exit status 26 - Mailing list pgsql-general

Can someone tell me what a postmaster process exiting with status = 26
means?  FWIW, I'm doing a COPY table FROM stdin with about 14 million
records to trigger this.

Thanks,
-Dan
--
Man is a rational animal who always loses his temper when he is called
upon to act in accordance with the dictates of reason.
                -- Oscar Wilde