Clock jumps

[Orion Poplawski]

I have a KVM virtual machine running 2.6.33.4-95.fc13.x86_64 on a CentOS 5.5
host whose clock jumps about 8-12 hours a couple times a day.  I have no idea
what is causing it.  Fedora 12 and Centos 5.5 KVM machines run fine on the same
host.  Is there any debugging I can enable to see what is jumping the clock?

kvm-clock: cpu 0, msr 0:1ba4741, boot clock
kvm-clock: cpu 0, msr 0:1e15741, primary cpu clock
Switching to clocksource kvm-clock
rtc_cmos 00:01: setting system clock to 2010-05-20 16:59:48 UTC (1274374788)

Thanks,

 Orion

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