Ipod problem: Could it be power?

[Brian McKee]

On Tuesday 11 July 2006 15:56, Ylan Segal wrote:
> For some time now, I have been trying to get my ipod working under
> Ubuntu dapper, without much success. I have discussed in this list
> before, but in a nutshell, when I try to copy files from it (using
> whatever method) I get Buffer I/O errors in the syslog and the ipod
> hangs until manually disconnected.
>
> Trying to fix this, I have received much advice (from really good and
> helpful people on this list: thanks again!) which boils down to:
>
> 1) Plug the ipod directly to your computer, not a hub (hardware)
> 2) Use a custom kernel with various configurations (software)
>
> Until now, I ignored the hardware part because this same ipod worked
> perfectly in this same laptop under Windows and I am not using a hub but
> plugging the ipod straight to my laptop. Software, though, has not
> gotten me very far. Even with a vanilla 2.6.17 kernel I still get the
> same results.
>
> I had speculated that maybe my laptop has an internal hub and I have
> confirmed it: lscpi actually finds 2 USB hubs (apparently one for each
> usb port in my laptop) plus the firewire port, which Sony calls i.LINK
> and I didn't even know it was firewire until lspci told me!
>
> I also read an interesting article about USB power in the 2.6.16 kernel
> and how it is now software limited [1] which made me remember someone
> had actually suggested that my problem was a power issue. And then it
> hits me: Before I installed Ubuntu, I had a little accident with a cup
> of coffee, which caused some chaos on my desk and *fried my USB hub*.
> That's right, with Windows I was using a *powered USB hub* to connect my
> ipod.
>
> So, my current hypothesis is that my laptop is not supplying enough
> power to the ipod and this causes the ipod to hang. I have just ordered
> a new USB powered hub and plan to test it as soon as I get it. For good
> measure, I also bought a firewire 6pin-4pin connector and I will try to
> connect my ipod that way, instead of usb. Currently, I can't think of
> anything else to try.
>
> Anyway... there is not really a question here, but if anyone has any
> comments on the situation, they will be appreciated.


Here's hoping - you're patience has been remarkable....
Assuming your iPod is firewire capable (all of them but the latest video model 
right?)
I'm sure you'll find the firewire is much faster.... um, if it works that 
is...
Crossing my fingers for you.
Brian

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 191 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20060711/db27e80a/attachment.sig>