Hi Nick, Thanks for your clarification regarding the bug. However, I've tried both V1.12 and V1.18 running in Operating Mode on ctrlX Core physical device and still received the error: AVC apparmor="DENIED" operation="open" profile="snap.dev-sdk-py-datalayer.client" name="/sys/devices/platform/amba_pl@0/a0020000.ecm-ip-core/uio/uio0/name" pid=4117 comm="python3" requested_mask="r" denied_mask="r" fsuid=0 ouid=0 Four your reference, I also attach hereby the yaml file to build the snap application: name: dev-sdk-py-datalayer version: 2.4.0 summary: Data Layer client sample written in Python for ctrlX. title: dev-sdk-py-datalayer description: | The sample demonstrates how to read values from ctrlX Data Layer tree and write out the values to console. base: core20 confinement: strict grade: stable apps: client: command: bin/main.py plugs: - network - datalayer daemon: simple passthrough: restart-condition: always restart-delay: 10s parts: client: plugin: python source: . stage-packages: - libzmq5 - ctrlx-datalayer plugs: datalayer: interface: content content: datalayer target: $SNAP_DATA/.datalayer
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