(gnome-control-center:1707): Bluetooth-WARNING **: 23:52:18.530: Error setting property 'Discoverable' on interface org.bluez.Adapter1: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying (g-dbus-error-quark, 4)
[chesn@host ~]$ systemctl status bluetooth
● bluetooth.service - Bluetooth service
   Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
   Active: failed (Result: core-dump) since Wed 2018-04-04 23:52:18 CEST; 26s ago
     Docs: man:bluetoothd(8)
  Process: 1239 ExecStart=/usr/lib/bluetooth/bluetoothd (code=dumped, signal=SEGV)
 Main PID: 1239 (code=dumped, signal=SEGV)
   Status: "Running"

Apr 04 23:51:02 host systemd[1]: Starting Bluetooth service...
Apr 04 23:51:02 host bluetoothd[1239]: Bluetooth daemon 5.49
Apr 04 23:51:02 host systemd[1]: Started Bluetooth service.
Apr 04 23:51:02 host bluetoothd[1239]: Starting SDP server
Apr 04 23:51:02 host bluetoothd[1239]: Bluetooth management interface 1.14 initialized
Apr 04 23:51:02 host bluetoothd[1239]: Endpoint registered: sender=:1.45 path=/MediaEndpoint/A2DPSource
Apr 04 23:51:02 host bluetoothd[1239]: Endpoint registered: sender=:1.45 path=/MediaEndpoint/A2DPSink
Apr 04 23:52:18 host systemd[1]: bluetooth.service: Main process exited, code=dumped, status=11/SEGV
Apr 04 23:52:18 host systemd[1]: bluetooth.service: Failed with result 'core-dump'.
[chesn@host ~]$ coredumpctl info 1239
           PID: 1239 (bluetoothd)
           UID: 0 (root)
           GID: 0 (root)
        Signal: 11 (SEGV)
     Timestamp: Wed 2018-04-04 23:52:18 CEST (46s ago)
  Command Line: /usr/lib/bluetooth/bluetoothd
    Executable: /usr/lib/bluetooth/bluetoothd
 Control Group: /system.slice/bluetooth.service
          Unit: bluetooth.service
         Slice: system.slice
       Boot ID: 1146f83668314c9893935029b62a0c38
    Machine ID: 043c22e6d7784616bae5cf9a1af48fbf
      Hostname: host
       Storage: /var/lib/systemd/coredump/core.bluetoothd.0.1146f83668314c9893935029b62a0c38.1239.1522878738000000.lz4 (inaccessible)
       Message: Process 1239 (bluetoothd) of user 0 dumped core.

                Stack trace of thread 1239:
                #0  0x0000557af456efd0 btd_adv_manager_refresh (bluetoothd)
                #1  0x0000557af457b6c4 n/a (bluetoothd)
                #2  0x0000557af45ac049 n/a (bluetoothd)
                #3  0x0000557af45acb9e n/a (bluetoothd)
                #4  0x0000557af45b95c3 n/a (bluetoothd)
                #5  0x00007f02358a42c6 g_main_context_dispatch (libglib-2.0.so.0)
                #6  0x00007f02358a46a1 n/a (libglib-2.0.so.0)
                #7  0x00007f02358a49d2 g_main_loop_run (libglib-2.0.so.0)
                #8  0x0000557af4528709 n/a (bluetoothd)
                #9  0x00007f0234b68f4a __libc_start_main (libc.so.6)
                #10 0x0000557af452904a n/a (bluetoothd)
[chesn@host ~]$ pacman -Qs bluez
local/bluez 5.49-2