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在 18.04 中蓝牙无法扫描设备，也看不到

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在 18.04 中蓝牙无法扫描设备，也看不到

今天我安装了 Ubuntu 18.04，但我遇到了蓝牙问题。一切似乎都很好，但在扫描时，过程会无限期地持续下去，无法扫描任何设备，甚至在其他设备中也看不到。下面给出了一些输出，可能会有所帮助：-

 shalender@shalender-SVF1521ASNB:~/$ lspci -knn | grep Net -A3; lsusb
07:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Foxconn International, Inc. BCM43142 802.11b/g/n [105b:e071]
08:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader [10ec:5209] (rev 01)
    Subsystem: Sony Corporation RTS5209 PCI Express Card Reader [104d:90b8]
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0bda:5729 Realtek Semiconductor Corp. 
Bus 001 Device 003: ID 0489:e062 Foxconn / Hon Hai 
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 2717:ff88  
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub



      shalender@shalender-SVF1521ASNB:~/$ bluetoothctl
        [NEW] Controller 3C:77:E6:E3:F7:3E shalender-SVF1521ASNB [default]
        Agent registered
        [bluetooth]# power on
        Changing power on succeeded
        [bluetooth]# scan on
        Discovery started
        [CHG] Controller 3C:77:E6:E3:F7:3E Discovering: yes
        [CHG] Controller 3C:77:E6:E3:F7:3E DiscoverableTimeout: 0x00000000
        [CHG] Controller 3C:77:E6:E3:F7:3E DiscoverableTimeout: 0x00000000
        [CHG] Controller 3C:77:E6:E3:F7:3E Discoverable: yes


shalender@shalender-SVF1521ASNB:~/$ lspci -knn | grep Net -A3; lsusb
07:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Foxconn International, Inc. BCM43142 802.11b/g/n [105b:e071]
    Kernel driver in use: wl
    Kernel modules: wl
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0bda:5729 Realtek Semiconductor Corp. 
Bus 001 Device 003: ID 0489:e062 Foxconn / Hon Hai 
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 2717:ff88  
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


shalender@shalender-SVF1521ASNB:~/$ dmesg | grep -i blue
[   36.223354] Bluetooth: Core ver 2.22
[   36.223384] Bluetooth: HCI device and connection manager initialized
[   36.223390] Bluetooth: HCI socket layer initialized
[   36.223393] Bluetooth: L2CAP socket layer initialized
[   36.223403] Bluetooth: SCO socket layer initialized
[   36.750527] Bluetooth: hci0: BCM: chip id 70
[   36.751486] Bluetooth: hci0: BCM: features 0x06
[   36.767489] Bluetooth: hci0: BCM43142A
[   36.768491] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0000
[   36.907103] bluetooth hci0: Direct firmware load for brcm/BCM43142A0-0489-e062.hcd failed with error -2
[   36.907110] Bluetooth: hci0: BCM: Patch brcm/BCM43142A0-0489-e062.hcd not found
[   38.912107] Bluetooth: hci0: command 0x1003 tx timeout
[   47.501405] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   47.501409] Bluetooth: BNEP filters: protocol multicast
[   47.501420] Bluetooth: BNEP socket layer initialized
[   51.460022] Bluetooth: hci0: command 0x1003 tx timeout
[   87.464271] Bluetooth: RFCOMM TTY layer initialized
[   87.464285] Bluetooth: RFCOMM socket layer initialized
[   87.464296] Bluetooth: RFCOMM ver 1.11

答案1

你有一个错误

bluetooth hci0: Direct firmware load for brcm/BCM43142A0-0489-e062.hcd failed with error -2

您应该安装适合您的蓝牙接口的驱动程序

答案2

wget -c https://github.com/winterheart/broadcom-bt-firmware/blob/master/brcm/BCM43142A0-0489-e062.hcd

移动或复制固件文件/lib/firmware/brcm/

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