Re: What causes 'FATAL: invalid cache id: 30' in my postgresql log?

Evert Meulie <evert@witelcom.com> writes:
> Strange... I'm using the Gentoo-version of PostgreSQL 7.4.6 and since
> it's a fresh install of PostgreSQL, all components are of the same
> version...

But are you sure there wasn't a previous version of PG already on the
machine?  It sure looks to me like you have some code that's out of step
about the syscache numbers, and as I said the most likely theory for
that is an out-of-date plpgsql.so getting picked up from someplace.

            regards, tom lane