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Mail Archives: djgpp/1999/02/07/04:51:12

Date: Sun, 7 Feb 1999 11:48:16 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Paul Derbyshire <pderbysh AT usa DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: Is that bug ?
In-Reply-To: <3.0.6.32.19990206173707.008b4a20@pop.netaddress.com>
Message-ID: <Pine.SUN.3.91.990207114524.15342L-100000@is>
MIME-Version: 1.0
Reply-To: djgpp AT delorie DOT com

On Sat, 6 Feb 1999, Paul Derbyshire wrote:

> >Under DOS, Unix that program is crashed, BUT
> >under Windows that program won't crash.
> >What is it ? Is that bug ?
> 
> Yep. It is. It's been known about for quite some time. Unfortunately, Bill
> Gates seems disinclined to take a few minutes to fix it even while he's
> giving away 4 billion dollars to various charitable organizations.
> :-)

Somebody whose opinions I trust told me that if Windows included null 
page protection, gobs of Windows own code would immediately begin 
crashing.  So there might be some reason why MS doesn't fix that.

(In case you didn't know: when Windows starts up, its kernel loads into 
the system VM as a DPMI client.  Imagine what would happen with null page 
protection...)

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