Ubuntu 18.04 has issues , bluetooth headphone doesn't connect or not added in output sound device after resume. Restarting headphone doesn't work, tested with two different headphones.
workaround : sudo service bluetooth restart version : bluez 5.48 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1561474 Title: Bluetooth will be disable after resume from suspend on Xenial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1561474/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs