Both kernels behave like any of the kernels from 4.5: no sound on HDMI. Recapping:
Ubuntu 4.4.0-59: HDMI audio works properly Mainline 4.4 (any): i915 drm driver does not seem to support Skylake, HDMI audio not enumerated All of the below kernels exhibit the same problem: HDMI produces no sound Mainline 4.5rc1 Mainline 4.5 final Mainline 4.6 final Ubuntu 4.6.0-10 Mainline 4.7 final Mainline 4.8 final Ubuntu 4.8.0-11 Ubuntu 4.8.0-34 Mainline 4.9 final Mainline 4.10rc5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1657994 Title: Regression: HDMI audio produces no sound (Skylake NUC) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1657994/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
