Kernel 3. 8.0-19.30 didn't work for me either. No hdmi sound. I'm using kernel 3.9 and it works great.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169984 Title: 3.8.0-18 HDMI audio regression: Either oops or opening device fails with -ENODEV To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-release-notes/+bug/1169984/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs