Potential bug -- script that drops postgres server

Postgres General:

First, I would like to thank you for your contribution with Postgres, a
wonderful database server that I use extensively.

Below is something that may be of interest -- a short, 7-statement script
that seems to drop my postgres server. Here's the following version
information for my system:

OS: Debian 3.0, Linux dev 2.2.19-reiserfs #1 SMP i686
Postgres: 7.2.1
Python: 2.1.1

Run the following inside of a blank database with plpython enabled:

CREATE TABLE "empcert" (
            "empcertid" integer,
            "employeeid" integer,
            "certid" integer,
            "empcertachieveddt" date,
            "createuser" integer,
            "createaccess" timestamp without time zone
);
 
CREATE TABLE "requirementswaiver" (
            "requirementswaiverid" integer,
            "requirementswaiveremployee" integer,
            "requirementswaiveragency" character varying(20),
            "requirementswaivergrade" character varying(20),
            "requirementswaivertype" text,
            "createuser" integer,
            "createaccess" timestamp without time zone
);
 
CREATE FUNCTION "log_insert" () RETURNS opaque AS '
    return None
' LANGUAGE 'plpython';
 
CREATE TRIGGER "empcert_log_insert_trigger" AFTER INSERT ON "empcert"  FOR
EACH ROW EXECUTE PROCEDURE "log_insert" ('empcert');
CREATE TRIGGER "requirementswaiver_log_insert_t" AFTER INSERT ON
"requirementswaiver"  FOR EACH ROW EXECUTE PROCEDURE "log_insert"
('requirementswaiver');
 
insert into empcert
(employeeid,certid,empcertachieveddt,createuser,createaccess) values
(2000000001,11,'2002-02-03',2000000001,now());
insert into requirementswaiver
(requirementswaiveremployee,requirementswaivertype,createuser,createaccess)
values (2000000001,'Training',2000000001,now());

You receive the following:

server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.

This behavior occurs on three out of four systems that we tested. The one
that worked was running an unstable version of debian linux. If you have any
information, feel free to let me know.

Thanks,

Lance Thomas