[LinuxPPS] patched NMEA driver (error?)

[Rodolfo Giometti]

On Fri, Feb 08, 2008 at 09:31:36AM +0100, Remco den Besten wrote:
> Hello Udo/Rodolfo,

Hello.

> I followed your linuxPPS installation procedure and I got it running under 
> 2.6.24
> I 'downgraded' to ntp-4.2.4-p2 and applied the NMEA patch from Udo.
>
> I have several suggestions for your support page, but I first want to 

They are wellcome! Please consider reading here:

   http://wiki.enneenne.com/index.php/LinuxPPS_support#How_to_contribute

in order to know how to contribute.

> demistify an error
> which I receive:
>
> remco at helium [/home/remco]> tail -f /var/log/ntpd
> 8 Feb 09:21:47 ntpd[12077]: frequency initialized 17.096 PPM from 
> /var/lib/ntp/ntp.drift
> 8 Feb 09:21:47 ntpd[12077]: refclock_nmea: found GPS source "/dev/gps1"
> 8 Feb 09:21:47 ntpd[12077]: refclock_nmea: try alternate PPS device 
> "/dev/pps1"
> 8 Feb 09:21:47 ntpd[12077]: refclock_nmea: found PPS source "/dev/pps1"
> 8 Feb 09:21:47 ntpd[12077]: refclock_nmea: time_pps_kcbind failed: 
> Operation not supported
>
> Whether the last line inhibits the start-stop-daemon in Debian to startup 
> ntpd, I don't know.
> However, I'd like to find out how I can overcome this error.

This is not an error, simply LinuxPPS doesn't (still) support
time_pps_kcbind() which is not mandatory for the RFC2783 (see here
http://www.ietf.org/rfc/rfc2783.txt at paragraph 3.4.4).

> FYI: my job is to be a director in the Dutch weather service and I do not 
> know much about linux
> and I did not insert the ktimer module.

You don't need such module at all, it's just a debugging module.

> Thanks for the efforts you have put into this project: introducing PPS for 
> 2.6 kernel!

Thanks. :)

Rodolfo

-- 

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