From owner-freebsd-bugs Wed Apr 10 11:08:57 1996 Return-Path: owner-bugs Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id LAA26702 for bugs-outgoing; Wed, 10 Apr 1996 11:08:57 -0700 (PDT) Received: from ki.net (root@ki.net [205.150.102.1]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id LAA26697 Wed, 10 Apr 1996 11:08:53 -0700 (PDT) Received: from freebsd.ki.net (root@freebsd.ki.net [205.150.102.51]) by ki.net (8.7.4/8.7.4) with ESMTP id OAA13461; Wed, 10 Apr 1996 14:08:47 -0400 (EDT) Received: from localhost (scrappy@localhost) by freebsd.ki.net (8.7.5/8.7.5) with SMTP id OAA01236; Wed, 10 Apr 1996 14:09:16 -0400 (EDT) X-Authentication-Warning: freebsd.ki.net: scrappy owned process doing -bs Date: Wed, 10 Apr 1996 14:09:14 -0400 (EDT) From: "Marc G. Fournier" To: Bruce Evans cc: freebsd-bugs@freefall.freebsd.org, hsu@clinet.fi, scrappy@freefall.freebsd.org Subject: Re: kern/528 In-Reply-To: <199604101030.UAA15447@godzilla.zeta.org.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-bugs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Wed, 10 Apr 1996, Bruce Evans wrote: > >Synopsis: slow 386 reports excessive interrupt-level buffer overlows > > >State-Changed-From-To: open-closed > >State-Changed-By: scrappy > >State-Changed-When: Tue Apr 9 21:19:42 PDT 1996 > >State-Changed-Why: > >fixed setting 'options RS_IBUFSIZE=1024', with appropriate > >modifications made to sio.c to allow for this > > Erm. This isn't an acceptable fix. It breaks things unless you also > increase TTYHOG and perhaps some other magic numbers (TTYHOG must be > at least few hundred bytes larger than 2*RS_IBUFSIZE...). > Understood...reopened and responsibility changed to you. After reading this, I had thought that maybe making TTYHOG change with a change in RS_IBUFSIZE might work, except that TTYHOG is also used in relation to at least two other defines that I've found. Marc G. Fournier scrappy@ki.net Systems Administrator @ ki.net scrappy@freebsd.org