low HZ value causes "Time Warp Bug" (re: this Puny Pentium2
suddenly became 45% slower!)
P.D. Seniura
pdseniura at techie.com
Thu May 6 17:55:20 PDT 2004
> > It seems this bug happens when the HZ value goes below 16
> > (either by compiling 'options HZ=' in kernel or setting
> > sysctl 'kern.hz=' in /boot/loader.conf). The computed
> > 'ticks' value becomes too large for 2-byte int producing
> > crazy overflowed numbers elsewhere.
>
> 16 is pretty low..
> Then again it would be nice if it warned you or something similar when you
> tried it :)
Heh, I got HZ set to 20 while it does
buildworld (~9 hours) and portupgrade overnight.
The idea is "less slicing and more doing". ;)
--
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