That's it! On firejail web page there is statement that this is bug in PulseAudio 7.0, but it looks like it effects PulseAudio 8.0 also, getting version by typing: pulseaudio --version
Work-around solution described in your firejail.wordpress.com link fixes the problem.
That's it! On firejail web page there is statement that this is bug in PulseAudio 7.0, but it looks like it effects PulseAudio 8.0 also, getting version by typing: pulseaudio --version
Work-around solution described in your firejail. wordpress. com link fixes the problem.