Date: Fri, 27 Oct 1995 11:54:10 +1000 (EST) From: raoul@cssc-syd.tansu.com.au (Raoul Golan) To: msmith@atrad.adelaide.edu.au (Michael Smith) Cc: raoul@cssc-syd.tansu.com.au, freebsd-questions@freebsd.org Subject: Re: Too many UUCP checksum errors! Help! Message-ID: <199510270154.LAA09261@kiwi.ind.tansu.com.au> In-Reply-To: <199510260256.MAA09505@genesis.atrad.adelaide.edu.au> from "Michael Smith" at Oct 26, 95 12:26:36 pm
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> > 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! [[ >
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