Hi,

we had a failure reported in CQ for change: https://gerrit.ovirt.org/#/c/89338/ - Bump 1.5.2-1.

I don't think the failure is related to the change.

it seems to be an issue with mom failing to start.

Link and headline of suspected patches:

https://gerrit.ovirt.org/#/c/89338/ - Bump 1.5.2-1

Link to Job:

http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/6512/

Link to all logs:

http://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/6512/artifact/exported-artifacts/basic-suit-master-el7/test_logs/basic-suite-master/post-002_bootstrap.py/

(Relevant) error snippet from the log:

<error>

engine:

018-03-23 07:12:33,435-04 ERROR [org.ovirt.engine.core.bll.host.HostUpgradeManager] (EE-ManagedThreadFactory-commandCoordinator-Thread-1) [7a4f81e6-6ae6-4444-ace6-de757e78f41e] Failed to run check-update of host 'lago-basic-suite-master-
host-0'.
2018-03-23 07:12:33,436-04 ERROR [org.ovirt.engine.core.bll.hostdeploy.HostUpdatesChecker] (EE-ManagedThreadFactory-commandCoordinator-Thread-1) [7a4f81e6-6ae6-4444-ace6-de757e78f41e] Failed to check if updates are available for host 'lag
o-basic-suite-master-host-0' with error message 'Failed to run check-update of host 'lago-basic-suite-master-host-0'.'
2018-03-23 07:12:33,441-04 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-commandCoordinator-Thread-1) [7a4f81e6-6ae6-4444-ace6-de757e78f41e] EVENT_ID: HOST_AVAILABLE_UPDATES_FAILED(8
39), Failed to check for available updates on host lago-basic-suite-master-host-0 with message 'Failed to run check-update of host 'lago-basic-suite-master-host-0'.'.
2018-03-23 07:12:33,566-04 DEBUG [org.ovirt.engine.core.vdsbroker.vdsbroker.GetAllVmStatsVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-11) [] START, GetAllVmStatsVDSCommand(HostName = lago-basic-suite-master-host-0, VdsIdVDS
CommandParametersBase:{hostId='dc339bcf-b769-41f6-8252-c61fffd56b17'}), log id: 4eb92a5a
2018-03-23 07:12:33,567-04 DEBUG [org.ovirt.vdsm.jsonrpc.client.reactors.stomp.impl.Message] (EE-ManagedThreadFactory-engineScheduled-Thread-11) [] SEND
destination:jms.topic.vdsm_requests
reply-to:jms.topic.vdsm_responses
content-length:103

host-0:

vdsm log show: momStatus': 'inactive'

Mom log:

2018-03-23 07:09:48,849 - mom - INFO - MOM starting
2018-03-23 07:09:48,864 - mom.HostMonitor - INFO - Host Monitor starting
2018-03-23 07:09:48,867 - mom - INFO - hypervisor interface vdsmjsonrpcclient
2018-03-23 07:09:48,983 - mom - ERROR - Failed to initialize MOM threads
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/mom/__init__.py", line 29, in run
    hypervisor_iface = self.get_hypervisor_interface()
  File "/usr/lib/python2.7/site-packages/mom/__init__.py", line 217, in get_hypervisor_interface
    return module.instance(self.config)
  File "/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/vdsmjsonrpcclientInterface.py", line 96, in instance
    return JsonRpcVdsmClientInterface()
  File "/usr/lib/python2.7/site-packages/mom/HypervisorInterfaces/vdsmjsonrpcclientInterface.py", line 31, in __init__
    self._vdsm_api = client.connect(host="localhost")
  File "/usr/lib/python2.7/site-packages/vdsm/client.py", line 139, in connect
    raise ConnectionError(host, port, use_tls, timeout, e)
ConnectionError: Connection to localhost:54321 with use_tls=True, timeout=60 failed: [Errno 111] Connection refused
2018-03-23 07:09:54,475 - mom - INFO - MOM starting
2018-03-23 07:09:54,499 - mom.HostMonitor - INFO - Host Monitor starting
2018-03-23 07:09:54,500 - mom - INFO - hypervisor interface vdsmjsonrpcclient
2018-03-23 07:09:54,725 - mom.HostMonitor - INFO - HostMonitor is ready
2018-03-23 07:09:54,813 - mom.GuestManager - INFO - Guest Manager starting: multi-thread
2018-03-23 07:09:54,819 - mom.Policy - INFO - Loaded policy '00-defines'
2018-03-23 07:09:54,820 - mom.Policy - INFO - Loaded policy '01-parameters'
2018-03-23 07:09:54,841 - mom.Policy - INFO - Loaded policy '02-balloon'
2018-03-23 07:09:54,871 - mom.Policy - INFO - Loaded policy '03-ksm'
2018-03-23 07:09:54,909 - mom.Policy - INFO - Loaded policy '04-cputune'
2018-03-23 07:09:54,951 - mom.Policy - INFO - Loaded policy '05-iotune'
2018-03-23 07:09:54,956 - mom.PolicyEngine - INFO - Policy Engine starting
2018-03-23 07:09:54,957 - mom.RPCServer - INFO - Using unix socket /var/run/vdsm/mom-vdsm.sock
2018-03-23 07:09:54,957 - mom.RPCServer - INFO - RPC Server starting
2018-03-23 07:10:10,020 - mom.Controllers.KSM - INFO - Updating KSM configuration: pages_to_scan:0 merge_across_nodes:1 run:0 sleep_millisecs:0
lago-basic-suite-master-host-0/_var_log/vdsm/mom.log (END)

</error>

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