240348 2022-05-12 08:46:54 -0700 REGRESSION (250343@main): [iOS] imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest.html is a consistent failure 2022-05-24 07:30:43 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED DUPLICATE 240463 https://bugs.webkit.org/show_bug.cgi?id=240463 https://bugs.webkit.org/show_bug.cgi?id=240118 https://bugs.webkit.org/show_bug.cgi?id=240458 InRadar P2 Normal --- 1 rackler rackler ap webkit-bot-watchers-bugzilla webkit-bug-importer youennf oldest_to_newest 1868433 0 rackler 2022-05-12 08:46:54 -0700 Description: imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest.html The first failure that I saw on the dashboard was 5/6/2022 at r293885, and the dashboard shows passing on r293882. Between r293883 and r293885 probably introduced the consistent failure. REPRODUCTION STEPS I can reproduce this on r293885, but repro against all earlier commits are also failures which is different from the dashboard history. Command: run-webkit-tests --root 293885 --ios-simulator --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --iterations 50 --no-retry imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest.html Result: Regressions: Unexpected text-only failures (1) imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest.html [ Failure ] History: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2FRTCPeerConnection-videoDetectorTest.html&limit=50000&platform=ios Diff: --- /Volumes/Data/worker/Apple-iOS-15-Simulator-Debug-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest-expected.txt +++ /Volumes/Data/worker/Apple-iOS-15-Simulator-Debug-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest-actual.txt @@ -1,3 +1,5 @@ -PASS Signal detector detects track change within reasonable time +Harness Error (TIMEOUT), message = null +TIMEOUT Signal detector detects track change within reasonable time Test timed out + stderr: (webrtc_video_engine.cc:3482): Absent receive stream; ignoring clearing encoded frame sink for ssrc 0 (video_send_stream_impl.cc:187): ERROR: Initial encoder max bitrate = -1 which is <= 0! 1868434 1 webkit-bug-importer 2022-05-12 08:47:13 -0700 <rdar://problem/93176919> 1868436 2 rackler 2022-05-12 08:55:48 -0700 imported/w3c/web-platform-tests/webrtc/RTCPeerConnection-videoDetectorTest.html ran on average 24 ms before r293885 and is now running on average 135 ms. 1868447 3 ap 2022-05-12 09:29:32 -0700 This would be seconds, not milliseconds. I see the same stderr message in passing builds, so that part is not a regression. 1868474 4 rackler 2022-05-12 10:50:06 -0700 I have marked this test as slow while this issue is investigated. 1868477 5 rackler 2022-05-12 10:53:08 -0700 Pull request: https://github.com/WebKit/WebKit/pull/600 1868480 6 ews-feeder 2022-05-12 10:55:56 -0700 Test gardening commit r294110 (250493@main): <https://commits.webkit.org/250493@main> Reviewed commits have been landed. Closing PR #600 and removing active labels. 1869254 7 rackler 2022-05-16 09:15:49 -0700 Pull request: https://github.com/WebKit/WebKit/pull/636 1869255 8 rackler 2022-05-16 09:16:06 -0700 I have now marked this test as a consistent failure while this issue is investigated. 1869261 9 ews-feeder 2022-05-16 09:18:46 -0700 Test gardening commit r294236 (250594@main): <https://commits.webkit.org/250594@main> Reviewed commits have been landed. Closing PR #636 and removing active labels. 1869440 10 ryanhaddad 2022-05-16 14:58:16 -0700 The test history does indeed suggest that this started with r293885 / 250343@main, and that is the only WebRTC related commit in the range. 1871123 11 youennf 2022-05-23 04:12:19 -0700 *** This bug has been marked as a duplicate of bug 240463 *** 1871485 12 rackler 2022-05-24 07:30:43 -0700 Verified r294637 (250861@main): <https://commits.webkit.org/250861@main> resolved the issue.