Thanks everyone for the suggestions so far.
Tom Lane wrote:
> The segfaults (sig11s) are a bit disturbing too --- what that probably
> indicates is someplace using malloc() and failing to test for failure,
> neither of which is a good thing. Did you by any chance get core dumps
> from those? A stack trace would be mighty useful.
>
Unfortunately, we do not have any core dumps from those. Is there
anything else I can provide to make tracing this easier? Could we use
the addresses mentioned in the segfault messages for anything useful?
Alex