Kernel 4.4.0-040400rc8-generic appears to fix the issue, without having to modify the GRUB.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1505067 Title: [HP Spectre x360 - 13-4001nf] Audio broken, broadwell-U audio controller To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1505067/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
