From: James A Robinson (jimr@world.std.com)
Date: 06/21/93


From: jimr@world.std.com (James A Robinson)
Subject: Re: More problems, COM4 (cua3) is always "busy" or "locked"
Date: Mon, 21 Jun 1993 05:23:32 GMT

chaddejn@phoebe.ece.clarkson.edu (Joseph N Chadderdon) writes:

>First I want to thank everyone for helping me find a low-level formatter
>for my SCSI drive. Now I have Linux up and running and have not
>modified many files yet. My problem is now when I use Seyon or even
>minicom, my modem is always busy or locked (or so these programs tell
>me) /dev/modem is linked to /dev/cua3. Previously, when I have run
>Linux, I have never had this problem, so what gives??

You need to MAKE a cua3 'mknod /dev/cua3 c 5 (whatever minor number ttyS3 is)
At least that is the only it works for me.

>other notes:my mouse is linked to cua0 and works fine cua1 is presently
>not used, but is an external connector cua2 doesn't exist at all and
>cua3 is my internal 2400baud modem.
>I just installed from SLS1.02 and only modified enough files for X to
>work and then installed seyon. Other than that, nothing has been
>changed. When booting, it does auto detect these three serial ports.

All I can advise is to make all new cua? files with a major number
of 5 and a minor number corresponding to the ttyS?.

Hope you get it fixed.

Jim