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SubjectRe: 2.6.18 w/ GPS time source: worse performance
[added John Stultz to cc]

On Wed, 2006-10-18 at 15:57 -0400, wrote:
> On Wed, 18 Oct 2006 18:44:59 +0200, Udo van den Heuvel said:
> >
> > It is stuff that is visible by watching ntpq -pn output, by letting mrtg
> > graph stuff, etc. Watch the offset and jitter collumns.
> > Check /usr/sbin/ntpdc -c kerninfo output. Graph that stuff.
> So... you've presumably done that while identifying there is an issue.
> Please share the results. Have you tried booting back into a 2.6.17
> or so and seen offset/jitter improve? etc etc etc.


My crystal ball says this is related to the clocksource changes. But at
the very least dmesg and kernel .config is required for debugging.

Also, don't trim CC lists - always use Reply-To-All for LKML threads.


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