Bug 203176

Summary:

[ Mac Debug WK1 ] REGRESSION (r251262?): fast/scrolling/latching/scroll-select-bottom-test.html is a Flaky Failure

Product:

WebKit

Reporter:

Russell Epstein <repstein>

Component:

Tools / Tests

Assignee:

Timothy Hatcher <timothy>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

ap, commit-queue, jlewis3, sihui_liu, simon.fraser, timothy, webkit-bot-watchers-bugzilla, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

See Also:

https://bugs.webkit.org/show_bug.cgi?id=202874

Attachments:

Description	Flags
Patch	none
Patch	commit-queue: commit-queue-
Archive of layout-test-results from webkit-cq-03 for mac-highsierra	none
Archive of layout-test-results from webkit-cq-03 for mac-highsierra	none
Archive of layout-test-results from webkit-cq-03 for mac-highsierra	none

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	Details Formatted Diff Diff
Patch (1.66 KB, patch) 2019-11-05 19:09 PST, Timothy Hatcher	commit-queue: commit-queue-	Details Formatted Diff Diff
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)

Created attachment 382841 [details] Patch

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)

Comment on attachment 382883 [details] Patch Rejecting attachment 382883 [details] from commit-queue. New failing tests: webgl/1.0.3/conformance/extensions/webgl-draw-buffers.html Full output: https://webkit-queues.webkit.org/results/13217573

WebKit Commit Bot

Comment 12 2019-11-05 20:23:04 PST Comment hidden (obsolete)

Created attachment 382888 [details] Archive of layout-test-results from webkit-cq-03 for mac-highsierra The attached test failures were seen while running run-webkit-tests on the commit-queue. Bot: webkit-cq-03 Port: mac-highsierra Platform: Mac OS X 10.13.6

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)

Created attachment 382929 [details] Archive of layout-test-results from webkit-cq-03 for mac-highsierra The attached test failures were seen while running run-webkit-tests on the commit-queue. Bot: webkit-cq-03 Port: mac-highsierra Platform: Mac OS X 10.13.6

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)

Created attachment 382940 [details] Archive of layout-test-results from webkit-cq-03 for mac-highsierra The attached test failures were seen while running run-webkit-tests on the commit-queue. Bot: webkit-cq-03 Port: mac-highsierra Platform: Mac OS X 10.13.6

Timothy Hatcher

Comment 17 2019-11-06 13:45:52 PST

https://trac.webkit.org/changeset/252146/webkit

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