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Bug 577266

Summary: Time drift in win2k3-64bit and win2k8-64bit smp guest
Product: Red Hat Enterprise Linux 5 Reporter: RHEL Program Management <pm-rhel>
Component: kvmAssignee: Gleb Natapov <gleb>
Status: CLOSED ERRATA QA Contact: Virtualization Bugs <virt-bugs>
Severity: medium Docs Contact:
Priority: low    
Version: 5.5CC: gleb, knoel, lihuang, llim, michen, pm-eus, qzhang, tburke, virt-maint, ykaul
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kvm-83-164.el5_5.3 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-05-18 08:07:32 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 555727    
Bug Blocks:    

Description RHEL Program Management 2010-03-26 15:27:09 UTC
This bug has been copied from bug #555727 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 5 Miya Chen 2010-04-09 07:54:27 UTC
Test in kvm-83-164.el5_5.3, big time drift does not exist.
-----------------------------------------------------------
|          |       AMD host        |       Intel host     |
-----------------------------------------------------------
| Guest    |   up      |    smp    |    up    |    smp    |
-----------------------------------------------------------
|win2k3-64 |   OK      |   OK      |   OK     |    OK     |
-----------------------------------------------------------
|win2k8-64 |   OK      |   OK      |   OK     |    OK     |
-----------------------------------------------------------

steps:
1.Boot smp guest:
/usr/libexec/qemu-kvm -no-hpet -rtc-td-hack -usbdevice tablet -smp 2 -m 2G -drive file=win2008-64-virtio.qcow2,if=virtio,boot=on -net nic,vlan=0,macaddr=20:88:99:11:99:91 -net tap,vlan=0,script=/etc/qemu-ifup -uuid `uuidgen` -cpu qemu64,+sse2 -vnc :16 -monitor stdio
2.Install ntp-setup.exe in guest.
3.Sync guest's time with ntpserver:clock.redhat.com
#ntpdate -b clock.redhat.com
4.Running the drift_test.exe (in the bug attachment) inside guest.
5.Check the time in guest's command prompt:
#ntpdate -b -q clock.redhat.com
6.Check the time in guest's command prompt after 10 minutes.
#ntpdate -b -q clock.redhat.com

Comment 9 errata-xmlrpc 2010-05-18 08:07:32 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2010-0419.html