[me]
> [Izumi Tsutsui]
>> I saw the similar errors on testing timecounter(9) support on alpha
>> and "options HZ=1024" fixed the problem.
> I added that to my kernel config, and it seems to have cured the
> problem.

I spoke too soon.  About 28 hours after boot, the problem came back,
both the setclock messages on the console and the "exceeds tolerance"
messages in syslog.

Next up: trying the CLKF_BASEPRI change.

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