FYI, we noticed the below changes on https://github.com/pantoniou/linux-beagle-track-mainline.git bbb-overlays commit e695a453d022d5105e3b02cd79f3223eee4cad7f ("of: unittest: Unit-tests for target root overlays.") We found the following new message in kernel log. [ 2.675836] find_target_node_direct: target "/testcase-data/overlay-node/test-bus/test-unittest18" not under target_root "/testcase-data/overlay-node/test-bus/test-unittest19" [ 2.678738] __of_overlay_create: of_build_overlay_info() failed for tree@/testcase-data/overlay19 Thanks, Ying Huang