Apolonio Blog

So it was incompatible code.

Anyway I got my M.2 Coral working. The inference on that thing is low. Down to 6.7ms. The USB one is hanging around at 28.4ms.

Here is how I did it

First I enabled the google-coral-dkms, installed it

sudo dnf copr enable kylegospo/google-coral-dkms
sudo dnf install gasket-dkms

Then I modified the code in gasket_core.c which had some incompatibilities with the kernel I was using.

The issue was this https://github.com/KyleGospo/gasket-dkms/issues/7

So in the file gasket_core.c I removed this

-#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 4, 0)
-    internal->class = class_create(driver_desc->module, driver_desc->name);
-#else
-    inte

And replaced it with

+       internal->class = class_create(driver_desc->name);

Then I did

dkms autoinstall
modprobe apex
modprobe gasket

And it worked, there was a /dev/apex device

I then enabled it in the config.yml for frigate itself

detectors:
  coral_usb:
    type: edgetpu
    device: usb
  coral_pci:
    type: edgetpu
    device: pci

And enabled it in docker to pass through

    volumes:
      - /dev:/dev

Seems complicated, but figured it out.

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