"Ed L." <pgsql(at)bluepolka(dot)net> writes:
>> Correction. Here's the line:
>> "@" "" "" "agent_group"
> It is the first line in the pg_auth file.
BTW, there seems to be some other contributing factor here besides
the weird username, because I don't see any looping when I try
CREATE USER "@". What's your platform exactly, and what type of
filesystem is $PGDATA on?
regards, tom lane