225421 2021-05-05 16:34:44 -0700 [ macOS ] imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https.html is a flaky text failure 2021-05-05 17:02:23 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 jenner webkit-unassigned eric.carlson webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1757160 0 jenner 2021-05-05 16:34:44 -0700 imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https.html is a flakey text failure on macOS Catalina and higher. HISTORY: https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebaudio%2Fthe-audio-api%2Fthe-convolvernode-interface%2Factive-processing.https.html&platform=mac TEXT DIFF: PASS < [initialize] All assertions passed. (total 1 assertions) PASS > [test] PASS Test 0: Number of convolver output channels is equal to 2. -FAIL X Number of distinct values is not equal to 2. Got 1. assert_true: expected true got false -FAIL < [test] 1 out of 2 assertions were failed. assert_true: expected true got false +FAIL X Test 1: Number of convolver output channels is not equal to 1. Got 0. assert_true: expected true got false +PASS Number of distinct values is equal to 2. +FAIL < [test] 1 out of 3 assertions were failed. assert_true: expected true got false FAIL # AUDIT TASK RUNNER FINISHED: 1 out of 2 tasks were failed. assert_true: expected true got false 1757161 1 webkit-bug-importer 2021-05-05 16:35:05 -0700 <rdar://problem/77581874> 1757176 2 jenner 2021-05-05 16:54:49 -0700 Was able to reproduce the failure at BigSur Release ToT using the following test: run-webkit-tests imported/w3c/web-platform-tests/webaudio/the-audio-api/the-convolvernode-interface/active-processing.https.html --iterations 100 -f This test appears to have been flaky for a long time. I was able to reproduce the failures over 8,000 revisions back. Updated test expectations to Pass Failure here: https://trac.webkit.org/changeset/277054/webkit