224257 2021-04-06 18:46:32 -0700 REGRESSION: [ macOS Debug wk2 ] webgl/2.0.0/conformance/glsl/misc/shader-uniform-packing-restrictions.html is constantly timing out. 2021-04-06 21:19:51 -0700 1 1 1 Unclassified WebKit WebGL WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 220076 1 jenner webkit-unassigned achristensen dino jdarpinian kbr kkinnunen kpiddington sam webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1747729 0 jenner 2021-04-06 18:46:32 -0700 webgl/2.0.0/conformance/glsl/misc/shader-uniform-packing-restrictions.html is constantly timing out on macOS Debug wk. HISTORY: https://results.webkit.org/?suite=layout-tests&test=webgl%2F2.0.0%2Fconformance%2Fglsl%2Fmisc%2Fshader-uniform-packing-restrictions.html TIMEOUT TEXT: --- /Volumes/Data/worker/bigsur-debug-tests-wk2/build/layout-test-results/webgl/2.0.0/conformance/glsl/misc/shader-uniform-packing-restrictions-expected.txt +++ /Volumes/Data/worker/bigsur-debug-tests-wk2/build/layout-test-results/webgl/2.0.0/conformance/glsl/misc/shader-uniform-packing-restrictions-actual.txt @@ -1,4 +1,5 @@ -This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL. +#PID UNRESPONSIVE - WebKitTestRunner (pid 5786) +FAIL: Timed out waiting for notifyDone to be called -Test: ../../../resources/webgl_test_files/conformance/glsl/misc/shader-uniform-packing-restrictions.html -[ PASS ] All tests passed +#EOF +#EOF 1747730 1 webkit-bug-importer 2021-04-06 18:47:04 -0700 <rdar://problem/76299178> 1747734 2 jenner 2021-04-06 19:21:07 -0700 I have reproduced the timeouts at BigSur Debug ToT using the following test: run-webkit-tests webgl/2.0.0/conformance/glsl/misc/shader-uniform-packing-restrictions.html --debug --child-process=1 I'm currently working on bisecting and verifying a regression point. 1747735 3 jenner 2021-04-06 19:30:43 -0700 I believe r275088 is the change that caused the timeouts: https://trac.webkit.org/changeset/275088/webkit Will follow up tomorrow morning. 1747736 4 jenner 2021-04-06 19:31:44 -0700 I was able to reproduce the timeout in r275088, but not in r275087.