The need to make a custom kernel that includes option PPS_SYNC is
still true on the recently released FreeBSD 9.0.
Tom
Thanks, Tom. I'm not familiar with FreeBSD 8.0, but looking at the
revision dates on some files it appears that I /may/ have recompiled the
kernel. Difficult for me to tell, though. This is what I see:
______________________________
C:\>ntpdc -c kerninfo pixie
pll offset: -0.00234 s
pll frequency: 27.835 ppm
maximum error: 0.008483 s
estimated error: 2e-006 s
status: 2107
pll time constant: 4
precision: 1e-006 s
frequency tolerance: 496 ppm
pps frequency: 27.835 ppm
pps stability: 0.007 ppm
pps jitter: 0.00274 s
calibration interval: 256 s
calibration cycles: 160784
jitter exceeded: 30488
stability exceeded: 0
calibration errors: 11
______________________________
C:\>ntpq -p pixie
remote refid st t when poll reach delay offset
jitter
==============================================================================
*GPS_NMEA(1) .PPS. 0 l 6 16 377 0.000 0.001
0.004
-odie.tomelliott 158.43.128.33 2 u 746 1024 377 23.658 3.961
7.972
-dnscache-london 140.203.204.77 2 u 845 1024 377 27.784 0.433
18.409
195.66.148.150 140.203.204.77 2 u 370d 1024 0 25.383 3.955
0.000
______________________________
so perhaps I did. I don't see the "o" of the Atom driver, though.
Cheers,
David
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