联想ThinkPad 0B47189蓝牙键盘, 通过USB蓝牙适配器同台式机相连。
1. 在长时间（30分钟左右）不使用键盘的情况下，敲击键盘，键盘信号灯提示连接断，一直重连，看主机日志，一直打印Bluetooth: Unexpected continuation frame (len 0)， 点系统的蓝牙图标，蓝牙显示打开，但是键盘显示未连接状态，用鼠标设置成连接状态，问题临时解决。
长时间不用，又会出现类似现象。
2. 重启机器时，输入密码框时，键盘也连不上，现象同1.
系统：ubuntu 16.04.1
内核：4.4.0-34
代码： 全选
➜ ~ dpkg -l |grep blue
ii blueman 2.0.4-1ubuntu2 amd64 Graphical bluetooth manager
ii bluez 5.37-0ubuntu5 amd64 Bluetooth tools and daemons
ii bluez-cups 5.37-0ubuntu5 amd64 Bluetooth printer driver for CUPS
ii bluez-hcidump 5.37-0ubuntu5 amd64 Analyses Bluetooth HCI packets
ii bluez-obexd 5.37-0ubuntu5 amd64 bluez obex daemon
ii gnome-bluetooth 3.18.2-1ubuntu2 amd64 GNOME Bluetooth tools
ii indicator-bluetooth 0.0.6+16.04.20160526-0ubuntu1 amd64 System bluetooth indicator.
ii libbluetooth3:amd64 5.37-0ubuntu5 amd64 Library to use the BlueZ Linux Bluetooth stack
ii libgnome-bluetooth13:amd64 3.18.2-1ubuntu2 amd64 GNOME Bluetooth tools - support library
ii pulseaudio-module-bluetooth 1:8.0-0ubuntu3 amd64 Bluetooth module for PulseAudio sound server
➜ ~ lsusb
Bus 003 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
➜ ~ grep -i blue /var/log/syslog
Aug 12 17:44:00 pjpc kernel: [ 312.986083] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 17:44:09 pjpc kernel: [ 321.268470] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 17:44:09 pjpc kernel: [ 321.291047] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 17:44:09 pjpc kernel: [ 321.338226] input: ThinkPad Compact Bluetooth Keyboard with TrackPoint as /devices/virtual/misc/uhid/0005:17EF:6048.0004/input/input13
Aug 12 17:44:09 pjpc kernel: [ 321.338613] lenovo 0005:17EF:6048.0004: input,hidraw3: BLUETOOTH HID v3.09 Keyboard [ThinkPad Compact Bluetooth Keyboard with TrackPoint] on 0
0:1B:10:00:03:36
Aug 12 17:44:24 pjpc gnome-session[3921]: [<blueman.services.Input.Input object at 0x7f15600bbef0>]
Aug 12 17:44:25 pjpc blueman-mechanism: Exiting
Aug 12 17:44:44 pjpc gnome-session[3921]: blueman-manager version 2.0.4 starting
Aug 12 17:55:17 pjpc systemd[1]: bluetooth.target: Unit not needed anymore. Stopping.
Aug 12 17:55:17 pjpc systemd[1]: Stopped target Bluetooth.
Aug 12 17:55:18 pjpc bluetoothd[4636]: Endpoint unregistered: sender=:1.77 path=/MediaEndpoint/A2DPSource
Aug 12 17:55:18 pjpc bluetoothd[4636]: Endpoint unregistered: sender=:1.77 path=/MediaEndpoint/A2DPSink
Aug 12 17:56:22 pjpc kernel: [ 1054.333664] usb 3-9: Product: Bluetooth V2.0 Dongle
Aug 12 17:56:22 pjpc kernel: [ 1054.333668] usb 3-9: Manufacturer: Bluetooth v2.0
Aug 12 17:56:22 pjpc bluetoothd[4636]: Failed to obtain handles for "Service Changed" characteristic
Aug 12 17:56:22 pjpc bluetoothd[4636]: Not enough free handles to register service
Aug 12 17:56:22 pjpc bluetoothd[4636]: Error adding Link Loss service
Aug 12 17:56:22 pjpc bluetoothd[4636]: Not enough free handles to register service
Aug 12 17:56:22 pjpc bluetoothd[4636]: message repeated 2 times: [ Not enough free handles to register service]
Aug 12 17:56:22 pjpc bluetoothd[4636]: Current Time Service could not be registered
Aug 12 17:56:22 pjpc bluetoothd[4636]: gatt-time-server: Input/output error (5)
Aug 12 17:56:22 pjpc bluetoothd[4636]: Not enough free handles to register service
Aug 12 17:56:22 pjpc bluetoothd[4636]: Not enough free handles to register service
Aug 12 17:56:22 pjpc bluetoothd[4636]: Sap driver initialization failed.
Aug 12 17:56:22 pjpc bluetoothd[4636]: sap-server: Operation not permitted (1)
Aug 12 17:56:22 pjpc systemd[1]: Reached target Bluetooth.
Aug 12 17:56:22 pjpc bluetoothd[4636]: Endpoint registered: sender=:1.77 path=/MediaEndpoint/A2DPSource
Aug 12 17:56:22 pjpc bluetoothd[4636]: Endpoint registered: sender=:1.77 path=/MediaEndpoint/A2DPSink
Aug 12 18:03:18 pjpc kernel: [ 1470.813793] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 18:03:19 pjpc kernel: [ 1471.392544] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 18:03:27 pjpc kernel: [ 1479.805055] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 18:03:27 pjpc kernel: [ 1479.833761] Bluetooth: Unexpected continuation frame (len 0)
Aug 12 18:03:27 pjpc kernel: [ 1479.869855] input: ThinkPad Compact Bluetooth Keyboard with TrackPoint as /devices/virtual/misc/uhid/0005:17EF:6048.0007/input/input15
Aug 12 18:03:27 pjpc kernel: [ 1479.870941] lenovo 0005:17EF:6048.0007: input,hidraw3: BLUETOOTH HID v3.09 Keyboard [ThinkPad Compact Bluetooth Keyboard with TrackPoint] on 0
0:1B:10:00:03:36
各位大神麻烦帮忙看下。。。。搞不定就只能退货了
