Hi,

Enable network and disks on your VM than do:
Run -> ONCE Ok Ignore errors. Ok
Run 
Cheeers
Olri


> Am 07.03.2018 um 16:49 schrieb Arik Hadas <aha...@redhat.com>:
> 
> 
> 
>> On Wed, Mar 7, 2018 at 5:32 PM, Jan Siml <js...@plusline.net> wrote:
>> Hello Arik,
>> 
>> 
>>>         we have upgrade one of our oVirt engines to 4.2.1 (from 4.1.9)
>>>         and afterwards all nodes too. The cluster compatibility level
>>>         has been set to 4.2.
>>> 
>>>         Now we can't start a VM after it has been powered off. The only
>>>         hint we found in engine.log is:
>>> 
>>>         2018-03-07 14:51:52,504+01 INFO
>>>         [org.ovirt.engine.core.vdsbroker.UpdateVmDynamicDataVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] START,
>>>         UpdateVmDynamicDataVDSCommand(
>>>         UpdateVmDynamicDataVDSCommandParameters:{hostId='null',
>>>         vmId='a7bc4124-06cb-4909-9389-bcf727df1304',
>>>         vmDynamic='org.ovirt.engine.co
>>>         
>>> <http://org.ovirt.engine.co>re.common.businessentities.VmDynamic@491983e9'}),
>>> 
>>>         log id: 7d49849e
>>>         2018-03-07 14:51:52,509+01 INFO
>>>         [org.ovirt.engine.core.vdsbroker.UpdateVmDynamicDataVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] FINISH,
>>>         UpdateVmDynamicDataVDSCommand, log id: 7d49849e
>>>         2018-03-07 14:51:52,531+01 INFO
>>>         [org.ovirt.engine.core.vdsbroker.CreateVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] START, CreateVDSCommand(
>>>         
>>> CreateVDSCommandParameters:{hostId='0add031e-c72f-473f-ab2f-4f7abd1f402b',
>>>         vmId='a7bc4124-06cb-4909-9389-bcf727df1304', vm='VM
>>>         [prod-hub-201]'}), log id: 4af1f227
>>>         2018-03-07 14:51:52,533+01 INFO
>>>         [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] START,
>>>         CreateBrokerVDSCommand(HostName = prod-node-210,
>>>         
>>> CreateVDSCommandParameters:{hostId='0add031e-c72f-473f-ab2f-4f7abd1f402b',
>>>         vmId='a7bc4124-06cb-4909-9389-bcf727df1304', vm='VM
>>>         [prod-hub-201]'}), log id: 71dcc8e7
>>>         2018-03-07 14:51:52,545+01 ERROR
>>>         [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] Failed in
>>>         'CreateBrokerVDS' method, for vds: 'prod-node-210'; host:
>>>         'prod-node-210': null
>>>         2018-03-07 14:51:52,546+01 ERROR
>>>         [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] Command
>>>         'CreateBrokerVDSCommand(HostName = prod-node-210,
>>>         
>>> CreateVDSCommandParameters:{hostId='0add031e-c72f-473f-ab2f-4f7abd1f402b',
>>>         vmId='a7bc4124-06cb-4909-9389-bcf727df1304', vm='VM
>>>         [prod-hub-201]'})' execution failed: null
>>>         2018-03-07 14:51:52,546+01 INFO
>>>         [org.ovirt.engine.core.vdsbroker.vdsbroker.CreateBrokerVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25)
>>>         [f855b54a-56d9-4708-8a67-5609438ddadb] FINISH,
>>>         CreateBrokerVDSCommand, log id: 71dcc8e7
>>>         2018-03-07 14:51:52,546+01 ERROR
>>>         [org.ovirt.engine.core.vdsbroker.CreateVDSCommand]
>>>         (EE-ManagedThreadFactory-engine-Thread-25) [f855b5
>>>         4a-56d9-4708-8a67-5609438ddadb] Failed to create VM:
>>>         java.lang.NullPointerException
>>>         at
>>>         
>>> org.ovirt.engine.core.vdsbroker.builder.vminfo.LibvirtVmXmlBuilder.lambda$writeInterfaces$23(LibvirtVmXmlBuilder.java:1066)
>>>           [vdsbroker.jar:]
>>> 
>>>         [...]
>>> 
>>>         But this doesn't lead us to the root cause. I haven't found any
>>>         matching bug tickets in release notes for upcoming 4.2.1. Can
>>>         anyone help here?
>>> 
>>> 
>>>     What's the mac address of that VM?
>>>     You can find it in the UI or with:
>>> 
>>>     select mac_addr from vm_interface where vm_guid in (select vm_guid
>>>     from vm_static where vm_name='<vm_name>');
>>> 
>>> 
>>> Actually, different question - does this VM has unplugged network interface?
>> 
>> The VM has two NICs. Both are plugged.
>> 
>> The MAC addresses are 00:1a:4a:18:01:52 for nic1 and 00:1a:4a:36:01:67 for 
>> nic2.
> 
> OK, those seem like two valid mac addresses so maybe something is wrong with 
> the vm devices.
> Could you please provide the output of:
> select type, device, address, is_managed, is_plugged, alias from vm_device 
> where vm_id in (select vm_guid from vm_static where vm_name='<vm_name>');
>  
>> 
>> Regards
>> 
>> Jan
> 
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