🚀 go-pugleaf

I just recently started running SLIP on Zorch as an experiment.  One of the
problems I am encountering (among many) is that the system has started
panicing with:

vmunix:	mget 10c28580: next 10c28580  data @00000400  len 1  type 40
vmunix:	panic: mget

This looks like the kernel is corrupting the mbuf chain in some fashion,
but I don't have a clue on where to start.  The SLIP code could be the
problem, but so could any other part of the tcp/ip stack, since I don't
run any other networking.

Other info:  the system is an ISI 68K20 system running a 4.3BSD-derived
OS from an early (I think pre-tahoe) 4.3 release.  There are certainly
major differences between what I have and Net-2...  The SLIP driver stamps
are

@(#)if_sl.c     7.9 (Berkeley) 6/27/88
/* $Header: if_sl.c,v 1.12 85/12/20 21:54:55 chris Exp $ */
/* from if_sl.c,v 1.11 84/10/04 12:54:47 rick Exp */


Clues appreciated; if worse comes to worse, I hope to be doing PPP in the
near future, so if the bug is in the SLIP driver my problem will solve
itself.

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