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Re: [Xen-users] Help: Guest OS time synchronization problem

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Help: Guest OS time synchronization problem
From: "Ulrich Windl" <ulrich.windl@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 11 Dec 2006 08:54:14 +0100
Delivery-date: Sun, 10 Dec 2006 23:54:41 -0800
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Organization: Universitaet Regensburg, Klinikum
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On 10 Dec 2006 at 22:42, Chu, Sam wrote:

> I am having great difficulty to maintain guest OS time. Here is my
> environment.
> 
[...]
> /proc/sys/xen/independent_wallclock = 0

Toggling that to 1 made time OK here for a four CPU Opteron machine (SLES10 
x86_64):

     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
*rkdvmso1.dvm.kl 132.199.176.97   2 u  778 1024  377    0.208    0.025   0.789
+rksapas01.dvm.k 192.168.0.61     3 u  116 1024  377    0.133    0.033   0.767
+rksapas02.dvm.k 192.168.0.61     3 u  846 1024  377    0.100    0.051   0.781
+rksapas03.dvm.k 192.168.0.62     3 u  781 1024  377    0.311   -0.044   0.835
+rksapas04.dvm.k 192.168.0.62     3 u  843 1024  377    0.306    0.033   0.767
+rksapas05.dvm.k 192.168.0.63     3 u  808 1024  377    0.320   -0.097   0.826
+rksapas06.dvm.k 192.168.0.42     4 u  805 1024  377    0.205   -0.013   0.789
+rksapas08.dvm.k 192.168.0.64     3 u  833 1024  377    0.320   -0.014   0.908

Regards,
Ulrich


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