On Wed, 2013-07-31 at 16:19 +0800, Chunrong Guo wrote:
>     *If /etc/mtab is a symlink to /proc/self/mounts,
>      mounting fails because addmntent returns an error.
>      As a consequence, the Private directory is unusable
>      because /proc/self/mounts is read-only feature.

This looks like it will break anything with a READ_ONLY_ROOTFS since now
mtab won't exist and there will be no way for it to get created.  

I'm not quite sure I understand what problem you're trying to fix (since
I can't immediately think of any situation where calling addmntent() is
a sensible thing to do) but, whatever the problem is, I don't think that
unilaterally removing /etc/mtab is a good way to go about fixing it.

p.

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