Bug: Intermittent [TV] browser/components/customizableui/test/browser_lwt_telemetry.js | Found an unexpected tab at the end of test run: about:blank -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-01-07 13:20:24+00:00
Resolved: 2020-02-04 17:02:26+00:00

**Filed by:** cbrindusan [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=283821637&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/ImBa1b7vSu65SKlYJD5NMA/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/ImBa1b7vSu65SKlYJD5NMA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

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[task 2020-01-07T12:37:22.509Z] 12:37:22     INFO - TEST-START | browser/components/customizableui/test/browser_lwt_telemetry.js
[task 2020-01-07T12:37:22.589Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 00000228C2D7F800 == 7 [pid = 8308] [id = {4669ca30-762b-40c2-ab7b-60e1f8ca214e}]
[task 2020-01-07T12:37:22.589Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 15 (00000228BDD6DC40) [pid = 8308] [serial = 15] [outer = 0000000000000000]
[task 2020-01-07T12:37:22.594Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 16 (00000228C41D4400) [pid = 8308] [serial = 16] [outer = 00000228BDD6DC40]
[task 2020-01-07T12:37:22.909Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 00000228C4FD2000 == 8 [pid = 8308] [id = {d0f38e7c-f04b-4a98-98c9-b26280ab4171}]
[task 2020-01-07T12:37:22.909Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 17 (00000228C4E12F20) [pid = 8308] [serial = 17] [outer = 0000000000000000]
[task 2020-01-07T12:37:22.910Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 18 (00000228C4F3E800) [pid = 8308] [serial = 18] [outer = 00000228C4E12F20]
[task 2020-01-07T12:37:22.990Z] 12:37:22     INFO - GECKO(4576) | [Parent 8308: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 19 (00000228C51D8C00) [pid = 8308] [serial = 19] [outer = 00000228C4E12F20]
[task 2020-01-07T12:37:23.129Z] 12:37:23     INFO - GECKO(4576) | [Parent 8308, Main Thread] WARNING: '!inner', file z:/build/build/src/dom/ipc/JSWindowActorService.cpp, line 181
[task 2020-01-07T12:37:23.187Z] 12:37:23     INFO - GECKO(4576) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to c:\users\task_1578398517\appdata\local\temp\tmp358xtx.mozrunner\runtests_leaks_tab_pid8148.log
[task 2020-01-07T12:37:23.192Z] 12:37:23     INFO - GECKO(4576) | [Child 8148, Main Thread] WARNING: No CID found when attempting to map contract ID: file z:/build/build/src/xpcom/components/nsComponentManager.cpp, line 721
[task 2020-01-07T12:37:23.253Z] 12:37:23     INFO - GECKO(4576) | Failed to load jar:file:///Z:/task_1578398517/build/application/firefox/omni.ja!/chrome/toolkit/content/mozapps/extensions/aboutaddonsCommon.js
[task 2020-01-07T12:37:23.312Z] 12:37:23     INFO - GECKO(4576) | [Parent 8308, Main Thread] WARNING: NS_ENSURE_TRUE(scriptGlobalObject) failed: file z:/build/build/src/dom/prototype/PrototypeDocumentContentSink.cpp, line 968
[task 2020-01-07T12:37:23.317Z] 12:37:23     INFO - GECKO(4576) | [Parent 8308, Main Thread] WARNING: NS_ENSURE_TRUE(scriptGlobalObject) failed: file z:/build/build/src/dom/prototype/PrototypeDocumentContentSink.cpp, line 968
[task 2020-01-07T12:37:23.317Z] 12:37:23     INFO - GECKO(4576) | [Parent 8308, Main Thread] WARNING: NS_ENSURE_TRUE(context) failed: file z:/build/build/src/dom/base/nsFrameLoader.cpp, line 355
[task 2020-01-07T12:37:23.317Z] 12:37:23     INFO - GECKO(4576) | [Parent 8308, Main Thread] WARNING: '!mFrameLoader', file z:/build/build/src/dom/xul/XULFrameElement.cpp, line 96
[task 2020-01-07T12:37:23.322Z] 12:37:23     INFO - GECKO(4576) | [Child 8148: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0000015A9B14E000 == 1 [pid = 8148] [id = {fb116dbd-0c77-4ac6-8942-0ee8a2b01784}]
[task 2020-01-07T12:37:23.322Z] 12:37:23     INFO - GECKO(4576) | [Child 8148: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (0000015AA14543E0) [pid = 8148] [serial = 1] [outer = 0000000000000000]
[task 2020-01-07T12:37:23.322Z] 12:37:23     INFO - GECKO(4576) | [Child 8148, Main Thread] WARNING: NS_ENSURE_TRUE(mPresShell) failed: file z:/build/build/src/layout/base/nsPresContext.cpp, line 848
[task 2020-01-07T12:37:23.322Z] 12:37:23     INFO - GECKO(4576) | [Child 8148: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (0000015AA1497800) [pid = 8148] [serial = 2] [outer = 0000015AA14543E0]
[task 2020-01-07T12:37:23.567Z] 12:37:23     INFO - GECKO(4576) | MEMORY STAT | vsize 2104267MB | vsizeMaxContiguous 65105353MB | residentFast 342MB | heapAllocated 150MB
[task 2020-01-07T12:37:23.567Z] 12:37:23     INFO - TEST-OK | browser/components/customizableui/test/browser_lwt_telemetry.js | took 1060ms
[task 2020-01-07T12:37:23.567Z] 12:37:23     INFO - TEST-INFO | started process screenshot
[task 2020-01-07T12:37:23.633Z] 12:37:23     INFO - TEST-INFO | screenshot: exit 0
[task 2020-01-07T12:37:23.634Z] 12:37:23     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_lwt_telemetry.js | Found an unexpected tab at the end of test run: about:blank -