Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_proxy_backup.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-02-11 12:57:58+00:00
Resolved: 2021-03-16 17:04:04+00:00

**Filed by:** smolnar [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=329607038&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Jp_BOZMEQUiEpB-qrryIog/runs/0/artifacts/public/logs/live_backing.log

---
```
INFO - TEST-START | browser/components/preferences/tests/browser_proxy_backup.js
[task 2021-02-11T11:47:19.781Z] 11:47:19     INFO - Buffered messages logged at 11:41:09
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - TEST-PASS | browser/components/preferences/tests/browser_proxy_backup.js | about:preferences loaded - 
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - Buffered messages finished
[task 2021-02-11T11:47:19.807Z] 11:47:19    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_proxy_backup.js | application timed out after 370 seconds with no output
[task 2021-02-11T11:47:19.807Z] 11:47:19    ERROR - Force-terminating active process(es).
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - Determining child pids from psutil...
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - [1708, 1623, 1648, 1740, 1776, 1805, 1838]
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1574
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1623
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1648
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1708
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1740
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1776
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - ==> process 1559 launched child process 1805
[task 2021-02-11T11:47:19.807Z] 11:47:19     INFO - Found child pids: set([1776, 1574, 1708, 1740, 1805, 1838, 1648, 1623])
[task 2021-02-11T11:47:19.808Z] 11:47:19     INFO - Failed to get child procs
[task 2021-02-11T11:47:19.808Z] 11:47:19     INFO - Killing process: 1776
[task 2021-02-11T11:47:19.808Z] 11:47:19     INFO - TEST-INFO | started process screentopng
[task 2021-02-11T11:49:39.530Z] 11:49:39     INFO - TEST-INFO | screentopng: exit 0
INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:50:09.458Z] 11:50:09     INFO - failed to kill pid 1776 after 30s
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Killing process: 1574
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Error: Failed to kill process 1574: psutil.NoSuchProcess no process found with pid 1574
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Killing process: 1708
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:50:09.460Z] 11:50:09     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:50:39.500Z] 11:50:39     INFO - failed to kill pid 1708 after 30s
[task 2021-02-11T11:50:39.502Z] 11:50:39     INFO - Killing process: 1740
[task 2021-02-11T11:50:39.502Z] 11:50:39     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:50:39.502Z] 11:50:39     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:51:09.508Z] 11:51:09     INFO - failed to kill pid 1740 after 30s
[task 2021-02-11T11:51:09.508Z] 11:51:09     INFO - Killing process: 1805
[task 2021-02-11T11:51:09.508Z] 11:51:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:51:09.508Z] 11:51:09     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:51:39.531Z] 11:51:39     INFO - failed to kill pid 1805 after 30s
[task 2021-02-11T11:51:39.531Z] 11:51:39     INFO - Killing process: 1838
[task 2021-02-11T11:51:39.531Z] 11:51:39     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:51:39.531Z] 11:51:39     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:52:09.550Z] 11:52:09     INFO - failed to kill pid 1838 after 30s
[task 2021-02-11T11:52:09.550Z] 11:52:09     INFO - Killing process: 1648
[task 2021-02-11T11:52:09.550Z] 11:52:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:52:09.550Z] 11:52:09     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:52:39.565Z] 11:52:39     INFO - failed to kill pid 1648 after 30s
[task 2021-02-11T11:52:39.565Z] 11:52:39     INFO - Killing process: 1623
[task 2021-02-11T11:52:39.565Z] 11:52:39     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:52:39.574Z] 11:52:39     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:53:09.579Z] 11:53:09     INFO - failed to kill pid 1623 after 30s
[task 2021-02-11T11:53:09.579Z] 11:53:09     INFO - Killing process: 1559
[task 2021-02-11T11:53:09.579Z] 11:53:09     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-11T11:53:09.579Z] 11:53:09     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-11T11:53:39.600Z] 11:53:39     INFO - psutil found pid 1559 dead
INFO - failed to kill pid 1708 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 2171 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 2121 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 1838 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 1805 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 1776 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 2216 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 2087 after 30s
[task 2021-02-11T11:53:39.601Z] 11:53:39     INFO - failed to kill pid 1623 after 30s
[task 2021-02-11T11:53:39.602Z] 11:53:39     INFO - failed to kill pid 1648 after 30s
[task 2021-02-11T11:53:39.602Z] 11:53:39     INFO - failed to kill pid 1740 after 30s
[task 2021-02-11T11:53:39.602Z] 11:53:39     INFO - psutil found pid 1559 dead
[task 2021-02-11T11:53:39.629Z] 11:53:39  WARNING - runtests.py | Failed to get app exit code - running/crashed?
[task 2021-02-11T11:53:39.631Z] 11:53:39     INFO - TEST-INFO | Main app process: exit 0
 INFO - runtests.py | Application ran for: 0:28:13.480392
[task 2021-02-11T11:53:39.631Z] 11:53:39     INFO - zombiecheck | Reading PID log: /tmp/tmpyBDpAepidlog
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1574
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1623
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1648
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1708
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1740
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1776
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 1805
[task 2021-02-11T11:53:39.632Z] 11:53:39     INFO - ==> process 1559 launched child process 2087
[task 2021-02-11T11:53:39.633Z] 11:53:39     INFO - ==> process 1559 launched child process 2121
[task 2021-02-11T11:53:39.633Z] 11:53:39     INFO - ==> process 1559 launched child process 2171
[task 2021-02-11T11:53:39.633Z] 11:53:39     INFO - ==> process 1559 launched child process 2216
[task 2021-02-11T11:53:39.633Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1776
[task 2021-02-11T11:53:39.633Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1574
[task 2021-02-11T11:53:39.633Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 2087
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 2216
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1708
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1740
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1805
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1648
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 2121
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 1623
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - zombiecheck | Checking for orphan process with PID: 2171
[task 2021-02-11T11:53:39.634Z] 11:53:39     INFO - Stopping web server
[task 2021-02-11T11:53:39.657Z] 11:53:39     INFO - Stopping web socket server
[task 2021-02-11T11:53:39.679Z] 11:53:39     INFO - Stopping ssltunnel
[task 2021-02-11T11:53:39.699Z] 11:53:39  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
 INFO - runtests.py | Running tests: end.
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO - Buffered messages finished
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  TEST-INFO | checking window state
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  Browser Chrome Test Summary
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  	Passed: 0
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  	Failed: 0
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  	Todo: 0
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  	Mode: e10s
[task 2021-02-11T11:53:39.741Z] 11:53:39     INFO -  *** End BrowserChrome Test Results ***
[task 2021-02-11T11:53:39.743Z] 11:53:39     INFO - Buffered messages finished
[task 2021-02-11T11:53:39.743Z] 11:53:39     INFO - SUITE-END | took 1695s
[task 2021-02-11T11:53:39.804Z] 11:53:39    ERROR - Return code: 1
[task 2021-02-11T11:53:39.806Z] 11:53:39     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>154/0/0
[task 2021-02-11T11:53:39.806Z] 11:53:39    ERROR - # TBPL FAILURE #
[task 2021-02-11T11:53:39.807Z] 11:53:39  WARNING - setting return code to 2
[task 2021-02-11T11:53:39.807Z] 11:53:39    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE```