CRASH

thread 1:

#0  0x90810820 in CFSetGetValueIfPresent
#1  0x929ff794 in NSHashInsertKnownAbsent
#2  0x93974c28 in -[_NSModelObservingTracker _startObservingModelObject:]
#3  0x93974b68 in -[_NSModelObservingTracker startObservingModelObjectAtReferenceIndex:]
#4  0x93974a5c in -[_NSModelObservingTracker setObservingToModelObjectsRange:]
#5  0x93974870 in -[_NSBindingAdaptor tableView:updateVisibleRowInformation:]
#6  0x937d0f24 in -[NSTableView drawRect:]
#7  0x93765e78 in -[NSView _drawRect:clip:]
#8  0x93765438 in -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:]
#9  0x93764a00 in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
#10 0x93764fc8 in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
#11 0x93764fc8 in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
#12 0x93764fc8 in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
#13 0x93764fc8 in -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
#14 0x93785664 in -[NSThemeFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:]
#15 0x9375e674 in -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:]
#16 0x93753968 in -[NSView displayIfNeeded]
#17 0x937537d8 in -[NSWindow displayIfNeeded]
#18 0x93753684 in _handleWindowNeedsDisplay
#19 0x907e3cd8 in blogCFRunLoopDoObservers
#20 0x907e3f78 in blogCFRunLoopRun
#21 0x907e3a18 in CFRunLoopRunSpecific
#22 0x9321d980 in RunCurrentEventLoopInMode
#23 0x9321d014 in ReceiveNextEventCommon
#24 0x9321ce80 in BlockUntilNextEventMatchingListInMode
#25 0x93720104 in _DPSNextEvent
#26 0x9371fdc8 in -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]
#27 0x9371c30c in -[NSApplication run]
#28 0x9380ce68 in NSApplicationMain
#29 0x00011fac in main at main.m:13

thread 2:

#0  0x9002c128 in semaphore_wait_signal_trap
#1  0x90030bec in pthread_cond_wait
#2  0x9374d74c in -[NSViewHierarchyLock lockForWriting]
#3  0x9374c458 in -[NSView setFrameSize:]
#4  0x93760e08 in -[NSControl setFrameSize:]
#5  0x937c7e84 in -[NSTableView setFrameSize:]
#6  0x937c6958 in -[NSTableView tile]
#7  0x937c6764 in -[NSTableView _tileAndRedisplayAll]
#8  0x9396e9fc in -[NSTableBinder _updateContent]
#9  0x9396e7e0 in -[NSTableBinder _observeValueForKeyPath:ofObject:context:]
#10 0x9396e5c4 in -[NSTableBinder observeValueForKeyPath:ofObject:change:context:]
#11 0x929fcd08 in -[NSObject(NSKeyValueObservingPrivate) _notifyObserversForKeyPath:change:]
#12 0x93972608 in -[NSController _notifyObserversForKeyPath:change:]
#13 0x93972420 in -[NSArrayController didChangeValuesForArrangedKeys:objectKeys:indexKeys:]
#14 0x93971b24 in -[NSArrayController setContent:]
#15 0x93bfee98 in -[_NSManagedProxy _managedObjectsChangedInContext:]
#16 0x92975ad8 in _nsnote_callback
#17 0x9080b4c4 in blogCFXNotificationPost
#18 0x908035a0 in _CFXNotificationPostNotification
#19 0x9295fee0 in -[NSNotificationCenter postNotificationName:object:userInfo:]
#20 0x940e22cc in -[NSManagedObjectContext(_NSInternalNotificationHandling) _postObjectsDidChangeNotificationWithUserInfo:]
#21 0x940e2244 in -[NSManagedObjectContext(_NSInternalChangeProcessing) _createAndPostChangeNotification:withDeletions:withUpdates:withRefreshes:]
#22 0x940e16e8 in -[NSManagedObjectContext(_NSInternalChangeProcessing) _processRecentChanges:]
#23 0x940e2a60 in -[NSManagedObjectContext executeFetchRequest:error:]
#24 0x0003e604 in -[GAThreadController prefForKey:] at GAThreadController.m:327
#25 0x0003ed74 in -[GAThreadController selectObjectThroughTourney:] at GAThreadController.m:407
#26 0x0003d170 in -[GAThreadController runSystem] at GAThreadController.m:179
#27 0x0003bf5c in +[GAThreadController runSystemWithGlob:] at GAThreadController.m:46
#28 0x92976194 in forkThreadForFunction
#29 0x9002ba68 in _pthread_body