On 2011-07-15 17:19, Roger Oberholtzer wrote:
This massaging does seem to happen when ntp is running and after it has a server. But I am not convinced that anything is done when ntp starts and before it gets in contact with a server. And that is what chrony provides. A useful estimate of time before the first server is found.
There are two corrections done. One is done by the suse boot scripts, by use of hwclock and the /etc/adjtime fiile, to compensate for the estimated drift of the cmos, battery backed, clock, while the system was unpowered. The boot or initial error. The other is done by ntp, which adjusts the speed of the system clock. Not the initial time, but the drift it will have from that point on. -- Cheers / Saludos, Carlos E. R. (from 11.4 x86_64 "Celadon" at Telcontar)