Strange crash within [AGSLocalTiledLayer batchTilesRequestOperationSucceeded:]

[TobyCox]

We're occasionally seeing crashes within our app using the latest ArcGIS SDK.
It's a EXC_CRASH (SIGSEGV) on thread 0, but no code is running on thread 0 at the time (at least in the crash report).
The common theme with all of the crash reports we're getting is a call to [AGSLocalTiledLayer batchTilesRequestOperationSucceeded:]

Thread 8:
0   libsystem_kernel.dylib         0x352f0848 __kill + 8
1   OurApp                       0x00458c9a 0xa6000 + 3878042
2   libsystem_c.dylib              0x371f77e6 _sigtramp + 42
3   OurApp                       0x0011e7ea -[AGSEnvelope intersectsWithEnvelope:] (AGSEnvelope.mm:172)
4   OurApp                       0x00185352 -[AGSTiledLayerView addTiles:] (AGSTiledLayerView.m:1325)
5   OurApp                       0x00185a2a -[AGSTiledLayerView tiledLayer:operationDidGetTileBatch:] (AGSTiledLayerView.m:1421)
6   OurApp                       0x001db5a4 -[AGSLocalTiledLayer batchTilesRequestOperationSucceeded:] (AGSLocalTiledLayer.m:460)
7   CoreFoundation                 0x3545c1f4 -[NSObject performSelector:withObject:] + 36
8   Foundation                     0x313b3740 __NSThreadPerformPerform + 344
9   CoreFoundation                 0x354d1acc __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 8
10  CoreFoundation                 0x354d1298 __CFRunLoopDoSources0 + 208
11  CoreFoundation                 0x354d003e __CFRunLoopRun + 646
12  CoreFoundation                 0x3545349e CFRunLoopRunSpecific + 294
13  CoreFoundation                 0x35453366 CFRunLoopRunInMode + 98
14  Foundation                     0x31313b6e -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 250
15  OurApp                       0x00163652 -[AGSWorkerThreadUnit workerThreadMainRoutine] (AGSMapView.m:189)
16  Foundation                     0x3131fa7a -[NSThread main] + 66
17  Foundation                     0x313b358a __NSThread__main__ + 1042
18  libsystem_c.dylib              0x371ae72e _pthread_start + 314
19  libsystem_c.dylib              0x371ae5e8 thread_start + 0

I've attached the full crash report. Does anyone have any ideas?

[NimeshJarecha]

1. If possible, can you please attach your tpk file which is being used to create the AGSLocalTiledLayer along with sample code?
2. Any idea what scenario causes the crash? Map interaction? Zoom/Pan?

Regards,
Nimesh

[TobyCox]

The TPK is 13GB, so can't really attach sorry.
I'm not sure what causes the crash, it's only ever our client seeing the problem.
I suspect it's when they zoom to a certain level.
What sort of issues in a Tile package might cause a crash like this?