Subject: Re: netboot on 5000/240 probs
To: Simon Burge <simonb@netbsd.org>
From: Gregory McGarry <g.mcgarry@qut.edu.au>
List: port-pmax
Date: 10/25/1999 18:04:39
> > I'm worrying about DECstation firmware version issue has been
> > advertised too loudly.  The netboot issue in question preventing
> > NetBSD/pmax kernel from loading is, some version(s) of DECstation PROM
> > TFTP code don't like huge file like installation kernels which contain
> > filesystem image inside, isn't it?
> 
> I have a sort-of-working, but very kludged-up, mopd that can load a
> NetBSD ecoff kernel.  However, it still needs a lot of work.  I suspect
> that at the moment it only works on a pmax (right byte order, right
> definitions in machine/ecoff_machdep.h) and the changes are far from
> pretty.  Once this is finished, then hopefully netbooting pmaxes will
> become easier, especially if the other server is a NetBSD machine.
> 
> For other non-NetBSD systems as a host, the tftp size limit (or worse
> problems if some machines can't tftp boot at all) will still apply...

I hacked up a second-stage netboot loader which should fix the tftp
file limit size problem.

	-- Gregory McGarry <g.mcgarry@qut.edu.au>