Bug: Intermittent browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: DUPLICATE
Created: 2022-03-31 17:31:24+00:00
Resolved: 2022-07-25 23:08:11+00:00

**Filed by:** ctuns [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=372978234&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RRp0eJM_SgW0prAU6SWfTQ/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2022-03-31T16:09:58.483Z] 16:09:58     INFO - TEST-START | browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js
[task 2022-03-31T16:12:58.521Z] 16:12:58     INFO - TEST-INFO | started process screenshot
[task 2022-03-31T16:12:58.875Z] 16:12:58     INFO - TEST-INFO | screenshot: exit 0
[task 2022-03-31T16:12:58.887Z] 16:12:58     INFO - Buffered messages logged at 16:09:58
[task 2022-03-31T16:12:58.887Z] 16:12:58     INFO - Entering test bound testAboutPagesExemptFromBfcache
[task 2022-03-31T16:12:58.888Z] 16:12:58     INFO - Private tab - navigate to about:blank urls
[task 2022-03-31T16:12:58.889Z] 16:12:58     INFO - Buffered messages logged at 16:11:28
[task 2022-03-31T16:12:58.890Z] 16:12:58     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 1
[task 2022-03-31T16:12:58.890Z] 16:12:58     INFO - Buffered messages finished
[task 2022-03-31T16:12:58.891Z] 16:12:58     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js | Test timed out - 
[task 2022-03-31T16:12:58.891Z] 16:12:58     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-31T16:12:58.892Z] 16:12:58     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js | Uncaught exception received from previously timed out test - focus listener not removed before the end of test
[task 2022-03-31T16:12:58.892Z] 16:12:58     INFO - Entering test bound testAboutPagesBfcacheAllowed
[task 2022-03-31T16:12:58.893Z] 16:12:58     INFO - Private tab - navigate to about:blank urls
[task 2022-03-31T16:12:58.893Z] 16:12:58     INFO - GECKO(7900) | MEMORY STAT | vsize 19406283MB | vsizeMaxContiguous 66808444MB | residentFast 1016MB
[task 2022-03-31T16:12:58.894Z] 16:12:58     INFO - TEST-OK | browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js | took 180108ms
[task 2022-03-31T16:12:58.895Z] 16:12:58     INFO - checking window state
[task 2022-03-31T16:12:58.895Z] 16:12:58     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-31T16:12:58.896Z] 16:12:58     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js | Found a browser window after previous test timed out - 
[task 2022-03-31T16:12:58.896Z] 16:12:58     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-31T16:12:58.897Z] 16:12:58     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_bfcache_exemption_about_pages.js | Found a unknown window with document URI: about:blank and title:  after previous test timed out - 
[task 2022-03-31T16:12:58.897Z] 16:12:58     INFO - TEST-START | browser/base/content/test/tabs/browser_bug580956.js
[task 2022-03-31T16:12:59.455Z] 16:12:59     INFO - GECKO(7900) | MEMORY STAT | vsize 19406265MB | vsizeMaxContiguous 66808444MB | residentFast 1014MB
[task 2022-03-31T16:12:59.467Z] 16:12:59     INFO - TEST-OK | browser/base/content/test/tabs/browser_bug580956.js | took 661ms
[task 2022-03-31T16:12:59.496Z] 16:12:59     INFO - checking window state
[task 2022-03-31T16:12:59.543Z] 16:12:59     INFO - TEST-START | browser/base/content/test/tabs/browser_bug_1387976_restore_lazy_tab_browser_muted_state.js
[task 2022-03-31T16:13:00.209Z] 16:13:00     INFO - GECKO(7900) | MEMORY STAT | vsize 19406264MB | vsizeMaxContiguous 66808444MB | residentFast 1014MB
[task 2022-03-31T16:13:00.220Z] 16:13:00     INFO - TEST-OK | browser/base/content/test/tabs/browser_bug_1387976_restore_lazy_tab_browser_muted_state.js | took 669ms
[task 2022-03-31T16:13:00.248Z] 16:13:00     INFO - checking window state
[task 2022-03-31T16:13:00.309Z] 16:13:00     INFO - TEST-START | browser/base/content/test/tabs/browser_close_during_beforeunload.js
[task 2022-03-31T16:13:52.939Z] 16:13:52     INFO - GECKO(7900) | 1648743232947	addons.xpi	ERROR	System addon update list error Error: got node name: html, expected: updates
[task 2022-03-31T16:16:00.343Z] 16:16:00     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-31T16:16:00.346Z] 16:16:00     INFO - Buffered messages logged at 16:13:00
[task 2022-03-31T16:16:00.346Z] 16:16:00     INFO - Entering test bound 
[task 2022-03-31T16:16:00.347Z] 16:16:00     INFO - Buffered messages logged at 16:13:52
[task 2022-03-31T16:16:00.348Z] 16:16:00     INFO - Console message: [JavaScript Error: "1648743232947	addons.xpi	ERROR	System addon update list error Error: got node name: html, expected: updates" {file: "resource://gre/modules/Log.jsm" line: 723}]
[task 2022-03-31T16:16:00.348Z] 16:16:00     INFO - append@resource://gre/modules/Log.jsm:723:12
[task 2022-03-31T16:16:00.348Z] 16:16:00     INFO - log@resource://gre/modules/Log.jsm:379:16
[task 2022-03-31T16:16:00.348Z] 16:16:00     INFO - error@resource://gre/modules/Log.jsm:387:10
[task 2022-03-31T16:16:00.349Z] 16:16:00     INFO - updateSystemAddons/res<@resource://gre/modules/addons/XPIInstall.jsm:4073:25
[task 2022-03-31T16:16:00.349Z] 16:16:00     INFO - 
[task 2022-03-31T16:16:00.349Z] 16:16:00     INFO - Buffered messages finished
[task 2022-03-31T16:16:00.350Z] 16:16:00     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_close_during_beforeunload.js | Test timed out - 
[task 2022-03-31T16:16:00.350Z] 16:16:00     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-31T16:16:00.351Z] 16:16:00     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_close_during_beforeunload.js | Uncaught exception received from previously timed out test - focus listener not removed before the end of test
[task 2022-03-31T16:16:00.380Z] 16:16:00     INFO - GECKO(7900) | MEMORY STAT | vsize 19406233MB | vsizeMaxContiguous 66808444MB | residentFast 1031MB
[task 2022-03-31T16:16:00.390Z] 16:16:00     INFO - TEST-OK | browser/base/content/test/tabs/browser_close_during_beforeunload.js | took 180078ms
[task 2022-03-31T16:16:00.427Z] 16:16:00     INFO - checking window state
[task 2022-03-31T16:16:00.435Z] 16:16:00     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-03-31T16:16:00.436Z] 16:16:00     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/tabs/browser_close_during_beforeunload.js | Found a browser window after previous test timed out - 
[task 2022-03-31T16:16:00.543Z] 16:16:00     INFO - TEST-START | browser/base/content/test/tabs/browser_close_tab_by_dblclick.js
```