> AIX 4.3.2, xlc 3.6.6.
>
> Same regression test failures as 7.0.2.
> The nasty failures are triggers, misc, and plgpgsql which
> consistently give "pqReadData() -- backend closed the channel
> unexpectedly." at the same point. Also the sanity_check hangs
> during a VACUUM. Killing the backend was the only way to continue.
This should not be so. Your setup should definitely work without
regression failures. There is something wrong with your dynamic loading
of shared libs. Can you give more details, e.g. did you add optimization
which does not work yet ?
Andreas