Re: [Xen-users] Graceful Shutdown For Windows Domain?

[Iain Kay <spam@xxxxxxxxxxx>]

Windows should be fine with ACPI signals assuming it has sufficient drivers to 
detect this functionality 'from the BIOS'.

Can't comment on the GPLPV drivers but I'd imagine if they include a shut down 
service this would be how it's being accomplished.

Check out this: 
http://msdn.microsoft.com/en-us/library/aa939200(v=winembedded.5).aspx

Seems to make out that the power button is controlled via ACPI. Therefore if 
you have booted your VM with "acpi = 0" in domU cfg then it's highly unlikely 
you will be able to trigger a graceful shut down.

Iain Kay


On 19 May 2011, at 18:28, Steven Timm wrote:

> 
> Is windows sensitive to the ACPI signals?  that is what Xen uses
> to talk to Linux VM's if I understand it correctly.
> 
> Steve Timm
> 
> On Thu, 19 May 2011, John Backes wrote:
> 
>> Hi,
>> 
>> I was wondering if there is anyway to gracefully shutdown a Windows domain? 
>> The xm shutdown command essentially "cuts power off" to the machine.
>> 
>> Thanks.
>> 
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>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>> 
> 
> -- 
> ------------------------------------------------------------------
> Steven C. Timm, Ph.D  (630) 840-8525
> timm@xxxxxxxx  http://home.fnal.gov/~timm/
> Fermilab Computing Division, Scientific Computing Facilities,
> Grid Facilities Department, FermiGrid Services Group, Group Leader.
> Lead of FermiCloud project.
> 
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