[ntp:questions] ntp.org's ntpd not to set the hardware clock
Ivan Shmakov
oneingray at gmail.com
Thu Sep 13 07:40:23 UTC 2012
>>>>> David Woolley <david at ex.djwhome.demon.invalid> writes:
>>>>> Ivan Shmakov wrote:
>> I wonder, how do I configure ntpd(8) (as of the Debian Wheezy ntp
>> package [1]) /not/ to touch the hardware clock?
> ntpd does not set the hardware clock. That is done by the Linux
> kernel, when the clock is disciplined by anything.
ACK, thanks. I've suspected something like this may be
happening.
> It's a long time since I looked at that code, but there may be a
> kernel build time option, and you can always delete the code from the
> kernel.
For a one-time task, re-building the kernel doesn't seem like a
sensible choice. Perhaps there's a sysctl(8), or a /proc (/sys)
interface to disable it? Or perhaps "disable kernel" within
/etc/ntp.conf will do the thing?
> I assume you mean the 32kHz RTC, sometimes called TOY.
Yes.
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