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Date:      Thu, 19 Apr 2007 09:44:02 -0400
From:      "David Robillard" <david.robillard@gmail.com>
To:        "FreeBSD Questions" <freebsd-questions@freebsd.org>
Cc:        Murray Taylor <MTaylor@bytecraft.com.au>
Subject:   Re: IBM / FreeBSD - Install Update - Seems to be ACPI
Message-ID:  <226ae0c60704190644m167e95enfa40296959c3b814@mail.gmail.com>

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>In our initial posts, we stated that we seemed to be having issues
>getting the machine to boot with the 4 processors, so to bypass this we
>disabled ACPI on boot. This allowed us to get past the CPU error and
>continue to boot. However down the track we noticed things like the
>ethernet adapater not getting picked up, and the big problem - none of
>the disks getting recognised.
>
>We have since tried a few things, one of which was removing all but one
>of the CPU's. If we do this, and boot with ACPI enabled, all is totally
>fine. All disks are found, and I receive no CPU panic error.
>
>So it appears to me that by disabling ACPI in an attempt to bypass the
>QUAD CPU problem, we are causing another issue behind the scenes.
>
>The root of the problem now appears to be, that if we have anything over
>1 CPU, directly after the kernel is loaded (when booting from the CD),
>we receive the error message "panic: madt_probe_cpus_handler: CPU ID 38
>Too High". The moment a second CPU to the machine....it bombs out.


Have you tried to present this issue to some specific FreeBSD mailing lists?
I believe some of these might be more suited to help you.

These lists come to mind:

FreeBSD Bugs
http://lists.freebsd.org/mailman/listinfo/freebsd-bugs

FreeBSD ACPI
http://lists.freebsd.org/mailman/listinfo/freebsd-acpi

FreeBSD Hardware
http://lists.freebsd.org/mailman/listinfo/freebsd-hardware

Good luck !

David
-- 
David Robillard
UNIX systems administrator & Oracle DBA
CISSP, RHCE & Sun Certified Security Administrator
Montreal: +1 514 966 0122



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