"Joshua D. Drake" <[EMAIL PROTECTED]> writes:
>>> Fail in what way. Hang, not connect, or get an error msg?

> Just verified with customer. Once the problem occurs the first time, the 
> customer will continually get the same error message for each subsequent 
> connection attempt:

> server sent data ("D" message) without prior row description ("T" message)

During the connection attempt?  I don't think libpq can report that
message until it tries to do a regular query (might be wrong though).
Is the client using some application that's going to issue a query
immediately on connecting?

It would be useful to turn on log_connections and log_statement (and
perhaps crank log_min_messages all the way up to DEBUG5) to see if we
can get anything in the postmaster log giving a hint what actually
happens here.  A TCP sniff of the connection attempt traffic would be
pretty useful too.

                        regards, tom lane

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TIP 2: Don't 'kill -9' the postmaster

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