Public bug reported:
Using the core18 image from
http://cdimage.ubuntu.com/ubuntu-core/18/stable/current/
Kernel snap: 4.15.0-39.42 (72)
rfkill shows there is an hci0 device:
$ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
But bluetoothctl does not detect any controller:
$ sudo bluetoothctl
08:58 Agent registered
08:58 [bluetooth]# list
[...no output...]
If you revert to the 4.4 kernel [4.4.0-1106.111 (76)] it works:
$ sudo bluetoothctl
[NEW] Controller 00:00:00:00:5A:AD BlueZ 5.47 [default]
Agent registered
[bluetooth]# list
Controller 00:00:00:00:5A:AD BlueZ 5.47 [default]
[bluetooth]# show
Controller 00:00:00:00:5A:AD
Name: BlueZ 5.47
Alias: BlueZ 5.47
Class: 0x00000000
Powered: no
Discoverable: no
Pairable: yes
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: OBEX File Transfer (00001106-0000-1000-8000-00805f9b34fb)
UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
UUID: OBEX Object Push (00001105-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: IrMC Sync (00001104-0000-1000-8000-00805f9b34fb)
UUID: Vendor specific (00005005-0000-1000-8000-0002ee000001)
UUID: Message Notification Se.. (00001133-0000-1000-8000-00805f9b34fb)
UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
UUID: Message Access Server (00001132-0000-1000-8000-00805f9b34fb)
Modalias: usb:v1D6Bp0246d052F
Discovering: no
** Affects: linux-snapdragon (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1810797
Title:
bluetooth controller not detected with 4.15 kernel
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