Crazy clock

Joerg Sonnenberger joerg at britannica.bec.de
Mon Dec 6 11:06:23 PST 2004


On Mon, Dec 06, 2004 at 10:39:29AM -0800, Matthew Dillon wrote:
> 
> :Well, well. It seems the TIMER_USE_1 option in the kernel has made the
> :clock a lot more stable! I only got a half a second offset in a 5min
> :waiting period between ntpdate's. Before it was around few hundred ;)
> :
> :I'll keep running this for a while and see how it goes.
> :
> :
> :-Atte
> 
>     This should only make a difference if your kernel is also printing
>     out warnings about the BIOS messing with the timer.... assuming you
>     are running a recent kernel.  Both timers run off the same clock.

The problem is that the BIOS might mess with the timer directly like my
notebook does. We can't detect changes from System Management Mode.

Joerg

> 
> 					-Matt
> 					Matthew Dillon 
> 					<dillon at xxxxxxxxxxxxx>





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