From:	eddie AT lvp DOT nl (Eddie Penninkhof)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Problem with DPMI / NT4.0
Date:	Thu, 03 Sep 1998 15:53:48 GMT
Organization:	L.V.P. b.v.
Message-ID:	<35f1bb8a.1682118@news.worldonline.nl>
References:	<35eea126 DOT 699595 AT news DOT worldonline DOT nl>
NNTP-Posting-Host:	vp210-59.worldonline.nl
Mime-Version:	1.0
Lines:	13
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

>I'm trying to access a 32 bit 'TSR' djgpp program from a 16 bits DOS
>program. I'm using a ('software') interrupt to achieve this. This
>works fine in a OS/2 or Windows 95 DOS-box, but crashes in a Windows
>NT 4.0 (SP3) DOS-box. It gives a SIGSEGV in the djgpp-program and a
>'16 bit MS-DOS Subsystem' popup: 'X#=0D, CS=00C7 IP=00004989. The
>NTVDM CPU has encountered an unhandled exception.'

Some more information: The program crashes after 'inthandler' has been
executed and control should be returned to the 16 bit DOS program.
'inthandler' itself is executed correctly (e.g. when I add a
printf("Hello, World!\n");).

CU, Eddie.

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