Intel DP45SG motherboard problem (amd64)

[John Baldwin]

On Sunday 21 February 2010 9:31:11 am Alastair Hogge wrote:
> > > Hello all.
> > > I have a problem with Intel LGA775 DP45SG Intel P45/ICH10R motherboard
> > > on FreeBSD/amd64. Any devices (keyboard, sata, net) don't work after
> > > kernel loading. It works for i386 (expect for keyboard: first pressed
> > > key "sticks").
> > > FreeBSD versions that i tried are: 7.0-RELEASE, 7.2-RELEASE, 8.0-CURRENT
> > > There was no difference with/without ACPI.
> > > I connect serial console, boot -v and I'm seeing FreeBSD complaining
> > > about inability to allocate interrupts for devices, like the log below:
> >
> > Try 'device mptable'.  Also, do you have an i386 dmesg?
> >
> > --
> > John Baldwin
> Hello John,
> 
> In regards to an old email thread:
> http://lists.freebsd.org/pipermail/freebsd-hardware/2009-
June/thread.html#5887
> 
> I've attached the i386 dmesg & "mptable device" from a 9.0-CURRENT -r204168 
> system which still fails on booting an amd64 CD.

You need to build a custom amd64 kernel which includes "device mptable" and 
use that.  You may need to set 'hint.acpi.0.disabled=1' as well to force ACPI 
to be disabled.

-- 
John Baldwin