Hi,While looking at [1] (included in 23315.log) there are other warnings as well.
I ran withvalgrind --leak-check=full --show-leak-kinds=all --gen-suppressions=all --suppressions=/path/to/postgresql/src/tools/valgrind.supp --time-stamp=yes --log-file=/tmp/valgrind/%p.log --trace-children=yes --track-origins=yes --read-var-info=yes initdb -D /tmp/pgsql --no-clean --no-sync --no-locale 2>&1 | tee /tmp/valgrind/initdb.log
[1] https://www.postgresql.org/message-id/cb062f4d-55b8-28be-b55f-2e593a3b3755%40redhat.com
Best regards, Jesper
initdb.tgz
Description: application/compressed-tar