BUG #5937: initdb: FATAL error: could not open relation with OID 2608

The following bug has been logged online:

Bug reference: 5937
Logged by: Etienne Robillard
Email address: erob(at)gthcfoundation(dot)org
PostgreSQL version: 8.4.7
Operating system: GNU/Linux 2.6.38 (Debian)
Description: initdb: FATAL error: could not open relation with OID
2608
Details:

Could not run initdb --no-locale -D $PGDATA as pgsql
user to setup the internal postgresql db:

Script started on Mon 21 Mar 2011 07:44:29 AM EDT
$ /usr/local/pgsql/bin/initdb --no-locale -D $PGDATA
The files belonging to this database system will be owned by user "pgsql".
This user must also own the server process.

The database cluster will be initialized with locale C.
The default database encoding has accordingly been set to SQL_ASCII.
The default text search configuration will be set to "english".

fixing permissions on existing directory /var/db/pgsql/data ... ok
creating subdirectories ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 28MB
creating configuration files ... ok
creating template1 database in /var/db/pgsql/data/base/1 ... ok
initializing pg_authid ... FATAL: could not open relation with OID 2608
STATEMENT: CREATE TRIGGER pg_sync_pg_database AFTER INSERT OR UPDATE OR
DELET

child process exited with exit code 1
initdb: removing contents of data directory "/var/db/pgsql/data"
$ exit

Script done on Mon 21 Mar 2011 07:44:52 AM EDT