Clocks broken on Mac mini

Hugh Blemings hugh at blemings.org
Tue Jan 31 11:30:49 UTC 2017


Hiya Hal, All,

On 31/01/2017 22:25, Hal Murray wrote:
>
> hugh at blemings.org said:
>> Oh ok, did it make any sort of sensible change ?  Did tweaking the clock
>> parameter the "wrong" way make it better I wonder ?
>
> I didn't try that.  The change I tried seemed reasonable.  I might have
> fatfingered something.  It takes just long enough to try something that I
> didn't go into the try-lots-of-things mode.  (It required typing stuff at
> Open Firmware, and I actually have to type rather than cut-paste, and then
> booting and waiting 5 or 6 minutes until ntpd prints an error message.)  I'm
> hoping I'll figure out why I was wrong and/or what I should have done.

That makes sense :)

>> PS It's a bit bizzarre that this happens under FreeBSD as well, though  it's
>> entirely possible there is some shared code in there, at least at  an
>> "inspired by" level.
>
> Or both kernels are correct and the numbers provided by Open Firmware are
> wrong.

True - OF is the common factor - maybe the kernels are just blindly 
taking it as true, perhaps not unreasonably.

Cheers,
Hugh





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