[ntp:questions] disable pll not working?
David L. Mills
mills at udel.edu
Wed Jan 24 04:39:34 UTC 2007
As most folks know, I resist the urge to comment on NTPv3 (xntpd);
however, I don't know where Yahoo or Youtube or Yazzam latched the
information that enable/disable pll enables or disables the NTP clock
discipline. In xntpd, it ONLY enables or disables the kernel discipline.
In NTPv4 the enable/disable ntp command does enable and disable the
clock discipline, both in the daemon AND the kernel.
Ronan Flood wrote:
> "Stifi" <stefanjuon at yahoo.com> wrote:
>>sorry, here once again the manpage section in a better readable format:
>>Enables the server to adjust its local clock. If not set, the
>>local clock free-runs at its intrinsic time and frequency
>>offset. This flag is useful in case the local clock is
>>controlled by some other device or protocol and NTP is used only to
>>provide synchronization to other clients.
> I believe this is known to be incorrect -- "disable pll" in xntpd tells
> the daemon to discipline the system clock itself; "enable pll" tells the
> daemon to use the kernel to discipline the system clock.
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