Of course no power management worked without ACPI. ACPI *is* power management. However, it seems to me that you've all hit an ACPI bug and that mem=4096 is just a workaround for it.
-- 64-bit Intrepid automatic permanent reboot loop related to having exactly 4GB of memory https://bugs.launchpad.net/bugs/272530 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
