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ntpd with PPS on NetBSD/i386
posted to port-i386%netbsd.org@localhost and comp.protocols.time.ntp
ntpd with PPS on NetBSD/i386
Hi
I've had two pool servers as from late 2009 which until recently
were running NetBSD-5. I've attempted updates to NetBSD-6 and
find I can't get PPS support working.
I'm not sure if it's the PPS support in the kernel or the supplied
ntpd with NetBSD-6.
I've attempted to compile on NetBSD-6 from the ntpd sources that I
downloaded from ntp.org and the binaries from that compile don't
work correctly. Compiles from NetBSD-5 complete and install/work ok
on NetBSD-5.
Any help appreciated.
David
##########################
NetBSD-6
NetBSD 6.0_BETA2 (P4X2666_0.41) #0: Thu May 31 14:57:19 GMT 2012
cpu0 id as - VIA Samuel 2
Stock ntpd from NetBSD distribution:
ntpd 4.2.6p5-o Wed Feb 1 07:49:06 UTC 2012
Mon Jun 18 11:30:00 GMT 2012
remote refid st t when poll reach delay
offset jitter
======================================================================
========
*GPS_NMEA(2) .GPSb. 0 l 47 64 377 0.000
5.131 6.620
PPS(2) .PPSb. 0 l - 64 0 0.000
0.000 0.000
pd6000e1.home.l 192.168.59.61 2 u 1 64 377 1.447
0.759 2.902
p4x2400b.home.l 192.168.59.61 2 u 50 64 376 1.810
3.415 3.449
+pd6000e2.home.l 81.187.61.74 2 u 64 256 377 0.463
15.534 9.521
-ntp1.lordynet.o 81.187.61.74 2 u 82 256 377 0.612
19.160 11.381
+ntp0.lordynet.o .MSFa. 1 u 74 256 377 0.755
22.472 14.111
offset: 0.005131 s
frequency: -32.484 ppm
poll adjust: -30
watchdog timer: 47 s
ntp_gettime() returns code 5 (ERROR)
time d3898fb9.1f0ee494 Mon, Jun 18 2012 11:30:01.121,
(.121321306),
maximum error 37397 us, estimated error 3253 us, TAI offset 34
ntp_adjtime() returns code 5 (ERROR)
modes 0x0 (),
offset 4896.043 us, frequency -32.484 ppm, interval 256 s,
maximum error 37397 us, estimated error 3253 us,
status 0x2207 (PLL,PPSFREQ,PPSTIME,PPSJITTER,NANO),
time constant 6, precision 0.001 us, tolerance 496 ppm,
pps frequency -34.647 ppm, stability 0.018 ppm, jitter 1174.656 us,
intervals 3573, jitter exceeded 3702, stability exceeded 0, errors
13.
Mon Jun 18 12:18:00 GMT 2012
remote refid st t when poll reach delay
offset jitter
======================================================================
========
*GPS_NMEA(2) .GPSb. 0 l 48 64 377 0.000 -
16.407 9.765
PPS(2) .PPSb. 0 l - 64 0 0.000
0.000 0.000
pd6000e1.home.l 192.168.59.61 2 u 51 64 377 0.357
4.326 1.828
p4x2400b.home.l 81.187.61.74 2 u 46 64 377 1.083
0.848 1.472
+pd6000e2.home.l 81.187.61.74 2 u 7 256 377 0.412 -
7.226 5.939
-ntp1.lordynet.o 81.187.61.74 2 u 59 256 377 0.489
2.302 7.618
+ntp0.lordynet.o .MSFa. 1 u 35 256 377 0.888 -
9.582 9.952
offset: -0.016407 s
frequency: -33.242 ppm
poll adjust: -30
watchdog timer: 48 s
ntp_gettime() returns code 5 (ERROR)
time d3899af9.9bca533c Mon, Jun 18 2012 12:18:01.608,
(.608556495),
maximum error 51786 us, estimated error 2143 us, TAI offset 34
ntp_adjtime() returns code 5 (ERROR)
modes 0x0 (),
offset -15655.340 us, frequency -33.242 ppm, interval 256 s,
maximum error 51786 us, estimated error 2143 us,
status 0x2207 (PLL,PPSFREQ,PPSTIME,PPSJITTER,NANO),
time constant 6, precision 0.001 us, tolerance 496 ppm,
pps frequency -34.647 ppm, stability 0.018 ppm, jitter 1174.656 us,
intervals 3573, jitter exceeded 3702, stability exceeded 0, errors
13.
Then backed out and reinstalled NetBSD-5
NetBSD 5.1_STABLE (ME6000G_0.46) #0: Mon May 21 21.28.31 GMT 2012
cpu0 id as - IDT/VIA 686-class 599MHz
ntpd compiled from downloaded source
4.2.6p5@1.2349-o Tue Dec 27 09:47:55 UTC 2011
with same ntp.conf as used above the PPS has kicked into action
within 12 minutes (crontab job at 6 minutes intervals logging
ntpd status).
Mon Jun 18 13:06:00 GMT 2012
remote refid st t when poll reach delay
offset jitter
======================================================================
========
*GPS_NMEA(2) .GPSb. 0 l 25 64 77 0.000 -
11.693 10.042
oPPS(2) .PPSb. 0 l 24 64 37 0.000 -
0.148 0.819
-pd6000e1.home.l 81.187.61.74 2 u 30 64 76 0.112 -
2.836 0.803
-p4x2400b.home.l 81.187.61.74 2 u 25 64 76 0.693 -
4.144 1.484
+pd6000e2.home.l 81.187.61.74 2 u 70 256 3 0.464 -
5.259 0.539
-ntp1.lordynet.o 81.187.61.74 2 u 78 256 3 0.353 -
0.703 0.555
+ntp0.lordynet.o .MSFa. 1 u 70 256 3 0.675 -
1.209 0.696
offset: -0.000148 s
frequency: -34.377 ppm
poll adjust: -30
watchdog timer: 24 s
ntp_gettime() returns code 0 (OK)
time d389a638.f43dcc90 Mon, Jun 18 2012 13:06:00.954,
(.954068662),
maximum error 451249 us, estimated error 34 us, TAI offset 34
ntp_adjtime() returns code 0 (OK)
modes 0x0 (),
offset -107.640 us, frequency -34.377 ppm, interval 128 s,
maximum error 451249 us, estimated error 34 us,
status 0x2107 (PLL,PPSFREQ,PPSTIME,PPSSIGNAL,NANO),
time constant 6, precision 0.001 us, tolerance 496 ppm,
pps frequency -34.377 ppm, stability 0.643 ppm, jitter 3.408 us,
intervals 25, jitter exceeded 6, stability exceeded 0, errors 4.
Mon Jun 18 13:48:00 GMT 2012
remote refid st t when poll reach delay
offset jitter
======================================================================
========
*GPS_NMEA(2) .GPSb. 0 l 49 64 377 0.000
0.418 10.983
oPPS(2) .PPSb. 0 l 48 64 377 0.000 -
0.002 0.002
pd6000e1.home.l 192.168.59.61 2 u 54 64 376 0.429 -
1.719 0.528
p4x2400b.home.l 192.168.59.61 2 u 36 64 376 1.277 -
1.595 0.695
+pd6000e2.home.l 81.187.61.74 2 u 200 256 377 0.532 -
3.534 0.618
ntp1.lordynet.o 192.168.59.61 2 u 194 256 377 0.430
0.485 0.397
+ntp0.lordynet.o .MSFa. 1 u 202 256 377 0.856
0.430 0.465
offset: -0.000002 s
frequency: -34.402 ppm
poll adjust: 30
watchdog timer: 48 s
ntp_gettime() returns code 0 (OK)
time d389b010.67e8142c Mon, Jun 18 2012 13:48:00.405,
(.405885798),
maximum error 24931 us, estimated error 2 us, TAI offset 34
ntp_adjtime() returns code 0 (OK)
modes 0x0 (),
offset -1.243 us, frequency -34.402 ppm, interval 256 s,
maximum error 24931 us, estimated error 2 us,
status 0x2107 (PLL,PPSFREQ,PPSTIME,PPSSIGNAL,NANO),
time constant 6, precision 0.001 us, tolerance 496 ppm,
pps frequency -34.402 ppm, stability 0.037 ppm, jitter 1.467 us,
intervals 36, jitter exceeded 12, stability exceeded 0, errors 4.
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