Bug 223012 - [ macOS wk2 ] media/media-source/media-source-canplaythrough-event.html is a flakey text failure
Summary: [ macOS wk2 ] media/media-source/media-source-canplaythrough-event.html is a ...
Status: RESOLVED FIXED
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: 2021-03-09 18:12 PST by Robert Jenner
Modified: 2021-03-22 17:04 PDT (History)
4 users (show)

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Description Robert Jenner 2021-03-09 18:12:57 PST 
media/media-source/media-source-canplaythrough-event.html

is a flakey text failure in macOS wk2 on debug and release. 

HISTORY URL:
https://results.webkit.org/?suite=layout-tests&test=media%2Fmedia-source%2Fmedia-source-canplaythrough-event.html&platform=mac

TEXT DIFF:
--- /Volumes/Data/worker/bigsur-release-tests-wk2/build/layout-test-results/media/media-source/media-source-canplaythrough-event-expected.txt
+++ /Volumes/Data/worker/bigsur-release-tests-wk2/build/layout-test-results/media/media-source/media-source-canplaythrough-event-actual.txt
@@ -1,5 +1,5 @@
 
 EVENT(sourceopen)
-EVENT(canplaythrough)
+FAIL: did not end fast enough
 END OF TEST
Comment 1 Robert Jenner 2021-03-09 18:32:12 PST 
Was able to duplicate text failure at tip of tree using the following test:

run-webkit-test media/media-source/media-source-canplaythrough-event.html --iterations 1000 -f

The test appears to have been flakey text failing for a while. However, I was able to bisect to a regression point of r272842. The text failures started to occur at that point, and did not occur in r272841. This very well may be related to the GPUP changes made at that revision.
Comment 2 Radar WebKit Bug Importer 2021-03-09 18:32:48 PST 
<rdar://problem/75245351>
Comment 3 Robert Jenner 2021-03-09 18:38:06 PST 
Updated test expectations here, until the test can be fixed:

https://trac.webkit.org/changeset/274190/webkit
Comment 4 Peng Liu 2021-03-22 17:04:58 PDT 
Committed r274820 (235618@main): <https://commits.webkit.org/235618@main>