Andy Walls <address@hidden> writes:
Sounds reasonable for startup. I wouldn't expect it at steady/stable
state.
ntpd prefers to slew clocks into alignment.
system clock frequency will change, and ntpd will have to adjust it, a
bit until your computer is thermally stable.
Do keep in mind, that compared to a decent PPS, it is the ntpd
disciplined system clock which is drifting.
All true, and I don't mean to contradict Andy
What I'd expect is that because the frequency error estimate that NTP
uses ("drift") isn't right when you first start NTP, there will be a
phase error that persists while the frequency is estimated. So if your
clock is a litle slow, then it will keep getting behind, and the
positive offset will
cause NTP to adjust the phase forward and also
increase the frequency offset error. After a day or so or maybe less
the frequency estimate will be very close and there won't be a
persistent offset. This is all normal.