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Created attachment 2685 [details]
Symbolicated crash log
We've got a couple of apps that we've rebuilt using MT 6.0.2/3. Both of them run fine under iOS6, but are crashing immediately on iOS5. They previously ran OK under iOS5, when built with MT 5.x.
I attach a symbolicated crash log from one of the applications. The only app code being run seems to be main. Can you offer any guidance as this is preventing us from submitting iPhone 5 updates?
The original exception comes from ObjC (with some C++) too. MonoTouch catch that (unhandled) exception before throwing it back (that's normal) so we need to dig the original root cause.
1. Did you try this on the iOS 5.x simulator(s) ?
2. Can you look at the Console (from Xcode) to see what message were logged just before the crash. There's likely some message(s) that will hint us about the condition.
3. Can you attach (you can mark is as private) the full build log of the application ? (as found in "Built Output", inside MonoDevelop's "Error List" pad).
Also before re-building your application please add "-v -v -v" to your project's options ("mtouch additional arguments") so we have more details about it.
Drat. Sorry. It was a result of replacing a deprecated property that turned out to be iOS 6 only. Once I worked out how to install the old simulators, it became clear. Thanks for the pointer.