新买的树梅派3自带蓝牙无法使用问题求解

你必须十分努力，才能看起来毫不费力 2016-05-21 11:29:19

新买的树梅派3自带蓝牙无法使用，可以配对成功，但是一直无法连接，折腾许久未能解决，请教有经验人士该如何解决？
谢谢！

[bluetooth]# connect FF:0C:0A:02:63:25
Attempting to connect to FF:0C:0A:02:63:25
Failed to connect: org.bluez.Error.Failed

系统 log：

./syslog:498:May 21 11:03:15 forever bluetoothd[680]: Bluetooth daemon 5.23
./syslog:503:May 21 11:03:15 forever bluetoothd[680]: Starting SDP server
./syslog:505:May 21 11:03:15 forever bluetoothd[680]: Bluetooth management interface 1.10 initialized
./syslog:509:May 21 11:03:15 forever bluetoothd[680]: Sap driver initialization failed.
./syslog:510:May 21 11:03:15 forever bluetoothd[680]: sap-server: Operation not permitted (1)
./syslog:557:May 21 11:04:28 forever bluetoothd[680]: Can't get HIDP connection info
./syslog:558:May 21 11:04:33 forever bluetoothd[680]: connect error: Host is down (112)
./syslog:559:May 21 11:04:48 forever bluetoothd[680]: Can't get HIDP connection info
./syslog:560:May 21 11:04:58 forever bluetoothd[680]: connect error: Invalid exchange (52)
./daemon.log:223:May 21 11:03:15 forever bluetoothd[680]: Bluetooth daemon 5.23
./daemon.log:228:May 21 11:03:15 forever bluetoothd[680]: Starting SDP server
./daemon.log:230:May 21 11:03:15 forever bluetoothd[680]: Bluetooth management interface 1.10 initialized
./daemon.log:231:May 21 11:03:15 forever bluetoothd[680]: Sap driver initialization failed.
./daemon.log:232:May 21 11:03:15 forever bluetoothd[680]: sap-server: Operation not permitted (1)
./daemon.log:277:May 21 11:04:28 forever bluetoothd[680]: Can't get HIDP connection info
./daemon.log:278:May 21 11:04:33 forever bluetoothd[680]: connect error: Host is down (112)
./daemon.log:279:May 21 11:04:48 forever bluetoothd[680]: Can't get HIDP connection info
./daemon.log:280:May 21 11:04:58 forever bluetoothd[680]: connect error: Invalid exchange (52)
./auth.log:14:May 21 11:04:11 forever sudo: pi : TTY=pts/0 ; PWD=/home/pi ; USER=root ; COMMAND=/usr/bin/bluetoothctl

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