[ntp:questions] Can a clock drift be too big for ntpd?

Spoon root at localhost.invalid
Thu Oct 25 09:24:53 UTC 2007

Patrick Nolan wrote:
> Patrick Nolan wrote:
>> Patrick Nolan wrote:
>>> I realized something since yesterday.  This machine's unique feature is that I
>>> compiled a new kernel to add the Reiser file system.  I downloaded the
>>> source RPM for the exact version that came with the distro, and the only
>>> thing I changed was to enable ReiserFS.
>> I got a chance to reboot the machine with the original distro kernel,
>> without Reiser FS.  The clock problem goes away.  ntpd syncs up and stays
>> synced.
>> My next step will be to make a kernel with Reiser but with HZ reduced from
>> 1000 to 250.  Stay tuned for further developments.
>> This is kernel 2.6.18 running on an Intel Core Duo, 2.4 GHz.
> It works.  With kernel HZ reduced to 250 and a Reiser disk mounted,
> ntp is able to sync.  I have gone back to a conventional ntp.conf with
> multiple servers.

If I understand correctly, the problem was HZ=1000?

More information about the questions mailing list