On Thu, 2006-06-29 at 21:47 -0400, Tom Lane wrote:
> One easy thing that would be worth trying is to build with
> --enable-cassert and see if any Asserts get provoked during the

> A couple other things to try, given that you can provoke the failure
> fairly easily:
> . . .
> 1. In studying the code, it bothers me a bit that P_NEW is the same as
> InvalidBlockNumber.  The intended uses of P_NEW appear to be adequately
> . . .
> 2. I'm also eyeing this bit of code in hio.c:
> If someone else has just extended the relation, it's possible that this
> will allow a process to get to the page before the intended extender has
> . . . 

We tried all of these suggestions and still get the problem.  Nothing
interesting in the log file so I guess the Asserts did not fire.

We are going to try experimenting with different kernels now.  Unless
anyone has any other suggestions.


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