Re: PostgreSQL hanging on new connections?

hubert depesz lubaczewski <depesz@depesz.com> writes:
> straced postmaster when the problem was happening, and I was opening new
> connections. strace looks like this:
> [ backend hangs on semop immediately after reading global/pg_database ]

It looks like something had exclusive lock on the database that new
connections wanted to connect to.  AFAICS the only action in 8.3 that
would do that would be a DROP DATABASE or RENAME DATABASE.  What was
that other session doing?

            regards, tom lane