Brendan Duddridge <brendan(at)clickspace(dot)com> writes:
> Shortly after posting this message, I received the following error also:
> PANIC: right sibling is not next child in
> "category_product__is_active_idx"
Last week's report of that same error was traced to running with
full_page_writes turned off; are you doing that? If so, don't.
http://archives.postgresql.org/pgsql-bugs/2006-04/msg00135.php
http://archives.postgresql.org/pgsql-announce/2006-04/msg00002.php
regards, tom lane