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Old 13th February 2004, 05:04 PM
Robby Offline
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Join Date: Feb 2004
Posts: 5
system clock runs too fast?

The hardware clock is fine (verified with hwclock), but the system time seems to be running a bit fast, a day of uptime shows already 2 hours and a couple of minutes ahead of the time it really is.
When setting the time correct again and waiting for 3 minutes and checking it again, it already is about 20 seconds ahead of time, again the hardware clock (checked with hwclock) is running OK.

Anyone else noticed this too?
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Old 14th February 2004, 12:28 AM
vorte[x] Offline
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Join Date: Mar 2004
Posts: 155

:?: Are you on hardware that uses HyperThreading technology? Or maybe an IBM Thinkpad?
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Old 24th May 2004, 04:52 PM
BryanJField Offline
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Join Date: May 2004
Location: Stony Brook, NY
Age: 40
Posts: 1
system clock runs too fast on IBM Thinkpad

I too am having this problem and I am running on an IBM Thinkpad i1412 with 512MB RAM and a Celeron 366.

Anyone know why this is happening? It also seems to push the CPU to run at half the correct speed. I'm runnin at 182 MHz instead of 366 MHz :-(
Bryan J. Field
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Old 8th July 2004, 11:47 AM
automan Offline
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Join Date: Jul 2004
Posts: 11
I am also having the same problem on an IBM Thinkpad with Celeron 366. Any way to fix this issue?
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Old 9th July 2004, 12:30 AM
duncan Offline
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Location: Florida (central)
Age: 67
Posts: 87
Try running adjtimex -a
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Old 31st August 2005, 06:22 PM
sebfc4 Offline
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Join Date: Aug 2005
Posts: 2
I had this problem, which is linked to a 50% CPU usage (not very good).
What you have to do is add "no_time_check" in /boot/grub/grub.conf
title Fedora Core (2.6.12-1.1398_FC4)
root (hd0,0)
kernel /vmlinuz-2.6.12-1.1398_FC4 ro root=/dev/vg00/lv00 rhgb quiet no_timer_check
initrd /initrd-2.6.12-1.1398_FC4.img
I added the ntpd (network time Protocol) to be sure to be always on the right time at startup.
Everything works fine now, my cpu usage is back to 1% at startup (that is a quick efficient tuning!)
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clock, fast, runs

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