Bug: Intermittent browser/components/shell/test/browser_setDesktopBackgroundPreview.js | uncaught exception - TypeError: can't access property "setDesktopBackground", gContextMenu is null at oncommand@chrome://browser/content/browser.xhtml:1:1
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2020-04-12 20:30:02+00:00
Resolved: 2020-12-08 17:02:10+00:00

**Filed by:** shindli [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer.html#?job_id=297299253&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/bfgxg_vIRT2RIFW-GDabNA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-04-12T19:50:24.993Z] 19:50:24     INFO - TEST-START | browser/components/shell/test/browser_setDesktopBackgroundPreview.js
[task 2020-04-12T19:50:25.705Z] 19:50:25     INFO - TEST-INFO | started process screentopng
[task 2020-04-12T19:50:26.022Z] 19:50:26     INFO - TEST-INFO | screentopng: exit 0
[task 2020-04-12T19:50:26.022Z] 19:50:26     INFO - Buffered messages logged at 19:50:24
[task 2020-04-12T19:50:26.023Z] 19:50:26     INFO - Entering test bound 
[task 2020-04-12T19:50:26.023Z] 19:50:26     INFO - Buffered messages finished
[task 2020-04-12T19:50:26.023Z] 19:50:26     INFO - TEST-UNEXPECTED-FAIL | browser/components/shell/test/browser_setDesktopBackgroundPreview.js | uncaught exception - TypeError: can't access property "setDesktopBackground", gContextMenu is null at oncommand@chrome://browser/content/browser.xhtml:1:1
[task 2020-04-12T19:50:26.023Z] 19:50:26     INFO - @chrome://mochitests/content/browser/browser/components/shell/test/browser_setDesktopBackgroundPreview.js:31:63
[task 2020-04-12T19:50:26.023Z] 19:50:26     INFO - async*withNewTab@resource://testing-common/BrowserTestUtils.jsm:150:24
[task 2020-04-12T19:50:26.023Z] 19:50:26     INFO - async*@chrome://mochitests/content/browser/browser/components/shell/test/browser_setDesktopBackgroundPreview.js:10:26
[task 2020-04-12T19:50:26.024Z] 19:50:26     INFO - Tester_execTest/<@chrome://mochikit/content/browser-test.js:1062:34
[task 2020-04-12T19:50:26.024Z] 19:50:26     INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1097:11
[task 2020-04-12T19:50:26.024Z] 19:50:26     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:925:14
[task 2020-04-12T19:50:26.024Z] 19:50:26     INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:918:23
[task 2020-04-12T19:50:26.024Z] 19:50:26     INFO - 
[task 2020-04-12T19:50:26.024Z] 19:50:26     INFO - Stack trace:
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:simpletestOnerror:1950
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochitests/content/browser/browser/components/shell/test/browser_setDesktopBackgroundPreview.js:null:31
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - resource://testing-common/BrowserTestUtils.jsm:withNewTab:150
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochitests/content/browser/browser/components/shell/test/browser_setDesktopBackgroundPreview.js:null:10
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1062
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1097
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:925
[task 2020-04-12T19:50:26.025Z] 19:50:26     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:918
[task 2020-04-12T19:50:26.026Z] 19:50:26     INFO - GECKO(3561) | JavaScript error: chrome://browser/content/browser.xhtml, line 1: TypeError: can't access property "setDesktopBackground", gContextMenu is null
[task 2020-04-12T19:50:26.026Z] 19:50:26     INFO - Console message: [JavaScript Error: "TypeError: can't access property "setDesktopBackground", gContextMenu is null" {file: "chrome://browser/content/browser.xhtml" line: 1}]
[task 2020-04-12T19:50:26.026Z] 19:50:26     INFO - oncommand@chrome://browser/content/browser.xhtml:1:1
[task 2020-04-12T19:50:26.026Z] 19:50:26     INFO - @chrome://mochitests/content/browser/browser/components/shell/test/browser_setDesktopBackgroundPreview.js:31:63
[task 2020-04-12T19:50:26.027Z] 19:50:26     INFO - async*withNewTab@resource://testing-common/BrowserTestUtils.jsm:150:24
[task 2020-04-12T19:50:26.027Z] 19:50:26     INFO - async*@chrome://mochitests/content/browser/browser/components/shell/test/browser_setDesktopBackgroundPreview.js:10:26
[task 2020-04-12T19:50:26.027Z] 19:50:26     INFO - Tester_execTest/<@chrome://mochikit/content/browser-test.js:1062:34
[task 2020-04-12T19:50:26.027Z] 19:50:26     INFO - Tester_execTest@chrome://mochikit/content/browser-test.js:1097:11
[task 2020-04-12T19:50:26.027Z] 19:50:26     INFO - nextTest/<@chrome://mochikit/content/browser-test.js:925:14
[task 2020-04-12T19:50:26.027Z] 19:50:26     INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:918:23
[task 2020-04-12T19:50:26.028Z] 19:50:26     INFO - 
[task 2020-04-12T19:51:55.093Z] 19:51:55     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-12T19:51:55.095Z] 19:51:55     INFO - TEST-UNEXPECTED-FAIL | browser/components/shell/test/browser_setDesktopBackgroundPreview.js | Test timed out - 
[task 2020-04-12T19:51:55.103Z] 19:51:55     INFO - GECKO(3561) | MEMORY STAT | vsize 20975421MB | residentFast 1139MB
[task 2020-04-12T19:51:55.104Z] 19:51:55     INFO - TEST-OK | browser/components/shell/test/browser_setDesktopBackgroundPreview.js | took 90115ms
[task 2020-04-12T19:51:55.104Z] 19:51:55     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-04-12T19:51:55.105Z] 19:51:55     INFO - TEST-UNEXPECTED-FAIL | browser/components/shell/test/browser_setDesktopBackgroundPreview.js | Found a tab after previous test timed out: about:logo - 
[task 2020-04-12T19:51:55.189Z] 19:51:55     INFO - checking window state
[task 2020-04-12T19:51:56.898Z] 19:51:56     INFO - GECKO(3561) | Completed ShutdownLeaks collections in process 3727
[task 2020-04-12T19:51:56.919Z] 19:51:56     INFO - GECKO(3561) | Completed ShutdownLeaks collections in process 3692
[task 2020-04-12T19:51:56.934Z] 19:51:56     INFO - GECKO(3561) | Completed ShutdownLeaks collections in process 3632
[task 2020-04-12T19:51:56.962Z] 19:51:56     INFO - GECKO(3561) | Completed ShutdownLeaks collections in process 3777

[task 2020-04-12T19:53:48.320Z] 19:53:48     INFO - GECKO(4973) | 1586721228318	Marionette	DEBUG	1 -> [0,3,"Addon:Install",{"path":"/tmp/tmpmti8ZA.zip","temporary":false}]
[task 2020-04-12T19:53:48.388Z] 19:53:48     INFO - GECKO(4973) | 1586721228384	Marionette	DEBUG	1 <- [1,3,null,{"value":"mochikit@mozilla.org"}]
[task 2020-04-12T19:53:48.389Z] 19:53:48     INFO - GECKO(4973) | 1586721228386	Marionette	DEBUG	1 -> [0,4,"Marionette:GetContext",{}]
[task 2020-04-12T19:53:48.391Z] 19:53:48     INFO - GECKO(4973) | 1586721228387	Marionette	DEBUG	1 <- [1,4,null,{"value":"content"}]
[task 2020-04-12T19:53:48.393Z] 19:53:48     INFO - GECKO(4973) | 1586721228390	Marionette	DEBUG	1 -> [0,5,"Marionette:SetContext",{"value":"chrome"}]
[task 2020-04-12T19:53:48.394Z] 19:53:48     INFO - GECKO(4973) | 1586721228391	Marionette	DEBUG	1 <- [1,5,null,{"value":null}]
[task 2020-04-12T19:53:48.395Z] 19:53:48     INFO - GECKO(4973) | 1586721228394	Marionette	DEBUG	1 -> [0,6,"WebDriver:ExecuteScript",{"script":"/* This Source Code Form is subject to the terms of the Mozilla Public\n * License, ... testUrl":"about:blank","flavor":"browser-chrome"}],"filename":"tests/mochitest/runtests.py","sandbox":"default","line":1797}]
[task 2020-04-12T19:53:48.436Z] 19:53:48     INFO - GECKO(4973) | 1586721228425	Marionette	DEBUG	1 <- [1,6,null,{"value":null}]
[task 2020-04-12T19:53:48.492Z] 19:53:48     INFO - GECKO(4973) | 1586721228481	Marionette	TRACE	Received observer notification toplevel-window-ready
[task 2020-04-12T19:53:48.608Z] 19:53:48     INFO - GECKO(4973) | 1586721228596	Marionette	DEBUG	1 -> [0,7,"Marionette:SetContext",{"value":"content"}]
[task 2020-04-12T19:53:48.609Z] 19:53:48     INFO - GECKO(4973) | 1586721228596	Marionette	DEBUG	1 <- [1,7,null,{"value":null}]
[task 2020-04-12T19:53:48.609Z] 19:53:48     INFO - GECKO(4973) | 1586721228601	Marionette	DEBUG	1 -> [0,8,"WebDriver:DeleteSession",{}]
[task 2020-04-12T19:53:48.609Z] 19:53:48     INFO - GECKO(4973) | 1586721228604	Marionette	DEBUG	1 <- [1,8,null,{"value":null}]
[task 2020-04-12T19:53:48.610Z] 19:53:48     INFO - runtests.py | Waiting for browser...
[task 2020-04-12T19:53:48.618Z] 19:53:48     INFO - GECKO(4973) | 1586721228612	Marionette	DEBUG	Closed connection 1
[task 2020-04-12T19:53:48.880Z] 19:53:48     INFO - *** Start BrowserChrome Test Results ***
[task 2020-04-12T19:53:48.962Z] 19:53:48     INFO - checking window state
[task 2020-04-12T19:53:49.018Z] 19:53:49     INFO - TEST-START | toolkit/components/enterprisepolicies/tests/browser/browser_policies_basic_tests.js
[task 2020-04-12T19:53:49.351Z] 19:53:49     INFO - GECKO(4973) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
[task 2020-04-12T19:53:49.352Z] 19:53:49     INFO - GECKO(4973) | MEMORY STAT heapAllocated not supported in this build configuration.
[task 2020-04-12T19:53:49.352Z] 19:53:49     INFO - GECKO(4973) | MEMORY STAT | vsize 20974934MB | residentFast 1145MB
[task 2020-04-12T19:53:49.355Z] 19:53:49     INFO - TEST-OK | toolkit/components/enterprisepolicies/tests/browser/browser_policies_basic_tests.js | took 332ms
[task 2020-04-12T19:53:49.413Z] 19:53:49     INFO - checking window state
[task 2020-04-12T19:53:49.469Z] 19:53:49     INFO - TEST-START | toolkit/components/enterprisepolicies/tests/browser/browser_policies_broken_json.js
[task 2020-04-12T19:53:49.666Z] 19:53:49     INFO - GECKO(4973) | console.error: Enterprise Policies:
[task 2020-04-12T19:53:49.666Z] 19:53:49     INFO - GECKO(4973) |   Error parsing JSON file
[task 2020-04-12T19:53:49.710Z] 19:53:49     INFO - GECKO(4973) | MEMORY STAT | vsize 20974940MB | residentFast 1153MB
[task 2020-04-12T19:53:49.710Z] 19:53:49     INFO - TEST-OK | toolkit/components/enterprisepolicies/tests/browser/browser_policies_broken_json.js | took 248ms
[task 2020-04-12T19:53:49.790Z] 19:53:49     INFO - checking window state
[task 2020-04-12T19:53:49.851Z] 19:53:49     INFO - TEST-START | toolkit/components/enterprisepolicies/tests/browser/browser_policies_enterprise_only.js
[task 2020-04-12T19:53:49.899Z] 19:53:49     INFO - GECKO(4973) | console.error: Enterprise Policies:
[task 2020-04-12T19:53:49.899Z] 19:53:49     INFO - GECKO(4973) |   Policy EnterpriseOnlyPolicy is only allowed on ESR
[task 2020-04-12T19:53:49.960Z] 19:53:49     INFO - GECKO(4973) | MEMORY STAT | vsize 20974948MB | residentFast 1160MB
[task 2020-04-12T19:53:49.960Z] 19:53:49     INFO - TEST-OK | toolkit/components/enterprisepolicies/tests/browser/browser_policies_enterprise_only.js | took 116ms
[task 2020-04-12T19:53:50.044Z] 19:53:50     INFO - checking window state
[task 2020-04-12T19:53:50.100Z] 19:53:50     INFO - TEST-START | toolkit/components/enterprisepolicies/tests/browser/browser_policies_mistyped_json.js
[task 2020-04-12T19:53:50.147Z] 19:53:50     INFO - GECKO(4973) | console.error: Enterprise Policies:
[task 2020-04-12T19:53:50.148Z] 19:53:50     INFO - GECKO(4973) |   Policies file doesn't contain a 'policies' object
[task 2020-04-12T19:53:50.183Z] 19:53:50     INFO - GECKO(4973) | MEMORY STAT | vsize 20974959MB | residentFast 1173MB
[task 2020-04-12T19:53:50.184Z] 19:53:50     INFO - TEST-OK | toolkit/components/enterprisepolicies/tests/browser/browser_policies_mistyped_json.js | took 84ms
[task 2020-04-12T19:53:50.260Z] 19:53:50     INFO - checking window state
[task 2020-04-12T19:53:52.730Z] 19:53:52     INFO - GECKO(4973) | Completed ShutdownLeaks collections in process 5165
[task 2020-04-12T19:53:52.766Z] 19:53:52     INFO - GECKO(4973) | Completed ShutdownLeaks collections in process 5152
[task 2020-04-12T19:53:52.767Z] 19:53:52     INFO - GECKO(4973) | Completed ShutdownLeaks collections in process 5106
[task 2020-04-12T19:53:52.814Z] 19:53:52     INFO - GECKO(4973) | Completed ShutdownLeaks collections in process 5023
[task 2020-04-12T19:53:52.870Z] 19:53:52     INFO - GECKO(4973) | Completed ShutdownLeaks collections in process 5043
[task 2020-04-12T19:53:53.428Z] 19:53:53     INFO - GECKO(4973) | Completed ShutdownLeaks collections in process 4973
[task 2020-04-12T19:53:53.429Z] 19:53:53     INFO - TEST-START | Shutdown
[task 2020-04-12T19:53:53.430Z] 19:53:53     INFO - Browser Chrome Test Summary
[task 2020-04-12T19:53:53.430Z] 19:53:53     INFO - Passed:  21
[task 2020-04-12T19:53:53.431Z] 19:53:53     INFO - Failed:  0
[task 2020-04-12T19:53:53.432Z] 19:53:53     INFO - Todo:    0
[task 2020-04-12T19:53:53.433Z] 19:53:53     INFO - Mode:    e10s
[task 2020-04-12T19:53:53.434Z] 19:53:53     INFO - *** End BrowserChrome Test Results ***
[task 2020-04-12T19:53:54.760Z] 19:53:54     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:54.761Z] 19:53:54     INFO - GECKO(4973) | Suppressions used:
[task 2020-04-12T19:53:54.762Z] 19:53:54     INFO - GECKO(4973) |   count      bytes template
[task 2020-04-12T19:53:54.763Z] 19:53:54     INFO - GECKO(4973) |      27        832 nsComponentManagerImpl
[task 2020-04-12T19:53:54.763Z] 19:53:54     INFO - GECKO(4973) |     633      18287 libfontconfig.so
[task 2020-04-12T19:53:54.764Z] 19:53:54     INFO - GECKO(4973) |       1         11 libglib-2.0.so
[task 2020-04-12T19:53:54.765Z] 19:53:54     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:54.888Z] 19:53:54     INFO - GECKO(4973) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-04-12T19:53:54.929Z] 19:53:54     INFO - GECKO(4973) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-04-12T19:53:54.930Z] 19:53:54     INFO - GECKO(4973) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-04-12T19:53:54.931Z] 19:53:54     INFO - GECKO(4973) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-04-12T19:53:54.936Z] 19:53:54     INFO - GECKO(4973) | ###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[task 2020-04-12T19:53:55.861Z] 19:53:55     INFO - GECKO(4973) | 1586721235849	Marionette	TRACE	Received observer notification xpcom-will-shutdown
[task 2020-04-12T19:53:55.865Z] 19:53:55     INFO - GECKO(4973) | 1586721235849	Marionette	INFO	Stopped listening on port 2828
[task 2020-04-12T19:53:55.868Z] 19:53:55     INFO - GECKO(4973) | 1586721235849	Marionette	DEBUG	Marionette stopped listening
[task 2020-04-12T19:53:56.932Z] 19:53:56     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:56.933Z] 19:53:56     INFO - GECKO(4973) | Suppressions used:
[task 2020-04-12T19:53:56.934Z] 19:53:56     INFO - GECKO(4973) |   count      bytes template
[task 2020-04-12T19:53:56.935Z] 19:53:56     INFO - GECKO(4973) |      27        832 nsComponentManagerImpl
[task 2020-04-12T19:53:56.942Z] 19:53:56     INFO - GECKO(4973) |     633      18287 libfontconfig.so
[task 2020-04-12T19:53:56.942Z] 19:53:56     INFO - GECKO(4973) |       1         11 libglib-2.0.so
[task 2020-04-12T19:53:56.942Z] 19:53:56     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:56.997Z] 19:53:56     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:56.998Z] 19:53:56     INFO - GECKO(4973) | Suppressions used:
[task 2020-04-12T19:53:56.999Z] 19:53:56     INFO - GECKO(4973) |   count      bytes template
[task 2020-04-12T19:53:56.999Z] 19:53:56     INFO - GECKO(4973) |      27        832 nsComponentManagerImpl
[task 2020-04-12T19:53:56.999Z] 19:53:56     INFO - GECKO(4973) |     633      18287 libfontconfig.so
[task 2020-04-12T19:53:56.999Z] 19:53:56     INFO - GECKO(4973) |       1         11 libglib-2.0.so
[task 2020-04-12T19:53:56.999Z] 19:53:56     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:57.041Z] 19:53:57     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:57.041Z] 19:53:57     INFO - GECKO(4973) | Suppressions used:
[task 2020-04-12T19:53:57.042Z] 19:53:57     INFO - GECKO(4973) |   count      bytes template
[task 2020-04-12T19:53:57.042Z] 19:53:57     INFO - GECKO(4973) |      27        832 nsComponentManagerImpl
[task 2020-04-12T19:53:57.042Z] 19:53:57     INFO - GECKO(4973) |     633      18287 libfontconfig.so
[task 2020-04-12T19:53:57.042Z] 19:53:57     INFO - GECKO(4973) |       1         11 libglib-2.0.so
[task 2020-04-12T19:53:57.042Z] 19:53:57     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) | Suppressions used:
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) |   count      bytes template
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) |      27        832 nsComponentManagerImpl
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) |     633      18287 libfontconfig.so
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) |       1         11 libglib-2.0.so
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) |       1        208 mozJSComponentLoader
[task 2020-04-12T19:53:57.102Z] 19:53:57     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) | Suppressions used:
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) |   count      bytes template
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) |      27        816 nsComponentManagerImpl
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) |     633      18083 libfontconfig.so
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) |       1         11 libglib-2.0.so
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) |       4        832 mozJSComponentLoader
[task 2020-04-12T19:53:58.063Z] 19:53:58     INFO - GECKO(4973) | -----------------------------------------------------
[task 2020-04-12T19:53:58.126Z] 19:53:58     INFO - TEST-INFO | Main app process: exit 0
[task 2020-04-12T19:53:58.126Z] 19:53:58     INFO - runtests.py | Application ran for: 0:00:19.804012
[task 2020-04-12T19:53:58.126Z] 19:53:58     INFO - zombiecheck | Reading PID log: /tmp/tmpkaoh6Gpidlog
[task 2020-04-12T19:53:58.126Z] 19:53:58     INFO - ==> process 4973 launched child process 4990
[task 2020-04-12T19:53:58.126Z] 19:53:58     INFO - ==> process 4973 launched child process 5023
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - ==> process 4973 launched child process 5043
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - ==> process 4973 launched child process 5106
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - ==> process 4973 launched child process 5152
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - ==> process 4973 launched child process 5165
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - zombiecheck | Checking for orphan process with PID: 5152
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - zombiecheck | Checking for orphan process with PID: 5165
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - zombiecheck | Checking for orphan process with PID: 5106
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - zombiecheck | Checking for orphan process with PID: 5043
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - zombiecheck | Checking for orphan process with PID: 4990
[task 2020-04-12T19:53:58.127Z] 19:53:58     INFO - zombiecheck | Checking for orphan process with PID: 5023
[task 2020-04-12T19:53:58.128Z] 19:53:58     INFO - Stopping web server
[task 2020-04-12T19:53:58.134Z] 19:53:58     INFO - Stopping web socket server
[task 2020-04-12T19:53:58.155Z] 19:53:58     INFO - Stopping ssltunnel
[task 2020-04-12T19:53:58.176Z] 19:53:58  WARNING - leakcheck | refcount logging is off, so leaks can't be detected!
[task 2020-04-12T19:53:58.176Z] 19:53:58     INFO - runtests.py | Running tests: end.
[task 2020-04-12T19:53:58.192Z] 19:53:58     INFO - Buffered messages finished
[task 2020-04-12T19:53:58.192Z] 19:53:58     INFO -  TEST-INFO | checking window state
[task 2020-04-12T19:53:58.193Z] 19:53:58     INFO -  Browser Chrome Test Summary
[task 2020-04-12T19:53:58.193Z] 19:53:58     INFO -  	Passed: 2101
[task 2020-04-12T19:53:58.195Z] 19:53:58     INFO -  	Failed: 3
[task 2020-04-12T19:53:58.196Z] 19:53:58     INFO -  	Todo: 0
[task 2020-04-12T19:53:58.196Z] 19:53:58     INFO -  	Mode: e10s
[task 2020-04-12T19:53:58.197Z] 19:53:58     INFO -  *** End BrowserChrome Test Results ***
[task 2020-04-12T19:53:58.197Z] 19:53:58     INFO - Buffered messages finished
[task 2020-04-12T19:53:58.198Z] 19:53:58     INFO - SUITE-END | took 834s
[task 2020-04-12T19:53:58.232Z] 19:53:58    ERROR - Return code: 1
[task 2020-04-12T19:53:58.233Z] 19:53:58    ERROR - Got 3 unexpected statuses
[task 2020-04-12T19:53:58.233Z] 19:53:58     INFO - TinderboxPrint: mochitest-mochitest-browser-chrome<br/>221/<em class="testfail">3</em>/0
[task 2020-04-12T19:53:58.234Z] 19:53:58  WARNING - # TBPL WARNING #
[task 2020-04-12T19:53:58.235Z] 19:53:58  WARNING - setting return code to 1
[task 2020-04-12T19:53:58.235Z] 19:53:58  WARNING - The mochitest suite: mochitest-browser-chrome ran with return status: WARNING
[task 2020-04-12T19:53:58.235Z] 19:53:58     INFO - Running post-action listener: _package_coverage_data
[task 2020-04-12T19:53:58.235Z] 19:53:58     INFO - Running post-action listener: _resource_record_post_action
[task 2020-04-12T19:53:58.235Z] 19:53:58     INFO - Running post-action listener: process_java_coverage_data
[task 2020-04-12T19:53:58.235Z] 19:53:58     INFO - [mozharness: 2020-04-12 19:53:58.235029Z] Finished run-tests step (success)
[task 2020-04-12T19:53:58.235Z] 19:53:58     INFO - Running post-run listener: _resource_record_post_run
[task 2020-04-12T19:53:58.319Z] 19:53:58     INFO - Validating Perfherder data against /builds/worker/workspace/mozharness/external_tools/performance-artifact-schema.json
[task 2020-04-12T19:53:58.323Z] 19:53:58     INFO - PERFHERDER_DATA: {"framework": {"name": "job_resource_usage"}, "suites": [{"subtests": [{"name": "cpu_percent", "value": 64.98090596330275}, {"name": "io_write_bytes", "value": 3564105728}, {"name": "io.read_bytes", "value": 144707584}, {"name": "io_write_time", "value": 406684}, {"name": "io_read_time", "value": 2456}], "extraOptions": ["e10s", "taskcluster-m5.large"], "name": "mochitest.mochitest-browser-chrome.overall"}, {"subtests": [{"name": "time", "value": 0.021858930587768555}], "name": "mochitest.mochitest-browser-chrome.start-pulseaudio"}, {"subtests": [{"name": "time", "value": 38.947429895401}, {"name": "cpu_percent", "value": 50.48918918918919}], "name": "mochitest.mochitest-browser-chrome.install"}, {"subtests": [{"name": "time", "value": 0.0006818771362304688}], "name": "mochitest.mochitest-browser-chrome.stage-files"}, {"subtests": [{"name": "time", "value": 834.9011211395264}, {"name": "cpu_percent", "value": 65.6564225690276}], "name": "mochitest.mochitest-browser-chrome.run-tests"}]}
[task 2020-04-12T19:53:58.324Z] 19:53:58     INFO - Total resource usage - Wall time: 873s; CPU: 66.0%; Read bytes: 144707584; Write bytes: 3564105728; Read time: 2456; Write time: 406684
[task 2020-04-12T19:53:58.325Z] 19:53:58     INFO - TinderboxPrint: CPU usage<br/>65.7%
[task 2020-04-12T19:53:58.325Z] 19:53:58     INFO - TinderboxPrint: I/O read bytes / time<br/>144,707,584 / 2,456