Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!purdue!tut.cis.ohio-state.edu!rutgers!dptg!lzaz!hcj
From: hcj@lzaz.ATT.COM (HC Johnson)
Newsgroups: comp.os.minix
Subject: Re: nroff and MINIX-ST V1.1
Summary: use B Szablak' mdb for ST MINIX
Message-ID: <785@lzaz.ATT.COM>
Date: 15 Sep 89 14:24:33 GMT
References: <23926@louie.udel.EDU> <Sep.14.17.56.18.1989.21659@athos.rutgers.edu>
Organization: AT&T ISL Lincroft NJ USA
Lines: 15

In article <Sep.14.17.56.18.1989.21659@athos.rutgers.edu>, rbthomas@athos.rutgers.edu (Rick Thomas) writes:
> > the recently posted nroff. It does compile, assemble and link fine,
> > but if one try to run it there will be an memory fault. If I use
> 
> Sounds like an uninitialized pointer.  Do you have any idea where it is
> when it dies?  Look for possible NULL pointers being dereferenced in
> that area.  Then try to figure out how it got that way.  When you
> figure it out, post the fix.

use mdb to catch the bus fault, and locate the instruction in the file.

Howard C. Johnson
ATT Bell Labs
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