Re: unshare strange behavoius

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Hi,
This is probably due to the "shared" flag which you have in one
of your mounts.
Check by "cat /proc/mounts | grep share"
whether you have shared mounts.

Best,
Rami Rosen
http://ramirose.wix.com/ramirosen



On Mon, Apr 22, 2013 at 3:03 PM, David Shwatrz <dshwatrz@xxxxxxxxx> wrote:
> hello,
> I created a mount namespace thus:
> I run:
> unshare -m /bin/bash
>
> and then
> mount -t tmpfs tmpfs /test
>
>
> cat /proc/mounts |grep  test
> shows this:
> tmpfs /test tmpfs rw,relatime 0 0
>
>
> from a second terminal I run:
> cat /proc/mounts | grep test
> tmpfs /test tmpfs rw,relatime 0 0
>
>
> Now, the unshare -m /bin/bash should have created a private mount
> namespace ; why do I see the mount I performed on another
> terminal, which runs the default mount namespace ? according
> to what I know, changes in the new namespace I created should not
> propagate to other namespace (unless we explicitly use the share
> flag with mount)
>
>
> rgs
> DavidS
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