From:	Nate Eldredge <neldredge AT hmc DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: DPMI Crash Program
Date:	Mon, 27 Sep 1999 21:36:51 -0700
Organization:	Harvey Mudd College
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hank_heng AT hotmail DOT com wrote:
> 
> Hi,
> 
>   I compile my source with DJGPP, then when I try to run it under true
> DOS mode, even with the CWSDPMI installed, it will not run the program
> but saying something like :
> 
>      Exiting due to signal SIGSEGV
>      Page fault ........
>      (some more lines of numbers)
> 
>   But the problem doesn't exist when I run the program in Windows95's
> DOS box, so I think it might cause by the DPMI manager, I try it on
> diffrent PC with diffrent configuration, but my program still does'n
> run under TRUE DOS MODE.
> 
>   So... How do I fix the problem so that my program will work in TRUE
> DOS MODE and Windows95's DOS box ? Do I need to use some other DPMI
> manager other then CWSDPMI ?

It's probably a bug in your program, most likely a NULL dereference. 
Windows can't catch them but DPMI will.  See FAQ section 9.1.

>   Oh, one more thing, how do you link DPMI into my program in order it
> to run without need to shiping the DPMI manager every time I pass up my
> assignment ?

Not terribly easily.  See FAQ section 9.5.
-- 

Nate Eldredge
neldredge AT hmc DOT edu

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