WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Should 'xm save' work, when using PCI pass through?

To: Tom Rotenberg <tom.rotenberg@xxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Should 'xm save' work, when using PCI pass through?
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 23 Sep 2009 13:49:32 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 23 Sep 2009 05:49:56 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <8686c3cd0909230416j408e899dm1e73dfda8909d764@xxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Aco8P1WMF2RKQmS7Q0C/bdLWnHP7KAADPY42
Thread-topic: [Xen-devel] Should 'xm save' work, when using PCI pass through?
User-agent: Microsoft-Entourage/12.20.0.090605
I'm not sure xend can save/restore passthrough state. In which case your
only option is to hot-unplug the PCI devices from the guest first.

 -- Keir

On 23/09/2009 12:16, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:

> Well, i just tried sending the domain to S3, and then saving it's
> state, but i got an error saying, that 'migration isn't allowed with
> pass-through devices'.
> How can i workaround this?
> 
> On Wed, Sep 23, 2009 at 1:45 PM, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx> wrote:
>>> I have a domain with PCI pass-through, and i would like to save it,
>>> and restore it later (maybe even after rebooting the dom0). Is it
>>> possible to do this using 'xm save' & 'xm restore', although my domain
>>> has PCI pass through?
>> 
>> You'll need to make sure the physical devices are shutdown. The best way of
>> doing this is to hot unplug them. You could also achieve this by putting the
>> VM into S3 sleep before doing the save.
>> 
>> Ian
>> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel