This bug is back, even after installing Alsa Driver Modules (https://wiki.ubuntu.com/Audio/InstallingLinuxAlsaDriverModules).
Adding this PPA solves it:
sudo add-apt-repository ppa:diwic/jack-detection
This bug is back, even after installing Alsa Driver Modules (https:/ /wiki.ubuntu. com/Audio/ InstallingLinux AlsaDriverModul es).
Adding this PPA solves it:
sudo add-apt-repository ppa:diwic/ jack-detection