Re: Clock disciplining

[der Mouse <mouse%Rodents-Montreal.ORG@localhost>]

>> (And, yes, there is a question mark in the CPU device name - it
>> surprised me too, but it works with dev and it works with
>> find-device.)
> You have a G3 upgrade, do you?
> Older Apple OF versions know only about 601, 603 and 604 CPUs,
> everything else becomes 60?

I think so, but I'm not really competent to be sure.  There are
indications that I thought I do; my kernel config name includes "G3",
for example.  The kernel says

cpu0 at mainbus0: 750 (Revision 2.2), ID 0 (primary)
cpu0: HID0 8090c0a4<EMCP,DOZE,DPM,ICE,DCE,SGE,BTIC,BHT>, powersave: 1
cpu0: 305.88 MHz, no-parity 512KB WB L2 cache (PB SRAM) at 2:1 ratio

> That said, I have no clue what's going wrong with your nvramrc but
> maybe we can add a sysctl knob for the timebase frequency.

That's another thing that had occurred to me, but without looking I
couldn't tell how feasible it was to make that value run-time variable.
(I've often enough seen things that are set up once at startup and then
end up with tantacles everywhere, so changing them live is messy.  If
timebase-frequency is not one of them, great; a sysctl would be a
splendid alternative.  I'll have to have a look.)

/~\ The ASCII                             Mouse
\ / Ribbon Campaign
 X  Against HTML                mouse%rodents-montreal.org@localhost
/ \ Email!           7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B