NEW 171935
[maOS Sierra] LayoutTest tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html is flaky 
https://bugs.webkit.org/show_bug.cgi?id=171935
Summary [maOS Sierra] LayoutTest tiled-drawing/scrolling/fast-scroll-select-latched-m...
Matt Lewis
Reported 2017-05-10 11:22:11 PDT
The test tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html is a flaky failure on Sierra release and debug as well as El Capitan debug. History: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=tiled-drawing%2Fscrolling%2Ffast-scroll-select-latched-mainframe.html Build: https://build.webkit.org/builders/Apple%20Sierra%20Debug%20WK2%20(Tests)/builds/919 https://build.webkit.org/results/Apple%20Sierra%20Debug%20WK2%20(Tests)/r216586%20(919)/results.html Diff: --- /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-select-latched-mainframe-expected.txt +++ /Volumes/Data/slave/sierra-debug-tests-wk2/build/layout-test-results/tiled-drawing/scrolling/fast-scroll-select-latched-mainframe-actual.txt @@ -14,15 +14,15 @@ (GraphicsLayer (anchor 0.00 0.00) (bounds 2008.00 2266.00) - (visible rect 0.00, 70.00 785.00 x 585.00) - (coverage rect 0.00, 70.00 785.00 x 585.00) + (visible rect 0.00, 30.00 785.00 x 585.00) + (coverage rect 0.00, 30.00 785.00 x 585.00) (intersects coverage rect 1) (contentsScale 1.00) (children 1 (GraphicsLayer (bounds 2008.00 2266.00) (contentsOpaque 1) - (visible rect 0.00, 70.00 785.00 x 585.00) + (visible rect 0.00, 30.00 785.00 x 585.00) (coverage rect 0.00, 0.00 1570.00 x 1755.00) (intersects coverage rect 1) (contentsScale 1.00)
Attachments
Add attachment proposed patch, testcase, etc.
Matt Lewis
Comment 1 2017-05-10 12:31:00 PDT
Marked test as flaky on Sierra. https://trac.webkit.org/changeset/216604/webkit/
Alexey Proskuryakov
Comment 2 2017-05-12 22:36:46 PDT
Is this reproducible?
Matt Lewis
Comment 3 2017-10-24 11:45:21 PDT
I was able to reproduce this fairly consistently with: run-webkit-tests --no-retry-failure tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html --iterations=100 --verbose -f
Radar WebKit Bug Importer
Comment 4 2018-07-31 17:04:22 PDT
<rdar://problem/42793080>
Shawn Roberts
Comment 5 2019-01-29 08:55:37 PST
Test is still flaky on Mac Flakiness dashboard: https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=tiled-drawing%2Fscrolling%2Ffast-scroll-select-latched-mainframe.html Able to reproduce with: run-webkit-tests --root t240655 tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html --iterations 500 -f Diff: Regressions: Unexpected text-only failures (1) tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html [ Failure ] Regressions: Unexpected image-only failures (1) webgpu/buffer-resource-triangles.html [ ImageOnlyFailure ] Regressions: Unexpected timeouts (1) http/wpt/service-workers/check-service-worker-header.https.html [ Timeout ]
Shawn Roberts
Comment 6 2019-01-29 08:59:25 PST
(In reply to Shawn Roberts from comment #5) > Test is still flaky on Mac > > Flakiness dashboard: > > https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard. > html#showAllRuns=true&tests=tiled-drawing%2Fscrolling%2Ffast-scroll-select- > latched-mainframe.html > > Able to reproduce with: > > run-webkit-tests --root t240655 > tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html > --iterations 500 -f > > Diff: > > Regressions: Unexpected text-only failures (1) > tiled-drawing/scrolling/fast-scroll-select-latched-mainframe.html [ > Failure ] > > Regressions: Unexpected image-only failures (1) > webgpu/buffer-resource-triangles.html [ ImageOnlyFailure ] > > Regressions: Unexpected timeouts (1) > http/wpt/service-workers/check-service-worker-header.https.html [ Timeout ] Correction: Pasted wrong content into Diff. Same diff was previously reported on 2017-05-10
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