With acpi=noirq I confirm that can boot kernels>=4.3 (I'm writing this from 4.4.0-28-generic) but does not actually power down
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1463422 Title: [Lenovo IdeaCentre A740] Doesn't poweroff on shutdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1463422/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs