RE: IBM / FreeBSD Install problem

Thanks Jerry,

We have determined that our problem is related to the
god-awful mess known as ACPI.

With a single processor installed, it all boots fine, including
finding PCI busses 1 and 2 .... and the raid on the aac driver is
peachy!

With 2 or more processors installed, and ACPI enabled, it panics
with a madt error about id 38 is greater than the allowed max

And with ACPI disabled, it boots, but doesnt find PCI busses 1 and 2,
which is unfortunate as the RAID controller sits in PCI bus 1 ....
and the bge inet interface seems to be on PCI bus 2 ....

So at present we are on the FC6 path, which is obviously much
softer on the vagaries of ACPI and is ignoring the crap data returns.

mjt


-----Original Message-----
From: Jerry McAllister [mailto:jerrymc@xxxxxxx]
Sent: Friday, 20 April 2007 12:40 AM
To: Murray Taylor
Cc: FreeBSD Mailing List; freebsd-hackers@xxxxxxxxxxx
Subject: Re: IBM / FreeBSD Install problem

On Thu, Apr 19, 2007 at 10:14:13AM +1000, Murray Taylor wrote:

Server: IBM X3850 (88633SM)
CPU X 4: 40K2522
HDD X 6: 40K1051
IBM ServeRAID 8i: 39R8729

We are attempting to install FreeBSD 6.2-RELEASE onto this
machine and
are running into a problem getting the operating system to
recognise the
RAID controller. As a result not finding any disks when it comes to
installing the O/S.

We have attempted various modifications to the boot
process, including
the loading of an "aac" module, which according to the BSD website,
should provide support for this type of controller.

I have only installed on a couple of raids and so don't know about
them all or even this one. So, this might not apply to your
situation.
But, I found that I had to study DMESG very carefully to find
out what
device to use for them. The system seemed to put out a lot
of messages
that looked like other device names but in the end there was just one
little line that pointed to the correct one. The most
recent one was
a Dell Perc 3i or something like that and I had to run the fixit and
study the boot messages to figure it out. I don't have that one
available to look at what it turned out to be, but it was more simple
than I first thought from all the stuff it wrote out. After mucking
with fixit a bit, then sysinstall seemed to figure it out OK. I don't
remember actually changing anything - just fishing around a while.
I may have run fdisk under fixit to look at things and maybe delete
some slices.

So, rather than trying to change things right off, I would suggest
looking carefully at stuff and trying to determine what it is already
doing.

Anyway, good luck,

////jerry


When we attempt to boot to OS to install after making these above
modifications, the boot loader advises that this module
already appears
to be loaded, which contradicts what I believe. In any respect, it
doesn't work either way (with or without the module
manually loaded).

One side note (which i don't think is contributing) is that when I
attempt to start the boot loader with ACPI enabled, it
freezes with the
message "cpu id 38 too high". However if I boot the boot loader with
ACPI disabled, this message dissapears. It _may_ be a
possibility that a
bi-product of disabling the ACPI is causing the RAID
controller to have
issues. This appears to be an issue because of the X4 CPU count ??

That's a quick summary of the problem we have, and the
path(s) we have
been down to date to attempt to fix it. Any help you can
provide would
be very much appreciated. We are at the position now where we are
prepared to pay for consulting services to get it going.

Dave Faulkner / Murray Taylor

Bytecraft Systems


--

"Any intelligent fool can make things bigger and more complex... It
takes a
touch of genius - and a lot of courage to move in the opposite
direction."
--Albert Einstein
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