Bluetooth headsets - what works?

[regivanx]

Hello!

On default Debian GNU/Linux 9.11 (stretch), my Bluetooth headsets works some minutes,  then disconnects, even after installing pulseaudio-module-bluetooth package and WIFI off.

According to journalctl, several bugs can happen:

Code:

Loading LTKs timed out for hci0
Failed to set mode: Failed (0x03)

Suspend: Connection timed out (110)
Abort: Connection timed out (110)

Debian-Desktop dbus[407]: [system] Rejected send message, 3 matched rules; type="method_return", sender=":1.42" (uid=1000 pid=838 comm="/usr/bin/pulseaudio --start --log-target=syslog ") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.10" (uid=0 pid=659 comm="/usr/lib/bluetooth/bluetoothd ")

The bug can crash mplayer and youtube player (but not vlc)

According to bluetoothctl, after the bug happening, the controler is off, and this is impossible to turn it on.

Code:

[bluetooth]# power on
Failed to set power on: org.bluez.Error.Failed

Some internet users say this is a kernel bug, but this is an old post:

je pense que c'est un bug dans le Kernel puisque que quand je boote en 4.4.8 tout fonctionne correctement... A noter qu'en 4.4.9 hciconfig me renvoit toujours un timeout

(I think it's a bug in the Kernel since when I boot in 4.4.8 everything works correctly ... Note that in 4.4.9 hciconfig always sends me a timeout)

More recent link on a kernel bluetooth bug (Fedora):

Bluetooth stopped working with kernel update 5.0.16-100

Debian Stretch's kernel version : 4.4.207 aarch64...