On Fri, Oct 08, 2010 at 10:15:59AM +0800, wei song wrote:
> What's your setting of timer_mode and tsc_mode? If your hardware is not
> stable, pls try timer_mode =2 and tsc_mode = 1 and viridian=1.
> -James Song
> 2010/10/6 Mark Adams <mark@xxxxxxxxxxxxxxxxxx
> > Hi Xen-Devel's
> > Please see my note below regarding a serious issue where my clock jumped
> > in dom0. I'm sending this through to the devel list as I haven't managed
> > to glean any clear help from xen-users and the debian bug team are
> > unsure what could have caused this.
> > Can you confirm if the kernel or xen controls the clock in dom0? I also
> > understand that this could be an underlying hardware issue but I have
> > another system on exactly the same hardware which hasn't had this occur.
> > Any advice on how to investigate further or ensure better clock
> > stability across dom0 and domU would be appreciated.
> > Also is it correct behaviour for Xen to reboot an 2008 R2 HVM domU if
> > the time moves this much? My guess is that the domU crashed when the
> > time changed, and was thus rebooted automatically. Strangely the Windows
> > 2003 server didn't get rebooted.
> > If you need any more info to help please let me know.
> > Thanks,
> > Mark
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