postgreSQL 7.3.3 crashing on server with Itanium processor...

Hi All ,

H/W Configuration -     Dell 7150 Quad Itanium 1 ( 733 MHz) with 4G RAM

OS          - Red Hat 7.2
          - Postgresql ver 7.3.3 compiled from raw hide red hat rpms.


Problem : We were able to install postgreSQL 7.3.3 successfully on this enviornment , but server crashes randomly and
throwsfollowing error : 
*************************************************************************************
    LOG: server process (pid 11220) was terminated by signal 11
    LOG: terminating any other active server processes
    LOG: all server processes terminated; reinitializing shared memory and semaphores
    LOG: database system was interrupted at 2003-06-17 10:29:08 PDT
    LOG: checkpoint record is at 0/83CEC8
    LOG: redo record is at 0/83CEC8; undo record is at 0/0; shutdown TRUE
    LOG: next transaction id: 480; next oid: 16976
    LOG: database system was not properly shut down; automatic recovery in progress
    LOG: ReadRecord: record with zero length at 0/83CF10
    LOG: redo is not required
    LOG: database system is ready
    FATAL: Database "template0" is not currently accepting connections
    FATAL: IDENT authentication failed for user "zippool1"
    LOG: fast shutdown request
    LOG: shutting down
    LOG: database system is shut down
***********************************************************************************************

Any help would be highly appreciated !


Thanks in Advance !

Regards