Mounting UBIFS readonly - is it really readonly?

Artem Bityutskiy dedekind1 at
Mon Aug 23 08:23:40 EDT 2010

On Tue, 2010-07-27 at 21:05 +0200, Sergei Zhirikov wrote:
> As you can see, there is "ro", which causes UBIFS to be initially
> mounted readonly. And later it is *never* remounted read-write.
> Everything seems to work as expected (I get "Read-only file system"
> error upon a write attempt) except one thing. Somehow the modification
> time of /dev/console is updated every time the system boots. Note: I'm
> not talking about the /dev/console located inside the /dev mount
> (which is tmpfs and is obvously writable), I'm talking about
> the /dev/console located on the root file system and accessed
> (probably by init) before /dev is mounted. I'm really puzzled. How is
> this possible? The root filesystem has been readonly all the time and
> still the timestamp is somehow updated. Does anyone have an idea what
> might be going on there?

Did you solve the issue, I'm just curious.

Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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