I am experiencing this issue as well on my Intel NUC with the 3.19.0-18 kernel. Reverting to 3.19.0-16 works around the issue.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1457369 Title: kernel 3.19.0-18 breaks HDMI audio for snd_hda_intel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1457369/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs