1455509 - Intermittent /intersection-observer/shadow-content.html | First rAF after creating shadow DOM. - assert_equals: entries.length expected 1 but got 2

Status: RESOLVED INCOMPLETE

(Core :: Layout, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: csabou [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=174678982&repo=autoland

https://queue.taskcluster.net/v1/task/fh1r4sw2Ss675WQzgTKo5Q/runs/0/artifacts/public/logs/live_backing.log

[task 2018-04-20T01:13:25.769Z] 01:13:25     INFO - TEST-START | /intersection-observer/shadow-content.html
[task 2018-04-20T01:13:25.769Z] 01:13:25     INFO - Clearing pref dom.IntersectionObserver.enabled
[task 2018-04-20T01:13:25.813Z] 01:13:25     INFO - Setting pref dom.webcomponents.shadowdom.enabled (true)
[task 2018-04-20T01:13:25.902Z] 01:13:25     INFO - Setting pref dom.IntersectionObserver.enabled (true)
[task 2018-04-20T01:13:26.068Z] 01:13:26     INFO - PID 6373 | ++DOCSHELL 0xcd618c00 == 22 [pid = 6373] [id = {706e95ae-ae7a-440a-bed6-bcbca77f0fbd}]
[task 2018-04-20T01:13:26.068Z] 01:13:26     INFO - PID 6373 | ++DOMWINDOW == 67 (0xdabcf340) [pid = 6373] [serial = 76] [outer = (nil)]
[task 2018-04-20T01:13:26.104Z] 01:13:26     INFO - PID 6373 | ++DOMWINDOW == 68 (0xd2d77400) [pid = 6373] [serial = 77] [outer = 0xdabcf340]
[task 2018-04-20T01:13:26.221Z] 01:13:26     INFO - PID 6373 | ++DOMWINDOW == 69 (0xd2d7a800) [pid = 6373] [serial = 78] [outer = 0xdabcf340]
[task 2018-04-20T01:13:26.491Z] 01:13:26     INFO - PID 6373 | [6373, Main Thread] WARNING: NS_ENSURE_TRUE(aSecondURI) failed: file /builds/worker/workspace/build/src/dom/base/ThirdPartyUtil.cpp, line 98
[task 2018-04-20T01:13:26.644Z] 01:13:26     INFO - 
[task 2018-04-20T01:13:26.644Z] 01:13:26     INFO - TEST-PASS | /intersection-observer/shadow-content.html | Observing a target inside shadow DOM. 
[task 2018-04-20T01:13:26.645Z] 01:13:26     INFO - TEST-UNEXPECTED-FAIL | /intersection-observer/shadow-content.html | First rAF after creating shadow DOM. - assert_equals: entries.length expected 1 but got 2
[task 2018-04-20T01:13:26.645Z] 01:13:26     INFO - checkLastEntry@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:83:3
[task 2018-04-20T01:13:26.646Z] 01:13:26     INFO - step0@http://web-platform.test:8000/intersection-observer/shadow-content.html:42:3
[task 2018-04-20T01:13:26.646Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.646Z] 01:13:26     INFO - Test.prototype.step_func_done/<@http://web-platform.test:8000/resources/testharness.js:1541:17
[task 2018-04-20T01:13:26.647Z] 01:13:26     INFO - Test.prototype.step_timeout/<@http://web-platform.test:8000/resources/testharness.js:1559:20
[task 2018-04-20T01:13:26.647Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.648Z] 01:13:26     INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1525:20
[task 2018-04-20T01:13:26.649Z] 01:13:26     INFO - setTimeout handler*Test.prototype.step_timeout@http://web-platform.test:8000/resources/testharness.js:1558:16
[task 2018-04-20T01:13:26.649Z] 01:13:26     INFO - waitForNotification/</<@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:25:33
[task 2018-04-20T01:13:26.649Z] 01:13:26     INFO - Test.prototype.step_timeout/<@http://web-platform.test:8000/resources/testharness.js:1559:20
[task 2018-04-20T01:13:26.650Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.650Z] 01:13:26     INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1525:20
[task 2018-04-20T01:13:26.650Z] 01:13:26     INFO - setTimeout handler*Test.prototype.step_timeout@http://web-platform.test:8000/resources/testharness.js:1558:16
[task 2018-04-20T01:13:26.651Z] 01:13:26     INFO - waitForNotification/<@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:25:5
[task 2018-04-20T01:13:26.651Z] 01:13:26     INFO - FrameRequestCallback*waitForNotification@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:24:3
[task 2018-04-20T01:13:26.651Z] 01:13:26     INFO - runTestCycle/<@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:40:5
[task 2018-04-20T01:13:26.651Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.652Z] 01:13:26     INFO - async_test@http://web-platform.test:8000/resources/testharness.js:528:13
[task 2018-04-20T01:13:26.652Z] 01:13:26     INFO - runTestCycle@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:39:3
[task 2018-04-20T01:13:26.652Z] 01:13:26     INFO - @http://web-platform.test:8000/intersection-observer/shadow-content.html:38:3
[task 2018-04-20T01:13:26.652Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.652Z] 01:13:26     INFO - Test.prototype.step_func_done/<@http://web-platform.test:8000/resources/testharness.js:1541:17
[task 2018-04-20T01:13:26.653Z] 01:13:26     INFO - Test.prototype.step_timeout/<@http://web-platform.test:8000/resources/testharness.js:1559:20
[task 2018-04-20T01:13:26.653Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.653Z] 01:13:26     INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1525:20
[task 2018-04-20T01:13:26.654Z] 01:13:26     INFO - setTimeout handler*Test.prototype.step_timeout@http://web-platform.test:8000/resources/testharness.js:1558:16
[task 2018-04-20T01:13:26.654Z] 01:13:26     INFO - waitForNotification/</<@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:25:33
[task 2018-04-20T01:13:26.654Z] 01:13:26     INFO - Test.prototype.step_timeout/<@http://web-platform.test:8000/resources/testharness.js:1559:20
[task 2018-04-20T01:13:26.654Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.655Z] 01:13:26     INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:1525:20
[task 2018-04-20T01:13:26.655Z] 01:13:26     INFO - setTimeout handler*Test.prototype.step_timeout@http://web-platform.test:8000/resources/testharness.js:1558:16
[task 2018-04-20T01:13:26.655Z] 01:13:26     INFO - waitForNotification/<@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:25:5
[task 2018-04-20T01:13:26.656Z] 01:13:26     INFO - FrameRequestCallback*waitForNotification@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:24:3
[task 2018-04-20T01:13:26.656Z] 01:13:26     INFO - runTestCycle/<@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:40:5
[task 2018-04-20T01:13:26.656Z] 01:13:26     INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1501:20
[task 2018-04-20T01:13:26.656Z] 01:13:26     INFO - async_test@http://web-platform.test:8000/resources/testharness.js:528:13
[task 2018-04-20T01:13:26.657Z] 01:13:26     INFO - runTestCycle@http://web-platform.test:8000/intersection-observer/resources/intersection-observer-test-utils.js:39:3
[task 2018-04-20T01:13:26.658Z] 01:13:26     INFO - @http://web-platform.test:8000/intersection-observer/shadow-content.html:23:1
[task 2018-04-20T01:13:26.658Z] 01:13:26     INFO - TEST-OK | /intersection-observer/shadow-content.html | took 874ms

Comment 1

[Intermittent Failures Robot]

1 failures in 780 pushes (0.001 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* mozilla-inbound: 1

Platform breakdown:
* linux32: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1455509&startday=2018-04-23&endday=2018-04-29&tree=trunk

Comment 2

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup