Re: 8.3.0 backend segfaults

On Wed, Mar 12, 2008 at 12:44 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> "Alex Hunsaker" <badalex@gmail.com> writes:
>
> > the mean time here is a new backtrace I just got (lord knows how... it
>  > seems to be as soon as I stop trying to make it crash and look away,
>  > thats when it does).
>
>  Not sure that you are clear on what's happening here, but the train of
>  events is something like
>         - you prepare a statement
>         - somebody modifies the schema of one of the tables used in the
>           statement
>         - you try to execute the statement, and updating the prepared
>           plan crashes
>
>  If you say "none of my stuff is changing any schemas", then I'd guess
>  that the triggering event is a background autovacuum, which forces
>  replan just like an intentional schema change would.  Does stopping
>  autovacuum make the problem go away?

Yep turning off autovacuum seems to have fixed it.  And once I
manually vacuum analyze workers; it blows up almost instantly.