Re: setting system clock-rate

[matthew sporleder <msporleder%gmail.com@localhost>]

On 3/1/09, Kristoff Bonne <kristoff.bonne%skypro.be@localhost> wrote:
> Hi All,
>
>
>  I have installed netbsd 4.0.1 on an old PC (pentium III, 1 Ghz).
>
>
>  Due to some reason (probably hardware I guess), the system-clock runs
>  about 3 % to fast. The RTV-clock is correct, but the system-clock goes 1
>  to 2 seconds more in advance every minute.
>
>  The time-difference is that large, that ntpd is unable to sync.
>
>
>
>  Using debian and "adjtimex", I managed to get the "tick" and
>  "frequency"-values to correct this:
>  tick: 9738, frequency: -1503002
>
>  So, how do I configure netbsd to change the system clock-rate. "sysctl
>  -w kern.clockrate=9738" doesn't work as that value seams to be read-only.
>
>
>  I tried using ntp with copying the value in the driftfile to netbsd
>  (-22.934), but that doesn't work neither. (doesn't ntpd use that value
>  to set the system-clock rate?)
>
>
>  Anybody any idea?
>

Can you look in machdep.est?