Bug 227536

Summary: [BigSur wk2] imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html is a flaky failure
Product: WebKit Reporter: Eric Hutchison <ehutchison>
Component: WebKit2Assignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: ehutchison, kkinnunen, tsavell, webkit-bot-watchers-bugzilla, webkit-bug-importer, youennf
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch
none
TestExpectations update none

Description Eric Hutchison 2021-06-30 09:46:43 PDT 
imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html

This flaky failure appears to have started around r278084 - r278086. Will investigate further and update.

History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2Fsimplecall-no-ssrcs.https.html

--- /Volumes/Data/worker/bigsur-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https-expected.txt
+++ /Volumes/Data/worker/bigsur-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https-actual.txt
@@ -1,4 +1,4 @@
-
+332162.230    189 -------- dropped:  AFTER encoding --------      -   -1/  -1 55.6    0/    0   1       0/    0 -- 
 PASS Can set up a basic WebRTC call without announcing ssrcs.
Comment 1 Radar WebKit Bug Importer 2021-06-30 09:47:43 PDT 
<rdar://problem/79971611>
Comment 2 Eric Hutchison 2021-06-30 14:21:41 PDT 
Reproduced failure in r278649 DEBUG using rwt --root /Volumes/Data/Builds/278649 --debug --iterations 500 --exit-after-n-failures 2 imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html. Unable to reproduce in release version. Unable to reproduce in r278651 Debug or r278649 Debug.
Comment 3 Eric Hutchison 2021-06-30 14:46:33 PDT 
(In reply to Eric Hutchison from comment #2)
> Reproduced failure in r278649 DEBUG using rwt --root
> /Volumes/Data/Builds/278649 --debug --iterations 500 --exit-after-n-failures
> 2 imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html.
> Unable to reproduce in release version. Unable to reproduce in r278651 Debug
> or r278649 Debug.

CORRECTION: Reproduced in r278650 Debug version. Unable to reproduce in r278649 Debug or r278651 debug. Test run: run-webkit-test --debug --iterations 500 --exit-after-n-failures 2 imported/w3c/web-platform-tests/webrtc/simplecall-no-ssrcs.https.html
Comment 4 Eric Hutchison 2021-06-30 15:01:26 PDT 
Created attachment 432629 [details]
Patch
Comment 5 Eric Hutchison 2021-06-30 15:03:38 PDT 
Created attachment 432630 [details]
TestExpectations update
Comment 6 Truitt Savell 2021-06-30 15:09:10 PDT 
Comment on attachment 432630 [details]
TestExpectations update

Clearing flags on attachment: 432630

Committed r279433 (239292@main): <https://commits.webkit.org/239292@main>
Comment 7 Eric Hutchison 2021-06-30 15:57:12 PDT 
I was getting an unexpected result due to a local issue. I am unable to reproduce this test issue with current builds.