Date:	Wed, 26 Feb 1997 07:50:16 GMT
Message-Id:	<199702260750.HAA28391@bryggen.bgnett.no>
From:	Gisle Vanem <giva AT bgnett DOT no>
To:	djgpp AT delorie DOT com
Subject:	Re: HELP w/DECIPHIRING STACK DUMP

Paul Derbyshire wrote:

> Invalid opcode??!?
>
> How do you get a gpf like that?

E.g. by locking an unlockable instruction. In intel asm it could be:

  db 0F0h    ; lock prefix
  in al,dx   ; read a port reg. kaboom!!

Actually it would crash at the lock prefix.

Gisle V.

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