Consider this failure: https://valkyrie.yoctoproject.org/#/builders/7/builds/121 NOTE: Starting bitbake server... ERROR: Found duplicated BBFILE_COLLECTIONS 'meta-mingw', check bblayers.conf or layer.conf to fix it. ERROR: Parse failure with the specified layer added, exiting. where bblayers.conf has: BBLAYERS ?= " \ /srv/pokybuild/yocto-worker/meta-mingw/build/meta \ /srv/pokybuild/yocto-worker/meta-mingw/build/meta-poky \ /srv/pokybuild/yocto-worker/meta-mingw/build/meta-yocto-bsp \ /home/pokybuild/yocto-worker/meta-mingw/build/meta-mingw \ " and /home/pokybuild is a symlink to /srv/pokybuild We need to fix bitbake so an add-layers on /srv/pokybuild/yocto-worker/meta-mingw/build/meta-mingw doesn't fail