Bug 123551 - System Time runs lagging very badly
System Time runs lagging very badly
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
i686 Linux
medium Severity high
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Assigned To: Florian La Roche
Ben Levenson
Depends On:
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Reported: 2004-05-19 06:52 EDT by Yap KH
Modified: 2007-11-30 17:10 EST (History)
0 users

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2004-06-16 12:49:13 EDT
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Yap KH 2004-05-19 06:52:36 EDT
Description of problem:

System time skews and lag behind hardware time / actual time.

Version-Release number of selected component (if applicable):

How reproducible:


Steps to Reproduce:
1. go webmin -> hadware -> system time page:

2. sync system time & hardware time against NTP server

3. wait 10 mins

4. observer time skew

Actual results:

System time lags the actual and hardware time by 50%

Expected results:

No skew

Additional info:

In the above case Fedora 2 was ran in vmware.com's virtual machine 
version 4.5, with 96MB of memory, Pentium 4 2.4GHz, virtual harddisk 
6GB emulated on virtual BusLogic SCSI.

The bug on hardware clock was observed by using webmin v 1.140 at the 
hardware -> system time page. In about 10 mins after I sync both 
hardware and system time against NTP server, the skew of system time 
is observed that it is lagging behind by few mins.

I belive the system time is running at half tick of clock, because it 
moved approx 5 mins in every 10 mins.
Comment 1 Yap KH 2004-05-19 07:01:04 EDT
The Fedora refered here is :

Fedora Core release 1.90 (FC2 test 1)

Comment 2 Alan Cox 2004-06-16 12:49:13 EDT
Refiled as kernel
Closed - vmware isnt a supported platform. If it happens iwth FC2 do
talk to vmware about it.

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