Subject: LANCE bug (in the chip!)
To: None <tsarna@endicor.com>
From: Gordon W. Ross <gwr@mc.com>
List: port-sun3
Date: 04/19/1995 10:38:03
> From: tsarna@endicor.com (Ty Sarna)
> Date: Wed, 19 Apr 1995 03:41:44 GMT

> In article <9504182230.AA04613@bach>, Gordon W. Ross <gwr@mc.com> wrote:
> > + 	/*
> > + 	 * Check for unreported packet errors.  Rev C of the LANCE chip
> > + 	 * has a bug which can cause "random" bytes to be prepended to
> > + 	 * the start of the packet.  The work-around is to make sure that
> > + 	 * the Ethernet destination address in the packet matches our
> > + 	 * address (or the broadcast address).
> > + 	 */
> 
> Don't you need to check for multicast groups "we" belong to as well?
> Otherwise multicast packets we receive will be reported as errors and
> dropped. Right? (or does sun3 le not do multicast yet?)

Yes, but I decided not to worry about that yet.
There may be better ways to avoid the bug.

Gordon