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Date:      Thu, 07 Jan 1999 08:31:04 -0700
From:      "Scott Worthington" <SWorthington@hsag.com>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Signal 11 occuring frequently from 2.2.8-Release -Reply
Message-ID:  <s694716c.020@bvainc.com>

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>>> Greg Lehey <grog@lemis.com> January 7, 1999  12:46 am >>>
On Wednesday,  6 January 1999 at 16:01:19 -0700, Scott Worthington wrote:
> I am experiencing numberous Signal 11 after upgrading to
> 2.2.8-Release on two different machines.
>
> The machines (two) did not exhibit this problem under 2.2.7-Release.
>
> Both machines are 486 DX2/66, one has 32MB Parity RAM and the other
> has 64MB Parity RAM (I've checked if RAM was a problem, but it does
> not fix the signal 11).
>
> Signal 11 usually occurs while compiling (gcc or cc) and it also
> happens when Apache 1.3.3 is running (as proxy server).
>
> The first machine was CVS and a "make world" was performed from
> 2.2.7 to 2.2.8 on Dec 11, 1998.
>
> The second machine was built from the Walnut Creek CD-ROMs
> (2.2.8-Release).
>
> Any idea or is this a true bug in the CD-ROM 2.2.8-Release?

>This is an almost classical case of hardware problems.  It's confusing
>that it started happening round the time you installed 2.2.8, but I'm
>sure that's not the problem.  Did you maybe add memory to the machine
>at the same time?  Or perform some other hardware modification,
> maybe changing the BIOS parameters?
>
>Greg

There were no changes in the BIOS, but I am researching if changing the wait states in the BIOS has any positive effects.

I did notice that there is a SIGNAL 11 FAQ (for Linux but very applicable to FreeBSD) out on the Internet that does mention the classic
symptoms of RAM/MOTHERBOARD/ETC problems that generate
SIGNAL 11 problems.

Scott

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