BUG #2534: ERROR: invalid memory alloc request size 4294967293

The following bug has been logged online:

Bug reference: 2534
Logged by: Sudhakar
Email address: sudakars(at)slashsupport(dot)com
PostgreSQL version: psql 7.4.2
Operating system: SUSE LINUX Enterprise Server 9 (i586)
Description: ERROR: invalid memory alloc request size 4294967293
Details:

Hi,

While executing pg_dump command, I am getting the following errors. Plz
help me to solve the problem.
pg_dump -O magellan >
magellan_154_db_postgres_10july2006_1149amist.sql
pg_dump: ERROR: invalid memory alloc request size 4294967293
pg_dump: SQL command to dump the contents of table "ctblankcall" failed:
PQendcopy() failed.
pg_dump: Error message from server: ERROR: invalid memory alloc request
size 4294967293
pg_dump: The command was: COPY public.ctblankcall (ctblcaseid, ctiplc,
ctacdlogin, ctcustomername, cttelephone, ctcallstatus, ctreason,
ctcreatedon, ctcreatedby, ctupdatedon, ctupdatedby, ctdeletestatus) TO
stdout;

Thanks In Advance
Regards
Sudakar Srinivasan