cu: /dev/ttyS0: Line in use

[Roger Oberholtzer]

Look in your X11 config file. I have seen some systems put a serial mouse
entry there as well as whatever mouse you are using. I had great fun with a
GPS on the serial port until I uncovered that one. I removed it and
restarted X and all was bliss.

On Tue, 17 Jun 2003 13:54:21 -0700 (PDT)
listmail at rotundus.com wrote:

> At this point I think I've about run out of ideas as to what could be
> causing such an error, as a short while ago I was able to make a
> connection using the serial port.
> 
> What I'm trying to do is configure a terminal server, and I need to get
> access to it through a serial port to configure its network interface.
> 
> The particular machine I'm using supports serial console redirection, but
> I've disabled that in the bios.  I also removed the flags in the boot
> loader that redirect output to the serial port upon system boot, and also
> disabled any console running there in /etc/inittab.
> 
> At the moment 'lsof | grep /dev/ttyS0' doesn't return anything.
> 
> Just in case the terminal server itself (which was reset to factory
> defaults for a reinstall), somehow was attempting to make a connection to
> the particular serial port in question I powered it down, but that made no
> difference.
> 
> Can anyone suggest anywhere else to look for the source of the problem?
> 
> David Aikema
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