This problem has been known for 5 years and has not yet been resolved https://github.com/raspberrypi/linux/issues/688
** Bug watch added: github.com/raspberrypi/linux/issues #688 https://github.com/raspberrypi/linux/issues/688 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1857227 Title: PulseAudio sound disappears on hdmi via stereo output To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1857227/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs