LayoutTest tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe.html is a flaky failure https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r213086%20(3926)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=tiled-drawing%2Fscrolling%2Ffast-scroll-iframe-latched-mainframe.html --- /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-expected.txt +++ /Volumes/Data/slave/sierra-release-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe-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)
This does not appear to be a recent regression.
Able to reproduce it locally with: run-webkit-tests tiled-drawing/scrolling/fast-scroll-iframe-latched-mainframe.html -f --iterations=130 -g --no-retry-failures issue occurs on El Capitan Debug wk2 as well. current diff: Put mouse here and flick downwards Tests that iframe doesn't consume wheel events when scroll On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS successfullyParsed is true TEST COMPLETE PASS IFrame did not receive wheel events. (GraphicsLayer (anchor 0.00 0.00) (bounds 785.00 2266.00) (visible rect 0.00, 10.00 785.00 x 600.00) (coverage rect 0.00, 10.00 785.00 x 600.00) (intersects coverage rect 1) (contentsScale 1.00) (children 1 (GraphicsLayer (bounds 785.00 2266.00) (contentsOpaque 1) (visible rect 0.00, 10.00 785.00 x 600.00) (coverage rect 0.00, 0.00 785.00 x 1800.00) (intersects coverage rect 1) (contentsScale 1.00) (tile cache coverage 0, 0 785 x 2048) (tile size 785 x 512) (top left tile 0, 0 tiles grid 1 x 4) (in window 1) ) ) )
Marked the test as flaky. https://trac.webkit.org/changeset/216697/webkit/
The test has started to be flaky on Sierra Release WK2 as well as of build: https://build.webkit.org/builders/Apple%20Sierra%20Release%20WK2%20(Tests)/builds/2048
Adjusted test expectations: https://trac.webkit.org/changeset/219133/webkit/