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The Thursday 2007-12-06 at 17:58 -0800, Randall R Schulz wrote:
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.
Then you have the luck of getting a pretty good crystal. That's just a
matter of luck. One second per day is 0.0000116 or 0.00116% error.
Normal wrist watches are usually specified to 4 seconds per day at worst.
Two seconds is typical.
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!
Clearly this represents a gross hardware failure or a similarly extreme
software problem.
As the problem started the very same day I upgraded to suse 10.3, that
points to software.
You might want to try to quantify the error to a few decimal places. I
Unfortunately, it appears to be random :-(
1 Nov 11:28:02 ntpd[4669]: time reset +0.493571 s
1 Nov 19:54:33 ntpd[6168]: time reset +0.324889 s
2 Nov 11:56:25 ntpd[6168]: time reset +0.493251 s
2 Nov 14:09:49 ntpd[6168]: time reset +0.761453 s
2 Nov 18:57:50 ntpd[6168]: time reset +0.267648 s
2 Nov 19:19:37 ntpd[6168]: time reset +0.633949 s
3 Nov 15:04:26 ntpd[4993]: time reset +13.963114 s <=== upgrade to 10.3
3 Nov 16:14:24 ntpd[4993]: time reset +126.365828 s
3 Nov 19:12:32 ntpd[5051]: time reset +42.074367 s
4 Nov 12:46:09 ntpd[5076]: time reset +22.996088 s
4 Nov 13:32:56 ntpd[5076]: time reset +393.672856 s
5 Nov 13:35:23 ntpd[5163]: time reset +351.141250 s
Different amounts, often minutes after network peer is lost; perhaps an
adsl reset.
To calculate the drift I'd have to catch the computer in the act, and then
compare the time accurately over a period.
- --
Cheers,
Carlos E. R.
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