The hang is not a regression, it happens if hdmi is left plugged in when rebooting/shutting down. It doesn't hang if hdmi is plugged in before booting up.
This is filed now upstream: https://bugs.freedesktop.org/show_bug.cgi?id=91905 ** Bug watch added: freedesktop.org Bugzilla #91905 https://bugs.freedesktop.org/show_bug.cgi?id=91905 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1490895 Title: Skylake/Broadwell/Haswell: No HDMI audio jack detection in D3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1490895/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
