[ntp:questions] Time slew doesn't seem to work

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Wed Apr 9 19:03:57 UTC 2008


>Well, no. 1 or 2 sec is 10-20PPM which is on the good side. 43 sec per day
>is like 500PPM which is definitely on the high side. 5-10sec per day is
>more typical. Note that chrony(on linux) will fix 43s/day. (It will use the fast
>slew-- ie changing the tick size-- as well as the slow slew.) ntp as a
>design decision decided that 500PPM was the max it would ever do.  NOt that I
>advise a computer with 500PPM freq error. something is wrong and is liable
>to be wrong in more places than just the clock. 

Don't overlook software when looking for things that can go wrong.

-- 
These are my opinions, not necessarily my employer's.  I hate spam.




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