Hello!

I need a precise time measurement under QEMU with SLES 9 (Kernel 2.6.8) as
host and guest.

I synchronize the clock via ntpdate with a ntp-time-server. Then I start
heavy load applications. When I execute ntpdate again, I get a negative
offset, sometimes a positive offset with more than 1 second. That means that
the clock runs slower (or faster) in the guest os. 

How can I get a time synchronisation between Host- and Guest-OS? 

I tried the following kernel options at the guest:

nosmp noapic nolapic clock=pit

But without success :-(

Thanks for your help!

Best regards,

Christoph

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