Random disconnects --- was: Re: [SOLVED]: gtkpod with ssh and iPod touch 1gen - jailbroken

On 13/04/11 12:37, Rainer M Krug wrote:
> On 13/04/11 12:28, P.G. Richardson wrote:
>>
>>> On 13/04/11 11:42, Christophe Fergeau wrote:
>>>> 2011/4/13 Rainer M Krug <[email protected]>:
>>>>
>>>>>
>>>>> 2) I have random disconnects when using the USB cable under Linux to
>>>>> sync tracks - it only happens when synching, and the same when mounting
>>>>> via gvfs or ifuse (copying files to the iPod touch works fine, by the
>>>>> way - no disconnects there, only when using gtkpod, banshee, rhythmbox
>>>>> -
>>>>> I haven't tested others yet). It was working when using sshfs (well -
>>>>> sort off - at least no random disconnect). So it could be a kind of
>>>>> "fallback" mechanism.
>>>>
>>>> By "fallback", you mean that you want to workaround bugs instead of
>>>> reporting them and getting them fixed in the first place, right ?
>>>
>>> Exactly :-)
>>>
>>>> Could it be a bad cable issue? Ie could you try with another cable if
>>>> you have one handy?
>>>
>>> Highly unlikely, as it works when just copying data (at the moment via
>>> nautilus, 17.5GB, so far 7GB and no problem) and it works from a virtual
>>> machine under Windows.
>>>
>>
>> Have you tried opening a terminal and changing directory to the mounted
>> ipod? That way when it tries to unmount, it should fail claiming
>> "directory busy".
> 
> You mean before trying to sync to prevent an unmount?
> 
> But it does  not unmount properly - the content just disappears (when
> using ifuse, I went into the directory where it was mounted, and it was
> empty).
> 
> I "solved" it usually with unmounting (either via nautilus, or via
> fusermount -u /media/iPod, depending on how it was mounted) and it
> worked after wards again - mostly. In some cases (especially with gvfs),
> I could not even unmount any more and had to logout and in again.

OK - it happened just now when copying via nautilus to the iPod. The
error is:

Could not display
"afc://c0d4d4d604f3042b9310e6c62c530f1007bd35f5/My%20Music".

Error: Unhandled Apple File Control error (2)
Please select another viewer and try again.

The last entry in dmesg is:
[92886.350580] gspca: found int in endpoint: 0x83, buffer_len=2, interval=50
[92886.645316] gspca: ISOC data error: [7] len=543, status=-84
[92887.349310] gspca: ISOC data error: [5] len=893, status=-84
[92890.357299] gspca: ISOC data error: [6] len=574, status=-84
[92892.789271] gspca: ISOC data error: [3] len=351, status=-84
[92893.088399] gspca: found int in endpoint: 0x83, buffer_len=2, interval=50


This does not tell me anything - any ideas?

Rainer

> 
> So it is not that the iPod is actually unmounting, but the content is
> disappearing.
> 
> Rainer
> 
>>
>> Just a quick thought.
>>
>> PGR
>>
>>
>>
>>
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> 
> 
> 
> ------------------------------------------------------------------------------
> Forrester Wave Report - Recovery time is now measured in hours and minutes
> not days. Key insights are discussed in the 2010 Forrester Wave Report as
> part of an in-depth evaluation of disaster recovery service providers.
> Forrester found the best-in-class provider in terms of services and vision.
> Read this report now!  http://p.sf.net/sfu/ibm-webcastpromo



------------------------------------------------------------------------------
Forrester Wave Report - Recovery time is now measured in hours and minutes
not days. Key insights are discussed in the 2010 Forrester Wave Report as
part of an in-depth evaluation of disaster recovery service providers.
Forrester found the best-in-class provider in terms of services and vision.
Read this report now!  http://p.sf.net/sfu/ibm-webcastpromo