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Date:      Mon, 31 May 1999 14:58:35 +0100 (BST)
From:      Doug Rabson <dfr@nlsystems.com>
To:        Armin Ollig <armin@openBSD.de>
Cc:        alpha@freebsd.org
Subject:   Re: sio overflows
Message-ID:  <Pine.BSF.4.05.9905311457550.550-100000@herring.nlsystems.com>
In-Reply-To: <Pine.LNX.3.96.990531131031.12638A-100000@metzelkueche.tabu.uni-bonn.de>

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On Mon, 31 May 1999, Armin Ollig wrote:

> hi,
> 
> i have set up my alpha to dial an ISP with pppd.
> When dialing out via cuaa0 or ttyd0 i get massive sio overflows.
> I configure the serial port with the /etc/rc.serial script as a  modem
> port with 57600 baud. 
> 
> This happens even at a 9600 baud connection when receiving or sending
> files via ftp.  top reports a totally idle system while the sio overflows
> occur. The kernel reports cuaa0 to be a 16550 UART which is true.
> 
> OS is 0524 snapshot,
> Hardware: PC164, 500mHz, 128mb ram, ncr53C810, S3 vga
> 
> Any suggestions ?

This is a known problem but I don't have a solution as yet.

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 442 9037




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