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Deadlock on [PFObject pinWithName:] with Parse 1.11.0 #661

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xaphod opened this issue Dec 16, 2015 · 1 comment
Closed

Deadlock on [PFObject pinWithName:] with Parse 1.11.0 #661

xaphod opened this issue Dec 16, 2015 · 1 comment

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@xaphod
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xaphod commented Dec 16, 2015

Might be related to the other deadlock issue I just filed, but i'm not sure. Debug, simulator, iOS 9.2, Parse 1.11.0.

thread 1, frame #8:    [newEvent pinWithName:@"EventObject"]; // newEvent is an EventObject, which is a subclass of PFObject


(lldb) bt all
warning: could not load any Objective-C class information. This will significantly reduce the quality of type information available.
* thread #1: tid = 0x409637, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, queue = 'com.apple.main-thread', stop reason = signal SIGSTOP
  * frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x0000000110277941 Foundation`-[NSCondition wait] + 240
    frame #3: 0x000000010e07b8b7 Photobooth`-[BFTask waitUntilFinished](self=0x00007ff92bf906f0, _cmd="waitUntilFinished") + 407 at BFTask.m:441
    frame #4: 0x000000010e36003b Photobooth`-[BFTask(self=0x00007ff92bf906f0, _cmd="waitForResult:withMainThreadWarning:", error=0x0000000000000000, warningEnabled=YES) waitForResult:withMainThreadWarning:] + 59 at BFTask+Private.m:113
    frame #5: 0x000000010e35fff3 Photobooth`-[BFTask(self=0x00007ff92bf906f0, _cmd="waitForResult:", error=0x0000000000000000) waitForResult:] + 67 at BFTask+Private.m:108
    frame #6: 0x000000010e3e562c Photobooth`-[PFObject pinWithName:error:](self=0x00007ff92ea3a510, _cmd="pinWithName:error:", name=0x000000010e7581b0, error=0x0000000000000000) + 108 at PFObject.m:2479
    frame #7: 0x000000010e3e5590 Photobooth`-[PFObject pinWithName:](self=0x00007ff92ea3a510, _cmd="pinWithName:", name=0x000000010e7581b0) + 64 at PFObject.m:2475
    frame #8: 0x000000010dffebff Photobooth`-[EventNewEventViewController doneButtonPressed:](self=0x00007ff92bea4c70, _cmd="doneButtonPressed:", sender=0x00007ff92bea2400) + 559 at EventNewEventViewController.m:46
    frame #9: 0x0000000110fcd194 UIKit`-[UIApplication sendAction:to:from:forEvent:] + 92
    frame #10: 0x00000001113ce7b7 UIKit`-[UIBarButtonItem(UIInternal) _sendAction:withEvent:] + 152
    frame #11: 0x0000000110fcd194 UIKit`-[UIApplication sendAction:to:from:forEvent:] + 92
    frame #12: 0x000000011113c6fc UIKit`-[UIControl sendAction:to:forEvent:] + 67
    frame #13: 0x000000011113c9c8 UIKit`-[UIControl _sendActionsForEvents:withEvent:] + 311
    frame #14: 0x000000011113cb43 UIKit`-[UIControl _sendActionsForEvents:withEvent:] + 690
    frame #15: 0x000000011113baf8 UIKit`-[UIControl touchesEnded:withEvent:] + 601
    frame #16: 0x000000011103c49b UIKit`-[UIWindow _sendTouchesForEvent:] + 835
    frame #17: 0x000000011103d1d0 UIKit`-[UIWindow sendEvent:] + 865
    frame #18: 0x0000000110febb66 UIKit`-[UIApplication sendEvent:] + 263
    frame #19: 0x000000012535e871 UIKit`-[UIApplicationAccessibility sendEvent:] + 77
    frame #20: 0x0000000110fc5d97 UIKit`_UIApplicationHandleEventQueue + 6844
    frame #21: 0x0000000112d06a31 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    frame #22: 0x0000000112cfc95c CoreFoundation`__CFRunLoopDoSources0 + 556
    frame #23: 0x0000000112cfbe13 CoreFoundation`__CFRunLoopRun + 867
    frame #24: 0x0000000112cfb828 CoreFoundation`CFRunLoopRunSpecific + 488
    frame #25: 0x000000011463aad2 GraphicsServices`GSEventRunModal + 161
    frame #26: 0x0000000110fcb610 UIKit`UIApplicationMain + 171
    frame #27: 0x000000010e00fea2 Photobooth`main(argc=1, argv=0x00007fff51c8a850) + 130 at main.m:15
    frame #28: 0x000000011372792d libdyld.dylib`start + 1

  thread #2: tid = 0x4096ac, 0x0000000113a67fde libsystem_kernel.dylib`kevent64 + 10, queue = 'com.apple.libdispatch-manager'
    frame #0: 0x0000000113a67fde libsystem_kernel.dylib`kevent64 + 10
    frame #1: 0x00000001136e24c8 libdispatch.dylib`_dispatch_mgr_invoke + 260
    frame #2: 0x00000001136e2262 libdispatch.dylib`_dispatch_mgr_thread + 54

  thread #4: tid = 0x4096b1, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, queue = 'PFSQLiteDatabase.synchronizationQueue'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x0000000110277941 Foundation`-[NSCondition wait] + 240
    frame #3: 0x000000010e07b8b7 Photobooth`-[BFTask waitUntilFinished](self=0x00007ff92ea404b0, _cmd="waitUntilFinished") + 407 at BFTask.m:441
    frame #4: 0x000000010e36003b Photobooth`-[BFTask(self=0x00007ff92ea404b0, _cmd="waitForResult:withMainThreadWarning:", error=0x0000000000000000, warningEnabled=YES) waitForResult:withMainThreadWarning:] + 59 at BFTask+Private.m:113
    frame #5: 0x000000010e35fff3 Photobooth`-[BFTask(self=0x00007ff92ea404b0, _cmd="waitForResult:", error=0x0000000000000000) waitForResult:] + 67 at BFTask+Private.m:108
    frame #6: 0x000000010e3e162c Photobooth`-[PFObject fetchFromLocalDatastore:](self=0x00007ff92bfe5e00, _cmd="fetchFromLocalDatastore:", error=0x0000000000000000) + 76 at PFObject.m:2135
    frame #7: 0x000000010e3e15cf Photobooth`-[PFObject fetchFromLocalDatastore](self=0x00007ff92bfe5e00, _cmd="fetchFromLocalDatastore") + 47 at PFObject.m:2131
    frame #8: 0x000000010dfc5753 Photobooth`-[EventObject isEqual:](self=0x00007ff92ea3a510, _cmd="isEqual:", object=0x00007ff92bfe5e00) + 179 at EventObject.m:57
    frame #9: 0x0000000112cd4d64 CoreFoundation`-[NSArray containsObject:] + 228
    frame #10: 0x000000010e4241b5 Photobooth`__68-[PFPinningObjectStore pinObjectsAsync:withPinName:includeChildren:]_block_invoke(.block_descriptor=0x00007ff92bfb4830, task=0x00007ff92bfb6320) + 629 at PFPinningObjectStore.m:102
    frame #11: 0x000000010e07b494 Photobooth`__62-[BFTask continueWithExecutor:successBlock:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92bfbafc0, task=0x00007ff92bfb6320) + 164 at BFTask.m:410
    frame #12: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #13: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #14: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #15: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92bfbf400) + 244 at BFTask.m:328
    frame #16: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92bfb6320, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #17: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92bfb6320, _cmd="trySetResult:", result=0x00007ff92bf96ca0) + 252 at BFTask.m:223
    frame #18: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92bfc8380, _cmd="setResult:", result=0x00007ff92bf96ca0) + 89 at BFTaskCompletionSource.m:50
    frame #19: 0x000000010e07abf1 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_3(.block_descriptor=0x00007ff92e93fe10, task=0x00007ff92e93fb40) + 481 at BFTask.m:352
    frame #20: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #21: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #22: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #23: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92e940580) + 244 at BFTask.m:328
    frame #24: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92e93fb40, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #25: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92e93fb40, _cmd="trySetResult:", result=0x00007ff92bf96ca0) + 252 at BFTask.m:223
    frame #26: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92e941930, _cmd="setResult:", result=0x00007ff92bf96ca0) + 89 at BFTaskCompletionSource.m:50
    frame #27: 0x000000010e07abf1 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_3(.block_descriptor=0x00007ff92e9216e0, task=0x00007ff92e931050) + 481 at BFTask.m:352
    frame #28: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #29: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #30: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #31: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92e92deb0) + 244 at BFTask.m:328
    frame #32: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92e931050, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #33: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92e931050, _cmd="trySetResult:", result=0x00007ff92bf96ca0) + 252 at BFTask.m:223
    frame #34: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92bd3cd70, _cmd="setResult:", result=0x00007ff92bf96ca0) + 89 at BFTaskCompletionSource.m:50
    frame #35: 0x000000010e07a9da Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 730 at BFTask.m:366
    frame #36: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #37: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #38: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92e96c3d0) + 244 at BFTask.m:328
    frame #39: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92e9305d0, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #40: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92e9305d0, _cmd="trySetResult:", result=0x00007ff92bfb4640) + 252 at BFTask.m:223
    frame #41: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92e939970, _cmd="setResult:", result=0x00007ff92bfb4640) + 89 at BFTaskCompletionSource.m:50
    frame #42: 0x000000010e07abf1 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_3(.block_descriptor=0x00007ff92e940690, task=0x00007ff92beeb6a0) + 481 at BFTask.m:352
    frame #43: 0x000000010e07a8a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 420 at BFTask.m:360
    frame #44: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #45: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #46: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92e954b20) + 244 at BFTask.m:328
    frame #47: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92e91f810, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #48: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92e91f810, _cmd="trySetResult:", result=0x0000000000000000) + 252 at BFTask.m:223
    frame #49: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92e9346f0, _cmd="setResult:", result=0x0000000000000000) + 89 at BFTaskCompletionSource.m:50
    frame #50: 0x000000010e07abf1 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_3(.block_descriptor=0x00007ff92bee7fa0, task=0x00007ff92eb21c40) + 481 at BFTask.m:352
    frame #51: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #52: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #53: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #54: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92bef46e0) + 244 at BFTask.m:328
    frame #55: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92eb21c40, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #56: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92eb21c40, _cmd="trySetResult:", result=0x0000000000000000) + 252 at BFTask.m:223
    frame #57: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff929ee8b90, _cmd="setResult:", result=0x0000000000000000) + 89 at BFTaskCompletionSource.m:50
    frame #58: 0x000000010e07abf1 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_3(.block_descriptor=0x00007ff92bf93090, task=0x00007ff92bf921d0) + 481 at BFTask.m:352
    frame #59: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #60: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #61: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #62: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92bf98370) + 244 at BFTask.m:328
    frame #63: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92bf921d0, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #64: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92bf921d0, _cmd="trySetResult:", result=0x0000000000000000) + 252 at BFTask.m:223
    frame #65: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92bfc82d0, _cmd="setResult:", result=0x0000000000000000) + 89 at BFTaskCompletionSource.m:50
    frame #66: 0x000000010e07abf1 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_3(.block_descriptor=0x00007ff92e938ee0, task=0x00007ff92ea57050) + 481 at BFTask.m:352
    frame #67: 0x000000010e07a8a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 420 at BFTask.m:360
    frame #68: 0x00000001136f349b libdispatch.dylib`_dispatch_client_callout + 8
    frame #69: 0x00000001136d7c34 libdispatch.dylib`_dispatch_barrier_sync_f_slow + 1542
    frame #70: 0x000000010e45bd04 Photobooth`PFThreadsafetySafeDispatchSync(queue=0x00007ff92ea66230, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 148 at PFThreadsafety.m:31
    frame #71: 0x000000010e4543f3 Photobooth`__33-[PFSQLiteDatabase initWithPath:]_block_invoke_2(.block_descriptor=<unavailable>) + 35 at PFSQLiteDatabase.m:78
    frame #72: 0x00000001136d2e5d libdispatch.dylib`_dispatch_call_block_and_release + 12
    frame #73: 0x00000001136f349b libdispatch.dylib`_dispatch_client_callout + 8
    frame #74: 0x00000001136dbbef libdispatch.dylib`_dispatch_root_queue_drain + 1829
    frame #75: 0x00000001136db4c5 libdispatch.dylib`_dispatch_worker_thread3 + 111
    frame #76: 0x0000000113a2b68f libsystem_pthread.dylib`_pthread_wqthread + 1129
    frame #77: 0x0000000113a29365 libsystem_pthread.dylib`start_wqthread + 13

  thread #9: tid = 0x4096c4, 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.NSURLConnectionLoader'
    frame #0: 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x0000000113a607c7 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x0000000112cfcb64 CoreFoundation`__CFRunLoopServiceMachPort + 212
    frame #3: 0x0000000112cfbfbf CoreFoundation`__CFRunLoopRun + 1295
    frame #4: 0x0000000112cfb828 CoreFoundation`CFRunLoopRunSpecific + 488
    frame #5: 0x000000010faa83c4 CFNetwork`+[NSURLConnection(Loader) _resourceLoadLoop:] + 412
    frame #6: 0x0000000110318dfb Foundation`__NSThread__start__ + 1198
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #15: tid = 0x4096ce, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, queue = 'PFSQLiteDatabase.synchronizationQueue'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x0000000110277941 Foundation`-[NSCondition wait] + 240
    frame #3: 0x000000010e07b8b7 Photobooth`-[BFTask waitUntilFinished](self=0x00007ff92ea66780, _cmd="waitUntilFinished") + 407 at BFTask.m:441
    frame #4: 0x000000010e36003b Photobooth`-[BFTask(self=0x00007ff92ea66780, _cmd="waitForResult:withMainThreadWarning:", error=0x0000000000000000, warningEnabled=YES) waitForResult:withMainThreadWarning:] + 59 at BFTask+Private.m:113
    frame #5: 0x000000010e35fff3 Photobooth`-[BFTask(self=0x00007ff92ea66780, _cmd="waitForResult:", error=0x0000000000000000) waitForResult:] + 67 at BFTask+Private.m:108
    frame #6: 0x000000010e3e162c Photobooth`-[PFObject fetchFromLocalDatastore:](self=0x00007ff92bfe5e00, _cmd="fetchFromLocalDatastore:", error=0x0000000000000000) + 76 at PFObject.m:2135
    frame #7: 0x000000010e3e15cf Photobooth`-[PFObject fetchFromLocalDatastore](self=0x00007ff92bfe5e00, _cmd="fetchFromLocalDatastore") + 47 at PFObject.m:2131
    frame #8: 0x000000010dfc5730 Photobooth`-[EventObject isEqual:](self=0x00007ff92bfe5e00, _cmd="isEqual:", object=0x00007ff92ea3a510) + 144 at EventObject.m:56
    frame #9: 0x0000000110235089 Foundation`objectEqual + 30
    frame #10: 0x000000011023213e Foundation`probeGC + 399
    frame #11: 0x00000001102323aa Foundation`-[NSConcreteMapTable objectForKey:] + 42
    frame #12: 0x000000010e407996 Photobooth`-[PFOfflineStore fetchObjectLocallyAsync:database:](self=0x00007ff929f57e00, _cmd="fetchObjectLocallyAsync:database:", object=0x00007ff92bfe5e00, database=0x00007ff92ea47750) + 278 at PFOfflineStore.m:141
    frame #13: 0x000000010e40762d Photobooth`__42-[PFOfflineStore fetchObjectLocallyAsync:]_block_invoke(.block_descriptor=0x00007ff92e8e55a0, database=0x00007ff92ea47750) + 77 at PFOfflineStore.m:129
    frame #14: 0x000000010e41a1f3 Photobooth`__58-[PFOfflineStore _performDatabaseOperationAsyncWithBlock:]_block_invoke(.block_descriptor=0x00007ff92ea668d0, task=0x00007ff92ea65fa0) + 115 at PFOfflineStore.m:1076
    frame #15: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #16: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #17: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #18: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92e8e1460) + 244 at BFTask.m:328
    frame #19: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92ea65fa0, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #20: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92ea65fa0, _cmd="trySetResult:", result=0x00007ff92ea47750) + 252 at BFTask.m:223
    frame #21: 0x000000010e07c359 Photobooth`-[BFTaskCompletionSource trySetResult:](self=0x00007ff92e8e2190, _cmd="trySetResult:", result=0x00007ff92ea47750) + 89 at BFTaskCompletionSource.m:78
    frame #2015-12-16 14:14:53.526 Photobooth[3302:4232759] Warning: A long-running operation is being executed on the main thread. 
 Break on warnBlockingOperationOnMainThread() to debug.
22: 0x000000010e4579e7 Photobooth`__56-[PFSQLiteDatabaseController openDatabaseWithNameAsync:]_block_invoke_2(.block_descriptor=0x00007ff92ea4e840, task=0x00007ff92ea05430) + 359 at PFSQLiteDatabaseController.m:67
    frame #23: 0x000000010e07a770 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 112 at BFTask.m:336
    frame #24: 0x000000010e0764fd Photobooth`__29+[BFExecutor defaultExecutor]_block_invoke_2(.block_descriptor=0x000000010e721f90, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 189 at BFExecutor.m:62
    frame #25: 0x000000010e076e9e Photobooth`-[BFExecutor execute:](self=0x00007ff929e5f400, _cmd="execute:", block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 94 at BFExecutor.m:125
    frame #26: 0x000000010e07a6a4 Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke(.block_descriptor=0x00007ff92e80ad60) + 244 at BFTask.m:328
    frame #27: 0x000000010e079f92 Photobooth`-[BFTask runContinuations](self=0x00007ff92ea05430, _cmd="runContinuations") + 770 at BFTask.m:308
    frame #28: 0x000000010e0794dc Photobooth`-[BFTask trySetResult:](self=0x00007ff92ea05430, _cmd="trySetResult:", result=0x0000000000000000) + 252 at BFTask.m:223
    frame #29: 0x000000010e07c079 Photobooth`-[BFTaskCompletionSource setResult:](self=0x00007ff92e8e6f80, _cmd="setResult:", result=0x0000000000000000) + 89 at BFTaskCompletionSource.m:50
    frame #30: 0x000000010e07a9da Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2(.block_descriptor=<unavailable>) + 730 at BFTask.m:366
    frame #31: 0x00000001136f349b libdispatch.dylib`_dispatch_client_callout + 8
    frame #32: 0x00000001136d7fb5 libdispatch.dylib`_dispatch_barrier_sync_f_invoke + 393
    frame #33: 0x000000010e45bd04 Photobooth`PFThreadsafetySafeDispatchSync(queue=0x00007ff92ea444a0, block=(Photobooth`__55-[BFTask continueWithExecutor:block:cancellationToken:]_block_invoke_2 at BFTask.m:328)) + 148 at PFThreadsafety.m:31
    frame #34: 0x000000010e4543f3 Photobooth`__33-[PFSQLiteDatabase initWithPath:]_block_invoke_2(.block_descriptor=<unavailable>) + 35 at PFSQLiteDatabase.m:78
    frame #35: 0x00000001136d2e5d libdispatch.dylib`_dispatch_call_block_and_release + 12
    frame #36: 0x00000001136f349b libdispatch.dylib`_dispatch_client_callout + 8
    frame #37: 0x00000001136dbbef libdispatch.dylib`_dispatch_root_queue_drain + 1829
    frame #38: 0x00000001136db4c5 libdispatch.dylib`_dispatch_worker_thread3 + 111
    frame #39: 0x0000000113a2b68f libsystem_pthread.dylib`_pthread_wqthread + 1129
    frame #40: 0x0000000113a29365 libsystem_pthread.dylib`start_wqthread + 13

  thread #17: tid = 0x4096d1, 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'WebThread'
    frame #0: 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x0000000113a607c7 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x0000000112cfcb64 CoreFoundation`__CFRunLoopServiceMachPort + 212
    frame #3: 0x0000000112cfbfbf CoreFoundation`__CFRunLoopRun + 1295
    frame #4: 0x0000000112cfb828 CoreFoundation`CFRunLoopRunSpecific + 488
    frame #5: 0x00000001199bbf65 WebCore`RunWebThread(void*) + 469
    frame #6: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #7: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #8: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #18: tid = 0x4096d2, 0x0000000113a67176 libsystem_kernel.dylib`__select + 10, name = 'com.apple.CFSocket.private'
    frame #0: 0x0000000113a67176 libsystem_kernel.dylib`__select + 10
    frame #1: 0x0000000112d421fa CoreFoundation`__CFSocketManager + 746
    frame #2: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #3: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #4: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #19: tid = 0x4096f7, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'JavaScriptCore::Marking'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000010eee98ff libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 47
    frame #3: 0x000000011a8ae80b JavaScriptCore`JSC::GCThread::waitForNextPhase() + 171
    frame #4: 0x000000011a8ae8a8 JavaScriptCore`JSC::GCThread::gcThreadMain() + 88
    frame #5: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #6: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #20: tid = 0x4096f8, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'JavaScriptCore::Marking'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000010eee98ff libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 47
    frame #3: 0x000000011a8ae80b JavaScriptCore`JSC::GCThread::waitForNextPhase() + 171
    frame #4: 0x000000011a8ae8a8 JavaScriptCore`JSC::GCThread::gcThreadMain() + 88
    frame #5: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #6: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #21: tid = 0x4096f9, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'JavaScriptCore::Marking'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000010eee98ff libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 47
    frame #3: 0x000000011a8ae80b JavaScriptCore`JSC::GCThread::waitForNextPhase() + 171
    frame #4: 0x000000011a8ae8a8 JavaScriptCore`JSC::GCThread::gcThreadMain() + 88
    frame #5: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #6: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #22: tid = 0x4096fa, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'JavaScriptCore::Marking'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000010eee98ff libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 47
    frame #3: 0x000000011a8ae80b JavaScriptCore`JSC::GCThread::waitForNextPhase() + 171
    frame #4: 0x000000011a8ae8a8 JavaScriptCore`JSC::GCThread::gcThreadMain() + 88
    frame #5: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #6: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #23: tid = 0x4096fb, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'JavaScriptCore::Marking'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000010eee98ff libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 47
    frame #3: 0x000000011a8ae80b JavaScriptCore`JSC::GCThread::waitForNextPhase() + 171
    frame #4: 0x000000011a8ae8a8 JavaScriptCore`JSC::GCThread::gcThreadMain() + 88
    frame #5: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #6: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #24: tid = 0x4096fc, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'JavaScriptCore::Marking'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000010eee98ff libc++.1.dylib`std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 47
    frame #3: 0x000000011a8ae80b JavaScriptCore`JSC::GCThread::waitForNextPhase() + 171
    frame #4: 0x000000011a8ae8a8 JavaScriptCore`JSC::GCThread::gcThreadMain() + 88
    frame #5: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #6: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #25: tid = 0x4096fd, 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'WebCore: CFNetwork Loader'
    frame #0: 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x0000000113a607c7 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x0000000112cfcb64 CoreFoundation`__CFRunLoopServiceMachPort + 212
    frame #3: 0x0000000112cfbfbf CoreFoundation`__CFRunLoopRun + 1295
    frame #4: 0x0000000112cfb828 CoreFoundation`CFRunLoopRunSpecific + 488
    frame #5: 0x000000011947b46d WebCore`WebCore::runLoaderThread(void*) + 349
    frame #6: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #7: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #8: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #9: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #10: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #26: tid = 0x40974a, 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'AVAudioSession Notify Thread'
    frame #0: 0x0000000113a61386 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x0000000113a607c7 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x0000000112cfcb64 CoreFoundation`__CFRunLoopServiceMachPort + 212
    frame #3: 0x0000000112cfbfbf CoreFoundation`__CFRunLoopRun + 1295
    frame #4: 0x0000000112cfb828 CoreFoundation`CFRunLoopRunSpecific + 488
    frame #5: 0x0000000113d905e7 libAVFAudio.dylib`GenericRunLoopThread::Entry(void*) + 189
    frame #6: 0x0000000113d66034 libAVFAudio.dylib`CAPThread::Entry(CAPThread*) + 80
    frame #7: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #8: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #9: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #27: tid = 0x409760, 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10, name = 'DFG Worklist Worker Thread'
    frame #0: 0x0000000113a66eb2 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x0000000113a2c150 libsystem_pthread.dylib`_pthread_cond_wait + 767
    frame #2: 0x000000011a8923ab JavaScriptCore`JSC::DFG::Worklist::runThread(JSC::DFG::ThreadData*) + 235
    frame #3: 0x000000011ac0a232 JavaScriptCore`WTF::threadEntryPoint(void*) + 178
    frame #4: 0x000000011ac0a68f JavaScriptCore`WTF::wtfThreadEntryPoint(void*) + 15
    frame #5: 0x0000000113a2bc13 libsystem_pthread.dylib`_pthread_body + 131
    frame #6: 0x0000000113a2bb90 libsystem_pthread.dylib`_pthread_start + 168
    frame #7: 0x0000000113a29375 libsystem_pthread.dylib`thread_start + 13

  thread #28: tid = 0x409893, 0x0000000113a676de libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x0000000113a676de libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x0000000113a2b729 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x0000000113a29365 libsystem_pthread.dylib`start_wqthread + 13

  thread #29: tid = 0x4098b4, 0x0000000113a676de libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x0000000113a676de libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x0000000113a2b729 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x0000000113a29365 libsystem_pthread.dylib`start_wqthread + 13

  thread #30: tid = 0x4098b7, 0x0000000113a676de libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x0000000113a676de libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x0000000113a2b729 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x0000000113a29365 libsystem_pthread.dylib`start_wqthread + 13
@nlutsenko
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Hey @xaphod, thanks for the report and sorry for a delayed response.
This looks very much related to #11. Closing this one in favor of tracking a bigger issue.
Thank you for attaching a stack trace here, it helps a lot!

@nlutsenko nlutsenko self-assigned this Jan 19, 2016
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@nlutsenko @xaphod