Craig Ringer <craig(at)postnewspapers(dot)com(dot)au> writes:
> While it's consistently crashing my Pg 9 on win7 32-bit, too, I haven't
> been able to get a backtrace yet. I thought it'd be trivial given the
> ease of reproducing the crash - but the process that's crashing isn't
> the backend running the query.
> It looks like it's one of the helpers like the stats collector, autovac,
> bgwriter, etc. I'm unsure which yet.
I'd bet on autovacuum. You might be able to reproduce the crash in the
foreground process by issuing a manual VACUUM or ANALYZE.
regards, tom lane