[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] time went backwards
On 12 Jun 2006, at 10:35, Jan Beulich wrote: I continue to see occasional 'time went backwards' messages on 3.0-testing on larger systems. Is anyone else seeing such? Have there been any improvements to -unstable that haven't been moved over? If so, can anyone point out therespective changesets? Thanks, Jan That would mean cross-cpu jitter of >10ms, when TSCs are resynced every 1s. That's a lot of jitter. I would guess that either we have a bug or something is changing CPU clock frequencies every once in a while (perhaps automatically?). Any idea if the messages correlate with lots of system activity or anything like that? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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