FYI, it looks like a slightly different patch has been accepted into the mainline 4.13 kernel:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/pci/fixup.c?h=v4.13-rc1&id=13cfc732160f7bc7e596128ce34cda361c556966 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1587714 Title: MacBookPro11,4 fails to poweroff or suspend To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1587714/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs