unshare -m does not work as expected

[Colin Law]

On 26 April 2013 12:50, Kevin Wilson <wkevils at gmail.com> wrote:
> I am trying this simple sequence:
>
> unshare -m /bin/bash
> mount /dev/sd3 /mnt/sda3

Is there a typo there?

>
> then from a different terminal I run:
> mount | grep sda2

Is there another typo there?

It might be best to run the commands and copy/paste the results here.
Run the mount | grep before the unshare just to confirm and post the
complete sequence.

Colin

>
> And I see this mount (which was not mounted before running this mount command)
> cat /proc/self/mountinfo | grep share (on the second terminal, and
> also on  the first) does not find anything.
> So we don't have here a shared mount.
>
> Now, I would expect not to see sda3 mounted on the second terminal.
> I created a child with a different namespace in the first terminal.
>
> Why do I see it ?
>
>
> regards,
> Kevin
>
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