From owner-freebsd-hackers  Fri Dec 15 07:52:37 1995
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.3/8.7.3) id HAA28995
          for hackers-outgoing; Fri, 15 Dec 1995 07:52:37 -0800 (PST)
Received: from rocky.sri.MT.net (rocky.sri.MT.net [204.182.243.10])
          by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id HAA28990
          for <FreeBSD-hackers@freebsd.org>; Fri, 15 Dec 1995 07:52:29 -0800 (PST)
Received: (from nate@localhost) by rocky.sri.MT.net (8.6.12/8.6.12) id IAA16324; Fri, 15 Dec 1995 08:54:05 -0700
Date: Fri, 15 Dec 1995 08:54:05 -0700
From: Nate Williams <nate@rocky.sri.MT.net>
Message-Id: <199512151554.IAA16324@rocky.sri.MT.net>
To: Wilko Bulte <wilko@yedi.iaf.nl>
Cc: FreeBSD-hackers@freebsd.org (FreeBSD hackers list)
Subject: Re: sio overruns on 2.0.5R
In-Reply-To: <199512142147.WAA00880@yedi.iaf.nl>
References: <199512142147.WAA00880@yedi.iaf.nl>
Sender: owner-hackers@freebsd.org
Precedence: bulk

> 
> After I switched to a Asus P55TP4XE 90Mc I see things like
> 
> sio0: 5 more silo overflows (total 7)
> 
> The Asus supposedly has 16550A UARTs, of which I use one. 
> 
> On my previous MB, a 25Mc 486DX
> I used an AST/4 with 16550A chips without a single silo overflow.
> I also have the impression the UUCP datarate is now slower than
> before.
> 
> This is a 14K4 modem BTW, on a 57600 baud line.

I hate to sound like a broken record, but are you *sure* you're using
flow-control?  Can you use stty on the connected end to make sure?


Nate