BUG #2083: initdb fails with: child process was terminated by signal 11

The following bug has been logged online:

Bug reference: 2083
Logged by: Wilfried Weiss
Email address: Wilfried(dot)Weiss(at)Pilkington(dot)de
PostgreSQL version: 8.1.0
Operating system: AIX 5.1
Description: initdb fails with: child process was terminated by
signal 11
Details:

make of PostgreSQL completed without problems:

Configure parms:
./configure --enable-odbc --enable-syslog
--with-includes=/opt/freeware/include --with-libraries=/opt/freew
are/lib --with-tclconfig=/opt/freeware/lib

C-Compiler IBM C for AIX Version 6.0

This worked well until PostgreSQL 8.0.3.

initdb has the following output:

$ initdb -d
Running in debug mode.
VERSION=8.1.0
PGDATA=/database/data
share_path=/usr/local/pgsql/share
PGPATH=/usr/local/pgsql/bin
POSTGRES_SUPERUSERNAME=postgres
POSTGRES_BKI=/usr/local/pgsql/share/postgres.bki
POSTGRES_DESCR=/usr/local/pgsql/share/postgres.description
POSTGRESQL_CONF_SAMPLE=/usr/local/pgsql/share/postgresql.conf.sample
PG_HBA_SAMPLE=/usr/local/pgsql/share/pg_hba.conf.sample
PG_IDENT_SAMPLE=/usr/local/pgsql/share/pg_ident.conf.sample
The files belonging to this database system will be owned by user
"postgres".
This user must also own the server process.

The database cluster will be initialized with locale en_US.
The default database encoding has accordingly been set to LATIN1.

fixing permissions on existing directory /database/data ... ok
creating directory /database/data/global ... ok
creating directory /database/data/pg_xlog ... ok
creating directory /database/data/pg_xlog/archive_status ... ok
creating directory /database/data/pg_clog ... ok
creating directory /database/data/pg_subtrans ... ok
creating directory /database/data/pg_twophase ... ok
creating directory /database/data/pg_multixact/members ... ok
creating directory /database/data/pg_multixact/offsets ... ok
creating directory /database/data/base ... ok
creating directory /database/data/base/1 ... ok
creating directory /database/data/pg_tblspc ... ok
selecting default max_connections ... 10
selecting default shared_buffers ... 50
creating configuration files ... ok
creating template1 database in /database/data/base/1 ... DEBUG: invoking
IpcMemoryCreate(size=1335296)
LOG: database system was shut down at 2005-12-01 08:40:47 NFT
LOG: checkpoint record is at 0/20
LOG: redo record is at 0/20; undo record is at 0/20; shutdown TRUE
LOG: next transaction ID: 3; next OID: 10000
LOG: next MultiXactId: 1; next MultiXactOffset: 0
LOG: database system is ready
child process was terminated by signal 11
initdb: removing contents of data directory "/database/data"
$