No EdgeTPU was detected.

[fisch55]

Describe the problem you are having

The Coral PCI is no longer recognized. Frigate crash right after the start. Has always worked so far.

Version

Figate 0.15.0-cea210d

Frigate config file

environment_vars:
  LIBVA_DRIVER_NAME: iHD
mqtt:
  host: 192.168.178.138
  user: xxx
  password: xxxxx

detectors:
  coral:
    type: edgetpu
    device: pci

docker-compose file or Docker CLI command

------

Relevant Frigate log output

2025-05-04 17:43:20.740735836  [INFO] Preparing Frigate...
2025-05-04 17:43:20.943612205  [INFO] Starting Frigate...
2025-05-04 17:43:25.924174752  [2025-05-04 19:43:25] frigate.util.config            INFO    : Checking if frigate config needs migration...
2025-05-04 17:43:26.001284592  [2025-05-04 19:43:25] frigate.util.config            INFO    : frigate config does not need migration...
2025-05-04 17:43:26.364986631  [2025-05-04 19:43:26] frigate.util.services          INFO    : Automatically detected vaapi hwaccel for video decoding
2025-05-04 17:43:26.417287814  [2025-05-04 19:43:26] frigate.app                    INFO    : Starting Frigate (0.15.0-cea210d)
2025-05-04 17:43:26.424515206  [2025-05-04 19:43:26] frigate.app                    INFO    : Creating directory: /tmp/cache
2025-05-04 17:43:26.442892394  [2025-05-04 19:43:26] peewee_migrate.logs            INFO    : Starting migrations
2025-05-04 17:43:26.458097341  [2025-05-04 19:43:26] peewee_migrate.logs            INFO    : There is nothing to migrate
2025-05-04 17:43:26.465102915  [2025-05-04 19:43:26] frigate.app                    INFO    : Recording process started: 417
2025-05-04 17:43:26.466947943  [2025-05-04 19:43:26] frigate.app                    INFO    : Review process started: 422
2025-05-04 17:43:26.473130890  [2025-05-04 19:43:26] frigate.app                    INFO    : go2rtc process pid: 97
2025-05-04 17:43:26.502181525  [2025-05-04 19:43:26] detector.coral                 INFO    : Starting detection process: 433
2025-05-04 17:43:26.502188015  [2025-05-04 19:43:26] frigate.detectors.plugins.edgetpu_tfl INFO    : Attempting to load TPU as pci
2025-05-04 17:43:26.508733094  [2025-05-04 19:43:26] frigate.app                    INFO    : Embedding process started: 435
2025-05-04 17:43:26.508742752  [2025-05-04 19:43:26] frigate.detectors.plugins.edgetpu_tfl ERROR   : No EdgeTPU was detected. If you do not have a Coral device yet, you must configure CPU detectors.
2025-05-04 17:43:26.514181228  Process detector:coral:
2025-05-04 17:43:26.514186575  Traceback (most recent call last):
2025-05-04 17:43:26.514190104    File "/usr/lib/python3/dist-packages/tflite_runtime/interpreter.py", line 160, in load_delegate
2025-05-04 17:43:26.514192716      delegate = Delegate(library, options)
2025-05-04 17:43:26.514195715    File "/usr/lib/python3/dist-packages/tflite_runtime/interpreter.py", line 119, in __init__
2025-05-04 17:43:26.514216985      raise ValueError(capture.message)
2025-05-04 17:43:26.514219481  ValueError
2025-05-04 19:43:29.017874  2025-05-04 17:43:26.514221772
2025-05-04 17:43:26.514225644  During handling of the above exception, another exception occurred:
2025-05-04 19:43:29.017901  2025-05-04 17:43:26.514227688
2025-05-04 17:43:26.514229804  Traceback (most recent call last):
2025-05-04 17:43:26.514232852    File "/usr/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
2025-05-04 17:43:26.514261710      self.run()
2025-05-04 17:43:26.514264702    File "/opt/frigate/frigate/util/process.py", line 41, in run_wrapper
2025-05-04 17:43:26.514267305      return run(*args, **kwargs)
2025-05-04 17:43:26.514270098    File "/usr/lib/python3.9/multiprocessing/process.py", line 108, in run
2025-05-04 17:43:26.514299216      self._target(*self._args, **self._kwargs)
2025-05-04 17:43:26.514302023    File "/opt/frigate/frigate/object_detection.py", line 121, in run_detector
2025-05-04 17:43:26.514305021      object_detector = LocalObjectDetector(detector_config=detector_config)
2025-05-04 17:43:26.514307703    File "/opt/frigate/frigate/object_detection.py", line 68, in __init__
2025-05-04 17:43:26.514310030      self.detect_api = create_detector(detector_config)
2025-05-04 17:43:26.514312632    File "/opt/frigate/frigate/detectors/__init__.py", line 18, in create_detector
2025-05-04 17:43:26.514314863      return api(detector_config)
2025-05-04 17:43:26.514335983    File "/opt/frigate/frigate/detectors/plugins/edgetpu_tfl.py", line 41, in __init__
2025-05-04 17:43:26.514338867      edge_tpu_delegate = load_delegate("libedgetpu.so.1.0", device_config)
2025-05-04 17:43:26.514341714    File "/usr/lib/python3/dist-packages/tflite_runtime/interpreter.py", line 162, in load_delegate
2025-05-04 17:43:26.514344496      raise ValueError('Failed to load delegate from {}\n{}'.format(
2025-05-04 17:43:26.514347099  ValueError: Failed to load delegate from libedgetpu.so.1.0
2025-05-04 19:43:29.017937  2025-05-04 17:43:26.514348891
2025-05-04 17:43:26.539284273  [2025-05-04 19:43:26] frigate.app                    INFO    : Output process started: 458
2025-05-04 17:43:26.624096207  [2025-05-04 19:43:26] frigate.app                    INFO    : Camera processor started for back: 482
2025-05-04 17:43:26.624101577  [2025-05-04 19:43:26] frigate.app                    INFO    : Camera processor started for front: 489
2025-05-04 17:43:26.644837773  [2025-05-04 19:43:26] frigate.app                    INFO    : Camera processor started for doorbell: 503
2025-05-04 17:43:26.659303253  [2025-05-04 19:43:26] frigate.app                    INFO    : Capture process started for back: 504
2025-05-04 17:43:26.693867754  [2025-05-04 19:43:26] frigate.app                    INFO    : Capture process started for front: 515
2025-05-04 17:43:26.718603581  [2025-05-04 19:43:26] frigate.app                    INFO    : Capture process started for doorbell: 525
2025-05-04 17:43:28.017135112  [2025-05-04 19:43:28] frigate.api.fastapi_app        INFO    : Starting FastAPI app
2025-05-04 17:43:28.333393956  [2025-05-04 19:43:28] frigate.api.fastapi_app        INFO    : FastAPI started

Install method

Home Assistant Add-on

Object Detector

Coral

Screenshots of the Frigate UI's System metrics pages

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Any other information that may be helpful

HomeAssistant Information

Core2025.4.4
Supervisor2025.04.1
Operating System15.2
Frontend20250411.0 ⸱ legacy

Hardware Generic x86-64

[NickM-27]

you'll need to look at the home assistant OS devices list to see if it is still detected

[fisch55]

pci device found like this:

do i have to search for coral?

[fisch55]

[fisch55]

Anyone an Idea?