On Thu, Mar 02, 2006 at 06:00:48AM +0000, Poul-Henning Kamp wrote.. > In message <200603011724.08214.jhb_at_freebsd.org>, John Baldwin writes: > > >Maybe we could make the dynamic flag for the tsc controllable via tunable? > > Ideally ACPI would tell us the max TSC frequency and the TSC wouldn't need > to be marked variable. Havn't had time to look at this yet though. > > >If I have a server machine without any fancy pentium-m cpufreq type stuff, > >then I would rather just use the tsc frequency snapshot taken at boot and > >just stick with that as the static frequency then have a bunch of warnings > >on the console if the max freq changes sometime later. > > Right, I would actually prefer to try to make the calibration more precise > first, rather than add yet another knob for roots to remember to tweak. > > >Also, note that > >I am still getting a bunch of the backwards messages on my DS20 Alpha which > >is _not_ using the TSC. :) > > That's interesting... Alpha should be using the timecounter and that > is not marked "variable". > > My alpha hasn't been able to boot in a long time now :-( Bah indeed. Can't you get a DS10 from the ex-package-building cluster? Kris is not using those anymore so my guess(!!!) is that they are sitting idle. -- Wilko Bulte wilko_at_FreeBSD.orgReceived on Thu Mar 02 2006 - 06:03:12 UTC
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