1857078 - Perma layout/generic/test/test_scroll_on_display_contents.html failures on new Ubuntu 22.04 Wayland pool

Status: NEW

(Core :: Layout, defect)

Description

[Andrew Halberstadt [:ahal]]

This is happening on a new Ubuntu 22.04 Wayland enabled pool we're in the process of standing up.

Example failure log:
https://treeherder.mozilla.org/logviewer?job_id=431315128&repo=try&lineNumber=12661

[task 2023-10-04T14:56:47.114Z] 14:56:47     INFO - TEST-START | layout/generic/test/test_scroll_on_display_contents.html
[task 2023-10-04T15:02:04.229Z] 15:02:04     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-10-04T15:02:04.234Z] 15:02:04     INFO - TEST-UNEXPECTED-FAIL | layout/generic/test/test_scroll_on_display_contents.html | Test timed out. - 
[task 2023-10-04T15:02:05.235Z] 15:02:05     INFO - Not taking screenshot here: see the one that was previously logged
[task 2023-10-04T15:02:05.240Z] 15:02:05     INFO - TEST-UNEXPECTED-FAIL | layout/generic/test/test_scroll_on_display_contents.html | [SimpleTest.finish()] No checks actually run. (You need to call ok(), is(), or similar functions at least once.  Make sure you use SimpleTest.waitForExplicitFinish() if you need it.) 
[task 2023-10-04T15:02:05.240Z] 15:02:05     INFO -     SimpleTest.ok@SimpleTest/SimpleTest.js:426:16
[task 2023-10-04T15:02:05.240Z] 15:02:05     INFO -     afterCleanup@SimpleTest/SimpleTest.js:1477:18
[task 2023-10-04T15:02:05.240Z] 15:02:05     INFO -     executeCleanupFunction@SimpleTest/SimpleTest.js:1562:7
[task 2023-10-04T15:02:05.240Z] 15:02:05     INFO -     SimpleTest.finish@SimpleTest/SimpleTest.js:1582:3
[task 2023-10-04T15:02:05.240Z] 15:02:05     INFO -     killTest@SimpleTest/TestRunner.js:200:22
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     async*delayedKillTest@SimpleTest/TestRunner.js:240:17
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:238:17
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     setTimeout handler*TestRunner._checkForHangs@SimpleTest/TestRunner.js:252:15
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     TestRunner.runTests/<@SimpleTest/TestRunner.js:532:16
[task 2023-10-04T15:02:05.241Z] 15:02:05     INFO -     Async*TestRunner.runTests@SimpleTest/TestRunner.js:519:48
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     RunSet.runtests@SimpleTest/setup.js:285:14
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     RunSet.runall@SimpleTest/setup.js:264:12
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     getPrefList/<@SimpleTest/setup.js:351:14
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     loadFile/req.onload@SimpleTest/setup.js:80:19
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     EventHandlerNonNull*loadFile@SimpleTest/setup.js:75:3
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     getPrefList@SimpleTest/setup.js:349:13
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     hookupTests@SimpleTest/setup.js:372:5
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO - parseTestManifest@http://mochi.test:8888/manifestLibrary.js:53:13
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO - getTestManifest/req.onload@http://mochi.test:8888/manifestLibrary.js:66:28
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO - EventHandlerNonNull*getTestManifest@http://mochi.test:8888/manifestLibrary.js:62:3
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO -     hookup@SimpleTest/setup.js:337:20
[task 2023-10-04T15:02:05.242Z] 15:02:05     INFO - EventHandlerNonNull*@http://mochi.test:8888/tests?autorun=1&closeWhenDone=1&consoleLevel=INFO&manifestFile=tests.json&dumpOutputDirectory=%2Ftmp&cleanupCrashes=true&ignorePrefsFile=ignorePrefs.json:10:32
[task 2023-10-04T15:02:05.243Z] 15:02:05     INFO - GECKO(20806) | MEMORY STAT | vsize 2489MB | residentFast 132MB | heapAllocated 18MB
[task 2023-10-04T15:02:05.309Z] 15:02:05    ERROR - TEST-UNEXPECTED-FAIL | /tests/layout/generic/test/test_scroll_on_display_contents.html logged result after SimpleTest.finish(): [SimpleTest.finish()] No checks actually run. (You need to call ok(), is(), or similar functions at least once.  Make sure you use SimpleTest.waitForExplicitFinish() if you need it.)

It's unclear whether this is a result of Wayland, upgrading to Ubuntu 22.04 or hardware characteristics of the new workers. The tests will be skipped on this new platform.