Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_languages_subdialog.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2022-06-21 18:15:06+00:00
Resolved: 2022-07-27 18:36:36+00:00

**Filed by:** ccozmuta [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=382052216&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/CfsCAyoxRJ2YHetIdf8vqg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-06-21T17:31:10.272Z] 17:31:10     INFO - TEST-START | browser/components/preferences/tests/browser_languages_subdialog.js
[task 2022-06-21T17:37:20.919Z] 17:37:20     INFO - Buffered messages logged at 17:31:10
[task 2022-06-21T17:37:20.919Z] 17:37:20     INFO - Entering test bound 
[task 2022-06-21T17:37:20.920Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | The dialog is invisible. - 
[task 2022-06-21T17:37:20.920Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | Check the proper URL is loaded - 
[task 2022-06-21T17:37:20.920Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | Element should not be null, when checking visibility - 
[task 2022-06-21T17:37:20.921Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | Overlay is visible - 
[task 2022-06-21T17:37:20.921Z] 17:37:20     INFO - found chrome://browser/skin/preferences/preferences.css
[task 2022-06-21T17:37:20.921Z] 17:37:20     INFO - found chrome://global/skin/in-content/common.css
[task 2022-06-21T17:37:20.922Z] 17:37:20     INFO - found chrome://browser/skin/preferences/dialog.css
[task 2022-06-21T17:37:20.922Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | All expectedStyleSheetURLs should have been found - 
[task 2022-06-21T17:37:20.922Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | The dialog is visible. - 
[task 2022-06-21T17:37:20.923Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | The 'Request English' checkbox is hidden. - 
[task 2022-06-21T17:37:20.923Z] 17:37:20     INFO - TEST-PASS | browser/components/preferences/tests/browser_languages_subdialog.js | The dialog is invisible. - 
[task 2022-06-21T17:37:20.923Z] 17:37:20     INFO - Buffered messages finished
[task 2022-06-21T17:37:20.923Z] 17:37:20    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_languages_subdialog.js | application timed out after 370 seconds with no output
[task 2022-06-21T17:37:20.924Z] 17:37:20    ERROR - Force-terminating active process(es).
[task 2022-06-21T17:37:20.924Z] 17:37:20     INFO - Determining child pids from psutil...
[task 2022-06-21T17:37:20.924Z] 17:37:20     INFO - [3262, 3263, 3264, 3265, 3266, 3267, 3268, 3273, 3274]
[task 2022-06-21T17:37:20.924Z] 17:37:20     INFO - ==> process 3261 launched child process 3262
[task 2022-06-21T17:37:20.925Z] 17:37:20     INFO - ==> process 3261 launched child process 3263
[task 2022-06-21T17:37:20.925Z] 17:37:20     INFO - ==> process 3261 launched child process 3264
[task 2022-06-21T17:37:20.925Z] 17:37:20     INFO - ==> process 3261 launched child process 3265
[task 2022-06-21T17:37:20.926Z] 17:37:20     INFO - ==> process 3261 launched child process 3266
[task 2022-06-21T17:37:20.926Z] 17:37:20     INFO - ==> process 3261 launched child process 3267
[task 2022-06-21T17:37:20.926Z] 17:37:20     INFO - ==> process 3261 launched child process 3268
[task 2022-06-21T17:37:20.926Z] 17:37:20     INFO - ==> process 3261 launched child process 3273
[task 2022-06-21T17:37:20.927Z] 17:37:20     INFO - ==> process 3261 launched child process 3274
[task 2022-06-21T17:37:20.927Z] 17:37:20     INFO - Found child pids: {3264, 3265, 3266, 3267, 3268, 3273, 3274, 3262, 3263}
[task 2022-06-21T17:37:20.927Z] 17:37:20     INFO - Killing process: 3264
[task 2022-06-21T17:37:20.928Z] 17:37:20     INFO - TEST-INFO | started process screencapture
[task 2022-06-21T17:37:21.040Z] 17:37:21     INFO - TEST-INFO | screencapture: exit 0
[task 2022-06-21T17:37:21.040Z] 17:37:21     INFO - Killing process: 3265
[task 2022-06-21T17:37:21.040Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.041Z] 17:37:21     INFO - Killing process: 3266
[task 2022-06-21T17:37:21.041Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.042Z] 17:37:21     INFO - Killing process: 3267
[task 2022-06-21T17:37:21.042Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.042Z] 17:37:21     INFO - Killing process: 3268
[task 2022-06-21T17:37:21.043Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.043Z] 17:37:21     INFO - Killing process: 3273
[task 2022-06-21T17:37:21.043Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.044Z] 17:37:21     INFO - Killing process: 3274
[task 2022-06-21T17:37:21.044Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.044Z] 17:37:21     INFO - Killing process: 3262
[task 2022-06-21T17:37:21.045Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:21.045Z] 17:37:21     INFO - Killing process: 3263
[task 2022-06-21T17:37:21.045Z] 17:37:21     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:51.102Z] 17:37:51  WARNING - failed to kill pid 3268 after 30s
[task 2022-06-21T17:37:51.102Z] 17:37:51  WARNING - failed to kill pid 3274 after 30s
[task 2022-06-21T17:37:51.103Z] 17:37:51  WARNING - failed to kill pid 3262 after 30s
[task 2022-06-21T17:37:51.103Z] 17:37:51  WARNING - failed to kill pid 3263 after 30s
[task 2022-06-21T17:37:51.104Z] 17:37:51  WARNING - failed to kill pid 3265 after 30s
[task 2022-06-21T17:37:51.104Z] 17:37:51  WARNING - failed to kill pid 3264 after 30s
[task 2022-06-21T17:37:51.105Z] 17:37:51  WARNING - failed to kill pid 3266 after 30s
[task 2022-06-21T17:37:51.105Z] 17:37:51  WARNING - failed to kill pid 3273 after 30s
[task 2022-06-21T17:37:51.105Z] 17:37:51  WARNING - failed to kill pid 3267 after 30s
[task 2022-06-21T17:37:51.106Z] 17:37:51     INFO - Killing process: 3261
[task 2022-06-21T17:37:51.106Z] 17:37:51     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-06-21T17:37:51.288Z] 17:37:51     INFO - psutil found pid 3261 dead
[task 2022-06-21T17:37:51.289Z] 17:37:51     INFO - TEST-INFO | Main app process: exit 0
[task 2022-06-21T17:37:51.289Z] 17:37:51     INFO - runtests.py | Application ran for: 0:07:39.874622
```