Hey @Zake_S ,
For kernel downgrade to 6.6:
sudo apt update
# Check available versions (optional)
apt list -a raspberrypi-kernel raspberrypi-bootloader
# Downgrade to 6.6.74
sudo apt install --reinstall \
raspberrypi-bootloader=1:6.6.74-1+rpt1 \
raspberrypi-kernel=1:6.6.74-1+rpt1
# Hold packages to prevent auto-upgrade
sudo apt-mark hold raspberrypi-bootloader raspberrypi-kernel
sudo reboot
We’re working on updating Pi support to 4.21 soon. For now, stick with hailo-all on Pi since it’s optimized and more stable. Frigate container uses 4.20, so hailo-all + 4.20 frigate docker should work fine (I wrote the hailo8l integration).
You don’t need DKMS - we maintain the hailo-all package and Pi drivers directly, and DKMS sometimes causes issues.
My recommendation:
- Ensure kernel 6.6 (most stable for Hailo)
- Purge all existing Hailo packages
- Install hailo-all
- Set up Frigate using my guide: Hailo official integration with Frigate