On Mon, 2004-10-11 at 22:37, thewade wrote: > Is there a way to tell from inside linux, for example a message sent > to the kernel, what method acpi uses to access the hardware? > According to Linus, no: http://lkml.org/lkml/2004/10/10/120 Maybe the "lapic" option will help you. I believe someone reported that this reduced xruns. Lee