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Date:      Wed, 31 Jan 1996 07:07:10 +0200 (SAT)
From:      Robert Nordier <rnordier@iafrica.com>
To:        joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
Cc:        jeff@stat.uconn.edu, bugs@freebsd.org
Subject:   Re: Installation of FreeBSD from DOS partition
Message-ID:  <199601310507.HAA02676@eac.iafrica.com>
In-Reply-To: <199601302207.XAA15755@uriah.heep.sax.de> from "J Wunsch" at Jan 30, 96 11:07:47 pm

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On Tue, 30 Jan 1996, J Wunsch wrote:

> As Jeffrey M. Metcalf wrote:
> > 
> > An important fact is that I am able to install a WORKING version of the
> > the minimal distribution of FreeBSD on my machine from floppy.  It's
> > an annoying 14 disk installation, but it works.  I mount my DOS partition
> > at /dos.  When I go to read my files from DOS, I have the problem that
> > the files appear in a directory, but they are somehow corrupt.  Trying
> > to read them using vi, it seems that a good portion of my system becomes
> > corrupt. ...
> 
> It seems that you've got serious disk troubles.  Either you've got
> serious memory problems, and since parity chips on the SIMMs have been
> eliminated these days, you don't get the usual parity error warnings
> for this.  Try making the memory timing more benign and see if this
> would help.
>
> But i'd rather suspect the IDE controller.  Try replacing it by
> another one temporarily.  Any dumb IDE adaptor should do, FreeBSD
> doesn't use any nifty EIDE extensions anyway.

I also thought this might be hardware, but the problems he describes are
those a number of other users have reported when accessing the MS-DOS
partition from FreeBSD.  (I'm in the process of revising the msdosfs
code, which was why I was particularly interested.)

Elsewhere he writes:

> ......  When I stay entirely in BSD, I am fine.  I can boot the machine
> (the boot manager gives me the option between Windows 95 and BSD and it
> works properly), I can log in as root.  I can create users.  They can
> create files in their directories.  It all basically works.

I think this is a msdosfs problem.  He can run MS-DOS/Windows; he can run
FreeBSD; he can access MS-DOS floppy disks during installation.  It all
falls apart only when the MS-DOS partition is involved.

For some configurations, the current msdosfs just doesn't work at all. :-(

Regards
--
Robert Nordier



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