"Tena Sakai" <tsakai@gallo.ucsf.edu> writes:
> I have a weired situation. Out of 17 tables which
> comprise a database, one of them refuses to talk to
> me. When I issue:
> select * from marker;
> it hangs.
Some other session holding an exclusive lock on the table, perhaps?
Have you looked into pg_locks for matches to that table?
regards, tom lane