[ntp:questions] ntptime shows ERRORs

Udo van den Heuvel udovdh at xs4all.nl
Mon May 31 15:04:39 UTC 2010


Hello,

Please see below.
ntptime reports errors while kerninfo shows good info.
This is on Linux 2.6.34 and ntp 4.2.6p1.

How can we find out why?
(i.e.: user error, ntp bug, linux bug, etc)

Kind regards,
Udo

# ntpdc -c kerninfo ; ntptime
pll offset:           1.1066e-05 s
pll frequency:        -4.353 ppm
maximum error:        0.006247 s
estimated error:      0 s
status:               2007  pll ppsfreq ppstime nano
pll time constant:    4
precision:            1e-09 s
frequency tolerance:  500 ppm
pps frequency:        0.000 ppm
pps stability:        0.000 ppm
pps jitter:           0 s
calibration interval: 4 s
calibration cycles:   0
jitter exceeded:      0
stability exceeded:   0
calibration errors:   0
ntp_gettime() returns code 5 (ERROR)
  time cfae4e24.4152b090  Mon, May 31 2010 17:03:00.255, (.255168371),
  maximum error 6247 us, estimated error 0 us
ntp_adjtime() returns code 5 (ERROR)
  modes 0x0 (),
  offset 11.066 us, frequency -4.353 ppm, interval 4 s,
  maximum error 6247 us, estimated error 0 us,
  status 0x2007 (PLL,PPSFREQ,PPSTIME,NANO),
  time constant 4, precision 0.001 us, tolerance 500 ppm,
  pps frequency 0.000 ppm, stability 0.000 ppm, jitter 0.000 us,
  intervals 0, jitter exceeded 0, stability exceeded 0, errors 0.

# ntpq -np -crv
     remote           refid      st t when poll reach   delay   offset
jitter
==============================================================================
o127.127.20.0    .GPS.            0 l   13   16  377    0.000    0.013
 0.001
+194.109.22.18   193.67.79.202    2 u   25   64  377   23.252   -2.877
 6.935
+194.109.20.18   193.67.79.202    2 u   34   64  377   19.290   -2.902
 7.973
*193.67.79.202   .PPS.            1 u   49   64  377   23.250   -2.067
15.059
+193.79.237.14   .PPS.            1 u   37   64  377   22.529   -3.156
17.193
+83.163.219.98   .DCFa.           1 u   29   64  377   39.181   -9.871
27.500
+134.221.205.12  .PPS.            1 u   49   64  377   23.210   -4.062
20.661
associd=0 status=04fd leap_none, sync_uhf_radio, 15 events, kern,
version="ntpd 4.2.6p1 at 1.2158-o Sat May 29 06:32:36 UTC 2010 (1)",
processor="i686", system="Linux/2.6.34-ts13", leap=00, stratum=1,
precision=-20, rootdelay=0.000, rootdisp=0.426, refid=GPS,
reftime=cfae4e58.69b8d245  Mon, May 31 2010 17:03:52.412,
clock=cfae4e65.3f7216f3  Mon, May 31 2010 17:04:05.247, peer=61365, tc=4,
mintc=5, offset=0.013, frequency=-4.341, sys_jitter=0.001,
clk_jitter=0.000, clk_wander=0.004




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