[Nut-upsuser] Unable to open /dev/cuad0: Device busy

[ahgu]

Anyone know what is the problem for this?

thanks
Andrew


freebsd 540$ /usr/local/etc/rc.d/nut restart
nut not running? (check /var/db/nut/upsd.pid).
Network UPS Tools - UPS driver controller 2.0.4
Network UPS Tools - Generic UPS driver 1.32 (2.0.4)
UPS type: APC Back-UPS (940-0023A cable)

Unable to open /dev/cuad0: Device busy

  Current user id: uucp (66)
Serial port owner: uucp (66)
Serial port group: dialer (68)
     Mode of port: 0666

Things to try:

 - Use another port (with the right permissions)

 - Fix the port owner/group or permissions on this port

 - Run this driver as another user (upsdrvctl -u or 'user=...' in ups.conf).
   See upsdrvctl(8) and ups.conf(5).

Fatal error: unusable configuration
Driver failed to start (exit status=1)
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