[LinuxPPS] weird behaviour again

Udo van den Heuvel udovdh at xs4all.nl
Tue Dec 5 16:20:33 CET 2006


Udo van den Heuvel wrote:
> Rodolfo Giometti wrote:
>> On Mon, Dec 04, 2006 at 06:33:21PM +0100, Udo van den Heuvel wrote:
>>
>>> Indeed on 2.6.19, but also the older one on 2.6.18.3 did this.
>> Ah... I see. It could be a NTPD problem? Maybe it doesn't enable PPS
>> source...
> 
> It does get a 'lock' onto the PPS if I have reception. (reach becomes 377)
> Just the /proc fiels do not show asserts/clears.
> I will try to patch a fresh kernel.

# ntpq -pn
     remote           refid      st t when poll reach   delay   offset
jitter
==============================================================================
 127.127.1.0     .LOCL.          10 l   25   64    3    0.000    0.000
 0.001
*127.127.20.0    .GPS.            0 l    6   16  377    0.000    1.060
 1.851
 194.109.22.18   131.188.3.220    2 u   48   64    3    3.324  169.575
 1.270
 193.67.79.202   .GPS.            1 u   65   64    1   24.023  177.073
 0.001
 193.79.237.14   .GPS.            1 u   63   64    1   13.142  172.336
 0.001


No change with the new kernel.
No counters in the /proc files for the gps.
ktimer does work, it gives updates in /proc files.



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