The other thing about it is that it's not just lost interrupts: the
systems are as apt to *gain* time, instead of losing it, again enough
to make Kerberos upset (I've seen them gain 10 minutes over 5 minutes
of wall time). Again, I haven't been able to correlate gain vs. loss
(or amount thereof) to any particular program or device/driver.
Hmm... I've never seen this myself. I've only lost time, on my clock,
and only under very explainable circumstances (such as using the
Bustoaster SCSI card). And I use Kerberos all the time, so I tend to
notice right away when the clock drifts; usually it stays very much
right on target, even without running NTP or any kind of time
synchronization protocol. (I just periodically do the equivalent of
ntpdate, but it's only every few months.)
FWIW, I'm running RedHat 5.2, with a 2.1.latest kernel on a laptop
machine.
- Ted
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