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Date:      Thu, 16 Jul 1998 09:17:58 GMT
From:      jak@cetlink.net (John Kelly)
To:        Bruce Evans <bde@zeta.org.au>
Cc:        current@FreeBSD.ORG
Subject:   Re: tickadj -t not changing tick
Message-ID:  <35adc33e.212647565@mail.cetlink.net>
In-Reply-To: <199807160853.SAA31913@godzilla.zeta.org.au>
References:  <199807160853.SAA31913@godzilla.zeta.org.au>

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On Thu, 16 Jul 1998 18:53:34 +1000, Bruce Evans <bde@zeta.org.au>
wrote:

>OTOH, when you change the m-d variables, the kernel attempts to propagate
>the changes, but it doesn't succeed (it sets the active frequency,
>possibly causing a glitch due to the non-atomic update, and the change
>gets blown away at the next clock interrupt).

I just tried this on a 486 running a 980515 SNAP, and it worked.  It
*did* propagate machdep.i8254_freq to kern.timecounter.frequency.  And
from checking the time deviation with ntpdate, it seems to be right on
the mark now.

Are you saying it may propagate sometimes but not always?



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