Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/sessionstore/test/browser_closed_objects_changed_notifications_tabs.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-01-06 18:45:24+00:00
Resolved: 2021-05-04 17:04:47+00:00

**Filed by:** csabou [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=325995615&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/E-h-OKOGQMCQkLhnodhHHw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-01-06T17:31:32.707Z] 17:31:31     INFO - TEST-PASS | browser/components/sessionstore/test/browser_closed_objects_changed_notifications_tabs.js | The expected number of notifications was received. - 
[task 2021-01-06T17:31:39.105Z] 17:31:38     INFO - Opening and closing another tab.
[task 2021-01-06T17:31:45.640Z] 17:31:43     INFO - Buffered messages finished
[task 2021-01-06T17:31:53.960Z] 17:31:52    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/sessionstore/test/browser_closed_objects_changed_notifications_tabs.js | application timed out after 370 seconds with no output
[task 2021-01-06T17:31:59.627Z] 17:31:58    ERROR - Force-terminating active process(es).
[task 2021-01-06T17:32:04.555Z] 17:32:03     INFO - Determining child pids from psutil...
[task 2021-01-06T17:32:47.759Z] 17:32:46     INFO - [1637, 1662, 1723, 1755, 1788, 1832]
[task 2021-01-06T17:33:01.991Z] 17:33:00     INFO - ==> process 1566 launched child process 1581
[task 2021-01-06T17:33:05.927Z] 17:33:04     INFO - ==> process 1566 launched child process 1637
[task 2021-01-06T17:33:11.904Z] 17:33:10     INFO - ==> process 1566 launched child process 1662
[task 2021-01-06T17:33:17.066Z] 17:33:15     INFO - ==> process 1566 launched child process 1723
[task 2021-01-06T17:33:24.939Z] 17:33:23     INFO - ==> process 1566 launched child process 1755
[task 2021-01-06T17:33:33.599Z] 17:33:31     INFO - ==> process 1566 launched child process 1788
[task 2021-01-06T17:33:39.666Z] 17:33:38     INFO - ==> process 1566 launched child process 1832
[task 2021-01-06T17:33:45.286Z] 17:33:44     INFO - Found child pids: set([1723, 1637, 1832, 1581, 1755, 1788, 1662])
[task 2021-01-06T17:34:16.029Z] 17:34:14     INFO - Failed to get child procs
[task 2021-01-06T17:34:21.985Z] 17:34:20     INFO - Killing process: 1723
[task 2021-01-06T17:34:27.122Z] 17:34:26     INFO - TEST-INFO | started process screentopng
[task 2021-01-06T17:40:27.933Z] 17:40:27     INFO - TEST-INFO | screentopng: exit 0
[task 2021-01-06T17:40:27.933Z] 17:40:27     INFO - TEST-INFO | screentopng: exit 0
[task 2021-01-06T17:40:27.960Z] 17:40:27     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:31.328Z] 17:40:31     INFO - psutil found pid 1723 dead
[task 2021-01-06T17:40:31.328Z] 17:40:31     INFO - Killing process: 1637
[task 2021-01-06T17:40:31.328Z] 17:40:31     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:31.328Z] 17:40:31     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:33.843Z] 17:40:33     INFO - psutil found pid 1637 dead
[task 2021-01-06T17:40:33.843Z] 17:40:33     INFO - Killing process: 1832
[task 2021-01-06T17:40:33.843Z] 17:40:33     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:33.843Z] 17:40:33     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:36.782Z] 17:40:36     INFO - psutil found pid 1832 dead
[task 2021-01-06T17:40:36.783Z] 17:40:36     INFO - Killing process: 1581
[task 2021-01-06T17:40:36.784Z] 17:40:36     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:36.784Z] 17:40:36     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:36.785Z] 17:40:36     INFO - Error: Failed to kill process 1581: psutil.NoSuchProcess no process found with pid 1581
[task 2021-01-06T17:40:36.788Z] 17:40:36     INFO - Killing process: 1755
[task 2021-01-06T17:40:36.789Z] 17:40:36     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:36.789Z] 17:40:36     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:39.363Z] 17:40:39     INFO - psutil found pid 1755 dead
[task 2021-01-06T17:40:39.363Z] 17:40:39     INFO - Killing process: 1788
[task 2021-01-06T17:40:39.363Z] 17:40:39     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:39.364Z] 17:40:39     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:41.411Z] 17:40:41     INFO - psutil found pid 1788 dead
[task 2021-01-06T17:40:41.411Z] 17:40:41     INFO - Killing process: 1662
[task 2021-01-06T17:40:41.411Z] 17:40:41     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:41.411Z] 17:40:41     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:40:44.382Z] 17:40:44     INFO - psutil found pid 1662 dead
[task 2021-01-06T17:40:44.382Z] 17:40:44     INFO - Killing process: 1566
[task 2021-01-06T17:40:44.383Z] 17:40:44     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-01-06T17:40:44.383Z] 17:40:44     INFO - Can't trigger Breakpad, just killing process
[task 2021-01-06T17:41:14.420Z] 17:41:14     INFO - psutil found pid 1566 dead
[task 2021-01-06T17:41:14.420Z] 17:41:14     INFO - failed to kill pid 2038 after 30s
[task 2021-01-06T17:41:14.420Z] 17:41:14     INFO - failed to kill pid 2072 after 30s
[task 2021-01-06T17:41:14.421Z] 17:41:14     INFO - psutil found pid 1566 dead
[task 2021-01-06T17:41:14.436Z] 17:41:14  WARNING - runtests.py | Failed to get app exit code - running/crashed?
[task 2021-01-06T17:41:14.436Z] 17:41:14     INFO - TEST-INFO | Main app process: exit 0
[task 2021-01-06T17:41:14.436Z] 17:41:14     INFO - runtests.py | Application ran for: 0:24:58.631901
[task 2021-01-06T17:41:14.436Z] 17:41:14     INFO - zombiecheck | Reading PID log: /tmp/tmppP6ZOfpidlog
[task 2021-01-06T17:41:14.436Z] 17:41:14     INFO - ==> process 1566 launched child process 1581
[task 2021-01-06T17:41:14.437Z] 17:41:14     INFO - ==> process 1566 launched child process 1637
[task 2021-01-06T17:41:14.437Z] 17:41:14     INFO - ==> process 1566 launched child process 1662
[task 2021-01-06T17:41:14.437Z] 17:41:14     INFO - ==> process 1566 launched child process 1723
[task 2021-01-06T17:41:14.437Z] 17:41:14     INFO - ==> process 1566 launched child process 1755
[task 2021-01-06T17:41:14.437Z] 17:41:14     INFO - ==> process 1566 launched child process 1788
[task 2021-01-06T17:41:14.437Z] 17:41:14     INFO - ==> process 1566 launched child process 1832
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - ==> process 1566 launched child process 2038
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - ==> process 1566 launched child process 2072
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1723
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1637
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1832
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1581
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 2038
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 2072
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1755
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1788
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - zombiecheck | Checking for orphan process with PID: 1662
[task 2021-01-06T17:41:14.438Z] 17:41:14     INFO - Stopping web server
[task 2021-01-06T17:41:14.459Z] 17:41:14     INFO - Stopping web socket server
[task 2021-01-06T17:41:14.479Z] 17:41:14     INFO - Stopping ssltunnel
[task 2021-01-06T17:41:14.500Z] 17:41:14  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
[task 2021-01-06T17:41:14.500Z] 17:41:14     INFO - runtests.py | Running tests: end.
[task 2021-01-06T17:41:14.567Z] 17:41:14     INFO - Buffered messages finished
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  TEST-INFO | checking window state
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  Browser Chrome Test Summary
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  	Passed: 0
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  	Failed: 0
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  	Todo: 0
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  	Mode: e10s
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO -  *** End BrowserChrome Test Results ***
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO - Buffered messages finished
[task 2021-01-06T17:41:14.568Z] 17:41:14     INFO - SUITE-END | took 1500s
[task 2021-01-06T17:41:14.645Z] 17:41:14    ERROR - Return code: 1```