"Matt Magoffin" <postgresql(dot)org(at)msqr(dot)us> writes:
> Hello, I'm using 8.3b4 and keep experiencing server crash when I execute
> various queries using XML functions.
Please see if it's better with 8.3RC1 plus this patch:
http://archives.postgresql.org/pgsql-committers/2008-01/msg00190.php
regards, tom lane