RESOLVED FIXED 203176
[ Mac Debug WK1 ] REGRESSION (r251262?): fast/scrolling/latching/scroll-select-bottom-test.html is a Flaky Failure 
https://bugs.webkit.org/show_bug.cgi?id=203176
Summary [ Mac Debug WK1 ] REGRESSION (r251262?): fast/scrolling/latching/scroll-selec...
Russell Epstein
Reported 2019-10-18 17:34:25 PDT
The following layout test has recently become flaky: fast/scrolling/latching/scroll-select-bottom-test.html Test History: https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Flatching%2Fscroll-select-bottom-test.html Diff: --- /Volumes/Data/slave/catalina-debug-tests-wk1/build/layout-test-results/fast/scrolling/latching/scroll-select-bottom-test-expected.txt +++ /Volumes/Data/slave/catalina-debug-tests-wk1/build/layout-test-results/fast/scrolling/latching/scroll-select-bottom-test-actual.txt @@ -12,5 +12,5 @@ TEST COMPLETE div display height = 111 Mouse moved to (30, 378) -PASS Page did not receive wheel events. +FAIL Page received wheel events.
Attachments
Patch (1.66 KB, patch)
2019-11-05 12:53 PST, Timothy Hatcher 		no flags
DetailsFormatted DiffDiff
Patch (1.66 KB, patch)
2019-11-05 19:09 PST, Timothy Hatcher 		commit-queue: commit-queue-
DetailsFormatted DiffDiff
Archive of layout-test-results from webkit-cq-03 for mac-highsierra (3.50 MB, application/zip)
2019-11-05 20:23 PST, WebKit Commit Bot 		no flags
Details
Archive of layout-test-results from webkit-cq-03 for mac-highsierra (3.48 MB, application/zip)
2019-11-06 07:54 PST, WebKit Commit Bot 		no flags
Details
Archive of layout-test-results from webkit-cq-03 for mac-highsierra (3.60 MB, application/zip)
2019-11-06 10:58 PST, WebKit Commit Bot 		no flags
Details
Show Obsolete (4) View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2019-10-18 17:34:57 PDT
<rdar://problem/56425901>
Russell Epstein
Comment 2 2019-10-18 17:42:03 PDT
Marked Test as Flaky in r251314
Alexey Proskuryakov
Comment 3 2019-10-20 10:01:27 PDT
The suspected revision is very close to r251261, which caused other failures. Seems worth verifying with a local repro.
Matt Lewis
Comment 4 2019-10-23 16:39:11 PDT
(In reply to Alexey Proskuryakov from comment #3) > The suspected revision is very close to r251261, which caused other > failures. Seems worth verifying with a local repro. We are actually rolling it out due to the associated bug, but this may not be the regression point.
Alexey Proskuryakov
Comment 5 2019-10-24 12:11:27 PDT
This test is still flaking after the rollback.
Simon Fraser (smfr)
Comment 6 2019-10-24 13:35:17 PDT
Seems like it's a rare flake on WK1 only.
Alexey Proskuryakov
Comment 7 2019-10-24 13:57:39 PDT
It still is the case tha this regressed a week ago.
Timothy Hatcher
Comment 8 2019-11-05 12:53:53 PST Comment hidden (obsolete)
Timothy Hatcher
Comment 9 2019-11-05 12:54:31 PST
This hasn't been flaky since r251565 when a related r251261 regression/bug was fixed. I was also able to run it locally against r252065 a total of 1,100 times with no failures. Patch posted to remove the flaky test expectation.
Timothy Hatcher
Comment 10 2019-11-05 19:09:12 PST
Created attachment 382883 [details] Patch
WebKit Commit Bot
Comment 11 2019-11-05 20:23:02 PST Comment hidden (obsolete)
WebKit Commit Bot
Comment 12 2019-11-05 20:23:04 PST Comment hidden (obsolete)
WebKit Commit Bot
Comment 13 2019-11-06 07:54:08 PST Comment hidden (obsolete)
WebKit Commit Bot
Comment 14 2019-11-06 07:54:09 PST Comment hidden (obsolete)
WebKit Commit Bot
Comment 15 2019-11-06 10:58:28 PST Comment hidden (obsolete)
WebKit Commit Bot
Comment 16 2019-11-06 10:58:30 PST Comment hidden (obsolete)
Timothy Hatcher
Comment 17 2019-11-06 13:45:52 PST
https://trac.webkit.org/changeset/252146/webkit
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