From owner-freebsd-questions@FreeBSD.ORG  Fri Sep 24 14:43:36 2004
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Date: Fri, 24 Sep 2004 10:43:29 -0400
From: "Carlos A. Carnero Delgado" <carloscarnero@gmail.com>
To: Peter Risdon <peter@circlesquared.com>
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Subject: Re: Linux program and serial port (5.2.1)
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Hello,

On Fri, 24 Sep 2004 10:25:47 +0100, Peter Risdon
<peter@circlesquared.com> wrote:
> Carlos A. Carnero Delgado wrote:
> >
> > I have a little program , linux native, that I've managed to run
> > thanks to the Linux compat layer. However, this program opens
> > the serial port ttyS1, which doesn't exist as such in 5.2.1.
> >
> > The question is this: how do I make this program to open the
> > serial port? (FYI, the device it should open is a random number
> > generator.)
> 
> This is a complete guess, but I'm curious whether it would work:
> 
> You can make links in the /dev directory to existing devices by using
> entries in /etc/devfs.conf, so in this case you could add a line like:
> 
> link    cuaa1   ttyS1
> 
> This works fine with FreeBSD native applications, so I use links like
> this for my old serial port palm base, and for a cdrom link. Whether
> it would work with Linux compatibility stuff, I don't know. But, as I
> said, I'd be interested to find out.
> 

Perfect, that worked out OK. However, I'm getting this every second in
the system log:

  kernel: sio1: 960 more tty-level buffer overflows (total 126252)

Have any idea about this?

Best regards,
Carlos.