On Mon, Jul 06, 2015 at 06:32:59AM -0600, Brook Milligan wrote: > I was hoping to run a read-only root. In that case, isn't tmpfs /dev > the right solution?
I don't think it is needed, but of course it also should work. But this is the easy way to track it down: remove the bogus /dev/null, turn root to readonly and then log the next shutdown sequence - you should see a write error somewhere. Martin