On Tue, Feb 18, 2014 at 11:28:29AM -0500, Matthew Garrett wrote: > The ACPI IPMI driver implements IPMI operation region support for the ACPI > core. Systems that declare ACPI operation regions may reference them at any > time, including during kernel initialisation. These accesses will fail > unless the ACPI IPMI driver is present, and undesirable system behaviour > may result. Could you be more specific? Is the problem kernel code trying to use IPMI functionality before the ipmi_si driver is loaded? Or something else? What is the "undesirable system behaviour"? > Set the default to Y in order to encourage distributions and > users to configure kernels to avoid awkward surprises. What are the "awkward surprises"? Thanks, -- Russ Anderson, Kernel and Performance Software Team Manager SGI - Silicon Graphics Inc rja@xxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html