Comment 165 for bug 1073433

On 01/22/2014 05:51 PM, Steve Langasek wrote:
> On Wed, Jan 22, 2014 at 09:19:13AM -0000, Benny wrote:
>> Lennert of systemd refers to this bug on google+. He outlines a fix for
>> the simple case:
>
> The fix he outlines is not for this bug. It's not for a bug we have in
> upstart in Ubuntu at all; we already reliably ensure telinit u on upgrade of
> all of upstart's library dependencies, which are finite and accounted for.

Why shouldn't switching to an independent file system (tmpfs/initramfs)
and shutdown-init-process not help? That way you can kill all processes
without exceptions. You can even entirely unmount the old root, no need
for remounting it read-only anymore.