Ubuntu 20.04 蓝牙不工作

Question

我已经安装了 Ubuntu 20.04，但蓝牙对我不起作用。但是如果我从 USB 启动它，它可以在实时会话中工作。有人可以帮我吗？

systemctl | grep -i blue 输出：

  sys-devices-pci0000:00-0000:00:14.0-usb1-1\x2d14-1\x2d14:1.0-bluetooth-hci0.device        loaded active     plugged   /sys/devices/pci0000:00/0000:00:14.0/usb1/1-14/1-14:1.0/bluetooth/hci0     
  sys-subsystem-bluetooth-devices-hci0.device                                               loaded active     plugged   /sys/subsystem/bluetooth/devices/hci0                                      
  bluetooth.service                                                                         loaded active     running   Bluetooth service                                                          
  bluetooth.target                                                                          loaded active     active    Bluetooth    

dmesg | grep -i blue 输出：

[    2.309059] Bluetooth: Core ver 2.22
[    2.309071] Bluetooth: HCI device and connection manager initialized
[    2.309073] Bluetooth: HCI socket layer initialized
[    2.309074] Bluetooth: L2CAP socket layer initialized
[    2.309076] Bluetooth: SCO socket layer initialized
[    3.413708] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    3.413710] Bluetooth: BNEP filters: protocol multicast
[    3.413713] Bluetooth: BNEP socket layer initialized
[    4.342171] Bluetooth: hci0: command 0xfc05 tx timeout
[    4.342173] Bluetooth: hci0: Reading Intel version information failed (-110)
[  193.048690] Bluetooth: hci0: command 0xfc05 tx timeout
[  193.048749] Bluetooth: hci0: Reading Intel version information failed (-110)

lspci 输出：

00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 07)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 07)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)
00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 (rev 10)
00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
00:17.0 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 10)
00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #9 (rev f0)
00:1d.5 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #14 (rev f0)
00:1d.6 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #15 (rev f0)
00:1f.0 ISA bridge: Intel Corporation HM470 Chipset LPC/eSPI Controller (rev 10)
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
01:00.0 VGA compatible controller: NVIDIA Corporation GP107M [GeForce GTX 1050 3 GB Max-Q] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1)
02:00.0 Non-Volatile memory controller: Phison Electronics Corporation Device 5008 (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 16)
04:00.0 Unassigned class [ff00]: Alcor Micro AU6625 PCI-E Flash card reader controller

lspci -k -s 00:14.3 输出：

00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)
    DeviceName: WLAN
    Subsystem: Intel Corporation Wireless-AC 9560 [Jefferson Peak]
    Kernel driver in use: iwlwifi
    Kernel modules: iwlwifi

蓝牙控制：

[bluetooth]# list
[bluetooth]# power on
No default controller available

rfkill list all 输出：

0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

lsusb 输出：

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 04f2:b627 Chicony Electronics Co., Ltd HP Wide Vision HD Camera
Bus 001 Device 003: ID 8087:0aaa Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Answer 1

我遇到了同样的问题，从 Windows 热启动切换到 Ubuntu 后，蓝牙无法工作。我在这里遵循了 Ubuntu 错误报告，并且蓝牙功能齐全。使用以下命令：

1. sudo rmmod btusb
2. sudo modprobe btusb

Answer 2

我在 ubuntu 20.04 的蓝牙上遇到了同样的问题，并通过这种方式修复

sudo apt install blueman

sudo add-apt-repository ppa:blaze/rtbth-dkms
sudo apt-get update
sudo apt-get install rtbth-dkms

sudo vim /etc/modules

全部注释并添加这一行

rtbth

重新启动并打开

sudo blueman-manager

如果还是不行，试试这个

sudo rmmod btusb
sleep 1
sudo modprobe btusb

如果还是不行，试试这个

/etc/default/grub用这个值更新

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pci=nommconf pcie_aspm=off"

更新 grub

sudo update-grub

然后reboot享受你的音乐

Answer 3

我也遇到过这个问题。对我来说，错误与python有关。问题出在 3.7 版上。对我来说，以下工作有效：

我卸载了蓝牙：

sudo apt remove blueman

sudo apt autoremove

然后将您的python版本更改为3.6或3.8：

sudo update-alternatives --config python3

如果此命令不起作用，则需要运行：

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 1

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.8 2

然后，重新运行命令以更改 python 版本。

要安装蓝牙，必须有python-gi，为此，执行以下命令：

sudo apt install python3-gi

之后，再次安装蓝牙：

sudo apt install blueman -y && blueman-manager

这些是我遵循的步骤并且它起作用了，但也许只是更改 python 的版本就可以了。当我尝试返回 python 3.7 时，蓝牙再次停止工作。我不知道如何解决这个问题，我只是停止使用 3.7 版。

希望这可以帮助。

Answer 4

经过一番研究，我发现了这个错误报告。此链接报告的错误与我的系统中发生的情况类似。当我从 Windows 热重启到 Ubuntu 时会发生这种情况，对我有用的解决方案是每当我在 Windows 上使用蓝牙设备时进行冷重启。

雷德桑德罗（redsandro）于2020年4月17日写道：

因此，我倾向于相信 Linux 蓝牙驱动程序将蓝牙硬件置于某种状态，该状态在热重启后持续存在，但不会影响 Windows 驱动程序与蓝牙硬件成功交互。

我认为这是一个软件错误，来自蓝牙硬件的特定状态或信号被 Linux 驱动程序误解，导致其停止工作。