[Webkit-unassigned] [Bug 215817] New: [ macOS Release ] webgl/2.0.0/conformance2/textures/canvas_sub_rectangle/tex-2d-rgb32f-rgb-float.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=215817

            Bug ID: 215817
           Summary: [ macOS Release ]
                    webgl/2.0.0/conformance2/textures/canvas_sub_rectangle
                    /tex-2d-rgb32f-rgb-float.html is a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: hector_i_lopez at apple.com

Created attachment 407211

  --> https://bugs.webkit.org/attachment.cgi?id=407211&action=review

Diff file

webgl/2.0.0/conformance2/textures/canvas_sub_rectangle/tex-2d-rgb32f-rgb-float.html

Test is a flaky failure according to history on macOS Release. First occurrence of failure is at r261698.

History:
https://results.webkit.org/?suite=layout-tests&test=webgl%2F2.0.0%2Fconformance2%2Ftextures%2Fcanvas_sub_rectangle%2Ftex-2d-rgb32f-rgb-float.html&platform=mac&style=release&limit=50000

Diff:
--- /Volumes/Data/slave/mojave-release-tests-wk1/build/layout-test-results/webgl/2.0.0/conformance2/textures/canvas_sub_rectangle/tex-2d-rgb32f-rgb-float-expected.txt
+++ /Volumes/Data/slave/mojave-release-tests-wk1/build/layout-test-results/webgl/2.0.0/conformance2/textures/canvas_sub_rectangle/tex-2d-rgb32f-rgb-float-actual.txt
@@ -1,4 +1,904 @@
 This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.

 Test: ../../../resources/webgl_test_files/conformance2/textures/canvas_sub_rectangle/tex-2d-rgb32f-rgb-float.html
-[ PASS ] All tests passed
+

+[ 449: PASS ] getError was expected value: NO_ERROR : should be no errors

+[ 506: FAIL ] should be 255,0,0 at (0, 0) expected: 255,0,0 was 0,0,0
+[ 507: FAIL ] should be 255,0,0 at (16, 0) expected: 255,0,0 was 0,0,0
+[ 508: FAIL ] should be 255,0,0 at (0, 16) expected: 255,0,0 was 0,0,0
+[ 509: FAIL ] should be 255,0,0 at (16, 16) expected: 255,0,0 was 0,0,0

+[ 898: PASS ] getError was expected value: NO_ERROR : should be no errors
+[ 899: PASS ] successfullyParsed is true
+[ FAIL ] 4 failures reported

See attachment for whole text file.

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