized out>
        _tmp26_ = 0x20f9030
        _tmp27_ = 0x20f5b90
        _tmp28_ = 0x20f5b90
        _tmp35_ = <optimized out>
        _tmp36_ = <optimized out>
        _tmp37_ = <optimized out>
        _tmp38_ = <optimized out>
        _tmp39_ = <optimized out>
        _tmp40_ = <optimized out>
        _tmp41_ = <optimized out>
        _tmp42_ = <optimized out>
        _tmp43_ = <optimized out>
        _tmp44_ = <optimized out>
        _tmp45_ = <optimized out>
        _tmp46_ = <optimized out>
        _tmp47_ = <optimized out>
        _tmp48_ = <optimized out>
        _tmp49_ = <optimized out>
        _tmp50_ = <optimized out>
        __PRETTY_FUNCTION__ = "unity_greeter_user_added_cb"
#3  0x00007f83b635b624 in g_cclosure_marshal_VOID__OBJECTv (closure=0x1e636e0, return_value=<optimized out>, instance=0x1fc1400, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1f14d40) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:1312
        cc = 0x1e636e0
        data1 = <optimized out>
        data2 = <optimized out>
        callback = 0x416df0 <_unity_greeter_user_added_cb_lightdm_user_list_user_changed>
        arg0 = 0x20f9030
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff06e0b000, reg_save_area = 0x7fff06e0af40}}
#4  0x00007f83b635809a in _g_closure_invoke_va (closure=0x1e636e0, return_value=0x0, instance=0x1fc1400, args=0x7fff06e0af28, n_params=1, param_types=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:840
        marshal = 0x7f83b635b5a0 <g_cclosure_marshal_VOID__OBJECTv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x1e636c0
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#5  0x00007f83b6371bc5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3206
        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 = 0x7fff06e0b1c0, instance = 0x1fc1400, ihint = {signal_id = 248, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 34557120}
        signal_id = <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
        closure = 0x1e636e0
        run_type = <optimized out>
        hlist = 0x7f83b5750073
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x1e63540
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#6  0x00007f83b63722e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff06e0b000, reg_save_area = 0x7fff06e0af40}}
#7  0x00007f83b635809a in _g_closure_invoke_va (closure=0x20f7c20, return_value=0x0, instance=0x20f9030, args=0x7fff06e0b2b8, n_params=0, param_types=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:840
        marshal = 0x7f83b6359c80 <g_cclosure_marshal_VOID__VOIDv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x20f7c00
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#8  0x00007f83b6371bc5 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3206
        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 = 0x7fff06e0b720, instance = 0x20f9030, ihint = {signal_id = 250, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 34557456}
        signal_id = <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
        closure = 0x20f7c20
        run_type = <optimized out>
        hlist = 0x7f83b5750073
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x20f8570
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#9  0x00007f83b63722e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff06e0b390, reg_save_area = 0x7fff06e0b2d0}}
#10 0x00007f83b29cea14 in ffi_call_unix64 () at ../src/x86/unix64.S:75
No locals.
#11 0x00007f83b29ce435 in ffi_call (cif=0x7fff06e0b580, fn=0x7f83b5e4b920 <user_signal_cb>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:486
        classes = {X86_64_INTEGER_CLASS, 32767, 24, X86_64_NO_CLASS}
        stack = 0x7fff06e0b2e0 "\377\377\377\377"
        argp = 0x7fff06e0b390 ""
        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 = 0x7fff06e0b2e0
#12 0x00007f83b63586db in g_cclosure_marshal_generic (closure=0x20f6930, return_gvalue=0x0, n_param_values=4, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x7f83b5e4b920) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:1451
        rtype = 0x7f83b29cee40
        rvalue = 0x7fff06e0b500
        n_args = 5
        atypes = 0x7fff06e0b4c0
        args = 0x7fff06e0b480
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 5, arg_types = 0x7fff06e0b4c0, rtype = 0x7f83b29cee40, bytes = 0, flags = 0}
        cc = 0x20f6930
        enum_tmpval = 0x7fff06e0b520
        tmpval_used = 0
#13 0x00007f83b6357e72 in g_closure_invoke (closure=0x20f6930, return_value=0x0, n_param_values=4, param_values=0x1ff6ea0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:777
        marshal = 0x7f83b63584e0 <g_cclosure_marshal_generic>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x20f6910
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#14 0x00007f83b6369943 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x1ff6ea0) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x7f83a000d0d0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x20c6b90, ihint = {signal_id = 174, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x1f56b70
        hlist = 0x20f71f8
        handler_list = 0x7f83a000d0d0
        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 = 174
        max_sequential_handler_number = 1058
        return_value_altered = 0
#15 0x00007f83b63720ad in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3295
        instance_and_params = 0x1ff6ea0
        signal_return_type = 4
        param_values = 0x1ff6eb8
        node = 0x1e70ef0
        i = <optimized out>
        n_params = 3
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#16 0x00007f83b63722e2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fff06e0bac0, reg_save_area = 0x7fff06e0ba00}}
#17 0x00007f83b6cde6a4 in on_signal_received (connection=<optimized out>, sender_name=0x7f83a0008bb0 ":1.55", object_path=<optimized out>, interface_name=<optimized out>, signal_name=0x7f83a000d840 "Changed", parameters=0x21f1180, user_data=0x1f854c0) at /build/buildd/glib2.0-2.31.20/./gio/gdbusproxy.c:927
        data = 0x1f854c0
        proxy = 0x20c6b90
#18 0x00007f83b6ccde55 in emit_signal_instance_in_idle_cb (data=0x7f83a000b400) at /build/buildd/glib2.0-2.31.20/./gio/gdbusconnection.c:3676
        signal_instance = 0x7f83a000b400
        parameters = 0x21f1180
        has_subscription = 1
#19 0x00007f83b609adda in g_main_dispatch (context=0x1e6d9c0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:2510
        dispatch = 0x7f83b6098a30 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f83a000b400
        callback = 0x7f83b6ccdde0 <emit_signal_instance_in_idle_cb>
        cb_funcs = 0x7f83b63469a0
        cb_data = 0x7f83a000aab0
        current_source_link = {data = 0x7f83a000d8a0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f83a000d8a0
        current = 0x1f52860
        i = <optimized out>
#20 g_main_context_dispatch (context=0x1e6d9c0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3047
No locals.
#21 0x00007f83b609b1a0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x1e6d9c0, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3118
        timeout = 799
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 7
        allocated_nfds = <optimized out>
#22 g_main_context_iterate (context=0x1e6d9c0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 1
#23 0x00007f83b609b59a in g_main_loop_run (loop=0x1e523a0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#24 0x00007f83b75aa29d in gtk_main () at /build/buildd/gtk+3.0-3.3.18/./gtk/gtkmain.c:1165
        loop = 0x1e523a0
#25 0x0000000000419583 in unity_greeter_main (args=0x7fff06e0bda8, args_length1=1) at unity-greeter.c:2198
        result = 0
        atspi_pid = 2445
        _tmp6_ = <optimized out>
        _tmp7_ = <optimized out>
        _tmp8_ = <optimized out>
        _tmp9_ = <optimized out>
        _tmp10_ = <optimized out>
        _tmp11_ = <optimized out>
        _tmp12_ = <optimized out>
        _tmp13_ = <optimized out>
        _tmp14_ = <optimized out>
        _tmp15_ = 0x1e9bcb0
        c = 0x1e9bcb0
        _tmp16_ = 0x1e9bcb0
        _tmp17_ = 0x1e9bcb0
        _tmp18_ = <optimized out>
        _tmp28_ = <optimized out>
        _tmp30_ = <optimized out>
        _tmp31_ = <optimized out>
        _tmp32_ = 0x1e91c00
        settings = 0x1e91c00
        _tmp33_ = <optimized out>
        value = 0x1ea79e0 "rgb"
        _tmp34_ = <optimized out>
        _tmp37_ = <optimized out>
        _tmp38_ = <optimized out>
        _tmp41_ = <optimized out>
        _tmp42_ = <optimized out>
        _tmp45_ = <optimized out>
        double_value = <optimized out>
        _tmp46_ = <optimized out>
        _tmp49_ = <optimized out>
        boolean_value = <optimized out>
        _tmp50_ = 0x1e91c00
        _tmp51_ = <optimized out>
        _tmp52_ = <optimized out>
        _tmp53_ = <optimized out>
        _tmp56_ = 0x1ea79e0 "rgb"
        _tmp57_ = 0x1ea79e0 "rgb"
        _tmp60_ = 0x1ea68b0
        greeter = 0x1ea68b0
        _tmp61_ = 0x1ea68b0
        _tmp62_ = 0x21f60e0
        exec = 0x21f60e0
        exec_length1 = 1
        _exec_size_ = 1
        _tmp63_ = 0x21f60e0
        _tmp63__length1 = 1
        _tmp64_ = <optimized out>
        _tmp65_ = <optimized out>
        _tmp69_ = 2445
        _inner_error_ = 0x0
#26 0x00007f83b53bd76d in __libc_start_main (main=0x409920 <main>, argc=1, ubp_av=0x7fff06e0bda8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff06e0bd98) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5516314810419550301, 4233536, 140733308779936, 0, 0, 5515802513260373923, 5509440147548497827}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x41dc00, 0x7fff06e0bda8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4316160}}}
        not_first_call = <optimized out>
#27 0x0000000000409969 in _start ()
No symbol table info available.