Re: BUG #1208: Invalid page header

Dear Tom,
>
>
> "Robert E. Bruccoleri" <bruc@stone.congenomics.com> writes:
> >     Besides a no optimization compilation of 7.4.3, what else
> > would you recommend to explore this problem further? Thanks. --Bob
>
> I really haven't the foggiest where to look :-(  I don't actually
> believe that it's a spinlock problem; that would explain pages getting
> substituted for other pages, in whole or in part, but you showed at
> least one example where a page was just overwritten with garbage.
> That looks more like a memory-stomp problem (again, assuming that it's
> software) and so could be anywhere.

Does the memory pattern in the garbage page look familiar?

>
> Are you using any off-the-beaten-track code (contrib modules,
> non-btree indexes, non-mainstream data types)?  That stuff is less
> well debugged than the mainstream ...

No, it's all standard stuff (text, integers, floats, etc.).

Thanks. --Bob

+-----------------------------+------------------------------------+
| Robert E. Bruccoleri, Ph.D. | email: bruc@acm.org                |
| President, Congenair LLC    | URL:   http://www.congen.com/~bruc |
| P.O. Box 314                | Phone: 609 818 7251                |
| Pennington, NJ 08534        |                                    |
+-----------------------------+------------------------------------+