172544 2017-05-24 10:12:17 -0700 [macOS WK2] Layout Test tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler.html is flaky. 2018-07-31 17:28:43 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW https://bugs.webkit.org/show_bug.cgi?id=171935 InRadar P2 Normal --- 1 jlewis3 webkit-unassigned ap ryanhaddad simon.fraser webkit-bug-importer oldest_to_newest 1312293 0 jlewis3 2017-05-24 10:12:17 -0700 The test tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler.html is a flaky failure on macOS WK2. This does not appear to be a recent regression on macOS Sierra, but recently started failing on El Capitan on 5/12. Sierra: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=tiled-drawing%2Fscrolling%2Ffast-scroll-iframe-latched-mainframe-with-handler.html https://build.webkit.org/builders/Apple%20Sierra%20Release%20WK2%20(Tests)/builds/1732 https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r217363%20(1732)/results.html Diff: --- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler-expected.txt +++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler-actual.txt @@ -12,15 +12,15 @@ (GraphicsLayer (anchor 0.00 0.00) (bounds 785.00 2266.00) - (visible rect 0.00, 70.00 785.00 x 600.00) - (coverage rect 0.00, 70.00 785.00 x 600.00) + (visible rect 0.00, 20.00 785.00 x 600.00) + (coverage rect 0.00, 20.00 785.00 x 600.00) (intersects coverage rect 1) (contentsScale 1.00) (children 1 (GraphicsLayer (bounds 785.00 2266.00) (contentsOpaque 1) - (visible rect 0.00, 70.00 785.00 x 600.00) + (visible rect 0.00, 20.00 785.00 x 600.00) (coverage rect 0.00, 0.00 785.00 x 1800.00) (intersects coverage rect 1) (contentsScale 1.00) El Capitan: https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r216965%20(1168)/results.html https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/builds/1168 diff: --- /Volumes/Data/slave/elcapitan-debug-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler-expected.txt +++ /Volumes/Data/slave/elcapitan-debug-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler-actual.txt @@ -12,15 +12,15 @@ (GraphicsLayer (anchor 0.00 0.00) (bounds 785.00 2266.00) - (visible rect 0.00, 70.00 785.00 x 600.00) - (coverage rect 0.00, 70.00 785.00 x 600.00) + (visible rect 0.00, 20.00 785.00 x 600.00) + (coverage rect 0.00, 20.00 785.00 x 600.00) (intersects coverage rect 1) (contentsScale 1.00) (children 1 (GraphicsLayer (bounds 785.00 2266.00) (contentsOpaque 1) - (visible rect 0.00, 70.00 785.00 x 600.00) + (visible rect 0.00, 20.00 785.00 x 600.00) (coverage rect 0.00, 0.00 785.00 x 1800.00) (intersects coverage rect 1) (contentsScale 1.00) 1312294 1 jlewis3 2017-05-24 10:14:02 -0700 I was able to reproduce on Sierra Release WK2 with: run-webkit-tests tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-with-handler.html --iterations=500 --no-retry-failure -f -g 1342939 2 ryanhaddad 2017-08-28 14:13:56 -0700 The test seems to only be flaky on macOS Debug WK2 right now. Marked as flaky in https://trac.webkit.org/changeset/221270/webkit 1446727 3 webkit-bug-importer 2018-07-31 17:02:15 -0700 <rdar://problem/42793016>