From owner-freebsd-hackers Wed Aug 14 14:25:52 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id OAA26898 for hackers-outgoing; Wed, 14 Aug 1996 14:25:52 -0700 (PDT) Received: from rocky.mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id OAA26892; Wed, 14 Aug 1996 14:25:46 -0700 (PDT) Received: (from nate@localhost) by rocky.mt.sri.com (8.7.5/8.7.3) id PAA28941; Wed, 14 Aug 1996 15:25:32 -0600 (MDT) Date: Wed, 14 Aug 1996 15:25:32 -0600 (MDT) Message-Id: <199608142125.PAA28941@rocky.mt.sri.com> From: Nate Williams To: Bruce Evans Cc: msmith@atrad.adelaide.edu.au, nate@mt.sri.com, freebsd-hackers@freefall.freebsd.org, ponds!rivers@dg-rtp.dg.com, ponds!rivers@freefall.freebsd.org, sag.space.lockheed.com!handy@dg-rtp.dg.com Subject: Re: sio issues (silo overflows on a pentium, locked in ttywait, etc...) In-Reply-To: <199608142113.HAA04204@godzilla.zeta.org.au> References: <199608142113.HAA04204@godzilla.zeta.org.au> Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > The aha driver sets the bus on/off times to 7/4, > so there should be no problems with single UARTs. Well, I've only got a single UART on my box (other than the mouse, but it's not used at all when the overflows occur). > Here is my throwaway lkm and auxiliarly program for testing bus hogging. > Usage: make and load the lkm. This doesn't compile under 2.1.5R. :( Nate