Unhandled lockdown error (-3) when trying to connect to iPad

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Unhandled lockdown error (-3) when trying to connect to iPad

Postby lcsontos » 2018-08-07 18:08

Hi,

I'm trying to connect my iPad, but it isn't possible to mount on my Debian box and I get "Unhandled lockdown error (-3)".

Steps to reproduce:

* Connect iPad with USB
* A message appears on the device's screen if I trust this computer, I do
* It requires me to enter the device's passcode, I do
* In Caja I navigate to "Documents on iPad" and the aforementioned error message appears.

Environment:

PC: Debian Stretch (9.5) with Mate Desktop

List of relevant packages:

Code: Select all
% dpkg --list | grep -i iphone
ii  libimobiledevice-utils                    1.2.0+dfsg-3.1                              amd64        Library for communicating with iPhone and iPod Touch devices
rc  libimobiledevice4:amd64                   1.1.6+dfsg-3.1                              amd64        Library for communicating with the iPhone and iPod Touch
ii  libimobiledevice6:amd64                   1.2.0+dfsg-3.1                              amd64        Library for communicating with the iPhone and iPod Touch
rc  libusbmuxd2:amd64                         1.0.9-1                                     amd64        USB multiplexor daemon for iPhone and iPod Touch devices - library
ii  libusbmuxd4:amd64                         1.0.10-3+b1                                 amd64        USB multiplexor daemon for iPhone and iPod Touch devices - library
ii  usbmuxd                                   1.1.0-2+b2                                  amd64        USB multiplexor daemon for iPhone and iPod Touch devices


iPad: iOS 11.3 (model a1893)

What's been tried already

* Realized that libimobiledevice-utils wasn't installed, so I installed it
* Certain forum posts stated that idevicepair unpair && idevicepair pair solved the issue, but that didn't work out for me. Even though pairing is successful
* Disabled device passcode temporarily, but the only change I saw was that the device didn't prompt for passcode
* Did a reboot and retried

Has anyone seen this error and knows starting points for investigating what's happening here?

Many thanks for your help in advance!

Cheers,
László
lcsontos
 
Posts: 2
Joined: 2018-08-07 17:51

Re: Unhandled lockdown error (-3) when trying to connect to

Postby Segfault » 2018-08-07 20:31

I do not use Microsoft and Apple products myself, all I can tell you error -3 is "no such process".
Segfault
 
Posts: 730
Joined: 2005-09-24 12:24

Re: Unhandled lockdown error (-3) when trying to connect to

Postby dcihon » 2018-08-08 01:13

Not sure if it will help but you can try some of the things here:
https://stackoverflow.com/questions/26165939/ubuntu-14-04-ios-8-0-2-unhandled-lockdown-error
dcihon
 
Posts: 233
Joined: 2012-09-23 16:18

Re: Unhandled lockdown error (-3) when trying to connect to

Postby lcsontos » 2018-08-08 04:59

I didn't have ifuse installed, installed it and have just tried these ones:

https://stackoverflow.com/a/27771310/8707288
https://stackoverflow.com/a/33060187/8707288
https://stackoverflow.com/a/38415682/8707288

None of them worked unfortunately.

ESRCH indeed means no such process, but it's +3.
How do you know that error -3 means the same?
What could be the missing process?
lcsontos
 
Posts: 2
Joined: 2018-08-07 17:51

Re: Unhandled lockdown error (-3) when trying to connect to

Postby dcihon » 2018-08-08 10:33

My iPad is working in Debian Testing. It was a while ago that I got it working and don't remember what combination of things worked.
I am using MATE Desktop also. Not sure that it matters for this.
I did document some of the things I went through to get it to work in the following thread. But going back and reading it, it doesn't look like I came up with the answer.
I can list packages from my system if that will help you but I don't know what else help I can give you.
Here is my thread:
http://forums.debian.net/viewtopic.php?f=7&t=132972&hilit=iphone
dcihon
 
Posts: 233
Joined: 2012-09-23 16:18


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