Bug: Intermittent browser/base/content/test/zoom/browser_default_zoom_fission.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2021-10-15 08:43:19+00:00
Resolved: 2022-07-26 00:14:43+00:00

**Filed by:** malexandru [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=354874788&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XbsE5zkPQRm_SwyrIvXlXA/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-10-15T06:18:25.529Z] 06:18:25     INFO - TEST-START | browser/base/content/test/zoom/browser_default_zoom_fission.js
[task 2021-10-15T06:18:25.563Z] 06:18:25     INFO - GECKO(7559) | console.log: Creating tab
[task 2021-10-15T06:18:25.583Z] 06:18:25     INFO - GECKO(7559) | console.log: Loading tab
[task 2021-10-15T06:18:25.752Z] 06:18:25     INFO - GECKO(7559) | -----------------------------------------------------
[task 2021-10-15T06:18:25.752Z] 06:18:25     INFO - GECKO(7559) | Suppressions used:
[task 2021-10-15T06:18:25.752Z] 06:18:25     INFO - GECKO(7559) |   count      bytes template
[task 2021-10-15T06:18:25.757Z] 06:18:25     INFO - GECKO(7559) |      13        416 nsComponentManagerImpl
[task 2021-10-15T06:18:25.757Z] 06:18:25     INFO - GECKO(7559) |       2        288 libfontconfig.so
[task 2021-10-15T06:18:25.757Z] 06:18:25     INFO - GECKO(7559) | -----------------------------------------------------
[task 2021-10-15T06:18:25.805Z] 06:18:25     INFO - GECKO(7559) | -----------------------------------------------------
[task 2021-10-15T06:18:25.805Z] 06:18:25     INFO - GECKO(7559) | Suppressions used:
[task 2021-10-15T06:18:25.805Z] 06:18:25     INFO - GECKO(7559) |   count      bytes template
[task 2021-10-15T06:18:25.806Z] 06:18:25     INFO - GECKO(7559) |      13        416 nsComponentManagerImpl
[task 2021-10-15T06:18:25.806Z] 06:18:25     INFO - GECKO(7559) |       2        288 libfontconfig.so
[task 2021-10-15T06:18:25.806Z] 06:18:25     INFO - GECKO(7559) | -----------------------------------------------------
[task 2021-10-15T06:18:25.888Z] 06:18:25     INFO - GECKO(7559) | -----------------------------------------------------
[task 2021-10-15T06:18:25.888Z] 06:18:25     INFO - GECKO(7559) | Suppressions used:
[task 2021-10-15T06:18:25.889Z] 06:18:25     INFO - GECKO(7559) |   count      bytes template
[task 2021-10-15T06:18:25.889Z] 06:18:25     INFO - GECKO(7559) |      13        416 nsComponentManagerImpl
[task 2021-10-15T06:18:25.890Z] 06:18:25     INFO - GECKO(7559) |       2        288 libfontconfig.so
[task 2021-10-15T06:18:25.890Z] 06:18:25     INFO - GECKO(7559) | -----------------------------------------------------
[task 2021-10-15T06:18:25.954Z] 06:18:25     INFO - GECKO(7559) | console.log: Changing default zoom
[task 2021-10-15T06:18:25.975Z] 06:18:25     INFO - GECKO(7559) | console.log: Current zoom is:  0.67
[task 2021-10-15T06:18:25.975Z] 06:18:25     INFO - GECKO(7559) | console.log: Spawinging iframe
[task 2021-10-15T06:18:25.975Z] 06:18:25     INFO - GECKO(7559) | console.log: Awaiting frame promise
[task 2021-10-15T06:18:26.011Z] 06:18:26     INFO - GECKO(7559) | JavaScript error: chrome://mochitests/content/browser/browser/base/content/test/zoom/browser_default_zoom_fission.js, line 39: TypeError: can't access property "src", content.document.querySelector(...) is null
[task 2021-10-15T06:19:55.604Z] 06:19:55     INFO - TEST-INFO | started process screentopng
[task 2021-10-15T06:19:55.932Z] 06:19:55     INFO - TEST-INFO | screentopng: exit 0
[task 2021-10-15T06:19:55.932Z] 06:19:55     INFO - Buffered messages logged at 06:18:25
[task 2021-10-15T06:19:55.932Z] 06:19:55     INFO - Entering test bound test_sitespecific_iframe_global_zoom
[task 2021-10-15T06:19:55.932Z] 06:19:55     INFO - TEST-PASS | browser/base/content/test/zoom/browser_default_zoom_fission.js | Global zoom is at 67% - 
[task 2021-10-15T06:19:55.933Z] 06:19:55     INFO - TEST-PASS | browser/base/content/test/zoom/browser_default_zoom_fission.js | tab zoom has been set to 67% - 
[task 2021-10-15T06:19:55.933Z] 06:19:55     INFO - Buffered messages logged at 06:18:26
[task 2021-10-15T06:19:55.933Z] 06:19:55     INFO - Console message: [JavaScript Error: "TypeError: can't access property "src", content.document.querySelector(...) is null" {file: "chrome://mochitests/content/browser/browser/base/content/test/zoom/browser_default_zoom_fission.js" line: 39}]
[task 2021-10-15T06:19:55.933Z] 06:19:55     INFO - Console message: [JavaScript Error: "Unknown Collection "main/partitioning-exempt-urls"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 158}]
[task 2021-10-15T06:19:55.934Z] 06:19:55     INFO - UnknownCollectionError@resource://services-settings/RemoteSettingsClient.jsm:158:5
[task 2021-10-15T06:19:55.934Z] 06:19:55     INFO - sync@resource://services-settings/RemoteSettingsClient.jsm:501:13
[task 2021-10-15T06:19:55.935Z] 06:19:55     INFO - 
[task 2021-10-15T06:19:55.935Z] 06:19:55     INFO - Buffered messages finished
[task 2021-10-15T06:19:55.937Z] 06:19:55     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/zoom/browser_default_zoom_fission.js | Test timed out - 
[task 2021-10-15T06:19:55.939Z] 06:19:55     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-10-15T06:19:55.941Z] 06:19:55     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/zoom/browser_default_zoom_fission.js | A promise chain failed to handle a rejection: can't access property "src", content.document.querySelector(...) is null - stack: @chrome://mochitests/content/browser/browser/base/content/test/zoom/browser_default_zoom_fission.js:39:22
[task 2021-10-15T06:19:55.941Z] 06:19:55     INFO - execute@resource://specialpowers/SpecialPowersSandbox.jsm:141:12
[task 2021-10-15T06:19:55.941Z] 06:19:55     INFO - _spawnTask@resource://specialpowers/SpecialPowersChild.jsm:1656:15
[task 2021-10-15T06:19:55.942Z] 06:19:55     INFO - receiveMessage@resource://specialpowers/SpecialPowersChild.jsm:310:21
[task 2021-10-15T06:19:55.942Z] 06:19:55     INFO - Rejection date: Fri Oct 15 2021 06:18:26 GMT+0000 (Coordinated Universal Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 271
[task 2021-10-15T06:19:55.943Z] 06:19:55     INFO - Stack trace:
[task 2021-10-15T06:19:55.943Z] 06:19:55     INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:271
[task 2021-10-15T06:19:55.943Z] 06:19:55     INFO - chrome://mochikit/content/browser-test.js:nextTest:625
[task 2021-10-15T06:19:55.944Z] 06:19:55     INFO - GECKO(7559) | MEMORY STAT | vsize 20975193MB | residentFast 1195MB
[task 2021-10-15T06:19:55.945Z] 06:19:55     INFO - TEST-OK | browser/base/content/test/zoom/browser_default_zoom_fission.js | took 90096ms
[task 2021-10-15T06:19:55.946Z] 06:19:55     INFO - Not taking screenshot here: see the one that was previously logged
[task 2021-10-15T06:19:55.947Z] 06:19:55     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/zoom/browser_default_zoom_fission.js | Found a tab after previous test timed out: data:text/html;charset=utf-8,<body>test_sitespecific_iframe_global_zoom<iframe src=""></iframe></body> - 
[task 2021-10-15T06:19:55.948Z] 06:19:55     INFO - checking window state
[task 2021-10-15T06:19:55.948Z] 06:19:55     INFO - TEST-START | browser/base/content/test/zoom/browser_default_zoom_multitab.js
```