pqReadData() -- read() failed: errno=32

Hi,

cobalt 2.2.16
psql 7.2.3
DBI 1.32

I get this error, as in subject:-
pqReadData() -- read() failed: errno=32
and then followed by this
pqReadData() -- backend closed the channel unexpectedly.

I can find no reference to errno=32 in the mailing lists.

If i define and connect the database handle within the function that does my
processing, then i get no errors (but very slow processing due to connecting
on each event).

If i define and connect the database handle as a global variable outside of
the function, then i get that error on the first insert.

Any ideas ?

Craig