Notes on Bluetooth on Linux internals

Introduction These are notes I made while trying to make my Sony WH-CH510 bluetooth headphones work properly with my Linux Mint 19 machine. It’s evident that an upgrade of the whole OS would have fixed the problem, but I have my opinion on upgrades. The problem: It takes a long time for the headphones to [...]

Linux: Atheros QCA6174′s Bluetooth disappearing after reboot

When Bluetooth goes poof Having rebooted my computer after a few months of continuous operation, I suddenly failed to use my Bluetooth headphones. It took some time to figure out that the problem wasn’t with the Cinnamon 3.8.9 fancy stuff, nor the DBus interface, which produced error messages. There was simply no Bluetooth device in [...]

Pairing a mobile phone with VW RCD 510 / Kufatec Fiscon car radio

I struggled with this a bit, and ended up doing it right by guessing. Even though I should have read the manual to begin with. So the procedure is simple (cited from manual, page 7, “Pairing”): Turn the ignition on. Make sure the Bluetooth feature of your phone is turned on. Start the pairing procedure [...]