'Twas brillig, and David Walser at 05/05/12 17:15 did gyre and gimble: > Colin Guthrie wrote: >> This is why the kernel will automatically does the sync for you every 12 >> minutes when an ntp daemon is running. This is the recommended method. > > How does the kernel know when an ntp daemon is running in user space? Does > it work with chrony, or only ntpd?
I don't know the internals. It works with either chrony or ntpd. >> So unless we have a proper frame of reference, (user set time, ntp >> protocol time) then there should be no manual sync. > > Does the kernel then sync the hwclock when you change the time manually, > including with rdate or ntpdate? It won't do it automatically when doing that. It's really up to whatever tool changes the date/time to do that as needed I think. Col -- Colin Guthrie colin(at)mageia.org http://colin.guthr.ie/ Day Job: Tribalogic Limited http://www.tribalogic.net/ Open Source: Mageia Contributor http://www.mageia.org/ PulseAudio Hacker http://www.pulseaudio.org/ Trac Hacker http://trac.edgewall.org/
