Public bug reported:

Tempest migration test cases are failing with no valid host. The
scheduler log shows that only the source host of the migration is
available but of course that is filtered out. But the dest host is also
up and usable instances scheduled to it before the failure and after the
failure. So it almost seems like in some scheduling attempts the
scheduler does not get the other node's HostState from scatter-gather.

So far I only see this in nova-next and found no similar failure in our
nova-live-migration and nova-live-migration-ceph jobs. So I feel it
might be related to threading mode of the scheduler.

Example run
https://zuul.opendev.org/t/openstack/build/ff95e0b2c14b4db7a1f7ebea806ce807/logs

relevant scheduler logs:

Sep 19 13:41:17.330482 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Starting to schedule for 
instances: ['0748dac2-0978-4bce-bd8b-ed2d0ac23467'] {{(pid=85267) 
select_destinations /opt/stack/nova/nova/scheduler/manager.py:187}}
Sep 19 13:41:17.330482 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] require_image_type_support 
request filter added required trait COMPUTE_IMAGE_TYPE_QCOW2 {{(pid=85267) 
require_image_type_support 
/opt/stack/nova/nova/scheduler/request_filter.py:192}}
Sep 19 13:41:17.331477 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'require_image_type_support' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] compute_status_filter 
request filter added forbidden trait COMPUTE_STATUS_DISABLED {{(pid=85267) 
compute_status_filter /opt/stack/nova/nova/scheduler/request_filter.py:253}}
Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'compute_status_filter' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'accelerators_filter' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'packed_virtqueue_filter' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: WARNING 
neutronclient.v2_0.client [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] The python binding code in 
neutronclient is deprecated in favor of OpenstackSDK, please use that as this 
will be removed in a future release.
Sep 19 13:41:17.410166 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'remote_managed_ports_filter' took 0.1 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
Sep 19 13:41:17.411895 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] 
ephemeral_encryption_filter skipped {{(pid=85267) ephemeral_encryption_filter 
/opt/stack/nova/nova/scheduler/request_filter.py:426}}
Sep 19 13:41:17.412575 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] virtio_sound_filter 
skipped {{(pid=85267) virtio_sound_filter 
/opt/stack/nova/nova/scheduler/request_filter.py:460}}
Sep 19 13:41:17.521509 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Acquiring lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:405}}
Sep 19 13:41:17.522829 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" acquired by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: waited 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:410}}
Sep 19 13:41:17.522829 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" "released" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: held 0.000s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:424}}
Sep 19 13:41:17.522829 np74dd92d2ee964 nova-scheduler[85267]: DEBUG nova.utils 
[None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] State of 
Process-1.cell_worker ThreadPoolExecutor when submitting a new task: 
max_workers: 5, workers: 4, idle workers: 4, queued work: 0, stats: 
<ExecutorStatistics object at 0x7584fc1bebc0 (failures=0, executed=4, 
runtime=0.11, cancelled=0)> {{(pid=85267) _log_executor_stats 
/opt/stack/nova/nova/utils.py:1235}}
Sep 19 13:41:17.540745 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Acquiring lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:405}}
Sep 19 13:41:17.541783 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" acquired by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: waited 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:410}}
Sep 19 13:41:17.543522 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" "released" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: held 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:424}}
Sep 19 13:41:17.547908 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Acquiring lock 
"('np74dd92d2ee964', 'np74dd92d2ee964')" by 
"nova.scheduler.host_manager.HostState.update.<locals>._locked_update" 
{{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:405}}
Sep 19 13:41:17.548612 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock "('np74dd92d2ee964', 
'np74dd92d2ee964')" acquired by 
"nova.scheduler.host_manager.HostState.update.<locals>._locked_update" :: 
waited 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:410}}
Sep 19 13:41:17.549849 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state from 
compute node: ComputeNode(cpu_allocation_ratio=4.0,cpu_info='{"arch": "x86_64", 
"model": "SandyBridge-IBRS", "vendor": "Intel", "topology": {"cells": 1, 
"sockets": 8, "cores": 1, "threads": 1}, "maxphysaddr": {"mode": "emulate", 
"bits": 46}, "features": ["de", "hypervisor", "rdtscp", "flush-l1d", "pat", 
"lm", "fxsr", "ibpb", "vme", "sse2", "xsaveopt", "tsc", "pae", "avx", "sse4.2", 
"mce", "xsave", "mmx", "acpi", "clflush", "cx16", "pse36", "sep", "pdpe1gb", 
"cx8", "lahf_lm", "ssse3", "msr", "pse", "pge", "nx", "ssbd", "syscall", "aes", 
"md-clear", "x2apic", "mtrr", "spec-ctrl", "mca", "sse4.1", "fpu", "pcid", 
"pni", "pclmuldq", "stibp", "popcnt", "apic", "tsc-deadline", "sse", 
"cmov"]}',created_at=2025-09-19T13:26:34Z,current_worklo
 
ad=0,deleted=False,deleted_at=None,disk_allocation_ratio=1.0,disk_available_least=51,free_disk_gb=65,free_ram_mb=6653,host='np74dd92d2ee964',host_ip=10.210.65.91,hypervisor_hostname='np74dd92d2ee964',hypervisor_type='QEMU',hypervisor_version=8002002,id=1,local_gb=69,local_gb_used=4,mapped=1,memory_mb=7933,memory_mb_used=1280,metrics='[]',numa_topology='{"nova_object.name":
 "NUMATopology", "nova_object.namespace": "nova", "nova_object.version": "1.2", 
"nova_object.data": {"cells": [{"nova_object.name": "NUMACell", 
"nova_object.namespace": "nova", "nova_object.version": "1.5", 
"nova_object.data": {"id": 0, "cpuset": [0, 1, 2, 3, 4, 5, 6, 7], "pcpuset": 
[0, 1, 2, 3, 4, 5, 6, 7], "memory": 7933, "cpu_usage": 0, "memory_usage": 0, 
"pinned_cpus": [], "siblings": [[6], [2], [5], [4], [1], [7], [0], [3]], 
"mempages": [{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": 
"nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 4, 
"total": 2031022, "used": 0, "reser
 ved": 0}, "nova_object.changes": ["reserved", "total", "size_kb", "used"]}, 
{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", 
"nova_object.version": "1.1", "nova_object.data": {"size_kb": 2048, "total": 0, 
"used": 0, "reserved": 0}, "nova_object.changes": ["reserved", "total", 
"size_kb", "used"]}, {"nova_object.name": "NUMAPagesTopology", 
"nova_object.namespace": "nova", "nova_object.version": "1.1", 
"nova_object.data": {"size_kb": 1048576, "total": 0, "used": 0, "reserved": 0}, 
"nova_object.changes": ["reserved", "total", "size_kb", "used"]}], 
"network_metadata": {"nova_object.name": "NetworkMetadata", 
"nova_object.namespace": "nova", "nova_object.version": "1.0", 
"nova_object.data": {"physnets": [], "tunneled": false}, "nova_object.changes": 
["tunneled", "physnets"]}, "socket": null}, "nova_object.changes": ["mempages", 
"memory", "cpuset", "pcpuset", "socket", "cpu_usage", "pinned_cpus", 
"network_metadata", "memory_usage", "siblings", "id"]}]}, "nova_objec
 t.changes": 
["cells"]}',pci_device_pools=PciDevicePoolList,ram_allocation_ratio=1.0,running_vms=4,service_id=3,stats={failed_builds='0',io_workload='2',num_instances='4',num_os_type_None='4',num_proj_4a10c0da93e24706b4efeb4fbe2a29a2='1',num_proj_5483dc209cd242e8b8fd355baedad102='1',num_proj_7c2b14b591ad42a79e83eee97bf99af1='1',num_proj_b3e4736ea6594943a2f4c4a42373e68b='1',num_task_None='4',num_vm_active='2',num_vm_building='2',uptime='
 13:40:44 up 44 min,  2 users,  load average: 5.48, 2.36, 1.44
Sep 19 13:41:17.549849 np74dd92d2ee964 nova-scheduler[85267]: 
'},supported_hv_specs=[HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec],updated_at=2025-09-19T13:41:01Z,uuid=5f9c1994-bac2-47ea-ab92-155b9293a0b4,vcpus=8,vcpus_used=4)
 {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:169}}
Sep 19 13:41:17.551821 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state with 
aggregates: [] {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:172}}
Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state with 
service dict: {'id': 3, 'uuid': 'e6236119-690e-41c2-8ac3-ae307bef64e4', 'host': 
'np74dd92d2ee964', 'binary': 'nova-compute', 'topic': 'compute', 
'report_count': 8, 'disabled': False, 'disabled_reason': None, 'last_seen_up': 
datetime.datetime(2025, 9, 19, 13, 40, 43, tzinfo=datetime.timezone.utc), 
'forced_down': False, 'version': 70, 'created_at': datetime.datetime(2025, 9, 
19, 13, 26, 33, tzinfo=datetime.timezone.utc), 'updated_at': 
datetime.datetime(2025, 9, 19, 13, 40, 43, tzinfo=datetime.timezone.utc), 
'deleted_at': None, 'deleted': False} {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:175}}
Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state with 
instances: ['edba8873-7aa7-4eb7-b8ba-2deaf74d3f81', 
'9a1d1b16-579a-4975-84f4-2adf91713f09', 'd8b418a5-3d7c-4088-9d68-f79bbd5b0590', 
'0748dac2-0978-4bce-bd8b-ed2d0ac23467'] {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:178}}
Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock "('np74dd92d2ee964', 
'np74dd92d2ee964')" "released" by 
"nova.scheduler.host_manager.HostState.update.<locals>._locked_update" :: held 
0.004s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:424}}
Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: INFO 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Host filter ignoring 
hosts: np74dd92d2ee964
Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Filtered [] {{(pid=85267) 
_get_sorted_hosts /opt/stack/nova/nova/scheduler/manager.py:720}}
Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] There are 0 hosts 
available but 1 instances requested to build. {{(pid=85267) 
_ensure_sufficient_hosts /opt/stack/nova/nova/scheduler/manager.py:539}}

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: scheduler

-- 
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/2125598

Title:
  nova-next migration scheduling failure due to only the source host is
  available

Status in OpenStack Compute (nova):
  New

Bug description:
  Tempest migration test cases are failing with no valid host. The
  scheduler log shows that only the source host of the migration is
  available but of course that is filtered out. But the dest host is
  also up and usable instances scheduled to it before the failure and
  after the failure. So it almost seems like in some scheduling attempts
  the scheduler does not get the other node's HostState from scatter-
  gather.

  So far I only see this in nova-next and found no similar failure in
  our nova-live-migration and nova-live-migration-ceph jobs. So I feel
  it might be related to threading mode of the scheduler.

  Example run
  
https://zuul.opendev.org/t/openstack/build/ff95e0b2c14b4db7a1f7ebea806ce807/logs

  relevant scheduler logs:

  Sep 19 13:41:17.330482 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Starting to schedule for 
instances: ['0748dac2-0978-4bce-bd8b-ed2d0ac23467'] {{(pid=85267) 
select_destinations /opt/stack/nova/nova/scheduler/manager.py:187}}
  Sep 19 13:41:17.330482 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] require_image_type_support 
request filter added required trait COMPUTE_IMAGE_TYPE_QCOW2 {{(pid=85267) 
require_image_type_support 
/opt/stack/nova/nova/scheduler/request_filter.py:192}}
  Sep 19 13:41:17.331477 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'require_image_type_support' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
  Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] compute_status_filter 
request filter added forbidden trait COMPUTE_STATUS_DISABLED {{(pid=85267) 
compute_status_filter /opt/stack/nova/nova/scheduler/request_filter.py:253}}
  Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'compute_status_filter' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
  Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'accelerators_filter' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
  Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'packed_virtqueue_filter' took 0.0 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
  Sep 19 13:41:17.335478 np74dd92d2ee964 nova-scheduler[85267]: WARNING 
neutronclient.v2_0.client [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] The python binding code in 
neutronclient is deprecated in favor of OpenstackSDK, please use that as this 
will be removed in a future release.
  Sep 19 13:41:17.410166 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Request filter 
'remote_managed_ports_filter' took 0.1 seconds {{(pid=85267) wrapper 
/opt/stack/nova/nova/scheduler/request_filter.py:46}}
  Sep 19 13:41:17.411895 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] 
ephemeral_encryption_filter skipped {{(pid=85267) ephemeral_encryption_filter 
/opt/stack/nova/nova/scheduler/request_filter.py:426}}
  Sep 19 13:41:17.412575 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.request_filter [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] virtio_sound_filter 
skipped {{(pid=85267) virtio_sound_filter 
/opt/stack/nova/nova/scheduler/request_filter.py:460}}
  Sep 19 13:41:17.521509 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Acquiring lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:405}}
  Sep 19 13:41:17.522829 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" acquired by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: waited 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:410}}
  Sep 19 13:41:17.522829 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" "released" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: held 0.000s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:424}}
  Sep 19 13:41:17.522829 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.utils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] State of 
Process-1.cell_worker ThreadPoolExecutor when submitting a new task: 
max_workers: 5, workers: 4, idle workers: 4, queued work: 0, stats: 
<ExecutorStatistics object at 0x7584fc1bebc0 (failures=0, executed=4, 
runtime=0.11, cancelled=0)> {{(pid=85267) _log_executor_stats 
/opt/stack/nova/nova/utils.py:1235}}
  Sep 19 13:41:17.540745 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Acquiring lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:405}}
  Sep 19 13:41:17.541783 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" acquired by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: waited 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:410}}
  Sep 19 13:41:17.543522 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock 
"7cce5cd9-0631-4d44-be9b-b70174353c2a" "released" by 
"nova.context.set_target_cell.<locals>.get_or_set_cached_cell_and_set_connections"
 :: held 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:424}}
  Sep 19 13:41:17.547908 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Acquiring lock 
"('np74dd92d2ee964', 'np74dd92d2ee964')" by 
"nova.scheduler.host_manager.HostState.update.<locals>._locked_update" 
{{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:405}}
  Sep 19 13:41:17.548612 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock "('np74dd92d2ee964', 
'np74dd92d2ee964')" acquired by 
"nova.scheduler.host_manager.HostState.update.<locals>._locked_update" :: 
waited 0.001s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:410}}
  Sep 19 13:41:17.549849 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state from 
compute node: ComputeNode(cpu_allocation_ratio=4.0,cpu_info='{"arch": "x86_64", 
"model": "SandyBridge-IBRS", "vendor": "Intel", "topology": {"cells": 1, 
"sockets": 8, "cores": 1, "threads": 1}, "maxphysaddr": {"mode": "emulate", 
"bits": 46}, "features": ["de", "hypervisor", "rdtscp", "flush-l1d", "pat", 
"lm", "fxsr", "ibpb", "vme", "sse2", "xsaveopt", "tsc", "pae", "avx", "sse4.2", 
"mce", "xsave", "mmx", "acpi", "clflush", "cx16", "pse36", "sep", "pdpe1gb", 
"cx8", "lahf_lm", "ssse3", "msr", "pse", "pge", "nx", "ssbd", "syscall", "aes", 
"md-clear", "x2apic", "mtrr", "spec-ctrl", "mca", "sse4.1", "fpu", "pcid", 
"pni", "pclmuldq", "stibp", "popcnt", "apic", "tsc-deadline", "sse", 
"cmov"]}',created_at=2025-09-19T13:26:34Z,current_work
 
load=0,deleted=False,deleted_at=None,disk_allocation_ratio=1.0,disk_available_least=51,free_disk_gb=65,free_ram_mb=6653,host='np74dd92d2ee964',host_ip=10.210.65.91,hypervisor_hostname='np74dd92d2ee964',hypervisor_type='QEMU',hypervisor_version=8002002,id=1,local_gb=69,local_gb_used=4,mapped=1,memory_mb=7933,memory_mb_used=1280,metrics='[]',numa_topology='{"nova_object.name":
 "NUMATopology", "nova_object.namespace": "nova", "nova_object.version": "1.2", 
"nova_object.data": {"cells": [{"nova_object.name": "NUMACell", 
"nova_object.namespace": "nova", "nova_object.version": "1.5", 
"nova_object.data": {"id": 0, "cpuset": [0, 1, 2, 3, 4, 5, 6, 7], "pcpuset": 
[0, 1, 2, 3, 4, 5, 6, 7], "memory": 7933, "cpu_usage": 0, "memory_usage": 0, 
"pinned_cpus": [], "siblings": [[6], [2], [5], [4], [1], [7], [0], [3]], 
"mempages": [{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": 
"nova", "nova_object.version": "1.1", "nova_object.data": {"size_kb": 4, 
"total": 2031022, "used": 0, "res
 erved": 0}, "nova_object.changes": ["reserved", "total", "size_kb", "used"]}, 
{"nova_object.name": "NUMAPagesTopology", "nova_object.namespace": "nova", 
"nova_object.version": "1.1", "nova_object.data": {"size_kb": 2048, "total": 0, 
"used": 0, "reserved": 0}, "nova_object.changes": ["reserved", "total", 
"size_kb", "used"]}, {"nova_object.name": "NUMAPagesTopology", 
"nova_object.namespace": "nova", "nova_object.version": "1.1", 
"nova_object.data": {"size_kb": 1048576, "total": 0, "used": 0, "reserved": 0}, 
"nova_object.changes": ["reserved", "total", "size_kb", "used"]}], 
"network_metadata": {"nova_object.name": "NetworkMetadata", 
"nova_object.namespace": "nova", "nova_object.version": "1.0", 
"nova_object.data": {"physnets": [], "tunneled": false}, "nova_object.changes": 
["tunneled", "physnets"]}, "socket": null}, "nova_object.changes": ["mempages", 
"memory", "cpuset", "pcpuset", "socket", "cpu_usage", "pinned_cpus", 
"network_metadata", "memory_usage", "siblings", "id"]}]}, "nova_obj
 ect.changes": 
["cells"]}',pci_device_pools=PciDevicePoolList,ram_allocation_ratio=1.0,running_vms=4,service_id=3,stats={failed_builds='0',io_workload='2',num_instances='4',num_os_type_None='4',num_proj_4a10c0da93e24706b4efeb4fbe2a29a2='1',num_proj_5483dc209cd242e8b8fd355baedad102='1',num_proj_7c2b14b591ad42a79e83eee97bf99af1='1',num_proj_b3e4736ea6594943a2f4c4a42373e68b='1',num_task_None='4',num_vm_active='2',num_vm_building='2',uptime='
 13:40:44 up 44 min,  2 users,  load average: 5.48, 2.36, 1.44
  Sep 19 13:41:17.549849 np74dd92d2ee964 nova-scheduler[85267]: 
'},supported_hv_specs=[HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec,HVSpec],updated_at=2025-09-19T13:41:01Z,uuid=5f9c1994-bac2-47ea-ab92-155b9293a0b4,vcpus=8,vcpus_used=4)
 {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:169}}
  Sep 19 13:41:17.551821 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state with 
aggregates: [] {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:172}}
  Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state with 
service dict: {'id': 3, 'uuid': 'e6236119-690e-41c2-8ac3-ae307bef64e4', 'host': 
'np74dd92d2ee964', 'binary': 'nova-compute', 'topic': 'compute', 
'report_count': 8, 'disabled': False, 'disabled_reason': None, 'last_seen_up': 
datetime.datetime(2025, 9, 19, 13, 40, 43, tzinfo=datetime.timezone.utc), 
'forced_down': False, 'version': 70, 'created_at': datetime.datetime(2025, 9, 
19, 13, 26, 33, tzinfo=datetime.timezone.utc), 'updated_at': 
datetime.datetime(2025, 9, 19, 13, 40, 43, tzinfo=datetime.timezone.utc), 
'deleted_at': None, 'deleted': False} {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:175}}
  Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Update host state with 
instances: ['edba8873-7aa7-4eb7-b8ba-2deaf74d3f81', 
'9a1d1b16-579a-4975-84f4-2adf91713f09', 'd8b418a5-3d7c-4088-9d68-f79bbd5b0590', 
'0748dac2-0978-4bce-bd8b-ed2d0ac23467'] {{(pid=85267) _locked_update 
/opt/stack/nova/nova/scheduler/host_manager.py:178}}
  Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
oslo_concurrency.lockutils [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Lock "('np74dd92d2ee964', 
'np74dd92d2ee964')" "released" by 
"nova.scheduler.host_manager.HostState.update.<locals>._locked_update" :: held 
0.004s {{(pid=85267) inner 
/opt/stack/data/venv/lib/python3.12/site-packages/oslo_concurrency/lockutils.py:424}}
  Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: INFO 
nova.scheduler.host_manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Host filter ignoring 
hosts: np74dd92d2ee964
  Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] Filtered [] {{(pid=85267) 
_get_sorted_hosts /opt/stack/nova/nova/scheduler/manager.py:720}}
  Sep 19 13:41:17.554190 np74dd92d2ee964 nova-scheduler[85267]: DEBUG 
nova.scheduler.manager [None req-331f43b6-ce5c-4b18-ad81-f15446535f91 
tempest-MigrationsAdminTest-39244249 
tempest-MigrationsAdminTest-39244249-project-member] There are 0 hosts 
available but 1 instances requested to build. {{(pid=85267) 
_ensure_sufficient_hosts /opt/stack/nova/nova/scheduler/manager.py:539}}

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