problem installing postgresql

Hello,

After digging a lot, i discover that the initdb fail to do his job:

$ initdb -U postgres -D /usr/share/postgresql/data2 -W -E LATIN1 -d
Running in debug mode.

initdb: internal variables:
PGDATA=/usr/share/postgresql/data2
datadir=/usr/share/postgresql
PGPATH=/usr/bin
ENCODING=LATIN1
ENCODINGID=8
POSTGRES_SUPERUSERNAME=postgres
POSTGRES_BKI=/usr/share/postgresql/postgres.bki
POSTGRES_DESCR=/usr/share/postgresql/postgres.description
POSTGRESQL_CONF_SAMPLE=/usr/share/postgresql/postgresql.conf.sample
PG_HBA_SAMPLE=/usr/share/postgresql/pg_hba.conf.sample
PG_IDENT_SAMPLE=/usr/share/postgresql/pg_ident.conf.sample
The files belonging to this database system will be owned by user "jeff".
This user must also own the server process.

The database cluster will be initialized with locale C.

fixing permissions on existing directory /usr/share/postgresql/data2... ok
creating directory /usr/share/postgresql/data2/base... ok
creating directory /usr/share/postgresql/data2/global... ok
creating directory /usr/share/postgresql/data2/pg_xlog... ok
creating directory /usr/share/postgresql/data2/pg_clog... ok
selecting default max_connections... Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
10
selecting default shared_buffers... Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
Signal 12
50
creating configuration files... ok
creating template1 database in /usr/share/postgresql/data2/base/1...
DEBUG: invoking IpcMemoryCreate(size=1081344)
Signal 12

initdb: failed

Anyone as an idea?