message type 0x44 - Again

Sorry this is a continuation of previous by same subject, I did something
wrong trying to make it a followup.

>Re:
>$ pg_dump: message type 0x44 arrived from server while idle
>$ pg_dump: dumpClasses(): SQL command failed
>$pg_dump: Error message from server: server closed the connection unexpectedly
> This probably means the server terminated abnormally
> before or while processing the request.
>$ pg_dump: The command was: FETCH 100 FROM _pg_dump_cursor
>
>Not quite sure what it all means, DB seems to be functioning OK but I am
>not convinced I am dumping all the I am expecting to.

------------------------------------------------------------------------------------------------------
I have isolated the table that is giving me the problem in pg_dump

I am now getting from this error from the command pg_dump -o -a -t contact
ourdb

ERROR: MemoryContextAlloc: invalid request size 4294967293
pg_dump: ERROR: MemoryContextAlloc: invalid request size 4294967293
pg_dump: lost synchronization with server, resetting connection
pg_dump: SQL command to dump the contents of table "hiclientcontact"
failed: PQe
ndcopy() failed.
pg_dump: Error message from server: ERROR: MemoryContextAlloc: invalid request
size 4294967293
pg_dump: The command was: COPY "contact" WITH OIDS TO stdout;
[postgres(at)owen backup]$ DEBUG: pq_flush: send() failed: Broken pipe

and I get this with -d

DEBUG: server process (pid 6863) was terminated by signal 11
DEBUG: terminating any other active server processes
NOTICE: Message from PostgreSQL backend:
The Postmaster has informed me that some other backend
died abnormally and possibly corrupted shared memory.
I have rolled back the current transaction and am
going to terminate your database system connection and exit.
Please reconnect to the database system and repeat your query.
DEBUG: all server processes terminated; reinitializing shared memory and
semaph
ores
DEBUG: database system was interrupted at 2004-12-08 16:11:10 EST
DEBUG: checkpoint record is at 1/37C8267C
DEBUG: redo record is at 1/37C8267C; undo record is at 0/0; shutdown FALSE
DEBUG: next transaction id: 44282241; next oid: 11420991
DEBUG: database system was not properly shut down; automatic recovery in
progre
ss
pg_dump: message type 0x44 arrived from server while idle
pg_dump: dumpClasses(): SQL command failed
pg_dump: Error message from server: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
pg_dump: The command was: FETCH 100 FROM _pg_dump_cursor
[postgres(at)owen backup]$ DEBUG: redo starts at 1/37C826BC
DEBUG: ReadRecord: record with zero length at 1/37C95398
DEBUG: redo done at 1/37C95368
DEBUG: database system is ready

TIA

Neil