Date: Sun, 26 Sep 1999 08:41:09 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Nicolas Gasnier <nicolas DOT gasnier AT wanadoo DOT fr>
cc: djgpp AT delorie DOT com
Subject: Re: Protected Mode problem (note: Eli Zaretskii) 
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On Sat, 25 Sep 1999, Nicolas Gasnier wrote:

> I think that you don't need to take care about
> the A20 line and whatever when you spawn a program.
> The Spawn function will do it itself if necessary.

Could you elaborate why do you think so?  The DJGPP library code doesn't 
do anything about A20 line inside `spawn'.

> A few solutions :
> - run your program in full dos mode without any
> memory managers (emm, qemm, himem...) and don't
> spawn it from your DJGPP program.
> - rewrite your program using DPMI interface

If the problem is with privileged instructions (and I'm not sure), 
another solution would be to run under CWSDPR0, which runs DJGPP programs 
in ring 0.