266669 2023-12-19 16:02:43 -0800 REGRESSION(271863@main): imported/w3c/web-platform-tests/webrtc-extensions/RTCRtpSynchronizationSource-captureTimestamp.html is a flaky text failure 2024-03-12 01:19:06 -0700 1 1 1 Unclassified WebKit WebRTC WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=265987 InRadar P2 Normal --- 1 jenner webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 2000884 0 jenner 2023-12-19 16:02:43 -0800 imported/w3c/web-platform-tests/webrtc-extensions/RTCRtpSynchronizationSource-captureTimestamp.html is a flaky text failure on Monterey and higher, as well as on iOS 17. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc-extensions%2FRTCRtpSynchronizationSource-captureTimestamp.html DIFF URL: https://build.webkit.org/results/Apple-iOS-17-Simulator-Release-WK2-Tests/272281@main%20(1197)/imported/w3c/web-platform-tests/webrtc-extensions/RTCRtpSynchronizationSource-captureTimestamp-pretty-diff.html TEXT DIFF: +++ /Volumes/Data/worker/Apple-iOS-17-Simulator-Release-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/webrtc-extensions/RTCRtpSynchronizationSource-captureTimestamp-actual.txt @@ -1,4 +1,6 @@ + +Harness Error (FAIL), message = Unhandled rejection: Failed to set local offer sdp: A BUNDLE group contains a codec collision for header extension id=5. The id must be the same across all bundled media descriptions PASS [audio] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is not offered PASS [audio] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is offered, but not answered @@ -6,5 +8,15 @@ PASS [video] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is not offered PASS [video] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is offered, but not answered FAIL [video] getSynchronizationSources() should contain captureTimestamp if absolute capture time RTP header extension is negotiated step_wait_func: No abs-capture-time capture time header extension. Timed out waiting on condition -FAIL Audio and video RTCRtpSynchronizationSource.captureTimestamp are comparable step_wait_func: No abs-capture-time capture time header extension. Timed out waiting on condition +TIMEOUT Audio and video RTCRtpSynchronizationSource.captureTimestamp are comparable Test timed out +Harness Error (FAIL), message = Unhandled rejection: Failed to set local offer sdp: A BUNDLE group contains a codec collision for header extension id=5. The id must be the same across all bundled media descriptions + +PASS [audio] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is not offered +PASS [audio] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is offered, but not answered +FAIL [audio] getSynchronizationSources() should contain captureTimestamp if absolute capture time RTP header extension is negotiated step_wait_func: No abs-capture-time capture time header extension. Timed out waiting on condition +PASS [video] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is not offered +PASS [video] getSynchronizationSources() should not contain captureTimestamp if absolute capture time RTP header extension is offered, but not answered +FAIL [video] getSynchronizationSources() should contain captureTimestamp if absolute capture time RTP header extension is negotiated step_wait_func: No abs-capture-time capture time header extension. Timed out waiting on condition +TIMEOUT Audio and video RTCRtpSynchronizationSource.captureTimestamp are comparable Test timed out + 2000885 1 webkit-bug-importer 2023-12-19 16:03:03 -0800 <rdar://problem/119899602> 2000886 2 jenner 2023-12-19 16:04:58 -0800 I was able to reproduce this failure at iOS 17 ToT running the test as follows: run-webkit-tests --iOS-simulator imported/w3c/web-platform-tests/webrtc-extensions/RTCRtpSynchronizationSource-captureTimestamp.html --iterations 10. It looks like there's a fairly easily tradable regression point at https://commits.webkit.org/271863@main 2000893 3 ews-feeder 2023-12-19 16:12:57 -0800 Test gardening commit 272312@main (ccbbc011cb23): <https://commits.webkit.org/272312@main> Reviewed commits have been landed. Closing PR #22075 and removing active labels. 2020091 4 youennf 2024-03-11 06:19:06 -0700 *** This bug has been marked as a duplicate of bug 269088 *** 2020398 5 ews-feeder 2024-03-12 01:19:04 -0700 Committed 275963@main (ee8def8950ff): <https://commits.webkit.org/275963@main> Reviewed commits have been landed. Closing PR #25715 and removing active labels.