bluetoothctl 没有可用的默认控制器 [英] bluetoothctl No default controller available
问题描述
这里有点有线.
我有一个问题是 bluetoothctl 总是说没有可用的默认控制器".我发现有很多人和我有同样的问题.但情况与他们有些不同.
I have a problem is bluetoothctl always said "No default controller available". I found there are many people had same problem with me. But the situation is a bit different from them.
我可以看到我的 hciconfig -a 有如下信息
I can see my hciconfig -a have information like below
hcitool dev 似乎也没有问题.
And hcitool dev seems no problem as well.
但我不知道为什么我的蓝牙控制总是说没有可用的默认控制器"
But I have no idea why my bluetoothctl always said "No default controller available"
即使我几次调低和调高 hci0 也是如此.总是遇到同样的问题.
Even when I turn down and turn up hci0 several times. It always in the same problem.
顺便说一句，我的 BlueZ 是 5.39.我在 buildroot 上尝试了这个实验.内核是 3.10
BTW, my BlueZ is 5.39. And I tried this experiment on buildroot. Kernel is 3.10
推荐答案
遇到了同样的问题.利用:$ sudo bluetoothctl
Had the same problem. Use:
$ sudo bluetoothctl
然后自动找到控制器.我也试过 https://www.raspberrypi.org/forums/viewtopic.php?t=207025 之前.也许这影响了解决方案.
Then the controller was found automatically. I also tried https://www.raspberrypi.org/forums/viewtopic.php?t=207025 before. Maybe this effected the solution.
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