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RE: [Xen-users] Desynchronize clock

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Desynchronize clock
From: Steve Brueckner <steve@xxxxxxxxxxxxxx>
Date: Wed, 7 Mar 2007 13:19:40 -0500
Delivery-date: Wed, 07 Mar 2007 10:18:53 -0800
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As part of a security research project, I'm experimenting with capabilities
of HVMs to test malware.  There are a number of reasons for me wanting to
control time within such a sandbox (e.g., jumping the clock or changing the
clock speed to set off absolute or relative time-bombs).

Steve Brueckner, ATC-NY

-----Original Message-----
From: Donofrio, Lewis [mailto:donofrio@xxxxxxxxx] 
Sent: Wednesday, March 07, 2007 1:10 PM
To: Steve Brueckner
Subject: RE: [Xen-users] Desynchronize clock

Weird - might I ask why?

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users- 
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Steve Brueckner
> Sent: Tuesday, March 06, 2007 6:31 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Desynchronize clock
> 
> I don't want my dom0 to update the clock in my HVM domU.  I've already 
> disabled network-based time synchronization inside the HVM.  I've
tried
> setting /proc/sys/xen/independent_wallclock=1 and then restarting
xend,
> but
> the guest still gets the correct time.
> 
> Any ideas on how to accomplish this?
> 
> Steve Brueckner, ATC-NY
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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