[iOS 11.0] Large delay while connecting MFi accessory

Originator:maxime.chapelet
Number:rdar://34568254 Date Originated:September 21 2017
Status:Duplicate/Open/Confirmed Resolved:No
Product:iOS SDK + External Accessory Framework Product Version:11.0 (15A372)
Classification:Serious Reproducible:Most of the time
 
Area:
External Accessory Framework

Summary:

We are experiencing large delay while we connect our accessory device to host. 
It doesn't happen everytime. 
There seems to be a regular 30 seconds delay period while the connection process hangs. 
We retrieved informations from a sysdiagnose while replicating the issue. 
It seems the accessoryd is in a state where this message occurs at time 2017-09-20 15:07:59.364360 : 
Auth timeout and authentication failed 

Please refer to the sysdiagnose archive attached. 

Steps to Reproduce:

Download the io360 app on App Store and connect an iO 360 camera. 
Repeat until the issue happens.

Expected Results:
Connects immediately everytime

Actual Results:
Sometimes does not connect until a 30 seconds delay

Version/Build:
MFI
iOS 11.0 (15A372) 
Model: iPhone 6

Comments


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