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
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