---
 eclass/tmpfiles.eclass | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/eclass/tmpfiles.eclass b/eclass/tmpfiles.eclass
index 9cf040de987f..018ea45d4182 100644
--- a/eclass/tmpfiles.eclass
+++ b/eclass/tmpfiles.eclass
@@ -110,7 +110,18 @@ tmpfiles_process() {
        [[ ${#} -gt 0 ]] || die "${FUNCNAME}: Must specify at least one 
filename"
 
        # Only process tmpfiles for the currently running system
-       [[ ${ROOT} == / ]] || return 0
+       if [[ ${ROOT} != / ]]; then
+               ewarn "Warning: tmpfiles.d not processed on ROOT != /. If you 
do not use"
+               ewarn "a service manager supporting tmpfiles.d, you need to run"
+               ewarn "the following command after booting (or chroot-ing with 
all"
+               ewarn "appropriate filesystems mounted) into the ROOT:"
+               ewarn
+               ewarn "  tmpfiles --create"
+               ewarn
+               ewarn "Failure to do so may result in missing runtime 
directories"
+               ewarn "and failures to run programs or start services."
+               return
+       fi
 
        if type systemd-tmpfiles &> /dev/null; then
                systemd-tmpfiles --create "$@"
-- 
2.13.0.rc1


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