Has this got anything to do with ipa ? The messages started only recently, which makes me think that it's not a hardware issue. There were only two notable changes to this system recently. The hdd had to be replaced, and a replica was set up. Could either have any part to play ?
On Thu, Sep 10, 2015 at 6:03 AM, Prasun Gera <[email protected]> wrote: > The hardware is not very old (ivybridge). The entries appear every few > minutes in the log. The /etc/ntp.conf has not been modified manually. It > lists 3 servers - 0.rhel.pool.ntp.org, 1 and 2. At the end, there are > also a couple of additional local servers with the comment added by > /sbin/dhclient-script. The replica on the same network with an identical > ntp.conf file doesn't have these messages in the current log. However, if I > go back to a week, I see similar messages there too. The ping to public > ntp servers varies from to a few ms to ~50 ms. The ping to local servers is > under 1 ms. I followed steps from the first link (ntpd -qg), and the > messages have stopped for now, but I suspect that they will reappear later. > That's what happened last time I tried that solution. This is the output > from ntpq -pn on the master: > > remote refid st t when poll reach delay offset > jitter > > ============================================================================== > +38.229.71.1 204.123.2.5 2 u 39 64 377 44.300 -1311.8 > 7.668 > +64.6.144.6 128.252.19.1 2 u 25 64 377 38.184 -1327.6 > 12.615 > -129.250.35.251 200.98.196.212 2 u 30 64 377 14.649 -1318.8 > 7.079 > 127.127.1.0 .LOCL. 10 l - 64 0 0.000 0.000 > 0.000 > *localnetip1 localnetref1 2 u 55 64 377 0.349 -1316.0 8.264 > -localnetip2 localnetref2 3 u 64 64 377 0.459 -1309.6 10.516 > > > On Thu, Sep 10, 2015 at 5:27 AM, Andrew Holway <[email protected]> > wrote: > >> If could be the server is trying to access the time server over a heavily >> congested network which could cause these types of problems. >> >> >> How old is the hardware? >> How often to these entries appear in the log? >> What is the ping / traceroute to the time server you are using? >> Are there any other machines on the same local network that are using >> this timeserver? Do they have problems? >> >> >> >> >> On 10 September 2015 at 14:18, Prasun Gera <[email protected]> wrote: >> >>> So I did a bit of googling and tinker panic 0 only makes sense for >>> virtual machines. Is there any way to confirm if it is indeed a hardware >>> issue ? >>> >>> On Thu, Sep 10, 2015 at 5:16 AM, Andrew Holway <[email protected]> >>> wrote: >>> >>>> Thats odd. You would normally not need it on bare metal. It could be >>>> broken hardware. >>>> >>>> On 10 September 2015 at 14:05, Prasun Gera <[email protected]> >>>> wrote: >>>> >>>>> Thanks. I'm not virtualizing though. Should I still add it ? >>>>> >>>>> On Thu, Sep 10, 2015 at 5:02 AM, Andrew Holway < >>>>> [email protected]> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> I assume you are virtualising. >>>>>> >>>>>> Try adding "tinker panic 0" to /etc/ntp.conf. >>>>>> >>>>>> It should make it tolerant to heavily drifting virtual clocks. >>>>>> >>>>>> Cheers, >>>>>> >>>>>> Andrew >>>>>> >>>>>> On 10 September 2015 at 13:46, Prasun Gera <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> OS: RHEL 7.1 w IDM >>>>>>> >>>>>>> I'm seeing these messages in my master's log messages. I don't know >>>>>>> if it's related, but I think I started seeing them after I set up a >>>>>>> replica. Everything seems to be working fine, but I'm worried that >>>>>>> things >>>>>>> will break if delta grows beyond a point. I tried steps in >>>>>>> https://access.redhat.com/solutions/35640, but it didn't really >>>>>>> help. The messages still appear regularly in the log. >>>>>>> >>>>>>> -- >>>>>>> Manage your subscription for the Freeipa-users mailing list: >>>>>>> https://www.redhat.com/mailman/listinfo/freeipa-users >>>>>>> Go to http://freeipa.org for more info on the project >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >> >
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