From owner-freebsd-stable  Tue May  1 17:51:48 2001
Delivered-To: freebsd-stable@freebsd.org
Received: from netau1.alcanet.com.au (ntp.alcanet.com.au [203.62.196.27])
	by hub.freebsd.org (Postfix) with ESMTP id B505537B422
	for <freebsd-stable@FreeBSD.ORG>; Tue,  1 May 2001 17:51:43 -0700 (PDT)
	(envelope-from jeremyp@gsmx07.alcatel.com.au)
Received: from mfg1.cim.alcatel.com.au (mfg1.cim.alcatel.com.au [139.188.23.1])
	by netau1.alcanet.com.au (8.9.3 (PHNE_22672)/8.9.3) with ESMTP id KAA13497;
	Wed, 2 May 2001 10:51:41 +1000 (EST)
Received: from gsmx07.alcatel.com.au by cim.alcatel.com.au
 (PMDF V5.2-32 #37640) with ESMTP id <01K333K5OYPCV6HMNA@cim.alcatel.com.au>;
 Wed, 2 May 2001 10:51:39 +1100
Received: (from jeremyp@localhost)	by gsmx07.alcatel.com.au (8.11.1/8.11.1)
 id f420pZT96539; Wed, 02 May 2001 10:51:36 +1000 (EST envelope-from jeremyp)
Content-return: prohibited
Date: Wed, 02 May 2001 10:51:35 +1000
From: Peter Jeremy <peter.jeremy@alcatel.com.au>
Subject: Re: problem with plip stealing clock
In-reply-to: <3AEF32C5.F36D2EE3@webmail.bmi.net>; from jmcoopr@webmail.bmi.net
 on Tue, May 01, 2001 at 03:03:49PM -0700
To: John Merryweather Cooper <jmcoopr@webmail.bmi.net>
Cc: FreeBSD-STABLE Mailing List <freebsd-stable@FreeBSD.ORG>
Mail-Followup-To: John Merryweather Cooper <jmcoopr@webmail.bmi.net>,
	FreeBSD-STABLE Mailing List <freebsd-stable@FreeBSD.ORG>
Message-id: <20010502105135.O59150@gsmx07.alcatel.com.au>
MIME-version: 1.0
Content-type: text/plain; charset=us-ascii
Content-disposition: inline
User-Agent: Mutt/1.2.5i
References: <3AED84DB.8D241BCF@webmail.bmi.net>
 <20010501171807.M59150@gsmx07.alcatel.com.au>
 <3AEED69E.F6EC1EAD@webmail.bmi.net>
 <20010502072950.N59150@gsmx07.alcatel.com.au>
 <3AEF32C5.F36D2EE3@webmail.bmi.net>
Sender: owner-freebsd-stable@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On 2001-May-01 15:03:49 -0700, John Merryweather Cooper <jmcoopr@webmail.bmi.net> wrote:
>I'm going to try to slash the MTU way down from 1500 first.  If that
>doesn't do it, I'll be interested in enabling the "interrrupt per
>nibble" approach.

Note that the code to do this doesn't exist - you'll need to re-write
/sys/dev/ppbus/if_plip.c:lp_intr() and remove the splhigh() from
/sys/dev/ppbus/if_plip.c:lpoutput()

>Hmm, I'll have to take a look at that code--didn't realize plip and slip
>shared code (seems logical though).

They don't directly share code.  They both share a reliance on both
the TTY and NET subsystems.

Peter

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message