On 10/31/2013 12:41 PM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
>
> When starting a transient VM the first thing done is to check
> for duplicates. The check looks if there are any running VMs
> with the matching name/uuid. It explicitly allows there to
> be inactive VMs, so that a persistent VM can be temporarily
> booted with a different config.
>
>
> The fix is to only allow an existing inactive VM if it is
> marked as persistent.
>
> Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
> ---
> src/conf/domain_conf.c | 6 ++++++
> 1 file changed, 6 insertions(+)
ACK. What a nasty bug to track down.
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 51c4e29..454fbfe 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -2171,6 +2171,12 @@ virDomainObjListAddLocked(virDomainObjListPtr doms,
> vm->def->name);
> goto error;
> }
> + if (!vm->persistent) {
> + virReportError(VIR_ERR_OPERATION_INVALID,
> + _("domain is being started as '%s'"),
The error is a bit awkward (I ask to create a domain named 'foo', and
the error message is 'domain is being started as 'foo''), but no worse
than the error message a couple lines earlier ('domain is already active
as 'foo''). Maybe "domain '%s' is already being started" reads better.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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