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.VmDyn
>> amic@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.CreateBrokerVDSCo
>> mmand]
>>         (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.CreateBrokerVDSCo
>> mmand]
>>         (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.CreateBrokerVDSCo
>> mmand]
>>         (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.CreateBrokerVDSCo
>> mmand]
>>         (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.LibvirtVmXmlB
>> uilder.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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