Bug 208574

Summary:

[ Mac ] mathml/scripts-removeChild.html is flaky failing.

Product:

WebKit

Reporter:

Jason Lawrence <Lawrence.j>

Component:

MathML

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

fred.wang, webkit-bot-watchers-bugzilla, webkit-bug-importer, zalan

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Mac

OS:

macOS 10.14

Attachments:

Description	Flags
scripts-removeChild-diff	none

Description Jason Lawrence 2020-03-04 08:45:52 PST

Created attachment 392416 [details]
scripts-removeChild-diff

mathml/scripts-removeChild.html

Description:
This test is flaky failing on Mac. The flaky failures go back to at least r252162. I see a diff with the same percentage/image at r254916.

History:
https://results.webkit.org/?suite=layout-tests&test=mathml%2Fscripts-removeChild.html&platform=mac&flavor=wk2&flavor=wk1&limit=50000

Diff:
https://build.webkit.org/results/Apple-Catalina-Release-WK2-Tests/r257841%20(3447)/mathml/scripts-removeChild-diff.png

Comment 1 Radar WebKit Bug Importer 2020-03-04 08:46:30 PST

<rdar://problem/60041327>

Comment 2 Jason Lawrence 2020-03-04 08:54:37 PST

I have marked this test as failing while this issue is investigated.
https://trac.webkit.org/changeset/257847/webkit

Comment 3 Jason Lawrence 2020-03-04 08:59:07 PST

I can reproduce this issue on r257841 by running the command below.

run-webkit-tests --iterations 2000 --exit-after-n-failures 5 --force -f mathml/scripts-removeChild.html --no-retry

[12/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch)
[13/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch)
[14/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch)
[20/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch)
[25/2000] mathml/scripts-removeChild.html failed unexpectedly (reference mismatch)
Exiting early after 5 failures. 20 tests run.
15 tests ran as expected, 5 didn't (1980 didn't run):

Comment 4 zalan 2020-06-10 16:14:27 PDT

Committed r262871: <https://trac.webkit.org/changeset/262871>