Hi LinuxPTPUsers,

I have this weird problem sometimes with phc2syc. Please look at the log below, 
ptp4l service is perfectly okay. But the phc2sys is stuck (although it measures 
the offset correctly) and not adjusting the system time for some reason. Why 
would this happen? Waiting for more than 30 minutes didn't fix this problem. 

Several reboots fixes the issue. 

1970-01-01T00:05:09.600718+00:00 phc2sys: [304.725] CLOCK_REALTIME phc offset 
-1686774497008453238 s2 freq -100000000 delay   
13721970-01-01T00:05:09.628181+00:00 ptp4l: [304.752] master offset        198 
s3 freq  -35590 path delay       3231970-01-01T00:05:10.611304+00:00 phc2sys: 
[305.735] CLOCK_REALTIME phc offset -1686774496916583694 s2 freq -100000000 
delay   13721970-01-01T00:05:10.728644+00:00 ptp4l: [305.853] master offset     
   -63 s3 freq  -35792 path delay       3231970-01-01T00:05:11.618971+00:00 
phc2sys: [306.743] CLOCK_REALTIME phc offset -1686774496824974153 s2 freq 
-100000000 delay   13731970-01-01T00:05:11.829106+00:00 ptp4l: [306.953] master 
offset       -121 s3 freq  -35869 path delay       
3231970-01-01T00:05:12.717043+00:00 phc2sys: [307.841] CLOCK_REALTIME phc 
offset -1686774496725151408 s2 freq -100000000 delay   
14081970-01-01T00:05:12.929540+00:00 ptp4l: [308.054] master offset        111 
s3 freq  -35673 path delay       3231970-01-01T00:05:13.721458+00:00 phc2sys: 
[308.846] CLOCK_REALTIME phc offset -1686774496633835940 s2 freq -100000000 
delay   13731970-01-01T00:05:14.030032+00:00 ptp4l: [309.154] master offset     
  -112 s3 freq  -35863 path delay       323

Thanks,
Nemo
 

  

  
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