Bug 40597 - App crashing in xamarin_initialize
Summary: App crashing in xamarin_initialize
Status: RESOLVED NORESPONSE
Alias: None
Product: iOS
Classification: Xamarin
Component: Mono runtime / AOT compiler ()
Version: XI 9.4 (iOS 9.2)
Hardware: PC Windows
: --- normal
Target Milestone: Untriaged
Assignee: Zoltan Varga
URL:
Depends on:
Blocks:
 
Reported: 2016-04-21 09:05 UTC by softlion
Modified: 2016-06-23 13:50 UTC (History)
6 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
RESOLVED NORESPONSE

Description softlion 2016-04-21 09:05:32 UTC
This happens when the app is "restored" after a long time in background (a few hours, especially during night).

Version info:
Microsoft Visual Studio Professional 2015
Version 14.0.25123.00 Update 2
Microsoft .NET Framework
Version 4.6.01038

Xamarin   4.1.0.313 (514438c)
Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin.iOS   9.8.0.244 (977921b)
Visual Studio extension to enable development for Xamarin.iOS.


The crash report is from Xamarin Insights, from a testflight build.
It also happens in debug mode (on device).


SIGABRTCrash in xamarin_initialize
0 libsystem_kernel.dylib __pthread_kill (in libsystem_kernel.dylib) + 8
1 libsystem_c.dylib abort (in libsystem_c.dylib) + 140
2 RadiosIos xamarin_initialize (in d00653992ec231d8b3761c50af7d71b9) (runtime.m:938)
3 RadiosIos mono_invoke_unhandled_exception_hook (in d00653992ec231d8b3761c50af7d71b9) (mini-exceptions.c:2786)
4 RadiosIos mono_handle_exception_internal (in d00653992ec231d8b3761c50af7d71b9) (mini-exceptions.c:1727)
5 RadiosIos mono_resume_unwind (in d00653992ec231d8b3761c50af7d71b9) (mini-exceptions.c:2494)
6 RadiosIos mono_arm_resume_unwind (in d00653992ec231d8b3761c50af7d71b9) (exceptions-arm64.c:403)
7 RadiosIos llvm_resume_unwind_trampoline (in d00653992ec231d8b3761c50af7d71b9) + 168
8 RadiosIos Xamarin_iOS_Foundation_RegisterAttribute__ctor (in d00653992ec231d8b3761c50af7d71b9) + 0
9 RadiosIos wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in d00653992ec231d8b3761c50af7d71b9) + 244
10 RadiosIos mono_jit_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (mini-runtime.c:2564)
11 RadiosIos mono_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (object.c:2897)
12 RadiosIos native_to_managed_trampoline_3() (in d00653992ec231d8b3761c50af7d71b9) + 208
13 RadiosIos -[__MonoMac_NSAsyncActionDispatcher xamarinApplySelector] (in d00653992ec231d8b3761c50af7d71b9) + 60
14 Foundation __NSThreadPerformPerform (in Foundation) + 340
15 CoreFoundation __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (in CoreFoundation) + 24
16 CoreFoundation __CFRunLoopDoSources0 (in CoreFoundation) + 540
17 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 724
18 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
19 GraphicsServices GSEventRunModal (in GraphicsServices) + 180
20 UIKit UIApplicationMain (in UIKit) + 204
21 RadiosIos wrapper_managed_to_native_UIKit_UIApplication_UIApplicationMain_int_string___intptr_intptr (in d00653992ec231d8b3761c50af7d71b9) + 324
22 RadiosIos Xamarin_iOS_UIKit_UIApplication_Main_string___string_string (in d00653992ec231d8b3761c50af7d71b9) + 156
23 RadiosIos RadiosIos_Radios_Ios_Application_Main_string__ (in d00653992ec231d8b3761c50af7d71b9) + 228
24 RadiosIos wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in d00653992ec231d8b3761c50af7d71b9) + 244
25 RadiosIos mono_jit_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (mini-runtime.c:2564)
26 RadiosIos mono_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (object.c:2897)
27 RadiosIos mono_runtime_exec_main (in d00653992ec231d8b3761c50af7d71b9) (object.c:4221)
28 RadiosIos xamarin_main (in d00653992ec231d8b3761c50af7d71b9) (monotouch-main.m:454)
29 RadiosIos main (in d00653992ec231d8b3761c50af7d71b9) + 96
30 libdyld.dylib start (in libdyld.dylib) + 4
Comment 1 Sebastien Pouliot 2016-04-21 17:15:19 UTC
Can you attach the symbolicated crash report ? it will provide a few more details that could prove useful.

Also is this something you can duplicate easily ? and can you share a test case with us so we can duplicate ?
Comment 2 softlion 2016-04-21 17:28:17 UTC
Isn't that the symbolicated crash report already ?

And well no, it is not easily reproductible.

It may be related with memory full, though, as i have another strange behavior in this app, which looks like a memory allocation problem of iOS resources (not of mono resources though).
Comment 3 Sebastien Pouliot 2016-04-21 17:48:06 UTC
It seems partially symbolicated (like you can have in device logs, not from Xcode device windows, but that varies but crash) and it's also incomplete (no header, no state about what the other threads were doing at the time).

> It may be related with memory full

The headers of the crash report can be useful to determine this. It also tell us the device type and the arch (32 vs 64) in case it's related to the JIT/AOT...
Comment 4 softlion 2016-04-21 18:51:34 UTC
I will upload a new dsym to Insights.

Here is the trace for the other threads which you may find useful until i do it:

Thread 1
0 libsystem_kernel.dylib kevent_qos (in libsystem_kernel.dylib) + 8
1 libdispatch.dylib _dispatch_source_invoke (in libdispatch.dylib) + 0
Thread 2
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos thread_func (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:106)
2 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
3 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
4 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 3
0 libsystem_kernel.dylib semaphore_wait_trap (in libsystem_kernel.dylib) + 8
1 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
2 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
3 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
5 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 4
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos _wapi_handle_timedwait_signal_handle (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:134)
2 RadiosIos wapi_WaitForSingleObjectEx (in d00653992ec231d8b3761c50af7d71b9) (wait.c:187)
3 RadiosIos mono_wait_uninterrupted (in d00653992ec231d8b3761c50af7d71b9) (threads.c:1518)
4 RadiosIos ves_icall_System_Threading_WaitHandle_WaitOne_internal (in d00653992ec231d8b3761c50af7d71b9) (threads.c:1652)
5 RadiosIos wrapper_managed_to_native_System_Threading_WaitHandle_WaitOne_internal_System_Threading_WaitHandle_intptr_int_bool (in d00653992ec231d8b3761c50af7d71b9) + 128
6 RadiosIos WaitOne (in d00653992ec231d8b3761c50af7d71b9) (WaitHandle.cs:375)
7 RadiosIos WaitOne (in d00653992ec231d8b3761c50af7d71b9) (WaitHandle.cs:388)
8 RadiosIos SchedulerThread (in d00653992ec231d8b3761c50af7d71b9) (Timer.cs:395)
9 RadiosIos ThreadStart_Context (in d00653992ec231d8b3761c50af7d71b9) (thread.cs:72)
10 RadiosIos RunInternal (in d00653992ec231d8b3761c50af7d71b9) (executioncontext.cs:957)
11 RadiosIos Run (in d00653992ec231d8b3761c50af7d71b9) (executioncontext.cs:893)
12 RadiosIos ThreadStart (in d00653992ec231d8b3761c50af7d71b9) (thread.cs:109)
13 RadiosIos wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in d00653992ec231d8b3761c50af7d71b9) + 244
14 RadiosIos mono_jit_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (mini-runtime.c:2564)
15 RadiosIos mono_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (object.c:2897)
16 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:740)
17 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
18 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
19 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
20 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 5
0 libsystem_kernel.dylib mach_msg_trap (in libsystem_kernel.dylib) + 8
1 CoreFoundation __CFRunLoopServiceMachPort (in CoreFoundation) + 196
2 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 1032
3 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
4 Foundation -[NSRunLoop(NSRunLoop) runMode:beforeDate:] (in Foundation) + 308
5 Foundation -[NSRunLoop(NSRunLoop) run] (in Foundation) + 88
6 RadiosIos +[GAI threadMain:] (in d00653992ec231d8b3761c50af7d71b9) + 64
7 Foundation __NSThread__start__ (in Foundation) + 1000
8 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
9 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
10 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 6
0 libsystem_kernel.dylib semaphore_wait_trap (in libsystem_kernel.dylib) + 8
1 MediaToolbox fpa_AsyncMovieControlThread (in MediaToolbox) + 1948
2 CoreMedia figThreadMain (in CoreMedia) + 272
3 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
5 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 7
0 libsystem_kernel.dylib select$DARWIN_EXTSN (in libsystem_kernel.dylib) + 8
1 RadiosIos poll_event_wait (in d00653992ec231d8b3761c50af7d71b9) (threadpool-ms-io-poll.c:152)
2 RadiosIos selector_thread (in d00653992ec231d8b3761c50af7d71b9) (threadpool-ms-io.c:415)
3 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
4 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
6 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
7 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 8
0 libsystem_kernel.dylib mach_msg_trap (in libsystem_kernel.dylib) + 8
1 CoreFoundation __CFRunLoopServiceMachPort (in CoreFoundation) + 196
2 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 1032
3 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
4 libAVFAudio.dylib GenericRunLoopThread::Entry() (in libAVFAudio.dylib) + 164
5 libAVFAudio.dylib CAPThread::Entry() (in libAVFAudio.dylib) + 84
6 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
7 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
8 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 9
0 libsystem_kernel.dylib mach_msg_trap (in libsystem_kernel.dylib) + 8
1 CoreFoundation __CFRunLoopServiceMachPort (in CoreFoundation) + 196
2 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 1032
3 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
4 CFNetwork +[NSURLConnection(Loader) _resourceLoadLoop:] (in CFNetwork) + 412
5 Foundation __NSThread__start__ (in Foundation) + 1000
6 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
7 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
8 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 10
0 libsystem_kernel.dylib select$DARWIN_EXTSN (in libsystem_kernel.dylib) + 8
1 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
2 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
3 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 11
0 libsystem_kernel.dylib mach_msg_trap (in libsystem_kernel.dylib) + 8
1 CoreFoundation __CFRunLoopServiceMachPort (in CoreFoundation) + 196
2 CoreFoundation __CFRunLoopRun (in CoreFoundation) + 1032
3 CoreFoundation CFRunLoopRunSpecific (in CoreFoundation) + 384
4 AudioToolbox GenericRunLoopThread::Entry() (in AudioToolbox) + 164
5 AudioToolbox CAPThread::Entry() (in AudioToolbox) + 124
6 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
7 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
8 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 12
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos worker_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:134)
2 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
3 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
6 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 13
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos worker_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:134)
2 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
3 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
6 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 14
0 libsystem_kernel.dylib connect (in libsystem_kernel.dylib) + 8
1 RadiosIos ves_icall_System_Net_Sockets_Socket_Connect_internal (in d00653992ec231d8b3761c50af7d71b9) (socket-io.c:1286)
2 RadiosIos wrapper_managed_to_native_System_Net_Sockets_Socket_Connect_internal_intptr_System_Net_SocketAddress_int_ (in d00653992ec231d8b3761c50af7d71b9) + 112
3 RadiosIos System_System_Net_Sockets_Socket_Connect_internal_System_Net_Sockets_SafeSocketHandle_System_Net_SocketAddress_int_ (in d00653992ec231d8b3761c50af7d71b9) + 60
4 RadiosIos System_System_Net_Sockets_Socket_Connect_System_Net_EndPoint (in d00653992ec231d8b3761c50af7d71b9) + 240
5 RadiosIos System_Net_WebConnection_Connect_System_Net_HttpWebRequest (in d00653992ec231d8b3761c50af7d71b9) + 1140
6 RadiosIos System_System_Net_WebConnection_InitConnection_object (in d00653992ec231d8b3761c50af7d71b9) + 192
7 RadiosIos System_System_Net_WebConnection__WebConnectionm__0_object (in d00653992ec231d8b3761c50af7d71b9) + 12
8 RadiosIos WaitCallback_Context (in d00653992ec231d8b3761c50af7d71b9) (threadpool.cs:1307)
9 RadiosIos RunInternal (in d00653992ec231d8b3761c50af7d71b9) (executioncontext.cs:957)
10 RadiosIos System.Threading.IThreadPoolWorkItem.ExecuteWorkItem (in d00653992ec231d8b3761c50af7d71b9) (threadpool.cs:1284)
11 RadiosIos System_Threading_ThreadPoolWorkQueue_Dispatch (in d00653992ec231d8b3761c50af7d71b9) + 480
12 RadiosIos Xamarin_iOS_ObjCRuntime_Runtime_ThreadPoolDispatcher_System_Func_1_bool (in d00653992ec231d8b3761c50af7d71b9) + 60
13 RadiosIos PerformWaitCallback (in d00653992ec231d8b3761c50af7d71b9) (threadpool.cs:1209)
14 RadiosIos wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr (in d00653992ec231d8b3761c50af7d71b9) + 244
15 RadiosIos mono_jit_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (mini-runtime.c:2564)
16 RadiosIos mono_runtime_invoke (in d00653992ec231d8b3761c50af7d71b9) (object.c:2897)
17 RadiosIos worker_thread (in d00653992ec231d8b3761c50af7d71b9) (threadpool-ms.c:648)
18 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
19 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
20 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
21 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
22 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 15
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos worker_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:134)
2 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
3 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
6 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 16
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos worker_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:134)
2 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
3 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
6 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 17
0 libsystem_kernel.dylib __workq_kernreturn (in libsystem_kernel.dylib) + 8
1 libsystem_pthread.dylib start_wqthread (in libsystem_pthread.dylib) + 4
Thread 18
0 libsystem_kernel.dylib __workq_kernreturn (in libsystem_kernel.dylib) + 8
1 libsystem_pthread.dylib start_wqthread (in libsystem_pthread.dylib) + 4
Thread 19
0 libsystem_kernel.dylib __workq_kernreturn (in libsystem_kernel.dylib) + 8
1 libsystem_pthread.dylib start_wqthread (in libsystem_pthread.dylib) + 4
Thread 20
0 libsystem_kernel.dylib __workq_kernreturn (in libsystem_kernel.dylib) + 8
1 libsystem_pthread.dylib start_wqthread (in libsystem_pthread.dylib) + 4
Thread 21
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos worker_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:134)
2 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
3 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
4 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
6 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Thread 22
0 libsystem_kernel.dylib __psynch_cvwait (in libsystem_kernel.dylib) + 8
1 RadiosIos mono_thread_info_sleep (in d00653992ec231d8b3761c50af7d71b9) (mono-os-mutex.h:135)
2 RadiosIos monitor_thread (in d00653992ec231d8b3761c50af7d71b9) (threadpool-ms.c:887)
3 RadiosIos start_wrapper (in d00653992ec231d8b3761c50af7d71b9) (threads.c:717)
4 RadiosIos inner_start_thread (in d00653992ec231d8b3761c50af7d71b9) (mono-threads-posix.c:92)
5 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 156
6 libsystem_pthread.dylib _pthread_body (in libsystem_pthread.dylib) + 0
7 libsystem_pthread.dylib thread_start (in libsystem_pthread.dylib) + 4
Comment 5 jmelliadis 2016-05-18 16:07:25 UTC Comment hidden (obsolete)
Comment 6 Rolf Bjarne Kvinge [MSFT] 2016-05-18 17:42:04 UTC
(In reply to jmelliadis from comment #5)
> I have also seen this bug pop up on Insights recently, although I haven't
> tried to reproduce it. Here's the trace I am getting:

This is a different issue than the one originally reported here (even though at first sight it looks identical), so please file a new bug report about it.
Comment 7 Vincent Dondain [MSFT] 2016-06-23 13:50:25 UTC
We have not received the requested information. If you are still 
experiencing this issue please provide all the requested information 
and re-open the bug report. Thanks!