Bug#840372: debootstrap: second-stage fails within systemd-nspawn: proc already mounted
On Tue, 17 Apr 2018, Hideki Yamane wrote:
> > So it looks like systemd-nspawn already took care of mounting /proc and
> > debootstrap fails when trying to do the same? Maybe debootstrap could
> > just skip mounting /proc if this mount is already present?
> Here's a proposed patch.
Your patch will try to umount /proc even if it has not been mounted by
debootstrap. That's wrong. If you detect that /proc was handled outside of
debootstrap, then you should also not umount it.
And the handling of /sys should be entirely separate from /proc. Even if
/proc was already mounted, you want debootstrap to ensure that /sys is
Raphaël Hertzog ◈ Debian Developer
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