[net.bugs.4bsd] 4.2 crashes in ipintr, need to know why?

day@randvax.UUCP (01/27/84)

There's this 750 running 4.2 on an interlan ethernet
to another similar 750.  One of them crashes every
few minutes when you rlogin to it and do anything.
It dies in ipintr.  Anyone seen this?

--dave yost