From owner-freebsd-questions Sun Aug 23 22:29:12 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id WAA22516 for freebsd-questions-outgoing; Sun, 23 Aug 1998 22:29:12 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mcfs.whowhere.com (mcfs.whowhere.com [209.1.236.44]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id WAA22507 for ; Sun, 23 Aug 1998 22:29:10 -0700 (PDT) (envelope-from jmkroe@my-dejanews.com) Received: from Unknown/Local ([?.?.?.?]) by my-dejanews.com; Sun Aug 23 22:00:19 1998 To: questions@FreeBSD.ORG Date: Sun, 23 Aug 1998 22:00:19 -0700 From: "Jonathan Roe" Message-ID: Mime-Version: 1.0 X-Sent-Mail: off X-Mailer: MailCity Service Subject: silo overflows and sio.c X-Sender-Ip: 158.152.3.202 Organization: Deja News Mail (http://www.my-dejanews.com:80) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, I have been suffering from silo overflows in FreeBSD 2.2.7-RELEASE when setting my line speed to 57600 or more. I rembered suffering serial overruns in Win95 prior to adjusting my FIFO RX and TX buffers to more conservative settings, and from what I've read in the archives they're set aggressively in FreeBSD to optimize performance. I have a 16650 UART, and have decided this must be the problem. Unfortunately I am unsure of what changes to make to sio.c to lower these settings, and was wondering if anyone could tell me what needs to be changed... Your help would be really appreciated -----== Sent via Deja News, The Discussion Network ==----- http://www.dejanews.com/ Easy access to 50,000+ discussion forums To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message