Ad Hoc WiFi Connections Broken

Originator:bob.kst
Number:rdar://13376187 Date Originated:3/8/2013
Status:Open Resolved:
Product:iOS Product Version:6.1.2
Classification:Serious Bug Reproducible:Always
 
08-Mar-2013 12:18 AM Bob Kressin:
Summary:  While working with iOS4 and iOS5, we created a product line of hardware accessories that communicated with iPads via WiFi Ad Hoc connections.  When our customers upgraded to iOS6, they lost the ability to communicate with our accessory.  We verified this; even though the iPad shows connected signal bars, and IP addresses are being assigned, a connection is never established, and the NSStream fails.

Steps to Reproduce:  Setup an Ad Hoc Network.  Go to Settings.app.  Tap on Ad Hoc Network.  Do not believe the checkmark or the WiFi connection bars.  Your device is not connected.

Expected Results:  Connection to an Ad Hoc WiFi Network.

Actual Results:  Cannot connect to an Ad Hoc WiFi Network.

Regression:

Notes:  This is openly discussed on the Internet as a real issue in many different contexts.

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