Jordan Russell wrote: > My ntpd is no longer synchronizing with the servers specified in > ntp.conf, and I'm having trouble figuring out why. > > ntp.conf looks like this: > > restrict default kod nomodify notrap nopeer noquery > restrict -6 default kod nomodify notrap nopeer noquery
I believe that this is a duplicate line to the one above since default is not specific to any IP stack. > restrict 127.0.0.1 > restrict -6 ::1 You are not running an IPv6 stack so there's no purpose to this. > restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap > server ntppub.tamu.edu > server ntp1.cs.wisc.edu > server ntp-2.cso.uiuc.edu You want to add iburst to each of these server lines to synch quickly. > server 127.127.1.0 # local clock > fudge 127.127.1.0 stratum 10 > driftfile /var/lib/ntp/drift > keys /etc/ntp/keys > > After 58 minutes of uptime, "ntpq -p" shows: > > remote refid st t when poll reach delay offset > jitter > ============================================================================== > ntp3.tamu.edu 128.194.254.7 2 u 386 1024 377 25.258 25459.4 > 8473.45 > caesar.cs.wisc. 128.105.201.11 2 u 383 1024 377 51.257 25474.1 > 8473.20 > ntp-2.gw.uiuc.e 128.174.38.133 2 u 442 1024 377 56.901 16496.2 > 8492.19 > *LOCAL(0) .LOCL. 10 l 49 64 377 0.000 0.000 > 0.001 > > /var/log/messages shows: > > Dec 4 15:38:02 ntpdate[16513]: step time server 128.194.254.9 offset > 14.354204 sec Why are you doing this instead of just using the ntpd -g option? > Dec 4 15:38:02 ntpd[16517]: ntpd [EMAIL PROTECTED] Fri Aug 18 13:04:14 > UTC 2006 (1) > Dec 4 15:38:02 ntpd[16518]: precision = 1.000 usec > Dec 4 15:38:02 ntpd[16518]: Listening on interface wildcard, > 0.0.0.0#123 Disabled > Dec 4 15:38:02 ntpd[16518]: Listening on interface lo, 127.0.0.1#123 > Enabled > Dec 4 15:38:02 ntpd[16518]: Listening on interface eth0, > 192.168.1.1#123 Enabled > Dec 4 15:38:02 ntpd[16518]: Listening on interface eth1, > 76.187.xx.xx#123 Enabled > Dec 4 15:38:02 ntpd[16518]: kernel time sync status 0040 > Dec 4 15:38:02 ntpd[16518]: getaddrinfo: "::1" invalid host address, > ignored You are not running IPv6, hence the error. > Dec 4 15:38:02 ntpd[16518]: frequency initialized 72.808 PPM from > /var/lib/ntp/drift > Dec 4 15:41:17 ntpd[16518]: synchronized to LOCAL(0), stratum 10 > Dec 4 15:41:17 ntpd[16518]: kernel time sync enabled 0001 > > When ntpd is in this state, the clock loses roughly half a second every > minute, or about 10 minutes after a day of uptime (!). > > I'm not sure if it's relevant, but I first noticed this problem about a > month ago around the time ntp was upgraded from 4.2.0a to 4.2.2p1 (as > part of upgrading from Fedora Core 5 and Fedora Core 6). Prior to that, > the system ran ntpd for years without any issues. > Multiple changes at the same time make things much more difficult to pin down. > Any idea why this is happening? > > P.S. This is a Pentium III machine running an Intel D815EEA motherboard > (i815 chipset). Linux 2.6.18.5 kernel. > Have you looked at http://ntp.isc.org/bin/view/Support/KnownOsIssues#Section_9.2.4. which discusses issues with Linux and the 2.6 Kernel? Danny _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
