Bug 223900 - [ iOS & BigSur Debug wk2 ] compositing/video/video-update-rendering.html is a flakey text failure
Summary: [ iOS & BigSur Debug wk2 ] compositing/video/video-update-rendering.html is a...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2021-03-29 13:27 PDT by Robert Jenner
Modified: 2021-08-20 15:24 PDT (History)
3 users (show)

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Description Robert Jenner 2021-03-29 13:27:52 PDT 
compositing/video/video-update-rendering.html

is a flakey text failure in macOS BigSur Wk2. 

HISTORY URL:
https://results.webkit.org/?suite=layout-tests&test=compositing%2Fvideo%2Fvideo-update-rendering.html

TEXT DIFF:
-PASS Refresh rendering when starting to play a video
+FAIL Refresh rendering when starting to play a video assert_true: refreshing video rendering: 1 expected true got false
Comment 1 Robert Jenner 2021-03-29 13:57:51 PDT 
Test only fails on Debug, has been happening for a while, and is extremely flakey. That being said, I was able to reproduce the failure at BigSur Debug ToT using the following test:

run-webkit-test compositing/video/video-update-rendering.html --debug --iterations 100 -f
Comment 2 Robert Jenner 2021-03-29 14:03:54 PDT 
Updated test expectations to Pass Failure here:
https://trac.webkit.org/changeset/275179/webkit
Comment 3 Radar WebKit Bug Importer 2021-03-29 14:04:15 PDT 
<rdar://problem/75972072>
Comment 4 ayumi_kojima 2021-08-20 15:18:05 PDT 
The flaky text failure is also seen on iOS and Catalina gpuprocess Debug and wk2 Debug.
Comment 5 ayumi_kojima 2021-08-20 15:24:31 PDT 
Marked test expectations for iOS https://trac.webkit.org/changeset/281344/webkit