[libvirt] pausing / unpausing guests with libvirt

[Matthew Donovan]

Looks like that did it.  I can pause and resume Linux and Windows guests
with this method.


Thanks a lot! 
-matthew

> -----Original Message-----
> From: Daniel P. Berrange [mailto:berrange at redhat.com] 
> Sent: Monday, September 22, 2008 4:17 AM
> To: Matthew Donovan
> Cc: libvir-list at redhat.com
> Subject: Re: [libvirt] pausing / unpausing guests with libvirt
> 
> On Sun, Sep 21, 2008 at 05:16:32PM -0400, Matthew Donovan wrote:
> > 
> > DEBUG: libvirt.c: virDomainCreate (domain=0x92bd1e0)
> > DEBUG: libvirt.c: virDomainSuspend (domain=0x92bd1e0)
> > virDomainSuspend() failed: 0
> 
> I think this is a  bug in the Xen driver - the  virDomainCreate 
> api is not updating the internal 'id' parameter of the virDomainPtr
> object, so when you then call virDomainSuspend() with the same
> virDomainPtr it doesn't have the id it needs
> 
> The easy workaround is to just get rid of your existing dom object
> and lookup a new one with 'virDomainLoopByUUID' after starting it.
> 
>      virDomainPtr dom;
>      char  uuid[VIR_UUID_BUFLEN];
> 
>      virDomainCreate(dom);
> 
>      virDomainGetUUID(dom, uuid);
>      virDomainFree(dom);
>      dom = virDomainLookupByUUID(conn, uuid);
> 
>      virDomainSuspend(dom);
> 
> Daniel
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