当我单击蓝牙图标时，面板打开，但当我搜索/扫描设备时，没有找到任何设备，同样没有人可以通过其他设备找到我。
我在终端中运行了dmesg | grep -i blue。输出如下：
[ 2.257690] usb 1-7: Product: Bluetooth Radio
[ 13.262616] Bluetooth: Core ver 2.21
[ 13.262631] Bluetooth: HCI device and connection manager initialized
[ 13.262633] Bluetooth: HCI socket layer initialized
[ 13.262635] Bluetooth: L2CAP socket layer initialized
[ 13.262645] Bluetooth: SCO socket layer initialized
[ 13.768062] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
[ 13.768065] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[ 13.886089] Bluetooth: hci0: rom_version status=0 version=1
[ 31.058448] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 31.058451] Bluetooth: BNEP filters: protocol multicast
[ 31.058455] Bluetooth: BNEP socket layer initialized
[ 33.062823] Bluetooth: hci0 command 0x0c56 tx timeout
[ 51.030259] Bluetooth: RFCOMM TTY layer initialized
[ 51.030272] Bluetooth: RFCOMM socket layer initialized
[ 51.030278] Bluetooth: RFCOMM ver 1.11
我怎样才能解决这个问题？
以下是 o 命令的输出lspci：
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:04.0 Signal processing controller: Intel Corporation Broadwell-U Camarillo Device (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.1 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #2 (rev e3)
00:1c.2 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1c.3 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #4 (rev e3)
00:1c.4 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #5 (rev e3)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
08:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 0a)
0a:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 940M] (rev a2)