Re: [Xen-users] GPLPV, clock drift and PVUSB in Windows XP HVM

[Radoslaw Szkodzinski <astralstorm@xxxxxxxxx>]

On Sun, Jul 8, 2012 at 4:24 PM, Radoslaw Szkodzinski
<astralstorm@xxxxxxxxx> wrote:
> On Fri, Jun 29, 2012 at 9:45 AM, Eric Lindsey <eslindsey@xxxxxxxxx> wrote:
>> I'm sorry for being unclear in my original message. I'm experiencing the 
>> clock drift with and without the GPLPV drivers. However, I was surprised 
>> that those drivers didn't include their own version of Linux's 
>> independent_wallclock, which I presume takes care of the clock drift problem 
>> in those operating systems (though I'll be the first to admit that's merely 
>> an assumption and I've very little experience in this area). How can I solve 
>> the clock drift problem, and keep my XP HVM synchronized with my dom0 
>> hardware clock (which does not suffer from drift)?
>
> Have you tried tsc_native=1 yet? This will emulate synced RDTSC.
> It'd be a bug in Xen if it didn't notice your TSC is broken...

Sent too soon, it's now called tsc_mode. (see xmexample.hvm)

-- 
RadosÅaw SzkodziÅski

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