Mike Broers <mbroers(at)gmail(dot)com> writes:
> I will do my best to provide a reproducible test case. Is there any more
> information I can supply in the meantime that would help?
Well ... just to clarify, are you suffering any crashes in your database?
Because really the "fixing incomplete split" code shouldn't get entered
at all unless a previous index page split had failed partway through.
regards, tom lane