[ntp:questions] FreeBSD refclock error

[David Newman]

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Greetings. I have a FreeBSD 6.1 x86_64 system and an HP 58503A GPS
receiver I'd like to use as a time source. The HP receiver displays time
via tip or minicom, but when loading ntpd, FreeBSD returns this error:

 refclock_newpeer: clock type 26 invalid

This is with the stock install of FreeBSD; I didn't install ntp from
ports, and I have not recompiled the kernel. (If I do need to recompile
the kernel, please let me know what option(s) to use.)

Here is the relevant part of /etc/ntp.conf:

server 127.127.26.0 prefer
server us.pool.ntp.org
server us.pool.ntp.org
server us.pool.ntp.org
server us.pool.ntp.org

ntpq sees only the four pool servers (duh).

Also, I symlinked the serial port to /dev/hpgps0:

lrwxr-xr-x  1 root  wheel  10 Sep  6 00:25 /dev/hpgps0 -> /dev/cuad1

I'm new to ntp. What's missing here?

thanks

dn
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