From owner-freebsd-questions Thu Oct 26 18:57:32 1995 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id SAA12962 for questions-outgoing; Thu, 26 Oct 1995 18:57:32 -0700 Received: from mail.telstra.com.au (mail.telstra.com.au [192.148.160.10]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id SAA12946 for ; Thu, 26 Oct 1995 18:57:11 -0700 Received: from mail_gw.fwall.telecom.com.au(192.148.147.10) by mail via smap (V1.3) id sma005744; Fri Oct 27 12:55:39 1995 Received: from cdn_mail.dn.itg.telecom.com.au(144.135.109.134) by mail_gw.telecom.com.au via smap (V1.3) id sma017114; Fri Oct 27 12:54:59 1995 Received: from rodin.cssc-syd.tansu.com.au (rodin.cssc-syd.tansu.com.au [149.135.252.15]) by cdn_mail.dn.itg.telecom.com.au (8.6.11/8.6.9) with ESMTP id MAA04833; Fri, 27 Oct 1995 12:54:57 +1100 Received: from crab.ind.tansu.com.au (crab.ind.tansu.com.au [149.135.100.23]) by rodin.cssc-syd.tansu.com.au (8.6.11/8.6.9) with ESMTP id LAA24383; Fri, 27 Oct 1995 11:54:55 +1000 Received: from kiwi.ind.tansu.com.au (raoul@kiwi.ind.tansu.com.au [149.135.104.48]) by crab.ind.tansu.com.au (8.6.9/8.6.9) with ESMTP id LAA08619; Fri, 27 Oct 1995 11:54:12 +1000 Received: (raoul@localhost) by kiwi.ind.tansu.com.au (8.6.9/8.6.9) id LAA09261; Fri, 27 Oct 1995 11:54:11 +1000 Message-Id: <199510270154.LAA09261@kiwi.ind.tansu.com.au> Subject: Re: Too many UUCP checksum errors! Help! To: msmith@atrad.adelaide.edu.au (Michael Smith) Date: Fri, 27 Oct 1995 11:54:10 +1000 (EST) Cc: raoul@cssc-syd.tansu.com.au, freebsd-questions@freebsd.org In-Reply-To: <199510260256.MAA09505@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Oct 26, 95 12:26:36 pm From: raoul@cssc-syd.tansu.com.au (Raoul Golan) X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 1540 Sender: owner-questions@freebsd.org Precedence: bulk > > Raoul Golan stands accused of saying: > > > This is my situation. I'm using 2.0.5-RELEASE, and I'm getting lots > > of checksum errors on UUCP over my 16550A UART, mostly due to lost > > bytes. I swap cards to a 16450 UART, and the problem disappears. > > I tried using the 16550A UART again, this time with the FIFO > > disabled in the kernel, but the checksum errors were still there. > > This is bizarre, but as I've commented previously, I have a local customer > that has a similar problem. Characters are lost incoming and outgoing, > but only when FIFOs are enabled. Must have been a broken UART. I replaced the external modem and serial card with an internal modem (with a 16550), and I have had no problems so far... > > I'm puzzled as to what the problem is, but until I can get one of these > malfunctioning devices and mail it all expenses paid to Bruce, I'm not > expecting any real answers... Uh, I don't think it's worth any effort. My internal modem works fine, and it looks very much like the UART was to blame (although, like I said, Linux worked fine on it... strange). Thanks for your time & effort! > > > -- > ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ > ]] Genesis Software genesis@atrad.adelaide.edu.au [[ > ]] High-speed data acquisition and [[ > ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ > ]] My car has "demand start" -Terry Lambert UNIX: live FreeBSD or die! [[ >