Christopher Cashell <topher-pgsql(at)zyp(dot)org> writes:
> 28424 postgres 18 0 16804 3044 15m D 0.0 1.6 0:06.72 postmaster
> Note that it does have a process status of 'D', or uninterruptible
> sleep. That would explain the unkillable part, though I'm curious how
> it ended up there.
Perhaps I'm just of an older generation, but I always thought 'D' meant
"disk I/O wait". Which definitely is uninterruptible on most Unixen.
regards, tom lane