On Fri, 2007-12-07 at 02:38 +0100, Carlos E. R. wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > > The Thursday 2007-12-06 at 17:26 -0800, Randall R Schulz wrote: > > > On Thursday 06 December 2007 17:16, Carlos E. R. wrote: > >> ... > >> > >> Please, remember that the system time does not use the cmos clock and > >> battery at all. That's a different clock altogether. Plus, the cmos > >> clock is running fine, I'm checking it at the moment. > > > > "... at all ...?" I don't think this is really true, is it? > > > > When the system starts up, the Linux kernel initializes it's notion of > > the current time from the mainboard's CMOS clock (which, on all > > machines built in the past twenty years or more, is powered and running > > even when the computer is powered down and even disconnected from the > > mains; that's in part what the battery is for). > > I know that. I actually wrote a howto on that ;-) > > What I mean is that during normal system use it is not used at all. It is > read on boot, and written on halt (and I think on NTP stop, by the > script, not the daemon). > > > > Thereafter, the Linux kernel updates its time based on a timer > > interrupt, also generated by local hardware, of course. These timers > > are, as has been noted, not particularly accurate and often exhibit > > considerable drift over even moderate real-time intervals. > > Not really. I have been using this same machine without permanent network, > and thus, no NTP, for years, and the clock drift was about a second or two > per day. > > > Likewise, if the system cannot contact an NTP server, it has a > > reasonable guess as to the current time, and it makes do with that. > > It should be able to keep accurate time for hours, even days. This was so > with previous suse versions, but not with 10.3. It drifts minutes in half > an hour. This is unthinkable! > > - -- > Cheers, > Carlos E. R. > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.4-svn0 (GNU/Linux) > > iD8DBQFHWKQStTMYHG2NR9URArE/AJ9SHN6YTdaAi7+u8O2CohAzKdNZVQCgl3/G > x2t2RjuZSl4uB3bIbSQwCsU= > =4bdy > -----END PGP SIGNATURE----- It does sound like your driftfile is messed up. -- Joseph Loo [EMAIL PROTECTED]
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