Frequency Error 512 Ppm Exceeds Tolerance
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Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the frequency error exceeds tolerance 500 ppm company Business Learn more about hiring developers or posting ads with us Server Fault Questions frequency error ppm exceeds tolerance 500 ppm solaris Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; ntp ppm it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top ntpd frequency error -1732 PPM exceeds tolerance ntp tolerance 500 PPM up vote 1 down vote favorite I'm getting this error on my PC: frequency error -1732 PPM exceeds tolerance 500 PPM Any ideas? windows ntpd share|improve this question asked Apr 12 '12 at 8:44 user626528 154127 add a comment| 2 Answers 2 active oldest votes up vote 6 down vote accepted This means that the difference between your local time and the server you're syncing with has exceed ntpd's limit. ntpd will only
Ntp Drift Tolerance
sync the local time if it is relatively close to the time server. This is why Red Hat (as an example) uses ntpdate the first time you start the ntpd service to set the local time to be in the right ball park. You should also make sure that the ntp servers you are syncing with are relatively close. You can do these steps manually if you want (e.g. you're not running Red Hat which includes the ntpdate step in it's restart script): # /etc/init.d/ntpd stop # ntpdate
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Favorite Rating: NTP time synchronization issue on SUSE Linux Enterprise Server 10 Service Pack 4 running on VMwareThis document (7010716) is provided subject to the disclaimer at the end of this document. Environment SUSE Linux Enterprise Server 10 Service Pack 4 Novell Open Enterprise Server 2 (OES 2) Linux Support Pack 3 NetIQ eDirectory Situation On virtualized SUSE Linux Enterprise Server 10 Service Pack 4, time synchronization using Network Time Protocol daemon (ntpd) is not properly working reporting major clock drift: # cat /var/lib/ntp/drift/ntp.drift -500.000 and several frequency errors in the ntp log file: # cat /var/log/ntp[...]9 Jul 11:06:37 ntpd[466]: frequency error -512 PPM exceeds tolerance 500 PPM 9 Jul 11:07:43 ntpd[466]: frequency error -512 PPM exceeds tolerance 500 PPM 9 Jul 11:08:46 ntpd[466]: frequency error -512 PPM exceeds tolerance 500 PPM 9 Jul 11:09:49 ntpd[466]: frequency error -512 PPM exceeds tolerance 500 PPM[...]If on your system is running eDirectory, you could also have verified a time synchronization issue with the command "ndsrepair -T" The issue has been verified on systems running kernel version 2.6.16.60-0.97.1 on VMware. Resolution Solution:Please update to kernel 2.6.16.60-0.99.1 or later.Workaround:Disable the Time Stamp Counter using the kernel parameter "notsc". In order to do this, add "notsc" to the kernel line in the file "/boot/grub/menu.lst". An example below: kernel /boot/vmlinuz-2.6.16.60-0.97.1-default root=/dev/sda2 vga=0x314 resume=/dev/sda1 splash=silent showopts notsc Then reboot the system and verify if the issue is solved. Additional Information More information about this issue from VMWare:http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1006427 DisclaimerThis Support Knowledgebase provides a valuable tool for NetIQ/Novell/SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND. Document ID:7010716Creation Date:31-AUG-12Modified Date:07-DEC-12NovellOpen Enterprise ServerSUSESUSE Linux Enterprise ServerNetIQeDirectory Did this do