Kernel NTP flipping between FLL and PLL modes

Roland Smith rsmith at
Fri Apr 1 09:42:55 PST 2005

On Fri, Apr 01, 2005 at 02:24:50PM +0100, Bob Bishop wrote:

> >>Any suggestions as to why this is happening?  (And how I can stop
> >>it regularly flipping)
> >
> >I don't think this is really an issue. [etc]
> I think this is an issue:
> - As stated, machines running 4.x don't seem to do it
> - In addition to the mode schizophrenia, undex 5.3 I'm also seeing resets 
> of several seconds which don't happen on identical hardware running 4.11 in 
> the same rack. Yes I know the clock drifts will be different, but ntp.drift 
> is very close on the two boxen.

On my amd64 box I also get the mode flipping, but I don't get resets.

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