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[solved] cannot mount my ipod 80gb anymore :-(

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Army:
Hi guys

I did some googling and also searching in this forum, but my problem seems to be a bigger one.

I'm a linux user and whenever there's a problem, there's a shell command, which outputs some useful information. In my case it's the following:

I plug my ipod into the usb port, but nothing happens on the computer. The ipod itself behaves as usual, it jumps into usb mode (but only when rockbox is started, no reaction, when I'm in the original firmware), the akku starts loading, but the disk doesn't give me the sound of being mounted, usually there's some i/o, because it's being recognized by linux.
So I run the command "dmesg" and that's the relevant output:


--- Code: ---usb 4-1: new full speed USB device using uhci_hcd and address 64
usb 4-1: device descriptor read/64, error -71
usb 4-1: device descriptor read/64, error -71
usb 4-1: new full speed USB device using uhci_hcd and address 65
usb 4-1: device descriptor read/64, error -71
usb 4-1: device descriptor read/64, error -71
usb 4-1: new full speed USB device using uhci_hcd and address 66
usb 4-1: device not accepting address 66, error -71
usb 4-1: new full speed USB device using uhci_hcd and address 67
usb 4-1: device not accepting address 67, error -71
hub 4-0:1.0: unable to enumerate USB device on port 1

--- End code ---

Some googling (http://ubuntuforums.org/archive/index.php/t-421241.html) told me "error -71" means bad cable, so I tried with another one, but same result. I tried these things mentioned on the ubuntuforums site, but it didn't change anyting. I also tried all 4 usb ports on my laptop (the ipod used to work with all of them..) but still, same result. So I plugged it into a windows machine. There I get a reaction, but it tells me "unknown device" (translated from german into english, I don't know what an english version of windows xp would spit out), so it cannot be mounted either. Last try was, I plugged it into a macbook pro, but as with my linux machine, absolutely no reaction.

So, what can be broken on my ipod? I guess it's a hardware problem, but where to start here? Could the problem be solved by a new hd? The problem is, I could send it to apple, so they can repair it, but ... I have rockbox on it and I can't delete it ;-)

Help is very appreciated!!!

Greetings
Army

Horscht:
someone in IRC mentioned pretty much the same issue earlier today using his Ipod Video 30GB. He only had this issue with the latest (k)ubuntu (9.04). If you're using any ubuntu derivate, could you try wether an older live CD (8.04 for example) yields the same issue? I think it might be a bug in ubuntu.

Chronon:
The overly aggressive attempts to mount devices as MTP have been fixed since at least a week ago.  My Rockboxed players now mount properly in (k)ubuntu 9.04.  As well, the user mentioned it not working with any different cables, ports, computers/OSes.  It seems that Army has done the right things to try to eliminate possible factors that would contribute to bad USB connectivity.

Are you sure that the second cable you used was good?  I have had rather poor experience with the longevity of iPod cables.  It's possible, though I admit not very likely, that the second cable was also bad.  I think you should try to find another iPod that syncs properly to a computer and substitute your iPod in place of that one to make sure you have a working chain (good port, good cable, working PC).  If that fails you can be confident that something is wrong with your iPod, itself.  This could still be attributed to several different things like a corroded contact in your dock connector or on the board, or some kind of failure in the SOC, I suppose. 

Army:
Thanks for your replies!

I am 99% sure, that the other cable works. It's my brother's and he connects his iPod to his Mac all the time and it would be a GREAT coincidence if his cable broke at that day I tested it on my linux machine (btw, I use Archlinux, I know that Ubuntu is totally buggy, so I don't use that anymore ;-) ) and his Mac.

I think I'll check if the contacts are corroded, that's what I was thinking of in the first moment as well. But they are hard to be cleaned, I guess I have to open the player for this, right?
I mean, I never dropped it or anything. I was thinking about the harddrive to be the reason, because it seems to be weakened already, although it's only about a year old..

But let's say the contacts are fine and I don't find anything, what could I do to repair this by myself? Do you guys have any ideas, what this could be caused by?

Chronon, with SOC, do you mean the chip? I mean, the player works as before, I can do anything, except of mounting it.. Wouldn't that work anymore with a broken chip?

I know, many questions, but I'm really not good at hardware stuff, that's why I'm asking for help here

Greetz
Army

GodEater:
So does your iPod mount correctly on your brother's Mac using his cable ? Or does it fail there too ?

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