*BSD News Article 15962


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Newsgroups: comp.unix.bsd
Path: sserve!newshost.anu.edu.au!munnari.oz.au!spool.mu.edu!howland.reston.ans.net!noc.near.net!uunet!math.fu-berlin.de!easix!flyer!flatlin!bad
From: bad@flatlin.ka.sub.org (Christoph Badura)
Subject: Re: SLIP on vax 4.3 BSD(?)
Organization: Guru Systems/Funware Department
Date: Wed, 12 May 1993 01:45:52 GMT
Message-ID: <C6w4wG.KAE@flatlin.ka.sub.org>
References: <BRI.93May8125924@pegasus.mit.edu>
Lines: 22

[comp is not a valid distribution.]

In <BRI.93May8125924@pegasus.mit.edu> bri@athena.mit.edu (Brian D. Carlstrom) writes:
>I'm trying to get slip going on a vax3100
>running bsd4.3...this machine seems to have 
>slip but it doesnt seem to work with ptys,
>only ttys on the back of the box i guess(?)

>is there a new SLIP package i could add to fix
>this? something from one of the newer net releases?

The bug is not in the SLIP package but in the pty driver.  ptyioctl()
resets the line discipline to the standard discipline if the input
routine gets set to something other then ttyinput().  The original
4.3BSD slip code is compatible in handling the tty queues with the
standard line discipline so it's feasible to not reset the line
discipline if it's changed to the slip line discipline.
-- 
				Christoph Badura  ---  bad@flatlin.ka.sub.org

Personally, I don't care whether someone is cool enough to quote Doug
Gwyn--I only care whether Doug Gwyn is cool enough to quote. -- Larry Wall