Bug: Intermittent [tier2] TV TEST-UNEXPECTED-TIMEOUT | browser/components/customizableui/test/browser_981305_separator_insertion.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-05-18 01:14:58+00:00
Resolved: 2021-06-15 17:04:04+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=339948801&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/B03I3T13Rf-HSUKce-dbFA/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/B03I3T13Rf-HSUKce-dbFA/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-05-17T23:53:40.123Z] 23:53:40     INFO - TEST-START | browser/components/customizableui/test/browser_981305_separator_insertion.js
[task 2021-05-17T23:53:40.304Z] 23:53:40     INFO - GECKO(19444) | [Child 19620: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 7fcbe2f8dc00 == 1 [pid = 19620] [id = 0]
[task 2021-05-17T23:53:40.305Z] 23:53:40     INFO - GECKO(19444) | [Child 19620: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (7fcbf9664200) [pid = 19620] [serial = 1] [outer = 0]
[task 2021-05-17T23:53:40.305Z] 23:53:40     INFO - GECKO(19444) | [Child 19620: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (7fcbe2f92800) [pid = 19620] [serial = 2] [outer = 7fcbf9664200]
[task 2021-05-17T23:53:44.484Z] 23:53:44     INFO - GECKO(19444) | [Child 19503: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7fb921bb9400 == 0 [pid = 19503] [id = 0] [url = about:blank]
[task 2021-05-17T23:53:48.606Z] 23:53:48     INFO - GECKO(19444) | [Child 19503: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 3 (7fb921bba400) [pid = 19503] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:48.642Z] 23:53:48     INFO - GECKO(19444) | [Child 19503: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7fb938264200) [pid = 19503] [serial = 1] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:49.409Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 14 (7f366559d400) [pid = 19525] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:49.410Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 13 (7f36655a3000) [pid = 19525] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:49.410Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (7f36655a5400) [pid = 19525] [serial = 6] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:49.410Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 11 (7f3665684c00) [pid = 19525] [serial = 8] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:49.410Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 10 (7f365f5d1400) [pid = 19525] [serial = 10] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:49.507Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 7f36655a4000 == 4 [pid = 19525] [id = 2] [url = moz-extension://7ee7b905-b6c6-4e46-a3f1-33ef6b428b39/_generated_background_page.html]
[task 2021-05-17T23:53:49.507Z] 23:53:49     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 9 (7f3665584e40) [pid = 19525] [serial = 5] [outer = 0] [url = moz-extension://7ee7b905-b6c6-4e46-a3f1-33ef6b428b39/_generated_background_page.html]
[task 2021-05-17T23:53:51.116Z] 23:53:51     INFO - GECKO(19444) | [Child 19585: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 2 (7f14f32b9800) [pid = 19585] [serial = 2] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:52.653Z] 23:53:52     INFO - GECKO(19444) | [Child 19503: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 1 (7fb91bbcd000) [pid = 19503] [serial = 4] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:52.654Z] 23:53:52     INFO - GECKO(19444) | [Child 19503: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 0 (7fb921bc1c00) [pid = 19503] [serial = 3] [outer = 0] [url = about:blank]
[task 2021-05-17T23:53:53.515Z] 23:53:53     INFO - GECKO(19444) | [Child 19525: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 8 (7f365e678400) [pid = 19525] [serial = 13] [outer = 0] [url = moz-extension://7ee7b905-b6c6-4e46-a3f1-33ef6b428b39/_generated_background_page.html]
[task 2021-05-18T00:00:03.526Z] 00:00:03     INFO - Buffered messages logged at 23:53:40
[task 2021-05-18T00:00:03.527Z] 00:00:03     INFO - Entering test bound check_devtools_separator
[task 2021-05-18T00:00:03.529Z] 00:00:03     INFO - Checking for duplicate separators in developer-button widget
[task 2021-05-18T00:00:03.530Z] 00:00:03     INFO - Waiting for overflow button to show
[task 2021-05-18T00:00:03.531Z] 00:00:03     INFO - Checking if element has non-0 size
[task 2021-05-18T00:00:03.532Z] 00:00:03     INFO - Buffered messages finished
[task 2021-05-18T00:00:03.535Z] 00:00:03    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/customizableui/test/browser_981305_separator_insertion.js | application timed out after 370 seconds with no output
[task 2021-05-18T00:00:03.536Z] 00:00:03    ERROR - Force-terminating active process(es).
[task 2021-05-18T00:00:03.537Z] 00:00:03     INFO - Determining child pids from psutil...
[task 2021-05-18T00:00:03.554Z] 00:00:03     INFO - [19503, 19525, 19585, 19620]
[task 2021-05-18T00:00:03.555Z] 00:00:03     INFO - ==> process 19444 launched child process 19461
[task 2021-05-18T00:00:03.556Z] 00:00:03     INFO - ==> process 19444 launched child process 19503
[task 2021-05-18T00:00:03.557Z] 00:00:03     INFO - ==> process 19444 launched child process 19525
[task 2021-05-18T00:00:03.558Z] 00:00:03     INFO - ==> process 19444 launched child process 19585
[task 2021-05-18T00:00:03.559Z] 00:00:03     INFO - ==> process 19444 launched child process 19620
[task 2021-05-18T00:00:03.560Z] 00:00:03     INFO - Found child pids: set([19461, 19585, 19620, 19525, 19503])
[task 2021-05-18T00:00:03.561Z] 00:00:03     INFO - Failed to get child procs
[task 2021-05-18T00:00:03.562Z] 00:00:03     INFO - Killing process: 19461
[task 2021-05-18T00:00:03.565Z] 00:00:03     INFO - TEST-INFO | started process screentopng
[task 2021-05-18T00:00:03.782Z] 00:00:03     INFO - TEST-INFO | screentopng: exit 0```