On Fri, 2022-02-18 at 13:17 +0800, Yoong S. Chow wrote: > I was trying to perform `pg_upgrade` from Postgresql-12 to Postgresql-13 > (after being advised that upgrading from Postgresql-12 to Postgresql-14 > is biting off much more than I could chew... ). That was bad advice. > The `pg_upgrade --check` went through OK. But the actual `pg_upgrade` > always get error at the step of Creating dump of database schemas for > `postgres` database. Buried in your logs I find free(): invalid pointer Perhaps you have found a PostgreSQL bug. Then it would be gread if you could provide a reproducer. But perhaps there is an extension installed that causes that error? Does a plain pg_dumpall succeed? Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
