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Any ideas? > This is indeed weird: ${WORKDIR}/mnt/rootfs is only mounted by rootfs_install_sstate_prepare in vanilla isar, and that happens under isar.lock - close to impossible to have a race here. But did you check in your recipes on top (assuming the issue is not reproducible for you with vanilla isar alone) that there is no other usage of ${WORKDIR}/mnt/rootfs, possibly unlocked then? Jan -- Siemens AG, Technology Linux Expert Center