(2nd try) ubuntu 12.04LTS: sometime won't detect my iphone4s!

[ping]

On 11/22/2012 03:41 AM, Colin Law wrote:
> On 21 November 2012 21:09, ping <songpingemail at gmail.com> wrote:
>> On 11/13/2012 04:44 PM, ping wrote:
>>> folks:
>>> not sure you guys expericence the same,  sometime my iphone4s can't be
>>> recognized when I connect the USB cable into ubuntu PC.
>>> previously I had similiar issue with blackberry and in that case can be
>>> constantly resolved by:
>>>      $ sudo modprobe -r usb_storage
>>>      $ sudo modprobe usb_storage
>>>
>>> but now this doesn't work, any known solutions?
>>>
>>> thanks!
>>> regards
>>> ping
>>
>> guys, anyone can help here?
> Does running dmesg in a terminal tell you anything useful (in the case
> that it does not work).  Run dmesg then plug it in and run dmesg again
> and see what new messages have been added.
>
> Colin
>
thanks Colin,
I'm really confused here, what does it has anything to do with eth0?
yes the iphone looks been detected here, but fdisk detected nothing.
how to proceed now?

[11786.566321] usb 2-1.1: new high-speed USB device number 6 using ehci_hcd
[11786.799690] ipheth 2-1.1:4.2: Apple iPhone USB Ethernet device attached
[11786.866078] ADDRCONF(NETDEV_UP): eth0: link is not ready
[11786.866980] ADDRCONF(NETDEV_UP): eth0: link is not ready