这是在我的 Thinkpad T460p 上全新安装的 18.04，带有英特尔 9260 wifi/蓝牙卡。
前 2 分钟一切正常，蓝牙消失。蓝牙似乎永久关闭（无法设置为开启），直到我重新启动时才发生同样的情况。
这是我的日志ctl -b | grep bluetooth
enter code here
May 03 22:05:19 weywot kernel: thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
May 03 22:05:20 weywot NetworkManager[993]: <info> [1525381520.5047] Loaded device plugin: NMBluezManager (/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-device-plugin-bluetooth.so)
May 03 22:05:20 weywot bluetoothd[1112]: Bluetooth daemon 5.48
May 03 22:05:20 weywot bluetoothd[1112]: Starting SDP server
May 03 22:05:20 weywot bluetoothd[1112]: Bluetooth management interface 1.14 initialized
May 03 22:05:20 weywot NetworkManager[993]: <info> [1525381520.9215] bluez: use BlueZ version 5
May 03 22:05:20 weywot NetworkManager[993]: <info> [1525381520.9279] bluez5: NAP: added interface 8C:A9:82:FD:1E:F6
May 03 22:05:21 weywot /usr/lib/gdm3/gdm-x-session[1168]: (II) modeset(0): blueX: 0.153 blueY: 0.061 whiteX: 0.313 whiteY: 0.329
May 03 22:05:23 weywot bluetoothd[1112]: Endpoint registered: sender=:1.36 path=/MediaEndpoint/A2DPSource
May 03 22:05:23 weywot bluetoothd[1112]: Endpoint registered: sender=:1.36 path=/MediaEndpoint/A2DPSink
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 22:05:38 weywot bluetoothd[1112]: bt_uhid_send: Invalid argument (22)
May 03 21:08:25 weywot systemd[1]: bluetooth.target: Unit not needed anymore. Stopping.
May 03 21:08:25 weywot bluetoothd[1112]: Endpoint unregistered: sender=:1.36 path=/MediaEndpoint/A2DPSource
May 03 21:08:25 weywot bluetoothd[1112]: Endpoint unregistered: sender=:1.36 path=/MediaEndpoint/A2DPSink
May 03 21:08:25 weywot NetworkManager[993]: <info> [1525378105.8666] bluez5: NAP: removed interface 8C:A9:82:FD:1E:F6
May 03 21:08:25 weywot dbus-daemon[965]: [system] Rejected send message, 1 matched rules; type="error", sender=":1.36" (uid=1000 pid=1320 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") interface="(unset)" member="(unset)" error name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" destination=":1.21" (uid=0 pid=1112 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
May 03 21:08:25 weywot dbus-daemon[965]: [system] Rejected send message, 1 matched rules; type="error", sender=":1.36" (uid=1000 pid=1320 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") interface="(unset)" member="(unset)" error name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" destination=":1.21" (uid=0 pid=1112 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
May 03 21:08:25 weywot dbus-daemon[965]: [system] Rejected send message, 1 matched rules; type="error", sender=":1.36" (uid=1000 pid=1320 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") interface="(unset)" member="(unset)" error name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" destination=":1.21" (uid=0 pid=1112 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
May 03 21:08:25 weywot dbus-daemon[965]: [system] Rejected send message, 1 matched rules; type="error", sender=":1.36" (uid=1000 pid=1320 comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") interface="(unset)" member="(unset)" error name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" destination=":1.21" (uid=0 pid=1112 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
显然有些地方不对劲。有什么想法吗？
谢谢
答案1
从这个答案中：（16.04.2）无线定期停止工作（英特尔 8260），你可以尝试这个：
sudo modprobe -r iwlwifi && sudo modprobe iwlwifi bt_coex_active=0 11n_disable=8