[ntp:questions] ATOM driver not working on Linux

Martin Burnicki martin.burnicki at meinberg.de
Wed Dec 17 11:47:31 UTC 2014

Harlan Stenn wrote:
> Martin Burnicki writes:
>> Harlan Stenn wrote:
>>> David Taylor writes:
>>>> I have a newly installed 64-bit Linux Debian 7.7 system where I am
>>>> trying to bring up NTP with PPS support.  Using ppstest /dev/pps0 I get
>>>> the expected assert messages.  I have gpsd configured and working.
>>>> Having configured and compiled NTP I get the error message:
>>>>      clock type 22 invalid
>>> That's the parse refclocks.
>> Nope. The parse clocks are type 8.
> I caught that mistake already and posted about it.

Yep. Sorry, I should have read the whole thread first.

>>> Did you configure with --enable-parse-clocks ?
>> That should not be required to have support for the ATOM driver be
>> compiled in.
> Agreed.
>> On the other hand, I've just been in contact with someone else claiming
>> that support for driver 28 was not been compiled in unless
>> --enable-parse-clocks was passed to ./configure.
>> I couldn't duplicate this, yet, but we should have a closer look at this
>> before RC becomes the next release.
> I'm not sure how to do that yet, so if anybody has an idea about it
> please speak up or do some testing now.

In the mean time I've run a few quick tests on different current Linux 
systems and everything worked as expected, i.e. if timepps.h is detected 
then PPS support is compiled in, but otherwise not.


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