Bug: Intermittent TEST-UNEXPECTED-TIMEOUT | browser/components/customizableui/test/browser_947914_button_print.js | application timed out after 370 seconds with no output
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-01-16 02:39:25+00:00
Resolved: 2021-03-02 17:04:16+00:00

**Filed by:** nerli [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=326873758&repo=mozilla-central
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/E_ZoNXeFTl2uIyAk1ne98Q/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-01-16T01:26:52.714Z] 01:26:52     INFO - TEST-START | browser/components/customizableui/test/browser_947914_button_print.js
[task 2021-01-16T01:26:53.800Z] 01:26:53     INFO - GECKO(2172) | JavaScript error: resource://gre/actors/PrintingChild.jsm, line 41: TypeError: can't access property "addEventListener", this.contentWindow is null
[task 2021-01-16T01:33:03.819Z] 01:33:03     INFO - Buffered messages logged at 01:26:52
[task 2021-01-16T01:33:03.819Z] 01:33:03     INFO - Entering test bound 
[task 2021-01-16T01:33:03.819Z] 01:33:03     INFO - Buffered messages logged at 01:26:53
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Check print button existence and functionality
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Waiting for overflow button to show
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Checking if element has non-0 size
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Menu panel was opened
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - TEST-PASS | browser/components/customizableui/test/browser_947914_button_print.js | Print button exists in Panel Menu - 
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Global property added while loading chrome://global/content/printUtils.js: gFocusedElement
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Global property added while loading chrome://global/content/printUtils.js: gPendingPrintPreviews
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Global property added while loading chrome://global/content/printUtils.js: PRINT_TAB_MODAL
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Global property added while loading chrome://global/content/printUtils.js: PRINT_ALWAYS_SILENT
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Global property added while loading chrome://global/content/printUtils.js: PromptUtils
[task 2021-01-16T01:33:03.820Z] 01:33:03     INFO - Global property added while loading chrome://global/content/printUtils.js: PrintingParent
[task 2021-01-16T01:33:03.821Z] 01:33:03     INFO - Console message: [JavaScript Warning: "browser.ui.interaction.pinned_overflow-menu - Unknown scalar."]
[task 2021-01-16T01:33:03.821Z] 01:33:03     INFO - Buffered messages finished
[task 2021-01-16T01:33:03.821Z] 01:33:03    ERROR - TEST-UNEXPECTED-TIMEOUT | browser/components/customizableui/test/browser_947914_button_print.js | application timed out after 370 seconds with no output
[task 2021-01-16T01:33:03.821Z] 01:33:03    ERROR - Force-terminating active process(es).
[task 2021-01-16T01:33:03.821Z] 01:33:03     INFO - Determining child pids from psutil...
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - [8604]
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - ==> process 8604 launched child process 9684 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.0.1112138498\345065319" -parentBuildID 20210115215319 -prefsHandle 2260 -prefMapHandle 2252 -prefsLen 1 -prefMapSize 243424 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 2320 gpu)
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - ==> process 8604 launched child process 4056 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.6.1210937131\872140191" -childID 1 -isForBrowser -prefsHandle 2892 -prefMapHandle 2880 -prefsLen 1684 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 2916 tab)
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - ==> process 8604 launched child process 7212 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.13.1322380775\910973888" -childID 2 -isForBrowser -prefsHandle 3220 -prefMapHandle 3208 -prefsLen 1789 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 3228 tab)
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - ==> process 8604 launched child process 7912 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.20.401284418\1330401" -childID 3 -isForBrowser -prefsHandle 3208 -prefMapHandle 3220 -prefsLen 1829 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 3468 tab)
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - ==> process 8604 launched child process 10412 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.27.1528176960\985855698" -childID 4 -isForBrowser -prefsHandle 4216 -prefMapHandle 4212 -prefsLen 11228 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 4184 tab)
[task 2021-01-16T01:33:03.826Z] 01:33:03     INFO - ==> process 8604 launched child process 3520 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.34.1885352118\953170420" -childID 5 -isForBrowser -prefsHandle 2980 -prefMapHandle 4328 -prefsLen 11228 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 4224 tab)
[task 2021-01-16T01:33:03.827Z] 01:33:03     INFO - ==> process 8604 launched child process 8408 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.41.419431721\1418185151" -childID 6 -isForBrowser -prefsHandle 4556 -prefMapHandle 4552 -prefsLen 11228 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 4564 tab)
[task 2021-01-16T01:33:03.827Z] 01:33:03     INFO - ==> process 8604 launched child process 3552 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.42.413763811\1544375701" -childID 7 -isForBrowser -prefsHandle 4588 -prefMapHandle 4584 -prefsLen 11228 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 4612 tab)
[task 2021-01-16T01:33:03.827Z] 01:33:03     INFO - ==> process 8604 launched child process 5464 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.55.1413408605\212840801" -childID 8 -isForBrowser -prefsHandle 4552 -prefMapHandle 4876 -prefsLen 11256 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 4956 tab)
[task 2021-01-16T01:33:03.827Z] 01:33:03     INFO - ==> process 8604 launched child process 3176 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.62.950427342\944654947" -childID 9 -isForBrowser -prefsHandle 4624 -prefMapHandle 5236 -prefsLen 11656 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 5256 tab)
[task 2021-01-16T01:33:03.827Z] 01:33:03     INFO - ==> process 8604 launched child process 3156 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.69.933354830\1956409124" -childID 10 -isForBrowser -prefsHandle 6000 -prefMapHandle 6080 -prefsLen 12174 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 2700 tab)
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - ==> process 8604 launched child process 10808 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.70.1668604323\1611465249" -childID 11 -isForBrowser -prefsHandle 5916 -prefMapHandle 6036 -prefsLen 12174 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 6116 tab)
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - ==> process 8604 launched child process 712 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.71.1136530753\2035773364" -childID 12 -isForBrowser -prefsHandle 6096 -prefMapHandle 6092 -prefsLen 12174 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 4804 tab)
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - ==> process 8604 launched child process 10232 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.90.1409454017\1976149906" -childID 13 -isForBrowser -prefsHandle 6568 -prefMapHandle 6564 -prefsLen 12293 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 6588 tab)
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - ==> process 8604 launched child process 3676 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.97.1889451503\425364272" -childID 14 -isForBrowser -prefsHandle 6476 -prefMapHandle 6232 -prefsLen 12340 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 6176 tab)
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - ==> process 8604 launched child process 10124 ("Z:\task_1610759872\build\application\firefox\firefox.exe" -contentproc --channel="8604.104.456848260\1068459948" -childID 15 -isForBrowser -prefsHandle 4072 -prefMapHandle 6128 -prefsLen 12677 -prefMapSize 243424 -parentBuildID 20210115215319 -appdir "Z:\task_1610759872\build\application\firefox\browser" - 8604 "\\.\pipe\gecko-crash-server-pipe.8604" 6368 tab)
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - Found child pids: set([3520, 3552, 3156, 5464, 10808, 7912, 7212, 3676, 10412, 10124, 8408, 9684, 10232, 4056, 3176, 8604, 712])
[task 2021-01-16T01:33:03.828Z] 01:33:03     INFO - Failed to get child procs
[task 2021-01-16T01:33:03.829Z] 01:33:03     INFO - Killing process: 3520```