因学习需要在影院观看视频，反复间断的暂停几次，蓝牙就会断开消失无法连接，只能通过重启操作系统恢复。

相关日志：

─[wingsummer][wingsummer-PC][~]
└─➞ dmesg | grep Bluetooth
[    6.339319] Bluetooth: Core ver 2.22
[    6.339347] Bluetooth: HCI device and connection manager initialized
[    6.339442] Bluetooth: HCI socket layer initialized
[    6.339444] Bluetooth: L2CAP socket layer initialized
[    6.339448] Bluetooth: SCO socket layer initialized
[    6.491246] Bluetooth: hci0: Legacy ROM 2.x revision 5.0 build 25 week 20 2015
[    6.493795] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq
[    6.551355] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    6.551358] Bluetooth: BNEP filters: protocol multicast
[    6.551362] Bluetooth: BNEP socket layer initialized
[    6.731234] Bluetooth: hci0: Intel BT fw patch 0x42 completed & activated
[   24.681067] Bluetooth: RFCOMM TTY layer initialized
[   24.681073] Bluetooth: RFCOMM socket layer initialized
[   24.681076] Bluetooth: RFCOMM ver 1.11
[   40.128270] Bluetooth: hci0: Opcode 0x 401 failed: -16
[   47.008267] Bluetooth: hci0: Opcode 0x 401 failed: -16
[   56.007239] Bluetooth: hci0: Opcode 0x 401 failed: -16
[ 1772.023775] Bluetooth: hci0: command 0x0c03 tx timeout
[ 1780.023733] Bluetooth: hci0: sending initial HCI reset failed (-110)