The following bug has been logged online:
Bug reference:      5450
Logged by:          gouthamj
Email address:      [email protected]
PostgreSQL version: 8.1.5
Operating system:   Window xp(sp2)
Description:        system lacked sufficient buffer space, or because a
queue was full, could not perform the operation
Details:
2010-04-20 00:53:29 LOG: unexpected EOF on client connection
2010-04-20 00:55:47 LOG: could not receive data from client: the system
lacked sufficient buffer space, or because a queue was full, could not
perform the operation on a socket.