Clocks broken on Mac mini

[Hal Murray]

> $ cat /proc/cmdline
root=UUID=48d99649-90b2-4dc6-be05-5ca3858579a1 ro 


hugh at blemings.org said:
> That sounds right for getting into OpenFirware - but for what we're  digging
> into you shouldn't need to putz with it. 

It looks like the kernel code is getting the clock frequency from Open 
Firmware.  If that's off, it could lead to this sort of problem.

The Intel version of Linux calibrates the TSC against one of the other clocks 
that is well specified, or at least constant in practice.

-- 
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