*BSD News Article 59140


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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Newbie needs help configuring serial port
Date: 16 Jan 1996 11:20:19 GMT
Organization: Private BSD site, Dresden
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Message-ID: <4dg1lj$gtb@uriah.heep.sax.de>
References: <4d8ptf$dh6@claudia.surfsouth.com>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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dwadams@surfsouth.com (don adams) writes:

> After installing FreeBSD 2.1 and INN and getting this working, I
> installed the satellite reception software and now get the following
> error message: Jan 13 12:19:21 news /kernel: sio1 6316 more
> tty-level buffer overflows reading the man page for sio shows that
> the data is coming in too fast, but I know the hardware can handle
> it.

The hardware, yes.  ``tty-level'' means the interrupt handler was able
to stash all the incoming bytes into tty buffers, but the upper layers
weren't able to drain the data from there in time.

Either your machine is too slow to process the incoming data, or you
might try increasing the amount of tty buffering.  Don't ask for the
knob to turn however...  but you've got the source.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)