Justin Pasher <justinp@newmediagateway.com> writes:
> Richard Huxton wrote:
>> Segmentation fault - probably a bug or bad RAM.
> It's a relatively new machine, but that's obviously a possibility with
> any hardware. I haven't seen any other programs experiencing problems on
> the box, but the Postgres daemon is the one that is primarily utilized,
> so it's a little biased toward that.
I agree that the behavior seems a bit too specific to be a hardware
issue.
Can you get a stack trace from the crash? You might need to restart the
postmaster under "ulimit -c unlimited" to get a core dump from the
crashing autovacuum process.
regards, tom lane