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Bug 5131 - system time drift
Summary: system time drift
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: x86 Linux
: High normal (vote)
Assignee: Doug Goldstein (RETIRED)
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2002-07-16 22:58 UTC by Ken Nowack
Modified: 2003-02-04 19:42 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Ken Nowack 2002-07-16 22:58:01 UTC
My system time drifts about 12 hours off (roughly) inside an hour after I log
out. I replaced the CMOS battery, verified /etc/localtime, verified rc.conf was
set to use local for time instead of UTC, recompiled the kernel to make sure RTC
support was enabled. recompiled rdate and ntpd, and verified the
/etc/init.d/clock script.

The drift only occurs when I log out. Once I do, the drift gets bad enough that
it kills ntpd (because ntp can onyl adjust the time in steps, not jumps). This
issue doesn't occur in win98 (dual boot box). I also tried setting a cron job to
'rdate -s ntpserv' every 15 minutes, but it would only update the system time if
i was logged in, once i logged out it stopped updating the time and the drift
returned.

I've been surfing IRC for answers and found none. Finally I sent an email to the
dev and users ML's. Several other users reported the same issue, but no one
supplied any answers.

Does anyone have any idea why this is happening?

Thanks
Comment 1 Ken Nowack 2002-07-22 11:12:47 UTC
I fixed this by recompiling my kernel setting jiffies=100 instead of 1000. And
also I had to disable the apm settings in the bios. Never had an issue with that
before when I was running mdk so I didn't think to check til late in the game.
Specifically, I had to disable the System sleep timer.