Re: 8.3.0 backend segfaults

On Wed, Mar 12, 2008 at 12:44 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> "Alex Hunsaker" <badalex(at)gmail(dot)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.