On Friday 07 March 2008 16:53:40 Avi Kivity wrote:
> Yang, Sheng wrote:
> > Found more complex for KVM. Xen pulled pm timer down to kernel part, and
> > used the guest TSC as source. So only adjust TSC is OK for it. But we are
> > still using pm timer in QEmu, which using host time as source. So even we
> > pull back TSC, the problem still exists, for 2.6.9 prefer to pm timer by
> > default
>
> Interesting.  I guess we should pull the pm timer into the kernel as
> well.  Timing is too tricky for userspace.

... Should we suggest using "clock=pit" on pae 2.6.9 at first?

-- 
Thanks
Yang, Sheng

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