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.
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.