Bug: Intermittent TV browser/components/customizableui/test/browser_981305_separator_insertion.js | Uncaught exception received from previously timed out test - ViewShown listener on #PanelUI-developer-tools not removed before the end of test
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-06-25 21:29:09+00:00
Resolved: 2021-07-20 17:06:02+00:00

**Filed by:** mlaza [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=343885325&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/NXMYBtAgRDWVm633m7ESww/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/NXMYBtAgRDWVm633m7ESww/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-06-25T19:26:38.591Z] 19:26:38     INFO - TEST-START | browser/components/customizableui/test/browser_981305_separator_insertion.js
[task 2021-06-25T19:26:38.669Z] 19:26:38     INFO - GECKO(3018) | [Child 3223, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:619
[task 2021-06-25T19:26:38.823Z] 19:26:38     INFO - GECKO(3018) | [Child 3223: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7f67cfe98400 == 1 [pid = 3223] [id = 0]
[task 2021-06-25T19:26:38.824Z] 19:26:38     INFO - GECKO(3018) | [Child 3223: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7f67e65643c0) [pid = 3223] [serial = 1] [outer = 0]
[task 2021-06-25T19:26:38.827Z] 19:26:38     INFO - GECKO(3018) | [Child 3223: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7f67cfe99400) [pid = 3223] [serial = 2] [outer = 7f67e65643c0]
[task 2021-06-25T19:26:39.094Z] 19:26:39     INFO - GECKO(3018) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /tmp/tmpkgej_7zy.mozrunner/runtests_leaks_tab_pid3243.log
[task 2021-06-25T19:26:39.096Z] 19:26:39     INFO - GECKO(3018) | [3243, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:248
[task 2021-06-25T19:26:39.213Z] 19:26:39     INFO - GECKO(3018) | [Child 3243, Main Thread] WARNING: could not set real-time limit in CubebUtils::InitLibrary: file /builds/worker/checkouts/gecko/dom/media/CubebUtils.cpp:619
[task 2021-06-25T19:26:42.629Z] 19:26:42     INFO - GECKO(3018) | [Child 3084: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f8977c8d400 == 0 [pid = 3084] [id = 0] [url = about:blank]
[task 2021-06-25T19:26:46.729Z] 19:26:46     INFO - GECKO(3018) | [Child 3084: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7f8977c8e800) [pid = 3084] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:46.747Z] 19:26:46     INFO - GECKO(3018) | [Child 3084: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f898e364580) [pid = 3084] [serial = 1] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:47.490Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (7f12b56a8c00) [pid = 3106] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:47.491Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (7f12b56ae000) [pid = 3106] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:47.492Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7f12b56b0400) [pid = 3106] [serial = 6] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:47.492Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7f12b577c000) [pid = 3106] [serial = 8] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:47.493Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7f12aeed7400) [pid = 3106] [serial = 10] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:47.546Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f12b56af000 == 4 [pid = 3106] [id = 2] [url = moz-extension://d761268d-fa05-444f-94f2-4ca5915ce7bb/_generated_background_page.html]
[task 2021-06-25T19:26:47.547Z] 19:26:47     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7f12cbe64ac0) [pid = 3106] [serial = 5] [outer = 0] [url = moz-extension://d761268d-fa05-444f-94f2-4ca5915ce7bb/_generated_background_page.html]
[task 2021-06-25T19:26:48.876Z] 19:26:48     INFO - GECKO(3018) | [Parent 3018: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7fca585b5c00) [pid = 3018] [serial = 8] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:49.719Z] 19:26:49     INFO - GECKO(3018) | [Child 3172: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f59c0f94000) [pid = 3172] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:50.787Z] 19:26:50     INFO - GECKO(3018) | [Child 3084: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7f89712a4000) [pid = 3084] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:50.788Z] 19:26:50     INFO - GECKO(3018) | [Child 3084: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7f8977c95800) [pid = 3084] [serial = 3] [outer = 0] [url = about:blank]
[task 2021-06-25T19:26:51.587Z] 19:26:51     INFO - GECKO(3018) | [Child 3106: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7f12ae07ac00) [pid = 3106] [serial = 13] [outer = 0] [url = moz-extension://d761268d-fa05-444f-94f2-4ca5915ce7bb/_generated_background_page.html]
[task 2021-06-25T19:28:08.621Z] 19:28:08     INFO - TEST-INFO | started process screentopng
[task 2021-06-25T19:28:09.036Z] 19:28:09     INFO - TEST-INFO | screentopng: exit 0
[task 2021-06-25T19:28:09.036Z] 19:28:09     INFO - Buffered messages logged at 19:26:38
[task 2021-06-25T19:28:09.036Z] 19:28:09     INFO - Entering test bound check_devtools_separator
[task 2021-06-25T19:28:09.036Z] 19:28:09     INFO - Checking for duplicate separators in developer-button widget
[task 2021-06-25T19:28:09.036Z] 19:28:09     INFO - Waiting for overflow button to show
[task 2021-06-25T19:28:09.036Z] 19:28:09     INFO - Console message: [JavaScript Error: "NotFoundError: No such JSWindowActor 'MarionetteEvents'"]
[task 2021-06-25T19:28:09.037Z] 19:28:09     INFO - Checking if element has non-0 size
[task 2021-06-25T19:28:09.038Z] 19:28:09     INFO - Console message: [JavaScript Warning: "browser.ui.interaction.pinned_overflow-menu - Unknown scalar."]
[task 2021-06-25T19:28:09.038Z] 19:28:09     INFO - Buffered messages finished
[task 2021-06-25T19:28:09.041Z] 19:28:09     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_981305_separator_insertion.js | Test timed out - 
[task 2021-06-25T19:28:09.042Z] 19:28:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-06-25T19:28:09.048Z] 19:28:09     INFO - TEST-UNEXPECTED-FAIL | browser/components/customizableui/test/browser_981305_separator_insertion.js | Uncaught exception received from previously timed out test - ViewShown listener on #PanelUI-developer-tools not removed before the end of test
[task 2021-06-25T19:28:09.049Z] 19:28:09     INFO - GECKO(3018) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
[task 2021-06-25T19:28:09.051Z] 19:28:09     INFO - GECKO(3018) | MEMORY STAT | vsize 2925MB | residentFast 325MB | heapAllocated 100MB
[task 2021-06-25T19:28:09.052Z] 19:28:09     INFO - TEST-OK | browser/components/customizableui/test/browser_981305_separator_insertion.js | took 90047ms
```