[PlanetCCRMA] NTP anyone?

Steve Harris S.W.Harris@ecs.soton.ac.uk
Fri Jul 25 02:36:01 2003

On Thu, Jul 24, 2003 at 10:15:29 -0700, Florin Andrei wrote:
> Anyone noticed any anomalies when doing media stuff and running ntpd?
> Normally, ntpd is not supposed to make the system time jump, but
> sometimes it does. For example, on some bad systems, if you do things
> like CD-writing, for some reason the system CPU usage goes through the
> roof. The system is very unresponsive meanwhile (no matter which
> kernel), and afterwards you end up with a system clock that's quite a
> few seconds behind.
> Shortly thereafter, ntpd makes the clock jump.

I'm not sure its ntpd, running lots of heavy DMA caused the x86 cycle
counter (which runs various things) to go nuts, but I dont think its ntp
that fixes it afterwards.

What happens if you stop ntpd first? 

- Steve