gsd-power crashed with SIGSEGV in g_hash_table_lookup_node() from g_hash_table_lookup() from g_dbus_interface_info_lookup_signal() from on_signal_received() from emit_signal_instance_in_idle_cb()

Stacktrace

#0 g_hash_table_lookup_node (hash_table=0x58ffa9856880, key=0x7e16cc008b80, hash_return=<synthetic pointer>) at ../../../glib/ghash.c:428
        node_hash = <optimized out>
        hash_value = 288199634
        have_tombstone = 0
        step = 0
        node_index = 1
        first_tombstone = 0
        node_index = <optimized out>
        node_hash = <optimized out>
        hash_value = <optimized out>
        first_tombstone = <optimized out>
        have_tombstone = <optimized out>
        step = <optimized out>
        _g_boolean_var_9 = <optimized out>
        node_key = <optimized out>
#1 g_hash_table_lookup (hash_table=0x58ffa9856880, key=key@entry=0x7e16cc008b80) at ../../../glib/ghash.c:1488
        node_index = <optimized out>
        node_hash = 288199634
        __func__ = "g_hash_table_lookup"
#2 0x00007e16f1246ddc in g_dbus_interface_info_lookup_signal (info=0x7e16f1dde660 <_gsd_screen_saver_interface_info>, name=0x7e16cc008b80 "WakeUpScreen") at ../../../gio/gdbusintrospection.c:1978
        cache = <optimized out>
        n = <optimized out>
        result = <optimized out>
#3 0x00007e16f12410c9 in on_signal_received (connection=<optimized out>, sender_name=0x7e16cc015580 ":1.89", object_path=<optimized out>, interface_name=<optimized out>, signal_name=0x7e16cc008b80 "WakeUpScreen", parameters=0x58ffa984abd0, user_data=0x58ffa9857cc0) at ../../../gio/gdbusproxy.c:851
        info = <optimized out>
        proxy_weak = 0x58ffa9857cc0
        proxy = 0x58ffa985a860
        out = <optimized out>
#4 0x00007e16f122b150 in emit_signal_instance_in_idle_cb (data=0x7e16cc001e90) at ../../../gio/gdbusconnection.c:4189
        signal_instance = 0x7e16cc001e90
        parameters = 0x58ffa984abd0
        has_subscription = 1
#5 0x00007e16f102e397 in g_main_dispatch (context=0x58ffa97a9f20) at ../../../glib/gmain.c:3357
        dispatch = 0x7e16f102b670 <g_idle_dispatch>
        prev_source = 0x0
        begin_time_nsec = 1947608561136
        was_in_call = 0
        user_data = 0x7e16cc001e90
        callback = 0x7e16f122b0d0 <emit_signal_instance_in_idle_cb>
        cb_funcs = 0x7e16f111c380 <g_source_callback_funcs>
        cb_data = 0x7e16cc013c70
        need_destroy = <optimized out>
        source = 0x7e16cc0133a0
        current = 0x58ffa97aa160
        i = 0
        __func__ = "g_main_dispatch"
#6 0x00007e16f108edc7 in g_main_context_dispatch_unlocked (context=0x58ffa97a9f20) at ../../../glib/gmain.c:4208
No locals.
#7 g_main_context_iterate_unlocked.isra.0 (context=0x58ffa97a9f20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4273
        max_priority = 2147483647
        timeout_usec = 5127624
        some_ready = 1
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x58ffa9855fd0
        begin_time_nsec = 1943812861054
#8 0x00007e16f102f097 in g_main_loop_run (loop=0x58ffa9853210) at ../../../glib/gmain.c:4475
        self = <optimized out>
        __func__ = "g_main_loop_run"
#9 0x00007e16f1608025 in gtk_main () at ../../../gtk/gtkmain.c:1329
        loop = 0x58ffa9853210
#10 0x000058ff6bc303f4 in main (argc=<optimized out>, argv=<optimized out>) at ../plugins/common/daemon-skeleton-gtk.h:292
        error = 0x0
        name_own_id = 1

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The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-settings-daemon. This problem was most recently seen with package version 47.1-1ubuntu1, the problem page at https://errors.ubuntu.com/problem/a2c79b2516a7c235d7f1c9ccee92c2fdeb4d5e9f contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
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