error insert

CREATE FUNCTION complex_in(opaque)
RETURNS complex
AS '/usr/local/pgsql/postgresql-6.4.2/src/tutorial/complex.so'
LANGUAGE 'c';
NOTICE: ProcedureCreate: type 'complex' is not yet defined
NOTICE: ProcedureCreate: type 'complex' is not yet defined
CREATE

CREATE FUNCTION complex_out(opaque)
RETURNS opaque
AS '/usr/local/pgsql/postgresql-6.4.2/src/tutorial/complex.so'
LANGUAGE 'c';
CREATE

CREATE TYPE complex (
internallength = 16,
input = complex_in,
output = complex_out
);
CREATE

CREATE TABLE test_complex (
a complex,
b complex
);
CREATE

INSERT INTO test_complex VALUES ('(1.0, 2.5)', '(4.2, 3.55 )');
assertion "u.hdr.e_phentsize == sizeof(Elf_Phdr)" failed: file
"/usr/src/libexec/rtld-elf/map_object.c", line 118
pqReadData() -- backend closed the channel unexpectedly.
This probably means the backend terminated abnormally before or while
processing the request.
We have lost the connection to the backend, so further processing is
impossible. Terminating.

in the root console:

assertion "u.hdr.e_phentsize == sizeof(Elf_Phdr)" failed: file
"/usr/src/libexec/rtld-elf/map_object.c", line 118

thank you for your help