"Oliver Elphick" <olly(at)lfix(dot)co(dot)uk> writes:
> As far as I recall, the only error message he has listed so far is from
> psql, which merely records the unlink failure at the end of the vacuum.
> Everything else looks remarkably like the vc_abort bug.
But the vc_abort problem didn't cause a backend coredump --- it just
reported an error and failed to complete the vacuum, no?
regards, tom lane