Which apparently allows ongoing, hands-off use of unsigned drivers
after initial setup. I am curious to hear from anyone who tries it
with serialpps.sys and ntpd on Windows.
Cheers,
Dave Hart
It's certainly working, Dave, and that's great news! Compare the plot of
PC Alta from 07:30 UTC this morning when the 64-bit PPS was installed:
http://www.satsignal.eu/mrtg/performance_ntp.php
Having the kernel-mode has provided a major improvement in the "noise" on
the offset, frequency and jitter plots.
However, it doesn't seem to be working anything like as well as nominally
the same software installed in 32-bit Windows on PC Stamsund. Compare the
offsets of 32-bit PC Stamsund (well under 50 microseconds) with 64-bit PC
Alta (well over 500 microseconds and somewhat periodic).
Looking in more detail, the offset as reported by NTP is varying from
approximately -0.4ms to +0.4ms with a period of about 1.62 minutes (~97
seconds). That particular PC does have a very tight lock to another PC
(server with max poll = 8 seconds), so I'll drop that back to 32s like the
other servers and see if it makes any difference. Changed at 12:30 UTC.
I'm not expecting to see a difference, but one never knows!
Cheers,
David
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