Cannot mount USB Mass Storage Device in Canon Compact Camera and USB External Harddisks in Ubuntu 14.04 LTS

[Teo En Ming]

On 17/09/2014 04:34, Colin Law wrote:
> On 16 September 2014 21:25, Teo En Ming
> <singapore.mr.teo.en.ming at gmail.com> wrote:
>> On 17/09/2014 03:46, Colin Law wrote:
>>> On 16 September 2014 20:30, Teo En Ming
>>> <singapore.mr.teo.en.ming at gmail.com> wrote:
>>>> Hi,
>>>>
>>>> Recently I helped my friend assemble his desktop computer. His
>>>> motherboard
>>>> is the Asus H97 Pro. I installed Ubuntu 14.04 LTS on his desktop
>>>> computer.
>>>>
>>>> Then I tried to plug in his Canon compact camera using a USB cable.
>>>> Executing "dmesg" shows that the Canon compact camera was detected. But
>>>> Ubuntu is unable to mount the USB mass storage device in the Canon
>>>> compact
>>>> camera.
>>>>
>>>> Subsequently, I tried to plug in his USB external harddisk. Executing
>>>> "dmesg" again shows that the USB external harddisk was detected, but
>>>> Ubuntu
>>>> cannot mount the USB mass storage device.
>>>>
>>>> Is this a Ubuntu 14.04 LTS bug? Because my friend told me he can mount
>>>> the
>>>> Canon compact camera and USB external harddisk in Ubuntu 12.04 LTS.
>>> Post what you see in dmesg for the two devices.
>>>
>>> Colin
>>>
>> I am sorry but I don't have access to my friend's computer right now. Is the
>> problem reproducible in your Ubuntu 14.04 LTS installation?
> No, that is why I am asking for more details.  Hopefully there will be
> a clue in the dmesg output.  In case you do not know, you can copy
> from a terminal window using Ctrl-Shift-C, once you can get access to
> the machine.
>
> Colin
>

Dear Colin,

As far as I can recall, Ubuntu failed to create device nodes. That's why 
it cannot mount the USB mass storage devices automatically.

-- 
Yours sincerely,

Teo En Ming