先感谢各位点进来围观我的问题。
---------------正文------------------------
最近新买了 xps15,安装了 manjaro 后发现只要和蓝牙耳机配对上了，重启之后蓝牙设备就直接没有了。不过其中我折腾时候重装了几次系统（体验一下不同的桌面环境，其实是因为 kde 不知道为什么卡成狗）。我尝试用 blueman 或者 bluetoothctl 启动蓝牙，但是无效。内核也开启了 btusb，还是不行。
同样的耳机在我的台式机上使用完全没有这个问题。蓝牙适配器和 wifi 是 intel 8260 AC。
个人怀疑是网卡驱动问题导致，因为台式机最后更新的日期是在 8 月初。不知到各位有什么想法和建议可以提供给我。
---------------系统与硬件信息------------------------
OS: Manjaro 17.12 with deepin & i3 & xfce
cpu: i5 8300H
bluetooth & wifi: Killer 1535
---------------journalctl 捕获的信息------------------------
Sep 06 22:37:05 bingo-xps-9570 bluetoothd[439]: Bluetooth daemon 5.50
Sep 06 22:37:05 bingo-xps-9570 bluetoothd[439]: Starting SDP server
Sep 06 22:37:05 bingo-xps-9570 dbus-daemon[438]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.2' (uid=0 pid=439 comm="/usr/lib/bluetooth/bluetoothd ")
Sep 06 22:37:05 bingo-xps-9570 bluetoothd[439]: Bluetooth management interface 1.14 initialized
Sep 06 22:37:05 bingo-xps-9570 NetworkManager[443]: <info> [1536244625.6231] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.12.3dev+1+g0a3755c17-1/
libnm-device-plugin-bluetooth.so)
Sep 06 22:37:08 bingo-xps-9570 bluetoothd[439]: Endpoint registered: sender=:1.49 path=/MediaEndpoint/A2DPSource
Sep 06 22:37:08 bingo-xps-9570 bluetoothd[439]: Endpoint registered: sender=:1.49 path=/MediaEndpoint/A2DPSink
Sep 06 22:37:09 bingo-xps-9570 daemon/loader[877]: loader.go:151: enable module bluetooth
Sep 06 22:37:09 bingo-xps-9570 daemon/loader[877]: loader.go:159: enable module bluetooth done, cost 1.14402ms
Sep 06 22:37:09 bingo-xps-9570 daemon/bluetooth[877]: config.go:46: load bluetooth config file: /home/bingo/.config/deepin/bluetooth.json
Sep 06 22:37:09 bingo-xps-9570 daemon/bluetooth[877]: adapter.go:69: AdapterAdded adapter bingo-xps-9570 [9C:B6:D0:B9:06:48]
Sep 06 22:37:34 bingo-xps-9570 daemon/bluetooth[877]: bluetooth.go:367: auto connect device [6C:5A:B5:55:73:EE] Philips SHB8850NC
Sep 06 22:37:35 bingo-xps-9570 daemon/bluetooth[877]: device.go:469: device [6C:5A:B5:55:73:EE] Philips SHB8850NC connect succeeded
Sep 06 22:37:35 bingo-xps-9570 daemon/bluetooth[877]: utils_notify.go:42: notify notification-bluetooth-connected Connected Philips SHB8850NC
Sep 06 22:37:35 bingo-xps-9570 bluetoothd[439]: /org/bluez/hci0/dev_6C_5A_B5_55_73_EE/fd0: fd(25) ready
Sep 07 00:49:10 bingo-xps-9570 bluetoothd[439]: Unable to get io data for Headset Voice gateway: getpeername: Transport endpoint is not connected (107)
Sep 07 00:49:10 bingo-xps-9570 dbus-daemon[438]: [system] Rejected send message, 1 matched rules; type="method_return", sender=":1.49" (uid=1000 pid=817 comm="/usr/bin/pulseaudio --daemonize=no ") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.2" (uid=0 pid=439 comm="/usr/lib/bluetooth/bluetoothd ")
Sep 07 00:49:13 bingo-xps-9570 daemon/bluetooth[877]: utils_notify.go:42: notify notification-bluetooth-disconnected Disconnected Philips SHB8850NC
Sep 07 00:49:54 bingo-xps-9570 bluetoothd[439]: Endpoint unregistered: sender=:1.49 path=/MediaEndpoint/A2DPSource
Sep 07 00:49:54 bingo-xps-9570 bluetoothd[439]: Endpoint unregistered: sender=:1.49 path=/MediaEndpoint/A2DPSink
Sep 07 00:49:54 bingo-xps-9570 daemon/bluetooth[877]: adapter.go:75: AdapterRemoved adapter bingo-xps-9570 [9C:B6:D0:B9:06:48]
Sep 07 00:49:54 bingo-xps-9570 systemd[1]: bluetooth.target: Unit not needed anymore. Stopping.
Sep 07 23:46:27 bingo-xps-9570 bluetoothd[439]: Terminating
Sep 07 23:46:27 bingo-xps-9570 bluetoothd[439]: Stopping SDP server
Sep 07 23:46:27 bingo-xps-9570 bluetoothd[439]: Exit
Sep 07 23:46:58 bingo-xps-9570 NetworkManager[437]: <info> [1536335218.8407] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.12.3dev+1+g0a3755c17-1/
libnm-device-plugin-bluetooth.so)
Sep 07 23:47:02 bingo-xps-9570 daemon/loader[839]: loader.go:151: enable module bluetooth
Sep 07 23:47:02 bingo-xps-9570 daemon/loader[839]: loader.go:159: enable module bluetooth done, cost 893.807µs
Sep 07 23:47:02 bingo-xps-9570 daemon/bluetooth[839]: config.go:46: load bluetooth config file: /home/bingo/.config/deepin/bluetooth.json
Sep 07 23:47:26 bingo-xps-9570 daemon/bluetooth[839]: agent.go:242: failed to register agent: Failed to activate service 'org.bluez': timed out (service_start_timeout=25000ms)
Sep 07 23:47:51 bingo-xps-9570 daemon/bluetooth[839]: bluetooth.go:236: Failed to activate service 'org.bluez': timed out (service_start_timeout=25000ms)
-> bluetooth.go:211
Sep 07 23:51:05 bingo-xps-9570 NetworkManager[377]: <info> [1536335465.3553] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.12.3dev+1+g0a3755c17-1/
libnm-device-plugin-bluetooth.so)
Sep 07 23:51:08 bingo-xps-9570 daemon/loader[850]: loader.go:151: enable module bluetooth
Sep 07 23:51:08 bingo-xps-9570 daemon/loader[850]: loader.go:159: enable module bluetooth done, cost 1.300925ms
Sep 07 23:51:08 bingo-xps-9570 daemon/bluetooth[850]: config.go:46: load bluetooth config file: /home/bingo/.config/deepin/bluetooth.json
Sep 07 23:51:33 bingo-xps-9570 daemon/bluetooth[850]: agent.go:242: failed to register agent: Failed to activate service 'org.bluez': timed out (service_start_timeout=25000ms)
Sep 07 23:51:58 bingo-xps-9570 daemon/bluetooth[850]: bluetooth.go:236: Failed to activate service 'org.bluez': timed out (service_start_timeout=25000ms)
-> bluetooth.go:211