Bluetooth Failed to connect org.bluez,Error.NotReady

问题：

bluetooth]# Failed to connect: org.bluez.Error.NotReady

解决办法：

• 
  p1ut0@Verfolgerle  ~  bluetoothctl power on
  p1ut0@Verfolgerle  ~  rfkill list           
  0: phy0: Wireless LAN
  Soft blocked: yes
  Hard blocked: no
  1: hci0: Bluetooth
  Soft blocked: no
  Hard blocked: no
  2: ideapad_wlan: Wireless LAN
  Soft blocked: no
  Hard blocked: no
  3: ideapad_bluetooth: Bluetooth
  Soft blocked: no
  Hard blocked: no
  p1ut0@Verfolgerle  ~  sudo rfkill unblock bluetooth
  p1ut0@Verfolgerle  ~  sudo systemctl stop bluetooth.service 
  p1ut0@Verfolgerle  ~  sudo systemctl start bluetooth.service
  p1ut0@Verfolgerle  ~  bluetoothctl
  [bluetooth]# power on
  [CHG] Controller D8:3B:BF:CE:03:73 Class: 0x006c010c
  Changing power on succeeded
  [CHG] Controller D8:3B:BF:CE:03:73 Powered: yes
  [bluetooth]# agent on
  Agent is already registered
  [bluetooth]# scan on
  Discovery started
  [CHG] Controller D8:3B:BF:CE:03:73 Discovering: yes
  [NEW] Device 01:17:93:41:15:DA 01-17-93-41-15-DA
  [NEW] Device 4D:02:B1:8F:B1:59 4D-02-B1-8F-B1-59
  [NEW] Device 7B:9D:71:F3:EE:9B 7B-9D-71-F3-EE-9B
  [NEW] Device FC:E8:00:59:06:45 EDIFIER BLE
  [NEW] Device 7C:7F:63:A3:9A:08 7C-7F-63-A3-9A-08
  [NEW] Device 1B:46:C4:E8:01:2D 1B-46-C4-E8-01-2D
  [NEW] Device 88:D0:39:9A:7D:85 JBL LIVE650BTNC-LE
  [NEW] Device 6C:9A:A3:82:5C:5B 6C-9A-A3-82-5C-5B
  [NEW] Device 63:2C:D5:5A:58:AF 63-2C-D5-5A-58-AF
  [bluetooth]# pair 88:D0:39:9A:7D:85
  Attempting to pair with 88:D0:39:9A:7D:85
  [CHG] Device 88:D0:39:9A:7D:85 Connected: yes
  [CHG] Device 88:D0:39:9A:7D:85 Name: JBL LIVE650BTNC
  [CHG] Device 88:D0:39:9A:7D:85 Alias: JBL LIVE650BTNC
  [CHG] Device 88:D0:39:9A:7D:85 UUIDs: 0000110b-0000-1000-8000-00805f9b34fb
  [CHG] Device 88:D0:39:9A:7D:85 UUIDs: 0000110c-0000-1000-8000-00805f9b34fb
  [CHG] Device 88:D0:39:9A:7D:85 UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
  [CHG] Device 88:D0:39:9A:7D:85 UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
  [CHG] Device 88:D0:39:9A:7D:85 UUIDs: 8a482a08-5507-42ac-b673-a88df48b3fc7
  [CHG] Device 88:D0:39:9A:7D:85 ServicesResolved: yes
  [CHG] Device 88:D0:39:9A:7D:85 Paired: yes
  Pairing successful
  [CHG] Device 88:D0:39:9A:7D:85 ServicesResolved: no
  [CHG] Device 88:D0:39:9A:7D:85 Connected: no
  [bluetooth]# connect 88:D0:39:9A:7D:85
  Attempting to connect to 88:D0:39:9A:7D:85
  [CHG] Device 88:D0:39:9A:7D:85 Connected: yes
  Connection successful
  [CHG] Device 88:D0:39:9A:7D:85 ServicesResolved: yes
  [CHG] Device 88:D0:39:9A:7D:85 Name: JBL LIVE650BTNC-LE
  [CHG] Device 88:D0:39:9A:7D:85 Alias: JBL LIVE650BTNC-LE