[ntp:questions] Sub-millisecond NTP synchronization for local network
Hal Murray
hal-usenet at ip-64-139-1-69.sjc.megapath.net
Thu Dec 4 23:36:17 UTC 2008
>Which linux bug causes your frequency to vary? The only frequency issue
>I've encountered is a slight variation in the dynamic boot time
>measurement of the TSC (time stamp counter) frequency. This problem is
>not so much a bug in my opinion and is easily fixed by changing the
>clock source to something other than "tsc". In our system, we chose to
>use acpi_pm, which so far has shown no frequency variance. If this
>isn't the issue you are having, I would be interested in which bug you
>have that causes frequency variance.
What's your version of "slight"? I see enough varation to
make an interesting startup transisent. I doubt if anybody
other than a geek interested in time would notice, but if you
are interested in time, it's easy to notice.
I'd call it a bug with a known workaround.
--
These are my opinions, not necessarily my employer's. I hate spam.
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