From: "Charles Sandmann" <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: DPMI Freeze in MS-DOS
Date: Mon,  5 Apr 1999 15:09:32
Organization: Aspen Technology, Inc.
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Message-ID: <3708d22c.sandmann@clio.rice.edu>
References: <3703d236 DOT 0 AT news DOT provide DOT net>
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To: djgpp AT delorie DOT com
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>  Whenever I attempt to run a DPMI program made with DJGPP in raw MS-DOS (no
> MS-Windows running in the background) the program simply spends an amount of
> time reading or writing to the hard drive, and then freezes (no output to
> the screen).
> 
>  I at first thought that it might be the swap file causing the massive
> read/write, but I fond this not to be true.  The problem occurs whether I
> use CWSDPMI.EXE, CWSDPR0.EXE, or the PMODE DPMI stub.

Since the above DPMI programs are really very different, I suspect something
in your environment.  You will need to do more diagnosis to find the 
problem.  I suggest you first try eliminating the autoexec.bat completely,
and then each line individually in the config.sys until you find the problem.