Re: comprehensive documentation of clock-related options for HVM guests

[Guillaume Rousse <Guillaume.Rousse@inria.fr>]

Keir Fraser a écrit :
> It's also worth pointing out that NTP synchronisation in dom0 does not
> affect HVM guest synchronisation at all. And in general that would be very
> hard to do in a way that isn't fragile. The only solutions I can see here
> for absolute time synchronisation are a PV driver or daemon for time
> handling (which we do not currently have for any type of HVM guest) or
> perform NTP synchronisation in the guest itself (our time handling should be
> accurate enough for an ntp daemon to latch onto it).
That's what (ntp sync in guests) we do, sorry if I wasn't clear. I've 
tried timer_mode=1 yesterday, it seem to have reduced the deviation to 
an acceptable level for every host but one. I'll try to switch to 
timer_mode=2 today.
-- 
BOFH excuse #40:

not enough memory, go get system upgrade