Bug 187522 - [ MacOS Debug ] Layout Test media/media-fragments/TC0015.html is flaky
Summary: [ MacOS Debug ] Layout Test media/media-fragments/TC0015.html is flaky
Status: RESOLVED DUPLICATE of bug 187557
Alias: None
Product: WebKit
Classification: Unclassified
Component: Tools / Tests (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-07-10 08:58 PDT by Truitt Savell
Modified: 2019-07-08 10:20 PDT (History)
3 users (show)

See Also:

Attachments
Patch (1.26 KB, patch)
2018-07-10 09:06 PDT, Truitt Savell 		no flags Details | Formatted Diff | Diff
Mark as flaky (1.30 KB, patch)
2018-07-10 09:14 PDT, Truitt Savell 		no flags Details | Formatted Diff | Diff
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

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Description Truitt Savell 2018-07-10 08:58:50 PDT 
The following layout test is flaky on MacOS Debug 

media/media-fragments/TC0015.html

Probable cause:

I do not know
Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fmedia-fragments%2FTC0015.html

Test seems to have been flakey for a while on Debug builds.
Comment 1 Truitt Savell 2018-07-10 09:06:45 PDT 
Created attachment 344700 [details]
Patch
Comment 2 Truitt Savell 2018-07-10 09:14:51 PDT 
Created attachment 344702 [details]
Mark as flaky
Comment 3 Ryan Haddad 2018-07-10 09:24:45 PDT 
Comment on attachment 344702 [details]
Mark as flaky

Clearing flags on attachment: 344702

Committed r233683: <https://trac.webkit.org/changeset/233683>
Comment 4 Truitt Savell 2018-07-11 10:08:17 PDT 
Text Diff example:

--- /Volumes/Data/slave/sierra-debug-tests-wk1/build/layout-test-results/media/media-fragments/TC0037-expected.txt
+++ /Volumes/Data/slave/sierra-debug-tests-wk1/build/layout-test-results/media/media-fragments/TC0037-actual.txt
@@ -7,6 +7,6 @@
 EXPECTED (video.currentTime == '3') OK
 RUN(video.play())
 EVENT(pause)
-EXPECTED (video.currentTime - fragmentEndTime <= '0.5') OK
+EXPECTED (video.currentTime - fragmentEndTime <= '0.5'), OBSERVED '0.54' FAIL
 END OF TEST
 

I saw variance in the OBSERVED '0.54' FAIL from 0.54-0.66
Comment 5 Truitt Savell 2018-07-13 14:29:43 PDT 

*** This bug has been marked as a duplicate of bug 187557 ***