frigate: [EdgeTPU Support]: Frigate doesn't see Coral eTPU

Describe the problem you are having

The edgeTPU is only sometimes seen by Frigate even though HA sees it.

Version

Frigate (Full Access) Beta (0.11.1)

Frigate config file

mqtt:
  host: 192.168.178.82
  user: USERID
  password: PASSWORD

cameras:
  Dining: # <------ Name the camera
    ffmpeg:
      inputs:
        - path: rtsp://frigate:spyb0t@192.168.178.59:554/play1.sdp # <----- Update for your camera
          roles:
            - detect
            - rtmp
    rtmp:
      enabled: True # <-- RTMP should be disabled if your stream is not H264
    detect:
      width: 1280 # <---- update for your camera's resolution
      height: 720 # <---- update for your camera's resolution
      fps: 10
  Garage: # <------ Name the camera
    ffmpeg:
      inputs:
        - path: rtsp://frigate:spyb0t@192.168.178.36:554/play1.sdp # <----- Update for your camera
          roles:
            - detect
            - rtmp
    rtmp:
      enabled: True # <-- RTMP should be disabled if your stream is not H264
    detect:
      width: 1280 # <---- update for your camera's resolution
      height: 720 # <---- update for your camera's resolution
      fps: 10
  Front-door: # <------ Name the camera
    ffmpeg:
      inputs:
        - path: rtsp://frigate:spyb0t@192.168.178.28:554/play1.sdp # <----- Update for your camera
          roles:
            - detect
            - rtmp
    rtmp:
      enabled: True # <-- RTMP should be disabled if your stream is not H264
    detect:
      width: 1280 # <---- update for your camera's resolution
      height: 720 # <---- update for your camera's resolution
      fps: 10
  Garten-house: # <------ Name the camera
    ffmpeg:
      inputs:
        - path: rtsp://frigate:spyb0t@192.168.178.46:554/play1.sdp # <----- Update for your camera
          roles:
            - detect
            - rtmp
    rtmp:
      enabled: True # <-- RTMP should be disabled if your stream is not H264
    detect:
      width: 1280 # <---- update for your camera's resolution
      height: 720 # <---- update for your camera's resolution
      fps: 5
  Drive-way: # <------ Name the camera
    ffmpeg:
      inputs:
        - path: rtsp://frigate:spyb0t22!@192.168.178.55:554/h264  # <----- Update for your camera
          roles:
            - detect
            - rtmp
    rtmp:
      enabled: True # <-- RTMP should be disabled if your stream is not H264
    detect:
      width: 2560 # <---- update for your camera's resolution
      height: 1440 # <---- update for your camera's resolution
      fps: 5
  Patio: # <------ Name the camera.
    ffmpeg:
      inputs:
        - path: rtsp://frigate:spyb0t22!@192.168.178.74:554/h264  # <----- Update for your camera
          roles:
            - detect
            - rtmp
    rtmp:
      enabled: True # <-- RTMP should be disabled if your stream is not H264
    detect:
      width: 2560 # <---- update for your camera's resolution
      height: 1440 # <---- update for your camera's resolution
      fps: 5
      
detectors:
  coral:
    type: edgetpu
    device: usb
    num_threads: 3

docker-compose file or Docker CLI command

Not sure what this is?

Relevant log output

[s6-init] making user provided files available at /var/run/s6/etc...exited 0.
[s6-init] ensuring user provided files have correct perms...exited 0.
[fix-attrs.d] applying ownership & permissions fixes...
[fix-attrs.d] done.
[cont-init.d] executing container initialization scripts...
[cont-init.d] done.
[services.d] starting services
[services.d] done.
[2022-11-02 10:17:46] frigate.app                    INFO    : Starting Frigate (0.11.1-2eada21)
[2022-11-02 10:17:47] frigate.app                    INFO    : Creating directory: /tmp/cache
Starting migrations
[2022-11-02 10:17:47] peewee_migrate                 INFO    : Starting migrations
There is nothing to migrate
[2022-11-02 10:17:47] peewee_migrate                 INFO    : There is nothing to migrate
[2022-11-02 10:17:47] frigate.mqtt                   INFO    : Turning off detection for Dining via mqtt
[2022-11-02 10:17:47] frigate.app                    INFO    : Output process started: 212
[2022-11-02 10:17:47] detector.coral                 INFO    : Starting detection process: 211
[2022-11-02 10:17:47] frigate.app                    INFO    : Camera processor started for Dining: 215
[2022-11-02 10:17:47] frigate.app                    INFO    : Camera processor started for Garage: 219
[2022-11-02 10:17:47] ws4py                          INFO    : Using epoll
[2022-11-02 10:17:47] frigate.app                    INFO    : Camera processor started for Front-door: 222
[2022-11-02 10:17:47] frigate.app                    INFO    : Camera processor started for Garten-house: 224
[2022-11-02 10:17:47] frigate.app                    INFO    : Camera processor started for Drive-way: 225
[2022-11-02 10:17:47] frigate.app                    INFO    : Camera processor started for Patio: 226
[2022-11-02 10:17:47] frigate.app                    INFO    : Capture process started for Dining: 228
[2022-11-02 10:17:47] frigate.app                    INFO    : Capture process started for Garage: 229
[2022-11-02 10:17:47] frigate.app                    INFO    : Capture process started for Front-door: 233
[2022-11-02 10:17:47] frigate.app                    INFO    : Capture process started for Garten-house: 236
[2022-11-02 10:17:47] frigate.app                    INFO    : Capture process started for Drive-way: 238
[2022-11-02 10:17:47] frigate.app                    INFO    : Capture process started for Patio: 241
[2022-11-02 10:17:47] ws4py                          INFO    : Using epoll
[2022-11-02 10:17:47] frigate.edgetpu                INFO    : Attempting to load TPU as usb
Process detector:coral:
[2022-11-02 10:17:49] frigate.edgetpu                ERROR   : No EdgeTPU was detected. If you do not have a Coral device yet, you must configure CPU detectors.
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/tflite_runtime/interpreter.py", line 160, in load_delegate
    delegate = Delegate(library, options)
  File "/usr/lib/python3/dist-packages/tflite_runtime/interpreter.py", line 119, in __init__
    raise ValueError(capture.message)
ValueError
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/usr/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/opt/frigate/frigate/edgetpu.py", line 135, in run_detector
    object_detector = LocalObjectDetector(
  File "/opt/frigate/frigate/edgetpu.py", line 43, in __init__
    edge_tpu_delegate = load_delegate("libedgetpu.so.1.0", device_config)
  File "/usr/lib/python3/dist-packages/tflite_runtime/interpreter.py", line 162, in load_delegate
    raise ValueError('Failed to load delegate from {}\n{}'.format(
ValueError: Failed to load delegate from libedgetpu.so.1.0
[2022-11-02 10:17:50] frigate.video                  ERROR   : Garten-house: Unable to read frames from ffmpeg process.
[2022-11-02 10:17:50] frigate.video                  ERROR   : Garten-house: ffmpeg process is not running. exiting capture thread...

Operating system

HassOS

Install method

HassOS Addon

Coral version

USB

Any other information that may be helpful

protection mode on or off, doesn’t matter. I move the eTPU to a different port as well. No difference.

I was detected once.