Comment 0 for bug 1490349

On 15:10 after the bluetooth service has been stopped and restarted it is not possible to scan or connect to devices:

$ sudo systemctl start bluetooth
$ journalctl --unit=bluetooth | tail -n 19 | awk '{$1="";$2="";$4="";print $0}'
  23:31:53 systemd[1]: Starting Bluetooth service...
  23:31:53 bluetoothd[16647]: Bluetooth daemon 5.33
  23:31:53 systemd[1]: Started Bluetooth service.
  23:31:53 bluetoothd[16647]: Starting SDP server
  23:31:53 bluetoothd[16647]: Bluetooth management interface 1.9 initialized
  23:31:53 bluetoothd[16647]: Failed to obtain handles for "Service Changed" characteristic
  23:31:53 bluetoothd[16647]: Not enough free handles to register service
  23:31:53 bluetoothd[16647]: Error adding Link Loss service
  23:31:53 bluetoothd[16647]: Not enough free handles to register service
  23:31:53 bluetoothd[16647]: Not enough free handles to register service
  23:31:53 bluetoothd[16647]: Not enough free handles to register service
  23:31:53 bluetoothd[16647]: Current Time Service could not be registered
  23:31:53 bluetoothd[16647]: gatt-time-server: Input/output error (5)
  23:31:53 bluetoothd[16647]: Not enough free handles to register service
  23:31:53 bluetoothd[16647]: Not enough free handles to register service
  23:31:53 bluetoothd[16647]: Sap driver initialization failed.
  23:31:53 bluetoothd[16647]: sap-server: Operation not permitted (1)
  23:31:53 bluetoothd[16647]: Endpoint registered: sender=:1.440 path=/MediaEndpoint/A2DPSource
  23:31:53 bluetoothd[16647]: Endpoint registered: sender=:1.440 path=/MediaEndpoint/A2DPSink

And

$ bluetoothctl
[NEW] Controller 00:1F:3A:E0:0A:AF hephaestion.lan.iam.tj [default]
[NEW] Device 00:0A:95:4B:BD:C2 Apple Wireless Keyboard
[NEW] Device 00:07:61:3B:86:98 Bluetooth Travel Mouse
[bluetooth]# scan on
Failed to start discovery: org.bluez.Error.NotReady