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Date:      Mon, 21 Feb 2000 18:31:29 -0700 (MST)
From:      "Forrest W. Christian" <forrestc@iMach.com>
To:        "Ljungqvist, Lennart" <lennart.ljungqvist@telia.com>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: Signal 11 error when installing 3.4 STABLE
Message-ID:  <Pine.BSF.4.21.0002211823250.20246-100000@workhorse.iMach.com>
In-Reply-To: <005201bf7cbc$f14fd4e0$0101a8c0@lelle>

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On Mon, 21 Feb 2000, Ljungqvist, Lennart wrote:

> What is this signal 11 error, and why is it turning my
> installation/uppgrading into nothing???

I think it's time to add this to some FAQ somewhere.

Signal 11 is a segmentation fault.

Although it CAN be a software bug, usually this is caused by a hardware
fault.

There is a linux-based faq at:
   http://www.bitwizard.nl/sig11/

Although some parts are linux-specific, most of the contents of this page
are useful for FreeBSD.  

If you'd like my recommendation on what to look for, I'd recommend:

	1)  Check/replace your memory and verify related bios settings.
	2)  Check for a faulty SCSI/IDE controller
        3)  Double check your memory
        4)  Try swapping out cards in bus slots, or leaving some out
        5)  Try a different set of memory chips and check bios settings.
        6)  Try another processor/motherboard.
        7)  Did I mention to check your memory and memory-related bios
settings?

FWIW, I HAVE had one time where a Adaptec 1542 did not like the
motherboard it was in and that gave me sig 11's.

But usually it is memory.

- Forrest W. Christian (forrestc@imach.com) KD7EHZ
----------------------------------------------------------------------
iMach, Ltd., P.O. Box 5749, Helena, MT 59604      http://www.imach.com
Solutions for your high-tech problems.                  (406)-442-6648
----------------------------------------------------------------------



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