237559 2022-03-07 14:50:59 -0800 [ iOS Debug ] fast/canvas/webgl/index-validation-with-resized-buffer.html is a flaky failure 2022-03-11 11:03:25 -0800 1 1 1 Unclassified WebKit WebGL WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 237372 1 Morningstar webkit-unassigned ap dino kbr kkinnunen webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1848981 0 Morningstar 2022-03-07 14:50:59 -0800 fast/canvas/webgl/index-validation-with-resized-buffer.html Is a flaky failure on iOS Debug queues. Failure appears to originate around r289703 but further investigation is needed to identify regression point. HISTORY: https://results.webkit.org/?suite=layout-tests&test=fast%2Fcanvas%2Fwebgl%2Findex-validation-with-resized-buffer.html&platform=ios DIFF: --- /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/fast/canvas/webgl/index-validation-with-resized-buffer-expected.txt +++ /Volumes/Data/worker/ios-simulator-15-debug-tests-wk2/build/layout-test-results/fast/canvas/webgl/index-validation-with-resized-buffer-actual.txt @@ -1,16 +1,16 @@ +CONSOLE MESSAGE: WebGL: INVALID_VALUE: shaderSource: attempt to use a deleted program or shader +CONSOLE MESSAGE: WebGL: INVALID_VALUE: compileShader: attempt to use a deleted program or shader +CONSOLE MESSAGE: WebGL: INVALID_VALUE: getShaderParameter: attempt to use a deleted program or shader +CONSOLE MESSAGE: WebGL: INVALID_VALUE: getShaderInfoLog: attempt to use a deleted program or shader +CONSOLE MESSAGE: *** Error compiling shader '[object WebGLShader]':null +CONSOLE MESSAGE: TypeError: null is not an object (evaluating 'gl.NO_ERROR') Test that updating the size of a vertex buffer is properly noticed by the WebGL implementation. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". -PASS getError was expected value: NO_ERROR : after initialization -PASS getError was expected value: NO_ERROR : after vertex setup -PASS getError was expected value: NO_ERROR : after texture coord setup -PASS getError was expected value: NO_ERROR : after vertex redefinition -PASS getError was expected value: NO_ERROR : after texture coordinate / color redefinition -PASS getError was expected value: NO_ERROR : after setting up indices -PASS getError was expected value: NO_ERROR : after drawing - -PASS successfullyParsed is true +*** Error compiling shader '[object WebGLShader]':null +FAIL successfullyParsed should be true. Was false. +Some tests failed. TEST COMPLETE DIFF-URL: https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r290888%20(1860)/fast/canvas/webgl/index-validation-with-resized-buffer-diff.txt 1848982 1 webkit-bug-importer 2022-03-07 14:51:26 -0800 <rdar://problem/89931080> 1849856 2 kbr 2022-03-09 14:55:28 -0800 Could these failures stem from the GPU process crashing unexpectedly? 1849878 3 Morningstar 2022-03-09 15:31:35 -0800 (In reply to Kenneth Russell from comment #2) > Could these failures stem from the GPU process crashing unexpectedly? They look as if they could've been tangentially related to https://bugs.webkit.org/show_bug.cgi?id=237372 as after that fix, these appear to no longer be failing. 1849897 4 kbr 2022-03-09 15:51:54 -0800 Thanks for the info - interesting, but good that these are probably not real failures. 1850572 5 Morningstar 2022-03-11 11:03:25 -0800 Failure appears resolved as of 3/7/22