What would make ntpd hang in BSD 8?
Chuck Swiger
cswiger at mac.com
Wed Feb 17 20:57:23 UTC 2010
Hi--
On Feb 17, 2010, at 11:50 AM, Peter Steele wrote:
> My ntp.conf looks like this:
>
> # General Configuration
> server 0.us.pool.ntp.org
> server 1.us.pool.ntp.org
> server 2.us.pool.ntp.org
> server 3.us.pool.ntp.org
>
> # Drift file
> driftfile /var/db/ntpd.drift
Wonderful: short and clear. :-)
> The output from ntpq for the BSD 7 system is this:
>
> remote refid st t when poll reach delay offset jitter
> ==============================================================================
> +169.229.70.183 169.229.128.214 3 u 40 512 37 7.921 9.170 8.836
> *208.75.88.4 192.12.19.20 2 u 43 512 37 12.049 8.224 8.168
> +217.160.254.116 209.51.161.238 2 u 38 512 37 55.111 -7.128 10.347
> +198.247.173.220 128.206.12.130 3 u 39 512 37 47.401 -1.149 3.659
> status=c624 sync_alarm, sync_ntp, 2 events, event_peer/strat_chg,
> version="ntpd 4.2.0-a Sun Feb 24 09:12:07 UTC 2008 (1)",
> processor="amd64", system="FreeBSD/7.0-RELEASE-p9", leap=11, stratum=16,
> precision=-20, rootdelay=0.000, rootdispersion=8.340, peer=25349,
> refid=INIT, reftime=00000000.00000000 Wed, Feb 6 2036 22:28:16.000,
> poll=4, clock=cf26c2d5.ea2b4541 Wed, Feb 17 2010 11:32:37.914, state=1,
> offset=0.000, frequency=-13.269, jitter=0.001, stability=0.000
That looks normal / good.
> and the output from the BSD 8 system is this:
>
> remote refid st t when poll reach delay offset jitter
> ==============================================================================
> 169.229.70.183 .INIT. 16 u - 64 0 0.000 0.000 0.002
> 208.75.88.4 .INIT. 16 u - 64 0 0.000 0.000 0.002
> 217.160.254.116 .INIT. 16 u - 64 0 0.000 0.000 0.002
> 198.137.202.16 .INIT. 16 u - 64 0 0.000 0.000 0.002
> assID=0 status=c011 sync_alarm, sync_unspec, 1 event, event_restart,
> version="ntpd 4.2.4p5-a (1)", processor="amd64",
> system="FreeBSD/8.0-CURRENT", leap=11, stratum=16, precision=-19,
> rootdelay=0.000, rootdispersion=0.000, peer=0, refid=INIT,
> reftime=00000000.00000000 Wed, Feb 6 2036 22:28:16.000, poll=6,
> clock=cf26c4d1.d21b33f1 Wed, Feb 17 2010 11:41:05.820, state=1,
> offset=0.000, frequency=-14.299, jitter=0.002, noise=0.002,
> stability=0.000, tai=0
>
> The most obvious difference is the .INIT. entries, but there also appear to be several "0.0" type of entries that look suspicious. What do these imply?
It means this machine isn't seeing NTP traffic (yet), and is completely unsync'ed. But DNS resolution worked, or you wouldn't be seeing IP addresses. Maybe a firewall or routing problem? Can you do:
ntpq -p 217.160.254.116
...from this FreeBSD-8 machine and see .USNO. replying?
--
-Chuck
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