/var/log/messages に NTP のエラーメッセージ ntpd[xxxx]: frequency error -512 PPM exceeds tolerance 500 PPM が出力される

Solution Unverified - Updated -

Issue

  • ntpd ログに以下のような frequency error -3017 PPM exceeds tolerance 500 PPM メッセージが出力された場合はどのように対処すれば良いですか?
    host1 ntpd[xxxx]: frequency error -506 PPM exceeds tolerance 500 PPM
    host1 ntpd[xxxx]: frequency error -512 PPM exceeds tolerance 500 PPM
    host1 ntpd[xxxx]: frequency error -590 PPM exceeds tolerance 500 PPM
    host1 ntpd[xxxx]: frequency error -553 PPM exceeds tolerance 500 PPM

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • ntpd

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