Date: Wed, 12 Jun 1996 16:37:11 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Cc: j DOT aldrich6 AT genie DOT com, djgpp AT delorie DOT com
Subject: Re: Printer error
In-Reply-To: <9606121240.AA16358@clio.rice.edu>
Message-Id: <Pine.SUN.3.91.960612163238.7368B-100000@is>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


On Wed, 12 Jun 1996, Charles Sandmann wrote:

> memory location which is protected or undefined.  Null pointers will
> always be page faults.

How about vice versa: is every Page Fault with error=6 necessarily a 
bad pointer dereference, or are there other important cases?

> 
> > under QDPMI you will crash (the well-known QDPMI bug in handling Int 24h).
> 
> Under SOME releases of QDPMI.  The version I have handles int 24h correctly
> (it's an older release).

VERY old release.  This is broken since QEMM 7.0 (which also broke 
virtual memory, later restored in 8.0).