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- Subject: [chrony-users] chrony gpsd / pps raspberriy Pi4
- From: Gerd Hoerst <gerd@xxxxxxxxxx>
- Date: Sun, 22 Dec 2024 22:42:34 +0100
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Hi
i have a similar setup on 2 PI4 (one is a regular PI4 one is a PI4CM
with IO board) both were running fine over longer period but now it was
time to upgrade OS (to Deb Bookworm) and now one of them is running like
normal but the other one:
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#x SOCK 0 4 377 10 -31us[ -31us] +/-
204ns
#x PPS 0 4 0 163 -3495ns[-3495ns] +/-
303ns
=x pi4hole.hoerst.net 1 10 377 802 -399us[ -399us] +/-
1235us
the second which is running correct
Every 30.0s: chronyc sources pi4hole: Sun Dec 22 22:40:29 2024
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#- SOCK 0 4 377 18 -18ns[ -135ns]
+/- 190ns
#* PPS 0 4 377 11 +50ns[ -74ns] +/-
192ns
=- pi4cm.hoerst.net 1 10 374 42m -1181us[-1159us] +/-
2649us
btw: i have a similar problem with 2 DCF77 receivers under ubuntu 24.04
..... on is running perfect the other one is like the pps clock here
this is the overall server where you can see it
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^+ firewall 1 9 377 59 -1789us[-1789us] +/-
7421us
^x capricorn 1 6 377 50 -780ms[ -780ms]
+/- 244ms
^+ pi4cm 1 9 362 918 +1426us[+1182us] +/-
9211us
^* pi4hole 1 8 377 131 -195us[ -358us] +/-
7079us
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