Bug 261920

Summary: NEW TEST(265708@main): [ wk2 ] fast/mediastream/video-srcObject-set-twice.html is a flaky ImageOnlyFailure.
Product: WebKit Reporter: Ben Schwartz <ben_schwartz>
Component: MediaAssignee: youenn fablet <youennf>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bot-watchers-bugzilla, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=258723
https://bugs.webkit.org/show_bug.cgi?id=258851
Attachments:
Description Flags
video-srcObject-set-twice-diff.png none

Description Ben Schwartz 2023-09-21 17:08:33 PDT
fast/mediastream/video-srcObject-set-twice.html

This test is a flaky ImageOnlyFailure on wk2.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fmediastream%2Fvideo-srcObject-set-twice.html

IMAGE DIFF:

Attached.

IMAGES URL:

https://build.webkit.org/results/Apple-Ventura-Release-AppleSilicon-WK2-Tests/268273@main%20(5054)/fast/mediastream/video-srcObject-set-twice-diffs.html

REPRODUCIBILITY:

I was able to reproduce this issue on macOS Ventura (13.5, 22G74/arm64) ToT using the following command:

run-webkit-tests --clobber-old-results --verbose --iterations 100 --exit-after-n-failures 1 --child-processes 10 -f fast/mediastream/video-srcObject-set-twice.html

REGRESSION:

This test has been flaky since it was introduced at 265708@main.
Comment 1 Radar WebKit Bug Importer 2023-09-21 17:08:46 PDT
<rdar://problem/115868374>
Comment 2 Ben Schwartz 2023-09-21 17:09:25 PDT
Created attachment 467820 [details]
video-srcObject-set-twice-diff.png
Comment 3 EWS 2023-09-21 17:21:45 PDT
Test gardening commit 268287@main (f79193babb2b): <https://commits.webkit.org/268287@main>

Reviewed commits have been landed. Closing PR #18056 and removing active labels.
Comment 4 youenn fablet 2023-09-28 04:11:03 PDT
Pull request: https://github.com/WebKit/WebKit/pull/18338
Comment 5 youenn fablet 2023-10-05 01:59:30 PDT
I filed https://bugs.webkit.org/show_bug.cgi?id=262688 to keep track of the underlying rendering issue
Comment 6 EWS 2023-10-05 02:03:03 PDT
Committed 268908@main (a8801edb7206): <https://commits.webkit.org/268908@main>

Reviewed commits have been landed. Closing PR #18338 and removing active labels.