16.04 - 蓝牙错误“没有足够的空闲句柄来注册服务”

Question

有谁知道如何让蓝牙工作？我已经阅读了很多关于这个特定错误的信息，有人说它已在 16.04 中修复，但我仍然受到影响（Dell XPS 15 9550，Ubuntu 16.04 全新安装）

~$ uname -r
4.4.0-22-generic

~$ sudo service bluetooth status -l
? bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
   Active: active (running) since mar 2016-05-17 12:39:44 CEST; 12min ago
     Docs: man:bluetoothd(8)
 Main PID: 3459 (bluetoothd)
   Status: "Running"
    Tasks: 1 (limit: 512)
   CGroup: /system.slice/bluetooth.service
           ??3459 /usr/lib/bluetooth/bluetoothd

mag 17 12:39:44 xxx bluetoothd[3459]: Not enough free handles to register service
mag 17 12:39:44 xxx bluetoothd[3459]: Not enough free handles to register service
mag 17 12:39:44 xxx bluetoothd[3459]: Current Time Service could not be registered
mag 17 12:39:44 xxx bluetoothd[3459]: gatt-time-server: Input/output error (5)
mag 17 12:39:44 xxx bluetoothd[3459]: Not enough free handles to register service
mag 17 12:39:44 xxx bluetoothd[3459]: Not enough free handles to register service
mag 17 12:39:44 xxx bluetoothd[3459]: Sap driver initialization failed.
mag 17 12:39:44 xxx bluetoothd[3459]: sap-server: Operation not permitted (1)
mag 17 12:39:44 xxx bluetoothd[3459]: Endpoint registered: sender=:1.69 path=/MediaEndpoint/A2DPSource
mag 17 12:39:44 xxx bluetoothd[3459]: Endpoint registered: sender=:1.69 path=/MediaEndpoint/A2DPSink

我尝试了几乎所有在谷歌上找到的东西，但它仍然没有检测到任何设备（鼠标、键盘、电话，什么都没有）。

谢谢你。