Here are the Linux messages. ** Attachment added: "Linux messages with `acpi=off debug` on the Linux command line" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883019/+attachment/5382802/+files/morley-acpi-off.txt
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1883019 Title: Dell Precision 3540: Starting with acpi=off does not power off To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883019/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs