尝试连接蓝牙扬声器时出错：`org.bluez.Error.Failed`

Question

我正在运行 Debian Jessie 8.2。我有一个蓝牙 USB 加密狗连接到我的机器。

我运行sudo bluetoothctl -a然后执行以下操作：

[NEW] Controller 5C:F3:70:6B:57:60 debian [default]
Agent registered
[bluetooth]# scan on
Discovery started
[CHG] Controller 5C:F3:70:6B:57:60 Discovering: yes
[bluetooth]# devices
[NEW] Device 08:DF:1F:A7:B1:7B Bose Mini II SoundLink
[bluetooth]# pair 08:DF:1F:A7:B1:7B
Attempting to pair with 08:DF:1F:A7:B1:7B
[CHG] Device 08:DF:1F:A7:B1:7B Connected: yes
[CHG] Device 08:DF:1F:A7:B1:7B UUIDs:
    0000110b-0000-1000-8000-00805f9b34fb
    0000110c-0000-1000-8000-00805f9b34fb
    0000110e-0000-1000-8000-00805f9b34fb
    0000111e-0000-1000-8000-00805f9b34fb
    00001200-0000-1000-8000-00805f9b34fb
[CHG] Device 08:DF:1F:A7:B1:7B Paired: yes
Pairing successful
[CHG] Device 08:DF:1F:A7:B1:7B Connected: no
[bluetooth]# trust 08:DF:1F:A7:B1:7B
[CHG] Device 08:DF:1F:A7:B1:7B Trusted: yes
Changing 08:DF:1F:A7:B1:7B trust succeeded
[bluetooth]# connect 08:DF:1F:A7:B1:7B
Attempting to connect to 08:DF:1F:A7:B1:7B
Failed to connect: org.bluez.Error.Failed

但是我可以通过这种方式连接到我的 iPhone。为什么我无法连接到 Bose Mini II SoundLink 扬声器？

Answer 1

这可能是由于pulseaudio-module-bluetooth未安装软件包。如果丢失，请安装它，然后重新启动pulseaudio。

sudo apt install pulseaudio-module-bluetooth 
pulseaudio -k
pulseaudio --start

如果问题不是由于缺少包造成的，那么这种情况下的问题是 PulseAudio 没有赶上。此问题的常见解决方案是重新启动 PulseAudio。请注意，当 PulseAudio 以用户身份运行时，以 root 身份运行 bluetoothctl 完全没问题。重启 PulseAudio 后，重试连接。无需重复配对。

仅当以上不适合您时才继续尝试第二部分：

如果重启PulseAudio不起作用，则需要加载module-bluetooth-discover。

sudo pactl load-module module-bluetooth-discover

可以将相同的 load-module 命令添加到/etc/pulse/default.pa. 如果这仍然不起作用，或者您正在使用 PulseAudio 的系统范围模式，还请加载以下 PulseAudio 模块（同样可以通过您的 default.pa 或 system.pa 加载）：

module-bluetooth-policy
module-bluez5-device
module-bluez5-discover

Answer 2

在配对设备之前先尝试信任设备。
我在尝试将 AirPods 与 Ubuntu 16.04 配对时遇到了同样的错误。
在带有 sudo 的 bluetoothctl 中，我得到了

Attempting to pair with XX:XX:XX:XX:XX:XX  
Failed to pair: org.bluez.Error.AuthenticationCanceled

Attempting to connect to XX:XX:XX:XX:XX:XX  
Failed to connect: org.bluez.Error.Failed

现在这就是我尝试过的（完全进展）

$ sudo bluetoothctl
[bluetooth]# power on
[bluetooth]# agent on
[bluetooth]# default-agent
[bluetooth]# scan on
[NEW] Device XX:XX:XX:XX:XX:XX David's AirPods
[bluetooth]# scan off
[bluetooth]# trust XX:XX:XX:XX:XX:XX
[bluetooth]# pair XX:XX:XX:XX:XX:XX
Attempting to pair with XX:XX:XX:XX:XX:XX
[CHG] Device XX:XX:XX:XX:XX:XX Connected: yes
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX UUIDs: ... 
[CHG] Device XX:XX:XX:XX:XX:XX Paired: yes
Pairing successful
[CHG] Device XX:XX:XX:XX:XX:XX Connected: no
[bluetooth]# connect XX:XX:XX:XX:XX:XX
Attempting to connect to XX:XX:XX:XX:XX:XX
[CHG] Device XX:XX:XX:XX:XX:XX Connected: yes
Connection successful
[bluetooth]# quit

现在 AirPods 在我的 iPhone 和 Ubuntu 之间完美运行。

Answer 3

这个程序对我有用，谢谢。

补充评论：

我试图添加一个蓝牙扬声器，这是我收到的错误消息，

[NEW] Device FC:58:FA:B9:BF:A1 Anker A7910
[bluetooth]# connect FC:58:FA:B9:BF:A1
Attempting to connect to FC:58:FA:B9:BF:A1
[CHG] Device FC:58:FA:B9:BF:A1 Connected: yes
Failed to connect: org.bluez.Error.Failed
[CHG] Device FC:58:FA:B9:BF:A1 Connected: no
[CHG] Device FC:58:FA:B9:BF:A1 Connected: yes
[CHG] Device FC:58:FA:B9:BF:A1 Connected: no

我取下设备，然后重复 David Jung 分享的所有陡峭坡度。

这是它现在的样子：

[Anker A7910]# info FC:58:FA:B9:BF:A1
Device FC:58:FA:B9:BF:A1
    Name: Anker A7910
    Alias: Anker A7910
    Class: 0x260404
    Icon: audio-card
    Paired: yes
    Trusted: yes
    Blocked: no
    Connected: yes
    LegacyPairing: yes
    UUID: Serial Port               (00001101-0000-1000-8000-00805f9b34fb)
    UUID: Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
    UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
    UUID: A/V Remote Control        (0000110e-0000-1000-800

再次感谢