{"action":"closed","issue":{"url":"https://api.github.com/repos/xamarin/xamarin-macios/issues/3389","repository_url":"https://api.github.com/repos/xamarin/xamarin-macios","labels_url":"https://api.github.com/repos/xamarin/xamarin-macios/issues/3389/labels{/name}","comments_url":"https://api.github.com/repos/xamarin/xamarin-macios/issues/3389/comments","events_url":"https://api.github.com/repos/xamarin/xamarin-macios/issues/3389/events","html_url":"https://github.com/xamarin/xamarin-macios/issues/3389","id":294259996,"number":3389,"title":"[XI]MetalPerformance Shaders test failures on an iPadAir ","user":{"login":"GouriKumari","id":2000167,"avatar_url":"https://avatars3.githubusercontent.com/u/2000167?v=4","gravatar_id":"","url":"https://api.github.com/users/GouriKumari","html_url":"https://github.com/GouriKumari","followers_url":"https://api.github.com/users/GouriKumari/followers","following_url":"https://api.github.com/users/GouriKumari/following{/other_user}","gists_url":"https://api.github.com/users/GouriKumari/gists{/gist_id}","starred_url":"https://api.github.com/users/GouriKumari/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/GouriKumari/subscriptions","organizations_url":"https://api.github.com/users/GouriKumari/orgs","repos_url":"https://api.github.com/users/GouriKumari/repos","events_url":"https://api.github.com/users/GouriKumari/events{/privacy}","received_events_url":"https://api.github.com/users/GouriKumari/received_events","type":"User","site_admin":false},"labels":[{"id":770328998,"url":"https://api.github.com/repos/xamarin/xamarin-macios/labels/iOS","name":"iOS","color":"edd60e","default":false},{"id":779343576,"url":"https://api.github.com/repos/xamarin/xamarin-macios/labels/need-info","name":"need-info","color":"5f53e2","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":8,"created_at":"2018-02-05T02:56:45Z","updated_at":"2018-02-09T17:21:29Z","closed_at":"2018-02-09T17:21:29Z","author_association":"CONTRIBUTOR","body":"### Steps to Reproduce\r\n\r\n1. Build and Execute monotouch-test on an iPad Air 11.2.5  device. \r\nThe device version of iPadAir is 11.2.5 and not 8.4. \r\n\r\n\r\n### Expected Behavior\r\nAll tests pass\r\n\r\n### Actual Behavior\r\n[FAIL] KernelTest.MPSKernelCopyTest : System.Exception : Could not initialize an instance of the type 'MetalPerformanceShaders.MPSKernel': the native 'initWithDevice:' method returned nil.\r\n\t[FAIL] KernelTest.MPSRnnImageInferenceLayerCopyTest : System.Exception : Could not initialize an instance of the type 'MetalPerformanceShaders.MPSRnnImageInferenceLayer': the native 'initWithDevice:rnnDescriptor:' method returned nil.\r\n\t[FAIL] KernelTest.MPSRnnMatrixInferenceLayerTest : System.Exception : Could not initialize an instance of the type 'MetalPerformanceShaders.MPSRnnMatrixInferenceLayer': the native 'initWithDevice:rnnDescriptor:' method returned nil.\r\n\t[FAIL] MPSImageHistogramEqualizationTest.Constructors : System.Exception : Could not initialize an instance of the type 'MetalPerformanceShaders.MPSImageHistogramEqualization': the native 'initWithDevice:histogramInfo:' method returned nil.\r\n\t[FAIL] MPSImageHistogramSpecificationTest.Constructors : System.Exception : Could not initialize an instance of the type 'MetalPerformanceShaders.MPSImageHistogramSpecification': the native 'initWithDevice:histogramInfo:' method returned nil.\r\n\t[FAIL] MPSImageHistogramTest.Constructors : System.Exception : Could not initialize an instance of the type 'MetalPerformanceShaders.MPSImageHistogram': the native 'initWithDevice:histogramInfo:' method returned nil.\r\n\r\n### Environment\r\n\r\nObserved on both d15-6 and master build\r\nd15-6: Build Revision: 5b1f71685029d90d5e626fdbf6e38e429e15cff0\r\n\r\nmaster: bec116c273ab119c648522a28c3f650881ed4d9e \r\n\r\n### Build Logs\r\n\r\nhttp://xqa.blob.core.windows.net/gist/report-81276d9069974b2ca22fd8ead58b2e60.txt"}}
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