I've tried to explore the issue a bit more using 9.2.1. Here's a trace of the build and dump tests ... tar zxf postgresql-9.2.1.tar.gz cd postgresql-9.2.1 uname -a AIX sx1190a 1 6 000A707AD400 powerpc AIX export OBJECT_MODE=64 export CFLAGS="-maix64" export LDFLAGS="-maix64 -Wl,-bbigtoc" export AR="ar -X64" ./configure --prefix=/opt/serviceMonitoring/postgres_9.2.1 --disable-thread-safety make cd contrib make cd .. make install cd contrib make install Check to see if a dumpall will work ... cd /tmp "/opt/serviceMonitoring/postgres_9.2.1/bin/pg_dumpall" --port 65432 --username "postgres" --schema-only --binary-upgrade -f pg_upgrade_dump_all.sql pg_dump: out of memory pg_dumpall: pg_dump failed on database "cahoot_monitoring", exiting ... try something less ambitious ... "/opt/serviceMonitoring/postgres_9.2.1/bin/pg_dump" --port 65432 --username "postgres" --verbose --schema-only --binary-upgrade -f dump.out template1 pg_dump: reading schemas pg_dump: reading user-defined tables pg_dump: reading extensions pg_dump: reading user-defined functions pg_dump: reading user-defined types pg_dump: reading procedural languages pg_dump: reading user-defined aggregate functions pg_dump: out of memory Has anyone else seen this problem on AIX or elsewhere ? Matthew Emails aren't always secure, and they may be intercepted or changed after they've been sent. Produban doesn't accept liability if this happens. If you think someone may have interfered with this email, please get in touch with the sender another way. This message and any documents attached to it do not create or change any contract unless otherwise specifically stated. Any views or opinions contained in this message are solely those of the author, and do not necessarily represent those of Produban, unless otherwise specifically stated and the sender is authorised to do so. Produban doesn't accept responsibility for damage caused by any viruses contained in this email or its attachments. Emails may be monitored. If you've received this email by mistake, please let the sender know at once that it's gone to the wrong person and then destroy it without copying, using, or telling anyone about its contents. Produban Servicios Informaticos Generales, S.L. (UK Branch). Registered office: Shenley Wood House, Chalkdell Drive, Shenley Wood, Milton Keynes MK5 6LA. Branch registration number BR 008486. Ref:[PDB#014] -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general