[LinuxPPS] NTP + PPS falsetick

Marc X marc_x at videotron.ca
Wed Jun 23 19:07:17 CEST 2010


Hi,

Allowing the driver to run overnight removing the delay for the GPS and 
adding noselect to pps got me quite large offset numbers, can anyone 
make sense of whats happening here

Thanks


BusyBox v1.15.2 (2009-12-03 15:11:08 CET) built-in shell (ash)
Enter 'help' for a list of built-in commands.

~ # ntpd
~ # ntpq
ntpq> as

ind assid status  conf reach auth condition  last_event cnt
===========================================================
   1  5093  911a   yes   yes  none falsetick    sys_peer  1
   2  5094  9164   yes   yes  none falsetick   reachable  6
ntpq> pe
      remote           refid      st t when poll reach   delay   offset  
jitter
============================================================================== 

xGPS_PALISADE(1) .GPS.            0 l    1   16  377    0.000  19908.4   
2.073
xPPS(0)          .PPS.            0 l   48   64  377    0.000  372.194  
87.508
ntpq> pe
      remote           refid      st t when poll reach   delay   offset  
jitter
============================================================================== 

xGPS_PALISADE(1) .GPS.            0 l    7   16  377    0.000  19911.5   
2.809
xPPS(0)          .PPS.            0 l   38   64  377    0.000  450.217  
86.729
ntpq> ~ # ntpq






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