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Date:      Thu, 21 Jun 2001 23:34:02 -0700
From:      "Ted Mittelstaedt" <tedm@toybox.placo.com>
To:        <js43064n@pace.edu>, <freebsd-questions@FreeBSD.ORG>, <freebsd-stable@FreeBSD.ORG>, <freebsd-security@FreeBSD.ORG>
Subject:   RE: Kernel Panic
Message-ID:  <004a01c0fae5$539c9780$1401a8c0@tedm.placo.com>
In-Reply-To: <200106211959.AA49807526@stmail.pace.edu>

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That absolutely will not crash a FreeBSD system that's not
got other problems.

However, what I think is going on here is that the system that
you ran this on has buggy disk hardware.  It's probably some
IDE disk, right?

I've got a system here that I've tried 5 different IDE paddle
cards in, and on every one I've tried installing FreeBSD and
doing different operations and within about 20 minutes I
had crashed it and screweged the filesystem.

I finally got so annoyed I dug up an old AHA1520 SCSI card
and slapped a 1GB SCSI disk on it (the system isn't intended
to be doing anything fancy) and it's been solid as a rock
ever since.  The best conclusion I have is that the ISA bus
in the system has some clock speed error that doesen't affect
the SCSI disk system.

Ted Mittelstaedt                      tedm@toybox.placo.com
Author of:          The FreeBSD Corporate Networker's Guide
Book website:         http://www.freebsd-corp-net-guide.com


>-----Original Message-----
>From: owner-freebsd-questions@FreeBSD.ORG
>[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Jonathan Slivko
>Sent: Thursday, June 21, 2001 4:59 PM
>To: freebsd-questions@FreeBSD.ORG; freebsd-stable@FreeBSD.ORG;
>freebsd-security@FreeBSD.ORG
>Subject: Kernel Panic
>
>
>Hello,
>
>I just wrote a little shell script that, on the machine I tested 
>it on, crashed the box and forced a reboot. The contents of the 
>script was:
>
>#!/bin/sh
>pine -i
>rm -rf $HOME/dead.letter
>
>Thats the whole script. I don't see how something like that could 
>cause a kernel to crash. Would anyone mind trying to replicate 
>this on a test box. If it's a security issue, i'll forward it to 
>security when I get more information.
>
>-- Jonathan
>
>______________________________________________
>Jonathan M. Slivko <js43064n@pace.edu>
>Technical Support, Black Lotus Communications
>http://www.blacklotus.net -- check us out!
>---------------------------------------------- 
>
>___________________________________________________________________
>___
>Sent via the Pace University Mail system at stmail.pace.edu
>
>
> 
>                   
>
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