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<p class="MsoNormal">The EnumType failure was fixed by 9c7b4038d3243cfc48eb5eb9b7f910677f2efdc5<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On 7/31/17, 13:28, "Joe Stroman" <<a href="mailto:jostrom@microsoft.com">jostrom@microsoft.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Adding mono-devel-list<o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Sent from <a href="http://aka.ms/weboutlook">
Outlook</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="color:black">From:</span></b><span style="color:black"> Joe Stroman<br>
<b>Sent:</b> Monday, July 31, 2017 1:24:21 PM<br>
<b>To:</b> Xamarin - runtime<br>
<b>Subject:</b> Mono Weather Report 2017-07-31</span> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <o:p></o:p></p>
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<p style="margin-left:.5in"><span style="color:black">Salutations, all. Xamarin Release Engineering here with this week’s edition of the Mono Weather Report.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">Here are the top failures currently making Jenkins builds unstable:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><b><span style="color:black">1. </span></b><b><span style="font-size:10.5pt;font-family:"Helvetica Neue",sans-serif;color:black">MonoTests.EvaluatorTest.TypesTest.EnumType</span><span style="color:black"> [</span><span style="color:red">New</span><span style="color:black">]</span></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">Occurred 60 times across each lane/architecture.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<pre style="margin-left:.5in;white-space:pre-wrap;word-wrap: break-word"><span style="font-family:"Calibri",sans-serif;color:#333333">MESSAGE:<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">                                                Mono.CSharp.InternalErrorException : (1,110): TestEnum<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  ----> System.NullReferenceException : Object reference not set to an instance of an object<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">                                                +++++++++++++++++++<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">                                                STACK TRACE:<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">                                                  at Mono.CSharp.TypeDefinition.CloseContainer () [0x00066] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/class.cs:2313 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.TypeContainer.CloseContainer () [0x0001d] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/class.cs:222 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.TypeContainer.CloseContainer () [0x0001d] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/class.cs:222 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.ModuleContainer.CloseContainer () [0x0006b] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/module.cs:529 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.Evaluator.CompileBlock (Mono.CSharp.Class host, Mono.CSharp.Undo undo, Mono.CSharp.Report Report) [0x002ac] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/eval.cs:791 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.Evaluator.Compile (System.String input, Mono.CSharp.CompiledMethod& compiled) [0x000ba] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/eval.cs:268 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.Evaluator.Evaluate (System.String input, System.Object& result, System.Boolean& result_set) [0x00006] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/eval.cs:359 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at Mono.CSharp.Evaluator.Run (System.String statement) [0x00000] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/mcs/eval.cs:464 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at MonoTests.EvaluatorTest.TypesTest.EnumType () [0x00000] in /Users/builder/jenkins/workspace/test-mono-mainline/label/osx-i386/mcs/class/Mono.CSharp/Test/Evaluator/TypesTest.cs:132 <o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="font-family:"Calibri",sans-serif;color:#333333">  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke <o:p></o:p></span></pre>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="margin-left:.5in"><b> </b><b><span style="font-size:12.0pt"><o:p></o:p></span></b></p>
<p style="margin-left:.5in"><b>2. MonoTests.System.Net.Sockets.SocketTest.SendAsyncFile [<span style="color:red">Existing</span>]</b><b><span style="font-size:12.0pt"><o:p></o:p></span></b></p>
<p style="margin-left:.5in"><b>                                                                                    </b><b><span style="font-size:12.0pt"><o:p></o:p></span></b></p>
<p style="margin-left:.5in">Filed as <a href="https://bugzilla.xamarin.com/show_bug.cgi?id=43172" target="_blank"><span style="color:#0563C1">https://bugzilla.xamarin.com/show_bug.cgi?id=43172</span></a> , currently unassigned.<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">This has been failing for a very long time. It used to only occurs on Linux but on Linux it fails over 20% of the time. (It has also been seen on Android.) It is possible this is only an issue in CI (see akoeplinger note in bug). <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">The failure is consistent and looks like:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">                                                MESSAGE:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">                                                System.Exception : Could not abort registered blocking threads before closing socket.<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">Thread StackTrace:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">  at System.Net.Sockets.SafeSocketHandle.RegisterForBlockingSyscall () [0x00057] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/System/System.Net.Sockets/SafeSocketHandle.cs:114 <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">  at System.Net.Sockets.Socket.SendFile_internal (System.Net.Sockets.SafeSocketHandle safeHandle, System.String filename, System.Byte[] pre_buffer, System.Byte[] post_buffer, System.Net.Sockets.TransmitFileOptions flags) [0x00000]
 in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/System/System.Net.Sockets/Socket.cs:2944 <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">  at System.Net.Sockets.Socket.SendFile (System.String fileName, System.Byte[] preBuffer, System.Byte[] postBuffer, System.Net.Sockets.TransmitFileOptions flags) [0x00028] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/System/System.Net.Sockets/Socket.cs:2893<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">[snip] <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">Recent Examples:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=debian-8-armhf/2703/testReport/(root)/SocketTest/SendAsyncFile/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=debian-8-armhf/2703/testReport/(root)/SocketTest/SendAsyncFile/</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2695/testReport/(root)/SocketTest/SendAsyncFile/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2695/testReport/(root)/SocketTest/SendAsyncFile/</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-i386/2695/testReport/(root)/SocketTest/SendAsyncFile/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-i386/2695/testReport/(root)/SocketTest/SendAsyncFile/</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><b>3. Timeouts during `make -w -C mcs/class/Mono.Debugger.Soft run-test` [<span style="color:red">Existing</span>]</b><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">Occurred 10 times this week exclusively on Windows Intel64. No immediately useful stacks, the test that times out is `<span style="font-size:10.0pt;font-family:"Courier New",serif"> </span>MonoTests.DebuggerTests.InspectThreadSuspenedOnWaitOne`.<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">Examples:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/z/label=w64/5313/parsed_console/log_content.html#WARNING2"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5313/parsed_console/log_content.html#WARNING2</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/z/label=w64/5312/parsed_console/log_content.html#WARNING2"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5312/parsed_console/log_content.html#WARNING2</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/z/label=w64/5304/parsed_console/log_content.html#WARNING2"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5304/parsed_console/log_content.html#WARNING2</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><b><span style="color:black">4. MonoTests.DebuggerTests.Dispose [</span><span style="color:red">Existing</span><span style="color:black">]</span></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">Occurred 4 times this week on Linux.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">MESSAGE:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                  Expected: 3</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  But was:  134</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">TearDown : Mono.Debugger.Soft.VMDisconnectedException : Exception of type 'Mono.Debugger.Soft.VMDisconnectedException' was thrown.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                +++++++++++++++++++</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                STACK TRACE:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                  at MonoTests.DebuggerTests.Dispose () [0x00043] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/Mono.Debugger.Soft/Test/dtest.cs:2339
</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  at System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
 [0x00032] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/corlib/System.Reflection/MonoMethod.cs:305
</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><br>
Recent Examples:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2686/testReport/(root)/DebuggerTests/Dispose/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2686/testReport/(root)/DebuggerTests/Dispose/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=debian-8-armhf/2686/testReport/(root)/DebuggerTests/Dispose/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=debian-8-armhf/2686/testReport/(root)/DebuggerTests/Dispose/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=debian-8-armel/2667/testReport/(root)/DebuggerTests/Dispose/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=debian-8-armel/2667/testReport/(root)/DebuggerTests/Dispose/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2692/testReport/(root)/DebuggerTests/Dispose/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2692/testReport/(root)/DebuggerTests/Dispose/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><b>5. Build errors in `make -w -C mono/tests -j4 tests` [<span style="color:red">Existing</span>]</b><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">Occurred 4 times this week exclusively on Windows (in the past it also happened on Mac Intel64). The error is different and looks like:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">make[2]: *** [Makefile:1668: delegate5.exe] Error 255<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in">Examples:<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/z/label=w64/5308/parsed_console/log_content.html#WARNING1"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5308/parsed_console/log_content.html#WARNING1</span></a><br>
<a href="https://jenkins.mono-project.com/job/z/label=w64/5305/parsed_console/log_content.html#WARNING1"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5305/parsed_console/log_content.html#WARNING1</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/z/label=w64/5303/parsed_console/log_content.html#WARNING1"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5303/parsed_console/log_content.html#WARNING1</span></a><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"> <span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><b>6. Failures in `<span class="invocation"><span style="color:black">make -w -C mcs -j4 mono-api-diff</span></span>` [<span style="color:red">New</span>]</b><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p style="margin-left:.5in">Occured 3 times on Linux intel64<span style="font-size:12.0pt"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<pre style="margin-left:.5in;white-space:pre-wrap;word-wrap: break-word"><span style="color:#333333">Error: Found public API differences, see mcs/apidiff/index.html. If the changes are intentional, please go to external/api-snapshot and commit them.<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">make[1]: *** [mono-api-diff] Error 1<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">make[1]: Leaving directory `/mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs'<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">/mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/scripts/ci/babysitter: Test suite terminated with code 2, and suite cannot report test case data. Halting.<o:p></o:p></span></pre>
<pre style="margin-left:.5in;white-space:pre-wrap;word-wrap: break-word"><span style="color:#333333"><o:p> </o:p></span></pre>
<p class="MsoNormal" style="margin-left:.5in"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2719/parsed_console/log_content.html#ERROR1"><span style="font-size:12.0pt">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2719/parsed_console/log_content.html#ERROR1</span></a>
<o:p></o:p></p>
<div>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
</div>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="margin-left:.5in"><b><span style="color:black">7. Failures running `make -w -C mcs/class/System.Xaml run-test` [</span><span style="color:red">New</span><span style="color:black">]</span></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:10.5pt;color:#333333">Occurred 3 times last week on Linux.</span><o:p></o:p></p>
<p style="margin-left:.5in"><o:p> </o:p></p>
<pre style="margin-left:.5in;white-space:pre-wrap;word-wrap: break-word"><span style="color:#333333">Stacktrace:<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333"><o:p> </o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">  at <unknown> <0xffffffff><o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">  at (wrapper managed-to-native) System.Threading.WaitHandle.Wait_internal (intptr*,int,bool,int) [0x00004] in <9dc2c85efa164e0d95c2b05bab569a9b>:0<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">  at System.Threading.WaitHandle.WaitOneNative (System.Runtime.InteropServices.SafeHandle,uint,bool,bool) [0x00019] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/corlib/System.Threading/WaitHandle.cs:106<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">  at System.Threading.WaitHandle.InternalWaitOne (System.Runtime.InteropServices.SafeHandle,long,bool,bool) [0x00014] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/referencesource/mscorlib/system/threading/waithandle.cs:250<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">  at System.Threading.WaitHandle.WaitOne (long,bool) [0x00000] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/referencesource/mscorlib/system/threading/waithandle.cs:239<o:p></o:p></span></pre>
<pre style="margin-left:.5in"><span style="color:#333333">  at System.Threading.WaitHandle.WaitOne (int,bool) [0x00019] in /mnt/jenkins/workspace/test-mono-mainline-linux/label/ubuntu-1404-amd64/mcs/class/referencesource/mscorlib/system/threading/waithandle.cs:206<o:p></o:p></span></pre>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
<p style="margin-left:.5in"><span style="font-size:10.5pt;color:#333333"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2721/parsed_console/log_content.html#WARNING1">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-amd64/2721/parsed_console/log_content.html#WARNING1</a></span><o:p></o:p></p>
<p style="margin-left:.5in"><span style="color:#333333"><a href="https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-i386/2728/parsed_console/log_content.html#WARNING2">https://jenkins.mono-project.com/job/test-mono-mainline-linux/label=ubuntu-1404-i386/2728/parsed_console/log_content.html#WARNING2</a></span><o:p></o:p></p>
<p style="margin-left:.5in"><o:p> </o:p></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
<p style="margin-left:.5in"><b><span style="color:black">8</span></b><span style="color:black">.
<b>Regression in MonoTests.System.Threading.WaitHandleTest.WaitAnyWithSecondMutexAbandoned [</b></span><b><span style="color:red">Existing</span><span style="color:black">]</span></b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">Occurred 3 times this week exclusively on Windows.</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">   MESSAGE:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                System.ApplicationException : Mutex is not owned</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                +++++++++++++++++++</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                STACK TRACE:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">                                                  at System.Threading.Mutex.ReleaseMutex () [0x00018] in D:\j\workspace\z\label\w64\mcs\class\corlib\System.Threading\Mutex.cs:207</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  at (wrapper remoting-invoke-with-check) System.Threading.Mutex:ReleaseMutex ()</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  at MonoTests.System.Threading.WaitHandleTest.WaitAnyWithSecondMutexAbandoned () [0x00170] in D:\j\workspace\z\label\w64\mcs\class\corlib\Test\System.Threading\WaitHandleTest.cs:519</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&)</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">  at System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
 [0x00032] in D:\j\workspace\z\label\w64\mcs\class\corlib\System.Reflection\MonoMethod.cs:305</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black">Examples:</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/z/label=w64/5312/testReport/(root)/WaitHandleTest/WaitAnyWithSecondMutexAbandoned/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5312/testReport/(root)/WaitHandleTest/WaitAnyWithSecondMutexAbandoned/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/z/label=w64/5311/testReport/(root)/WaitHandleTest/WaitAnyWithSecondMutexAbandoned/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w64/5311/testReport/(root)/WaitHandleTest/WaitAnyWithSecondMutexAbandoned/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"><a href="https://jenkins.mono-project.com/job/z/label=w32/5307/testReport/(root)/WaitHandleTest/WaitAnyWithSecondMutexAbandoned/"><span style="color:#0563C1">https://jenkins.mono-project.com/job/z/label=w32/5307/testReport/(root)/WaitHandleTest/WaitAnyWithSecondMutexAbandoned/</span></a></span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="color:black"> </span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p style="margin-left:.5in"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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