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Date: Mon, 10 Jun 1996 08:17:23 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199606092217.IAA17796@godzilla.zeta.org.au>
To: msmith@atrad.adelaide.edu.au, taob@io.org
Subject: Re: Slow tty updates and high load, but idle CPU
Cc: bde@zeta.org.au, freebsd-hackers@FreeBSD.ORG
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>    'ps axl' shows that all affected processes (pine, less, trn, irc,
>etc., etc.) are waiting on "ttybf2", if that rings a bell for anyone.
>I've upgraded our shell servers to 2.2-960501-SNAP and will continue
>to watch for similar behaviour.

It shouldn't happen, since this was fixed in -stable on 1996/01/03.

Workaround in 2.1R: open a lot of pty pairs; leave them all open and
don't otherwise use them.

Bruce