[ntp:questions] Overflow on ATOM driver?

A C agcarver+ntp at acarver.net
Sat Oct 27 06:52:39 UTC 2012


Anyone have an idea why the ATOM driver would overflow and cause a panic 
stop of ntpd?

The only messages in the main log for the last day:
Oct 26 22:09:37 sunipx2 ntpd[271]: get_systime prev result 
0xd43588a1.89eab6dc is 0.000973094 later than 0xd43588a1.89aaf10b
Oct 27 03:43:11 sunipx2 ntpd[271]: ts_min 1351309391.521356287 ts_prev 
1351309391.521259287 ts 1351309391.542926662
Oct 27 03:43:11 sunipx2 ntpd[271]: sys_fuzz 97000 nsec, this fuzz 
0.000053947, prior 0.000069627
Oct 27 03:43:11 sunipx2 ntpd[271]: get_systime prev result 
0xd435d6cf.8b421740 is 0.001050554 later than 0xd435d6cf.8afd3de1
Oct 27 06:44:03 sunipx2 ntpd[271]: 0.0.0.0 0117 07 panic_stop 
+2147483648 s; set clock manually within 1000 s.

peerstats:
56227 24163.571 127.127.22.0    975a  0.000004890  0.000000000 
0.000353156  0.000122070
56227 24179.571 127.127.22.0    975a  0.000006572  0.000000000 
0.000353156  0.000122070
56227 24195.574 127.127.22.0    975a  0.000005441  0.000000000 
0.000353156  0.000122070
56227 24211.574 127.127.22.0    975a  0.000004823  0.000000000 
0.000353156  0.000122070
56227 24227.573 127.127.22.0    975a  0.000004100  0.000000000 
0.000353156  0.000122070
56227 24243.574 127.127.22.0    975a  2147483648.000000000  0.000000000 
  0.000353156  2147483647.999994993

clockstats:
56227 24235.545 127.127.22.0    0.000003979
56227 24236.544 127.127.22.0    0.000003984
56227 24237.544 127.127.22.0    0.000000989
56227 24238.544 127.127.22.0    0.000003994
56227 24239.544 127.127.22.0    0.000006995
56227 24240.544 127.127.22.0    0.000006004
56227 24241.545 127.127.22.0    0.000007008
56227 24242.545 127.127.22.0    0.000007013
56227 24243.544 127.127.22.0    0.000008018


The system clock is still correct, it hasn't changed time drastically. 
When I restarted ntpd, the offset on ATOM was only 32ms.


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