On Mon, Nov 13, 2006 at 07:09:29PM +0000, Patrick Welche wrote:
> On Wed, Nov 08, 2006 at 07:27:31PM +0100, Manuel Bouyer wrote:
> > Hi,
> > we're starting to see systems where the legacy BIOS is broken (regarding
> > interrupts in my case), and we have to use a ioapic+ACPI kernel to get
> > devices working properly (in my specific case: on the newest supermicro
> > mainboards, the legacy interrupts for wm0 and wm1 are swapped; because of
> > this the kernel enters an interrupt a soon as one of the interface is
> > configured).
> > 
> > Shall we provide a INSTALL.ACPI kernel ? Of couse this also mean we have to
> > be able to boot it. In my case I use PXE so it's not an issue; I don't
> > know if the boot loader can now select different kernels from a cdrom boot.
> 
> What happens when acpi is enabled in the kernel, but not present on the
> computer?

I think in this case the legacy PIC is used, but I didn't try

> Would it be safe to simply switch on acpi in INSTALL?

The main problem is that there are some brocken ACPI implementations out
there (and still some bugs left in our ACPI code I guess). So we really need
both ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--