Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_8.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-02-05 22:46:22+00:00
Resolved: 2021-05-11 17:06:59+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=329053393&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fFk6wtUlSYyj2H3vqCdMKg/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-02-05T21:47:28.693Z] 21:47:28     INFO - TEST-START | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_8.js
[task 2021-02-05T21:53:39.094Z] 21:53:39     INFO - Buffered messages logged at 21:47:28
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Entering test bound 
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Leaving test bound 
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Entering test bound 
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Buffered messages finished
[task 2021-02-05T21:53:39.114Z] 21:53:39    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/preferences/tests/browser_search_subdialogs_within_preferences_8.js | application timed out after 370 seconds with no output
[task 2021-02-05T21:53:39.114Z] 21:53:39    ERROR - Force-terminating active process(es).
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Determining child pids from psutil...
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - [1622, 1647, 1738, 1771, 1802, 1826, 1706]
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1572
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1622
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1647
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1706
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1738
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1771
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - ==> process 1557 launched child process 1802
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Found child pids: set([1826, 1572, 1706, 1738, 1771, 1647, 1622, 1802])
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Failed to get child procs
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - Killing process: 1826
[task 2021-02-05T21:53:39.114Z] 21:53:39     INFO - TEST-INFO | started process screentopng
[task 2021-02-05T21:56:10.622Z] 21:56:10     INFO - TEST-INFO | screentopng: exit 0
[task 2021-02-05T21:56:10.633Z] 21:56:10     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:56:40.620Z] 21:56:40     INFO - failed to kill pid 1826 after 30s
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Killing process: 1572
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Error: Failed to kill process 1572: psutil.NoSuchProcess no process found with pid 1572
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Killing process: 1706
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:56:40.623Z] 21:56:40     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:57:10.649Z] 21:57:10     INFO - failed to kill pid 1706 after 30s
[task 2021-02-05T21:57:10.650Z] 21:57:10     INFO - Killing process: 1738
[task 2021-02-05T21:57:10.650Z] 21:57:10     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:57:10.650Z] 21:57:10     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:57:40.680Z] 21:57:40     INFO - failed to kill pid 1738 after 30s
[task 2021-02-05T21:57:40.681Z] 21:57:40     INFO - Killing process: 1771
[task 2021-02-05T21:57:40.681Z] 21:57:40     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:57:40.681Z] 21:57:40     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:58:10.770Z] 21:58:10     INFO - failed to kill pid 1771 after 30s
[task 2021-02-05T21:58:10.774Z] 21:58:10     INFO - Killing process: 1647
[task 2021-02-05T21:58:10.774Z] 21:58:10     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:58:10.774Z] 21:58:10     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:58:40.743Z] 21:58:40     INFO - failed to kill pid 1647 after 30s
[task 2021-02-05T21:58:40.743Z] 21:58:40     INFO - Killing process: 1622
[task 2021-02-05T21:58:40.743Z] 21:58:40     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:58:40.743Z] 21:58:40     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:59:10.754Z] 21:59:10     INFO - failed to kill pid 1622 after 30s
[task 2021-02-05T21:59:10.754Z] 21:59:10     INFO - Killing process: 1802
[task 2021-02-05T21:59:10.754Z] 21:59:10     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:59:10.754Z] 21:59:10     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T21:59:40.783Z] 21:59:40     INFO - failed to kill pid 1802 after 30s
[task 2021-02-05T21:59:40.783Z] 21:59:40     INFO - Killing process: 1557
[task 2021-02-05T21:59:40.783Z] 21:59:40     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-02-05T21:59:40.783Z] 21:59:40     INFO - Can't trigger Breakpad, just killing process
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - psutil found pid 1557 dead
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - failed to kill pid 1622 after 30s
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - failed to kill pid 1738 after 30s
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - failed to kill pid 1647 after 30s
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - failed to kill pid 1771 after 30s
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - failed to kill pid 2188 after 30s
[task 2021-02-05T22:00:10.811Z] 22:00:10     INFO - failed to kill pid 2198 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 2288 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 2256 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 1826 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 2233 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 2151 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 1802 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - failed to kill pid 1706 after 30s
[task 2021-02-05T22:00:10.812Z] 22:00:10     INFO - psutil found pid 1557 dead
[task 2021-02-05T22:00:10.828Z] 22:00:10  WARNING - runtests.py | Failed to get app exit code - running/crashed?
[task 2021-02-05T22:00:10.828Z] 22:00:10     INFO - TEST-INFO | Main app process: exit 0
[task 2021-02-05T22:00:10.828Z] 22:00:10     INFO - runtests.py | Application ran for: 0:31:58.562798
[task 2021-02-05T22:00:10.828Z] 22:00:10     INFO - zombiecheck | Reading PID log: /tmp/tmpVMKjRwpidlog
[task 2021-02-05T22:00:10.828Z] 22:00:10     INFO - ==> process 1557 launched child process 1572
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 1622
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 1647
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 1706
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 1738
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 1771
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 1802
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 2151
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 2198
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 2233
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 2256
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - ==> process 1557 launched child process 2288
[task 2021-02-05T22:00:10.829Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 2288
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1572
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 2198
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 2151
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1706
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1771
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1647
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 2256
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1802
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1622
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 2233
[task 2021-02-05T22:00:10.830Z] 22:00:10     INFO - zombiecheck | Checking for orphan process with PID: 1738
[task 2021-02-05T22:00:10.834Z] 22:00:10     INFO - Stopping web server
[task 2021-02-05T22:00:10.854Z] 22:00:10     INFO - Stopping web socket server
[task 2021-02-05T22:00:10.874Z] 22:00:10     INFO - Stopping ssltunnel
[task 2021-02-05T22:00:10.894Z] 22:00:10  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
[task 2021-02-05T22:00:10.895Z] 22:00:10     INFO - runtests.py | Running tests: end.
[task 2021-02-05T22:00:10.962Z] 22:00:10     INFO - Buffered messages finished
[task 2021-02-05T22:00:10.962Z] 22:00:10     INFO -  TEST-INFO | checking window state
[task 2021-02-05T22:00:10.962Z] 22:00:10     INFO -  Browser Chrome Test Summary
[task 2021-02-05T22:00:10.963Z] 22:00:10     INFO -  	Passed: 0
[task 2021-02-05T22:00:10.963Z] 22:00:10     INFO -  	Failed: 0
[task 2021-02-05T22:00:10.963Z] 22:00:10     INFO -  	Todo: 0
[task 2021-02-05T22:00:10.963Z] 22:00:10     INFO -  	Mode: e10s
[task 2021-02-05T22:00:10.963Z] 22:00:10     INFO -  *** End BrowserChrome Test Results ***
[task 2021-02-05T22:00:10.963Z] 22:00:10     INFO - Buffered messages finished
[task 2021-02-05T22:00:10.964Z] 22:00:10     INFO - SUITE-END | took 1920s
[task 2021-02-05T22:00:11.029Z] 22:00:11    ERROR - Return code: 1
[task 2021-02-05T22:00:11.036Z] 22:00:11     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>165/0/0
[task 2021-02-05T22:00:11.037Z] 22:00:11    ERROR - # TBPL FAILURE #
[task 2021-02-05T22:00:11.037Z] 22:00:11  WARNING - setting return code to 2
[task 2021-02-05T22:00:11.037Z] 22:00:11    ERROR - The mochitest suite: mochitest-browser-chrome ran with return status: FAILURE
[task 2021-02-05T22:00:11.037Z] 22:00:11     INFO - Running post-action listener: _package_coverage_data
[task 2021-02-05T22:00:11.037Z] 22:00:11     INFO - Running post-action listener: _resource_record_post_action
[task 2021-02-05T22:00:11.037Z] 22:00:11     INFO - Running post-action listener: process_java_coverage_data
[task 2021-02-05T22:00:11.038Z] 22:00:11     INFO - [mozharness: 2021-02-05 22:00:11.038229Z] Finished run-tests step (success)
[task 2021-02-05T22:00:11.039Z] 22:00:11     INFO - Running post-run listener: _resource_record_post_run
[task 2021-02-05T22:00:11.260Z] 22:00:11     INFO - Validating Perfherder data against /builds/worker/workspace/mozharness/external_tools/performance-artifact-schema.json
[task 2021-02-05T22:00:11.264Z] 22:00:11     INFO - PERFHERDER_DATA: {"framework": {"name": "job_resource_usage"}, "suites": [{"subtests": [{"name": "cpu_percent", "value": 22.72039648749332}, {"name": "io_write_bytes", "value": 2162069504}, {"name": "io.read_bytes", "value": 162421854208}, {"name": "io_write_time", "value": 270912}, {"name": "io_read_time", "value": 6843280}], "extraOptions": ["e10s", "taskcluster-c5.xlarge"], "name": "mochitest.mochitest-browser-chrome.overall"}, {"subtests": [{"name": "time", "value": 0.01648998260498047}], "name": "mochitest.mochitest-browser-chrome.start-pulseaudio"}, {"subtests": [{"name": "time", "value": 30.334980964660645}, {"name": "cpu_percent", "value": 25.189655172413794}], "name": "mochitest.mochitest-browser-chrome.install"}, {"subtests": [{"name": "time", "value": 0.00016379356384277344}], "name": "mochitest.mochitest-browser-chrome.stage-files"}, {"subtests": [{"name": "time", "value": 1921.5305490493774}, {"name": "cpu_percent", "value": 22.684780844155814}], "name": "mochitest.mochitest-browser-chrome.run-tests"}]}
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - Total resource usage - Wall time: 1952s; CPU: 23.0%; Read bytes: 162421854208; Write bytes: 2162069504; Read time: 6843280; Write time: 270912
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: CPU usage<br/>22.7%
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: I/O read bytes / time<br/>162,421,854,208 / 6,843,280
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: I/O write bytes / time<br/>2,162,069,504 / 270,912
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: CPU idle<br/>4,871.6 (62.7%)
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: CPU iowait<br/>1,073.3 (13.8%)
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: CPU system<br/>129.2 (1.7%)
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: CPU user<br/>1,698.0 (21.8%)
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - TinderboxPrint: Swap in / out<br/>0 / 0
[task 2021-02-05T22:00:11.265Z] 22:00:11     INFO - start-pulseaudio - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2021-02-05T22:00:11.266Z] 22:00:11     INFO - install - Wall time: 30s; CPU: 25.0%; Read bytes: 8192; Write bytes: 1627348992; Read time: 12; Write time: 190212
[task 2021-02-05T22:00:11.267Z] 22:00:11     INFO - stage-files - Wall time: 0s; CPU: Can't collect data; Read bytes: 0; Write bytes: 0; Read time: 0; Write time: 0
[task 2021-02-05T22:00:11.278Z] 22:00:11     INFO - run-tests - Wall time: 1922s; CPU: 23.0%; Read bytes: 162421555200; Write bytes: 261459968; Read time: 6842204; Write time: 40640
[task 2021-02-05T22:00:11.576Z] 22:00:11  WARNING - returning nonzero exit status 2
[task 2021-02-05T22:00:11.610Z] cleanup
[task 2021-02-05T22:00:11.610Z] + cleanup
[task 2021-02-05T22:00:11.610Z] + local rv=2
[task 2021-02-05T22:00:11.610Z] + [[ -s /builds/worker/.xsession-errors ]]
[task 2021-02-05T22:00:11.610Z] + cp /builds/worker/.xsession-errors /builds/worker/artifacts/public/xsession-errors.log
[task 2021-02-05T22:00:11.638Z] + '[' ']'
[task 2021-02-05T22:00:11.638Z] + true
[task 2021-02-05T22:00:11.638Z] + cleanup_xvfb
[task 2021-02-05T22:00:11.638Z] ++ pidof Xvfb
[task 2021-02-05T22:00:11.643Z] + local xvfb_pid=51
[task 2021-02-05T22:00:11.643Z] + local vnc=false
[task 2021-02-05T22:00:11.644Z] + local interactive=false
[task 2021-02-05T22:00:11.644Z] + '[' -n 51 ']'
[task 2021-02-05T22:00:11.644Z] + [[ false == false ]]
[task 2021-02-05T22:00:11.644Z] + [[ false == false ]]
[task 2021-02-05T22:00:11.644Z] + kill 51
[task 2021-02-05T22:00:11.644Z] + screen -XS xvfb quit
[task 2021-02-05T22:00:11.688Z] + exit 2
[taskcluster 2021-02-05 22:00:13.109Z] === Task Finished ===
[taskcluster 2021-02-05 22:00:15.108Z] Unsuccessful task run with exit code: 2 completed in 2237.639 seconds```