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SubjectRe: Clocksource tsc unstable (delta = -8589361717 ns) in current git
On Tue, 2010-10-26 at 15:58 +0200, Markus Trippelsdorf wrote:
> >
> > This is strange, tsc is actually stable on your F10h revC.
> Yes. constant_tsc is among the CPU flags.

constant_tsc only means the TSC is not affected by cpu freq changes.

It has zero relevance to cross-cpu sync of the TSC. The clocksource
stuff requires your TSC to be synchronous over all your CPUs.

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