Bug 44196 - Profiler crashes upon startup.
Summary: Profiler crashes upon startup.
Status: RESOLVED DUPLICATE of bug 44287
Alias: None
Product: Profiler
Classification: Xamarin
Component: Android ()
Version: 0.34.x
Hardware: PC Windows
: High critical
Target Milestone: (C8)
Assignee: Rodrigo Moya
Depends on:
Reported: 2016-09-12 15:41 UTC by Brad Chase
Modified: 2016-09-19 15:39 UTC (History)
4 users (show)

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

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Description Brad Chase 2016-09-12 15:41:44 UTC
As soon as the app is deployed, the profiler starts ticking.  Once it loads on the tablet this comes up:

DEBUG[2016-09-09 15:49:21Z]: Finished
INFO[2016-09-09 15:49:21Z]: CurrentRun.Finished for com.Company.App
ERROR[2016-09-09 15:49:21Z]: error occured on run com.Company.App Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: chunkLength
ERROR[2016-09-09 15:49:21Z]: Error occured on run com.Company.App: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: chunkLength
DEBUG[2016-09-09 15:49:21Z]: Stopping profiler log reader
INFO[2016-09-09 15:49:52Z]: Creating android run for com.Company.App|md556783ced3debcf02de6e19e61a1661d4.MainActivity target on device Hi120Q64G45160403778
DEBUG[2016-09-09 15:49:52Z]: Progress report initialized successfully
INFO[2016-09-09 15:49:52Z]: StartRecording for com.Company.App
DEBUG[2016-09-09 15:49:53Z]: Opening C:\Users\bwchase\AppData\Local\Temp\pd0tzhae.mlpd
DEBUG[2016-09-09 15:49:53Z]: reading log header
INFO[2016-09-09 15:49:53Z]: read header with format version 11
DEBUG[2016-09-09 15:49:53Z]: reading file C:\Users\bwchase\AppData\Local\Temp\pd0tzhae.mlpd
DEBUG[2016-09-09 15:49:53Z]: Forwarding port 60468 to Android device CHUWI CW-Hi12
DEBUG[2016-09-09 15:49:55Z]: thread at 4151926400 loaded
ERROR[2016-09-09 15:49:55Z]: error while reading buffer
System.ArgumentNullException: Value cannot be null.
Parameter name: key
at System.Collections.Concurrent.ConcurrentDictionary`2.TryGetValue(TKey key, TValue& value)
at XamarinProfiler.Core.Metadata.Store.SamplesStore.AddSample(SampleType type, UInt64 timestamp, CallTreeNode node)
at XamarinProfiler.Core.Metadata.Store.ProfileListener.ProcessSampleHit(BufferDescriptor buffer, UInt64 timestamp, SampleType sampleType, Int64 threadId, Int64[] instructionPointers, Int64[] managedBacktrace)
at XamarinProfiler.Core.Reader.EventReader.ReadSampleHitEvent(LogReader reader, BufferDescriptor buffer, Byte extendedInfo, IEventProcessor processor)
at XamarinProfiler.Core.Reader.LogReader.d__30.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at XamarinProfiler.Core.Metadata.Store.ProfileListener.d__33.MoveNext()

And then bombs out.  This happens on all of our tablets (Samsung, CHUWI, Emulators, ASUS, ... )
Comment 1 Rodrigo Moya 2016-09-19 15:39:31 UTC

*** This bug has been marked as a duplicate of bug 44287 ***