Bug: Intermittent [Tier 2] browser/components/sessionstore/test/browser_background_tab_crash.js | Test timed out -
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-09-01 03:16:56+00:00
Resolved: 2022-03-08 17:04:54+00:00

**Filed by:** ccozmuta [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=350128832&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Mtv7J1HFTTCPTKyTimuBOw/runs/0/artifacts/public/logs/live_backing.log

---
```
[task 2021-09-01T01:59:10.229Z] 01:59:10     INFO - TEST-START | browser/components/sessionstore/test/browser_background_tab_crash.js
[task 2021-09-01T01:59:10.229Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 11420e000 == 2 [pid = 1546] [id = 96]
[task 2021-09-01T01:59:10.230Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 27 (1142fa200) [pid = 1546] [serial = 213] [outer = 0]
[task 2021-09-01T01:59:10.230Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 28 (1142c2c00) [pid = 1546] [serial = 214] [outer = 1142fa200]
[task 2021-09-01T01:59:10.267Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 27 (10b8b3c80) [pid = 1546] [serial = 187] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.267Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 26 (1142afc80) [pid = 1546] [serial = 206] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.268Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 25 (1142afe40) [pid = 1546] [serial = 209] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.268Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 24 (1142af900) [pid = 1546] [serial = 200] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.269Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 23 (1142af200) [pid = 1546] [serial = 192] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.269Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 22 (1142af040) [pid = 1546] [serial = 190] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.270Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 21 (1142af3c0) [pid = 1546] [serial = 194] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.270Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 20 (1142af740) [pid = 1546] [serial = 198] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.270Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 19 (1142af580) [pid = 1546] [serial = 196] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.271Z] 01:59:10     INFO - GECKO(1542) | [Child 1546: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 18 (1142afac0) [pid = 1546] [serial = 203] [outer = 0] [url = about:blank]
[task 2021-09-01T01:59:10.280Z] 01:59:10     INFO - GECKO(1542) | [Parent 1542: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 12c680400 == 21 [pid = 1542] [id = 162]
[task 2021-09-01T01:59:10.280Z] 01:59:10     INFO - GECKO(1542) | [Parent 1542: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 47 (1258f3040) [pid = 1542] [serial = 395] [outer = 0]
[task 2021-09-01T01:59:10.281Z] 01:59:10     INFO - GECKO(1542) | [Parent 1542: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 48 (12f20ac00) [pid = 1542] [serial = 396] [outer = 1258f3040]
[task 2021-09-01T01:59:10.286Z] 01:59:10     INFO - GECKO(1542) | [Parent 1542, Main Thread] WARNING: '!wc', file /builds/worker/checkouts/gecko/dom/base/ThirdPartyUtil.cpp:226
[task 2021-09-01T01:59:10.301Z] 01:59:10     INFO - GECKO(1542) | [Parent 1542: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 49 (133a1ec00) [pid = 1542] [serial = 397] [outer = 1258f3040]
[task 2021-09-01T01:59:10.316Z] 01:59:10     INFO - GECKO(1542) | [Parent 1542, Main Thread] WARNING: 'aOwner->IsDiscarded()', file /builds/worker/workspace/obj-build/dist/include/mozilla/dom/SyncedContextInlines.h:92
[task 2021-09-01T01:59:10.359Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 11f714400 == 1 [pid = 1725] [id = 0]
[task 2021-09-01T01:59:10.359Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (1098b4e40) [pid = 1725] [serial = 1] [outer = 0]
[task 2021-09-01T01:59:10.360Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (11f7bd800) [pid = 1725] [serial = 2] [outer = 1098b4e40]
[task 2021-09-01T01:59:10.449Z] 01:59:10     INFO - GECKO(1542) | [Child 1725, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp:348
[task 2021-09-01T01:59:10.449Z] 01:59:10     INFO - GECKO(1542) | [Child 1725, Main Thread] WARNING: NS_ENSURE_TRUE(info) failed: file /builds/worker/checkouts/gecko/extensions/permissions/PermissionDelegateHandler.cpp:348
[task 2021-09-01T01:59:10.451Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 3 (11f7c3000) [pid = 1725] [serial = 3] [outer = 1098b4e40]
[task 2021-09-01T01:59:10.456Z] 01:59:10     INFO - GECKO(1542) | ### XPCOM_MEM_BLOAT_LOG defined -- logging bloat/leaks to /var/folders/l1/8j3l5hfj44s96402xz38p9g8000014/T/tmpji66x70o.mozrunner/runtests_leaks_tab_pid1728.log
[task 2021-09-01T01:59:10.457Z] 01:59:10     INFO - GECKO(1542) | [1728, Main Thread] WARNING: XPCOM_MEM_BLOAT_LOG is set, disabling native allocations.: file /builds/worker/checkouts/gecko/tools/profiler/core/platform.cpp:250
[task 2021-09-01T01:59:10.807Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 1207b5c00 == 2 [pid = 1725] [id = 1]
[task 2021-09-01T01:59:10.807Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 4 (11f7dc900) [pid = 1725] [serial = 4] [outer = 0]
[task 2021-09-01T01:59:10.807Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 5 (1207b6c00) [pid = 1725] [serial = 5] [outer = 11f7dc900]
[task 2021-09-01T01:59:10.907Z] 01:59:10     INFO - GECKO(1542) | [Child 1725: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 6 (120975400) [pid = 1725] [serial = 6] [outer = 11f7dc900]
[task 2021-09-01T01:59:11.572Z] 01:59:11     INFO - GECKO(1542) | Et tu, Brute?
<...>
task 2021-09-01T01:59:32.756Z] 01:59:32     INFO - GECKO(1542) | [Parent 1542: Main Thread]: I/DocShellAndDOMWindowLeak --DOMWINDOW == 12 (133a1d400) [pid = 1542] [serial = 386] [outer = 0] [url = about:blank]
[task 2021-09-01T02:05:27.903Z] 02:05:27     INFO - GECKO(1542) | 1630461927902	addons.xpi	ERROR	System addon update list error Error: got node name: html, expected: updates
[task 2021-09-01T02:06:40.624Z] 02:06:40     INFO - TEST-INFO | started process screencapture
[task 2021-09-01T02:06:40.736Z] 02:06:40     INFO - TEST-INFO | screencapture: exit 0
[task 2021-09-01T02:06:40.736Z] 02:06:40     INFO - Buffered messages logged at 01:59:10
[task 2021-09-01T02:06:40.736Z] 02:06:40     INFO - Entering test bound setup
[task 2021-09-01T02:06:40.737Z] 02:06:40     INFO - Leaving test bound setup
[task 2021-09-01T02:06:40.737Z] 02:06:40     INFO - Entering test bound test_background_crash_simple
[task 2021-09-01T02:06:40.738Z] 02:06:40     INFO - Buffered messages logged at 01:59:11
[task 2021-09-01T02:06:40.739Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.739Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.740Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Both remote browsers should share the same content process. - 99 == 99 - 
[task 2021-09-01T02:06:40.740Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Need to crash at least one tab. - true == true - 
[task 2021-09-01T02:06:40.741Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.741Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.742Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.742Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.742Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.742Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.743Z] 02:06:40     INFO - Buffered messages logged at 01:59:12
[task 2021-09-01T02:06:40.743Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.743Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.743Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.743Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.744Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.744Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.745Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.745Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.746Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.746Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.747Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | dom.contentprocess.crash_tab_ui_presented must not be reported. - true == true - 
[task 2021-09-01T02:06:40.747Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | simple crash after tab switch telemetry - 1 == 1 - 
[task 2021-09-01T02:06:40.748Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | simple crash after tab switch telemetry - 1 == 1 - 
[task 2021-09-01T02:06:40.748Z] 02:06:40     INFO - Leaving test bound test_background_crash_simple
[task 2021-09-01T02:06:40.749Z] 02:06:40     INFO - Entering test bound test_background_crash_autosubmit_backlogged
[task 2021-09-01T02:06:40.749Z] 02:06:40     INFO - Buffered messages logged at 01:59:13
[task 2021-09-01T02:06:40.749Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.750Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.750Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Both remote browsers should share the same content process. - 101 == 101 - 
[task 2021-09-01T02:06:40.751Z] 02:06:40     INFO - Buffered messages logged at 01:59:14
[task 2021-09-01T02:06:40.751Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Need to crash at least one tab. - true == true - 
[task 2021-09-01T02:06:40.752Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.752Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.753Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.753Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.753Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.753Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.754Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.754Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.754Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.754Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.754Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.755Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.755Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.756Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.756Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.756Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.757Z] 02:06:40     INFO - Console message: [JavaScript Error: "failed"]
[task 2021-09-01T02:06:40.757Z] 02:06:40     INFO - Console message: [JavaScript Error: "failed"]
[task 2021-09-01T02:06:40.758Z] 02:06:40     INFO - Buffered messages logged at 01:59:15
[task 2021-09-01T02:06:40.758Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | dom.contentprocess.crash_tab_ui_presented must not be reported. - true == true - 
[task 2021-09-01T02:06:40.758Z] 02:06:40     INFO - Leaving test bound test_background_crash_autosubmit_backlogged
[task 2021-09-01T02:06:40.759Z] 02:06:40     INFO - Entering test bound test_background_crash_multiple
[task 2021-09-01T02:06:40.759Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.760Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.760Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/t
[task 2021-09-01T02:06:40.760Z] 02:06:40     INFO - Buffered messages logged at 01:59:16
[task 2021-09-01T02:06:40.761Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Need to crash at least one tab. - true == true - 
[task 2021-09-01T02:06:40.761Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.762Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.762Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.762Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.762Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.762Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.763Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.763Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.763Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.763Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.764Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.764Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.765Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.765Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.765Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.766Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.766Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | multiple crash after first tab select telemetry - 1 == 1 - 
[task 2021-09-01T02:06:40.767Z] 02:06:40     INFO - Buffered messages logged at 01:59:17
[task 2021-09-01T02:06:40.767Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | multiple crash after original tab select telemetry - 1 == 1 - 
[task 2021-09-01T02:06:40.768Z] 02:06:40     INFO - Buffered messages logged at 01:59:18
[task 2021-09-01T02:06:40.768Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.768Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Browser should be remote in order to crash. - true == true - 
[task 2021-09-01T02:06:40.769Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Both remote browsers should share the same content process. - 104 == 104 - 
[task 2021-09-01T02:06:40.769Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | Need to crash at least one tab. - true == true - 
[task 2021-09-01T02:06:40.769Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.770Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is remote - true == true - 
[task 2021-09-01T02:06:40.770Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://www.example.com/
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2021-09-01T02:06:40.771Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.772Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.772Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.773Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.773Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not remote - true == true - 
[task 2021-09-01T02:06:40.774Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is not crashed - true == true - 
[task 2021-09-01T02:06:40.774Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | tab is pending - true == true - 
[task 2021-09-01T02:06:40.774Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | multiple crash after second crash telemetry - 1 == 1 - 
[task 2021-09-01T02:06:40.775Z] 02:06:40     INFO - Buffered messages logged at 01:59:19
[task 2021-09-01T02:06:40.775Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | multiple crash after second crash and tab select telemetry - 1 == 1 - 
[task 2021-09-01T02:06:40.775Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | multiple crash after second crash and third tab select telemetry - 2 == 2 - 
[task 2021-09-01T02:06:40.776Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | multiple crash after second crash and fourth tab select telemetry - 2 == 2 - 
[task 2021-09-01T02:06:40.776Z] 02:06:40     INFO - Leaving test bound test_background_crash_multiple
[task 2021-09-01T02:06:40.776Z] 02:06:40     INFO - Entering test bound test_preload_crash
[task 2021-09-01T02:06:40.777Z] 02:06:40     INFO - TEST-PASS | browser/components/sessionstore/test/browser_background_tab_crash.js | dom.contentprocess.crash_tab_ui_presented must not be reported. - true == true - 
[task 2021-09-01T02:06:40.777Z] 02:06:40     INFO - Buffered messages logged at 02:00:40
[task 2021-09-01T02:06:40.777Z] 02:06:40     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 4
[task 2021-09-01T02:06:40.778Z] 02:06:40     INFO - Buffered messages logged at 02:02:10
[task 2021-09-01T02:06:40.778Z] 02:06:40     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 3
[task 2021-09-01T02:06:40.778Z] 02:06:40     INFO - Buffered messages logged at 02:03:40
[task 2021-09-01T02:06:40.779Z] 02:06:40     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 2
[task 2021-09-01T02:06:40.779Z] 02:06:40     INFO - Buffered messages logged at 02:05:10
[task 2021-09-01T02:06:40.780Z] 02:06:40     INFO - Longer timeout required, waiting longer...  Remaining timeouts: 1
[task 2021-09-01T02:06:40.780Z] 02:06:40     INFO - Buffered messages logged at 02:05:27
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - Console message: [JavaScript Error: "1630461927902	addons.xpi	ERROR	System addon update list error Error: got node name: html, expected: updates" {file: "resource://gre/modules/Log.jsm" line: 723}]
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - append@resource://gre/modules/Log.jsm:723:12
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - log@resource://gre/modules/Log.jsm:379:16
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - error@resource://gre/modules/Log.jsm:387:10
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - updateSystemAddons/res<@resource://gre/modules/addons/XPIInstall.jsm:4049:25
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - 
[task 2021-09-01T02:06:40.781Z] 02:06:40     INFO - Buffered messages finished
[task 2021-09-01T02:06:40.782Z] 02:06:40     INFO - TEST-UNEXPECTED-FAIL | browser/components/sessionstore/test/browser_background_tab_crash.js | Test timed out - 
[task 2021-09-01T02:06:40.782Z] 02:06:40     INFO - GECKO(1542) | MEMORY STAT | vsize 8418MB | residentFast 583MB | heapAllocated 229MB
[task 2021-09-01T02:06:40.783Z] 02:06:40     INFO - TEST-OK | browser/components/sessionstore/test/browser_background_tab_crash.js | took 450411ms
task 2021-09-01T02:06:40.783Z] 02:06:40     INFO - GECKO(1542) | [Child 1544: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 118343000 == 1 [pid = 1544] [id = 129]
[task 2021-09-01T02:06:40.784Z] 02:06:40     INFO - GECKO(1542) | [Child 1544: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (1183a9040) [pid = 1544] [serial = 283] [outer = 0]
[task 2021-09-01T02:06:40.784Z] 02:06:40     INFO - GECKO(1542) | [Child 1544: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (118407c00) [pid = 1544] [serial = 284] [outer = 1183a9040]
[task 2021-09-01T02:06:40.785Z] 02:06:40     INFO - GECKO(1542) | [Parent 1542, Main Thread] WARNING: '!inner', file /builds/worker/checkouts/gecko/dom/ipc/jsactor/JSWindowActorProtocol.cpp:184
[task 2021-09-01T02:06:40.785Z] 02:06:40     INFO - checking window state
[task 2021-09-01T02:06:40.785Z] 02:06:40     INFO - TEST-START | browser/components/sessionstore/test/browser_backup_recovery.js
```