Can't not run initdb

Hi all.
My name: Tan Phat
My Email: tanphat99ct(at)yahoo(dot)com
Postgresql version : Postgresql-7.4.5

My problem:
I can't not run initdb
Please help me sovle this problem

$ initdb -D /usr/local/pgsql/data -W -E LATIN1
The files belonging to this database system will be
owned by user "staff2".
This user must also own the server process.

The database cluster will be initialized with locale
C.

creating directory /usr/local/pgsql/data... ok
creating directory /usr/local/pgsql/data/base... ok
creating directory /usr/local/pgsql/data/global... ok
creating directory /usr/local/pgsql/data/pg_xlog... ok
creating directory /usr/local/pgsql/data/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/local/pgsql/data/base/1... Signal 12

initdb: failed
initdb: removing data directory
"/usr/local/pgsql/data"

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