BUG #1678: pw_shadow BUS ERROR

The following bug has been logged online:

Bug reference: 1678
Logged by: Haluk GUNCER
Email address: halukguncer(at)hotmail(dot)com
PostgreSQL version: 7.4 to 8.0.3
Operating system: HP-UX B.11.11
Description: pw_shadow BUS ERROR
Details:

the system is a high end system used in a major project in TURKEY. HP guys
could not figure it out.

Version 7.3.10 works fine.
version 7.4.8 ,8.0.0 and 8.0.3 never starts.

$ /usr/local/pgsql/bin/initdb -D /usr/local/pgsql/data

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 C.

fixing permissions on existing directory /usr/local/pgsql/data ... 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_xlog/archive_status ... ok
creating directory /usr/local/pgsql/data/pg_clog ... ok
creating directory /usr/local/pgsql/data/pg_subtrans ... ok
creating directory /usr/local/pgsql/data/base ... ok
creating directory /usr/local/pgsql/data/base/1 ... ok
creating directory /usr/local/pgsql/data/pg_tblspc ... ok
selecting default max_connections ... 100
selecting default shared_buffers ... 1000
creating configuration files ... ok
creating template1 database in /usr/local/pgsql/data/base/1 ... ok
initializing pg_shadow ... sh: 2419 Bus error(coredump)
child process exited with exit code 138
initdb: removing contents of data directory "/usr/local/pgsql/data"

*************************************

After BUS ERROR semafore remains.
have to be removed with "ipcrm".

/home/postgres$ipcs -a | grep post
m 61447 0x00000001 --rw------- postgres dba postgres dba
0 10403840 2419 2419 18:14:36 no-entry 18:14:36
s 331802 0x00000002 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36
s 442395 0x00000003 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36
s 401436 0x00000004 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36
s 372765 0x00000005 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36
s 352286 0x00000006 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36
s 352287 0x00000007 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36
s 352288 0x00000008 --ra------- postgres dba postgres dba
1
7 18:14:36 18:14:36