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You didn't mention whether or not you had a dummy card for the unused slot. If you don't check with the manufacturer about it, if you do check to see that it's seated correctly.
Carl
-----Original Message-----
From: maney@pobox.com [mailto:maney@pobox.com]
Sent: Friday, March 09, 2001 4:12 PM
To: luni@luni.org
Subject: Re: [LUNI] APIC messages on boot..
On Fri, Mar 09, 2001 at 03:07:20PM -0600, Jason Cornelius wrote:
> Yes,
> it hangs. I was thinking along the same lines that you had mentioned
> before, but I do not have a lot
> of experience with SMP, so I wasn't positive that this was the problem.
> Do you know what/if I can correct it?
No, but I can make some theoretical suggestions. I would like it to be that
the BIOS is setting something up in a way that ultimately causes the hang
when the kernel assumes that it was set to match reality. Since I've never
had a dual processor board, I'm only guessing that there might be some
settings that affect this - perhpas accidentally.
The other obvious thing to try would be to see if a non-SMP kernel will boot
on this hardware.
Beyond that I'm afraid I start wondering if anyone would be so silly as to
build a dual-CPU mobo that just didn't work entirely right without both CPUs
installed and, presumably, working. This isn't what I would expect from
anything I've learned about SMP, but designers sometimes do really weird
things...
I guess if the kernel is getting loaded and it dies when it tries to setup
(probe?) the SMP specific aspects of the hardware that it might just be that
an SMP kernel doesn't get along with an SMP board with a single CPU.
I was really hoping (and expecting) that we'd hear from someone with
personal experience with SMP machines - I know we've got a fair number of
them out there in Luniland.
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: Mon Mar 12 2001 - 07:22:23 CST