Bug 259497

Summary: REGRESSION(265561@main): [ x86_64 ] imported/w3c/web-platform-tests/webcodecs/temporal-svc-encoding.https.any.html?vp9 is a constant failure
Product: WebKit Reporter: Ben Schwartz <ben_schwartz>
Component: New BugsAssignee: Nobody <webkit-unassigned>
Status: NEW    
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=259496
https://bugs.webkit.org/show_bug.cgi?id=258076

Ben Schwartz
Reported 2023-07-25 14:31:17 PDT
imported/w3c/web-platform-tests/webcodecs/temporal-svc-encoding.https.any.worker.html?vp9 This test is a constant failure on x86_64 machines. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebcodecs%2Ftemporal-svc-encoding.https.any.html%3Fvp9 TEXT DIFF: PASS SVC L1T2 -PASS SVC L1T3 +FAIL SVC L1T3 assert_equals: corrupted_frames: 8 expected 0 but got 1 DIFF URL: https://build.webkit.org/results/Apple-Ventura-Debug-WK2-GPUProcess-Tests/265564@main%20(3027)/imported/w3c/web-platform-tests/webcodecs/temporal-svc-encoding.https.any_vp9-pretty-diff.html
Attachments
Radar WebKit Bug Importer
Comment 1 2023-07-25 14:31:29 PDT
Ben Schwartz
Comment 2 2023-07-25 14:32:26 PDT
I was able to reproduce this bug on macOS Ventura using x86_64 running the test as follows: run-webkit-tests imported/w3c/web-platform-tests/webcodecs/temporal-svc-encoding.https.any.html I was also able to bisect a regression point. This test reproduced at 265561@main, but it did not reproduce at 265560@main. Changes at 265561@main are directly related to this error, and is likely what caused the failure.
Ben Schwartz
Comment 3 2023-07-25 16:20:33 PDT
I have marked this test as a constant failure while this issue is investigated. (Link: https://github.com/WebKit/WebKit/pull/16083)
EWS
Comment 4 2023-07-26 12:21:27 PDT
Test gardening commit 266324@main (8b0667f1556d): <https://commits.webkit.org/266324@main> Reviewed commits have been landed. Closing PR #16083 and removing active labels.
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