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Date: Thu, 26 Sep 2002 12:59:57 +0300
From: Ville Herva <vherva@niksula.hut.fi>
To: Alan Cox <alan@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.2.22 on HP Vectra 90/5: Machine check exception on boot
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On Thu, Sep 26, 2002 at 05:49:33AM -0400, you [Alan Cox] wrote:
> > CPU0 Machine check exception 0x  10E2C0 (type 0x    09)
> > 2.0.35 does boot just fine.
> 
> MCE comes from the hardware not the OS. You may have another odd box like
> the compaq ones where it seems the external mce trigger isnt wired properly.
> If so boot with "nomce"

(It's actually Vectra XU 5/90, not 90/5 - now that I have physical access to
the box again. The google is full of horror stories about problems with this
particular model ;).

I tried SMP kernel, and it went a little further (no MCE) but it halted
after "Intel old style machine check architecture supported". For some odd
reason, linux says the box has 2 cpu's during boot, but it afaik only has
one.

The I forced mce_disabled to 1 in bluesmoke.c, and the SMP kernel booted.
During init, it oopsed, however.

I then compiled an UP kernel again, with mce_disabled=1 (same as "nomce" I
gather), and it booted.

The 3c509 appears not to work (but was found), scsi cdrom coughs badly but
it did boot :).

Thanks.


-- v --

v@iki.fi
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