On Tuesday, February 18, 2014 11:15:08 PM Matthew Garrett wrote: > On Wed, 2014-02-19 at 00:26 +0100, Rafael J. Wysocki wrote: > > On Tuesday, February 18, 2014 11:28:29 AM 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. Set the default to Y in order to encourage distributions and > > > users to configure kernels to avoid awkward surprises. > > > > Do you have any examples of problems caused by that or is this just theoretical > > at the moment? > > For example, if you load the ACPI power meter driver before you've > installed the ACPI IPMI driver you'll typically get failures (most > vendors implement it via IPMI). Well, any specific machine from any specific vendor? -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- 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
