#[markdown(off)]
Filed by: egao [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=233501450&repo=try

https://queue.taskcluster.net/v1/task/ThtbHwEIQRaHKqtluVkODQ/runs/0/artifacts/public/logs/live_backing.log

Test: bc6

Context:
23:44:28 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_acc_reference.js | Test timed out -
23:44:28 INFO - GECKO(4344) | MEMORY STAT | vsize 5803MB | vsizeMaxContiguous 68734084MB | residentFast 205MB | heapAllocated 70MB
23:44:28 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_acc_reference.js | took 45073ms
23:44:28 INFO - checking window state
23:44:28 INFO - TEST-START | accessible/tests/browser/browser_shutdown_doc_acc_reference.js
23:45:13 INFO - Not taking screenshot here: see the one that was previously logged
23:45:13 INFO - Buffered messages logged at 23:44:28
23:45:13 INFO - Entering test bound
23:45:13 INFO - Buffered messages finished
23:45:13 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_doc_acc_reference.js | Test timed out -
23:45:13 INFO - GECKO(4344) | MEMORY STAT | vsize 5801MB | vsizeMaxContiguous 68734084MB | residentFast 204MB | heapAllocated 70MB
23:45:13 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_doc_acc_reference.js | took 45066ms
23:45:13 INFO - checking window state
23:45:13 INFO - TEST-START | accessible/tests/browser/browser_shutdown_multi_acc_reference_doc.js
23:45:58 INFO - Not taking screenshot here: see the one that was previously logged
23:45:58 INFO - Buffered messages logged at 23:45:13
23:45:58 INFO - Entering test bound
23:45:58 INFO - Buffered messages finished
23:45:58 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_multi_acc_reference_doc.js | Test timed out -
23:45:58 INFO - GECKO(4344) | MEMORY STAT | vsize 5808MB | vsizeMaxContiguous 68734084MB | residentFast 217MB | heapAllocated 72MB
23:45:58 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_multi_acc_reference_doc.js | took 45072ms
23:45:58 INFO - checking window state
23:45:58 INFO - TEST-START | accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js
23:46:43 INFO - Not taking screenshot here: see the one that was previously logged
23:46:43 INFO - Buffered messages logged at 23:45:58
23:46:43 INFO - Entering test bound
23:46:43 INFO - Buffered messages finished
23:46:43 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js | Test timed out -
23:46:43 INFO - GECKO(4344) | MEMORY STAT | vsize 5805MB | vsizeMaxContiguous 68734084MB | residentFast 219MB | heapAllocated 74MB
23:46:43 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_multi_acc_reference_obj.js | took 45075ms
23:46:43 INFO - checking window state
23:46:43 INFO - TEST-START | accessible/tests/browser/browser_shutdown_multi_reference.js
23:47:28 INFO - Not taking screenshot here: see the one that was previously logged
23:47:28 INFO - Buffered messages logged at 23:46:43
23:47:28 INFO - Entering test bound
23:47:28 INFO - Creating a service
23:47:28 INFO - Buffered messages finished
23:47:28 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_multi_reference.js | Test timed out -
23:47:28 INFO - GECKO(4344) | MEMORY STAT | vsize 5805MB | vsizeMaxContiguous 68734084MB | residentFast 220MB | heapAllocated 76MB
23:47:28 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_multi_reference.js | took 45066ms
23:47:28 INFO - checking window state
23:47:28 INFO - TEST-START | accessible/tests/browser/browser_shutdown_parent_own_reference.js
23:48:13 INFO - Not taking screenshot here: see the one that was previously logged
23:48:13 INFO - Buffered messages logged at 23:47:28
23:48:13 INFO - Entering test bound
23:48:13 INFO - Buffered messages logged at 23:47:29
23:48:13 INFO - Creating a service in parent and waiting for service to be created in content
23:48:13 INFO - TEST-PASS | accessible/tests/browser/browser_shutdown_parent_own_reference.js | Service initialized in parent -
23:48:13 INFO - Buffered messages finished
23:48:13 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_parent_own_reference.js | Test timed out -
23:48:13 INFO - GECKO(4344) | MEMORY STAT | vsize 5808MB | vsizeMaxContiguous 68734084MB | residentFast 225MB | heapAllocated 79MB
23:48:13 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_parent_own_reference.js | took 45088ms
23:48:13 INFO - Not taking screenshot here: see the one that was previously logged
23:48:13 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_parent_own_reference.js | Found a tab after previous test timed out: data:text/html, <html> <head> <meta charset="utf-8"/> <title>Accessibility Test</title> </head> <body></body> </html> -
23:48:13 INFO - checking window state
23:48:13 INFO - TEST-START | accessible/tests/browser/browser_shutdown_pref.js
23:48:13 INFO - Not taking screenshot here: see the one that was previously logged
23:48:13 INFO - Buffered messages logged at 23:48:13
23:48:13 INFO - Entering test bound testForceDisable
23:48:13 INFO - Buffered messages finished
23:48:13 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_pref.js | Accessibility is disabled by default -
23:48:13 INFO - Stack trace:
23:48:13 INFO - chrome://mochikit/content/browser-test.js:test_ok:1304
23:48:13 INFO - chrome://mochitests/content/browser/accessible/tests/browser/browser_shutdown_pref.js:testForceDisable:10
23:48:13 INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1106
23:48:13 INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1134
23:48:13 INFO - chrome://mochikit/content/browser-test.js:nextTest/<:995
23:48:13 INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:803
23:48:13 INFO - Reset force disabled preference
23:48:13 INFO - Enable accessibility service via XPCOM
23:48:58 INFO - Not taking screenshot here: see the one that was previously logged
23:48:58 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_pref.js | Test timed out -
23:48:59 INFO - GECKO(4344) | MEMORY STAT | vsize 5808MB | vsizeMaxContiguous 68734084MB | residentFast 226MB | heapAllocated 80MB
23:48:59 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_pref.js | took 45088ms
23:48:59 INFO - checking window state
23:48:59 INFO - TEST-START | accessible/tests/browser/browser_shutdown_remote_no_reference.js
23:49:44 INFO - Not taking screenshot here: see the one that was previously logged
23:49:44 INFO - Buffered messages logged at 23:48:59
23:49:44 INFO - Entering test bound
23:49:44 INFO - Creating a service in parent and waiting for service to be created in content
23:49:44 INFO - TEST-PASS | accessible/tests/browser/browser_shutdown_remote_no_reference.js | Service initialized in parent -
23:49:44 INFO - Buffered messages finished
23:49:44 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_remote_no_reference.js | Test timed out -
23:49:44 INFO - GECKO(4344) | MEMORY STAT | vsize 5806MB | vsizeMaxContiguous 68734084MB | residentFast 220MB | heapAllocated 81MB
23:49:44 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_remote_no_reference.js | took 45081ms
23:49:44 INFO - Not taking screenshot here: see the one that was previously logged
23:49:44 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_remote_no_reference.js | Found a tab after previous test timed out: data:text/html, <html> <head> <meta charset="utf-8"/> <title>Accessibility Test</title> </head> <body></body> </html> -
23:49:44 INFO - checking window state
23:49:44 INFO - TEST-START | accessible/tests/browser/browser_shutdown_remote_only.js
23:49:44 INFO - GECKO(4344) | JavaScript error: resource://testing-common/content-task.js, line 62: NS_ERROR_ILLEGAL_VALUE
23:51:14 INFO - Not taking screenshot here: see the one that was previously logged
23:51:14 INFO - Buffered messages logged at 23:49:44
23:51:14 INFO - Entering test bound
23:51:14 INFO - Creating a service in content
23:51:14 INFO - Console message: [JavaScript Error: "NS_ERROR_ILLEGAL_VALUE" {file: "resource://testing-common/content-task.js" line: 62}]
23:51:14 INFO - Buffered messages logged at 23:50:10
23:51:14 INFO - Console message: [JavaScript Error: "Polling for changes failed: Unexpected content-type "text/html;charset=utf-8"." {file: "resource://services-settings/remote-settings.js" line: 203}]
23:51:14 INFO - remoteSettingsFunction/remoteSettings.pollChanges@resource://services-settings/remote-settings.js:203:13
23:51:14 INFO - async*notify@resource://services-settings/RemoteSettingsComponents.jsm:22:20
23:51:14 INFO - TM_notify/<@resource://gre/modules/UpdateTimerManager.jsm:192:48
23:51:14 INFO - TM_notify@resource://gre/modules/UpdateTimerManager.jsm:239:7
23:51:14 INFO -
23:51:14 INFO - Buffered messages finished
23:51:14 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_remote_only.js | Test timed out -
23:51:14 INFO - GECKO(4344) | MEMORY STAT | vsize 5814MB | vsizeMaxContiguous 68734084MB | residentFast 205MB | heapAllocated 64MB
23:51:14 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_remote_only.js | took 90071ms
23:51:14 INFO - Not taking screenshot here: see the one that was previously logged
23:51:14 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_remote_only.js | Found a tab after previous test timed out: data:text/html, <html> <head> <meta charset="utf-8"/> <title>Accessibility Test</title> </head> <body></body> </html> -
23:51:14 INFO - checking window state
23:51:14 INFO - TEST-START | accessible/tests/browser/browser_shutdown_remote_own_reference.js
23:51:59 INFO - Not taking screenshot here: see the one that was previously logged
23:51:59 INFO - Buffered messages logged at 23:51:14
23:51:59 INFO - Entering test bound
23:51:59 INFO - Creating a service in parent and waiting for service to be created in content
23:51:59 INFO - TEST-PASS | accessible/tests/browser/browser_shutdown_remote_own_reference.js | Service initialized in parent -
23:51:59 INFO - Buffered messages finished
23:51:59 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_remote_own_reference.js | Test timed out -
23:51:59 INFO - GECKO(4344) | MEMORY STAT | vsize 5814MB | vsizeMaxContiguous 68734084MB | residentFast 205MB | heapAllocated 64MB
23:51:59 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_remote_own_reference.js | took 45069ms
23:51:59 INFO - Not taking screenshot here: see the one that was previously logged
23:51:59 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_remote_own_reference.js | Found a tab after previous test timed out: data:text/html, <html> <head> <meta charset="utf-8"/> <title>Accessibility Test</title> </head> <body></body> </html> -
23:51:59 INFO - checking window state
23:51:59 INFO - TEST-START | accessible/tests/browser/browser_shutdown_scope_lifecycle.js
23:52:44 INFO - Not taking screenshot here: see the one that was previously logged
23:52:44 INFO - Buffered messages logged at 23:51:59
23:52:44 INFO - Entering test bound
23:52:44 INFO - TEST-PASS | accessible/tests/browser/browser_shutdown_scope_lifecycle.js | Service initialized -
23:52:44 INFO - Buffered messages finished
23:52:44 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_scope_lifecycle.js | Test timed out -
23:52:44 INFO - GECKO(4344) | MEMORY STAT | vsize 5816MB | vsizeMaxContiguous 68734084MB | residentFast 200MB | heapAllocated 56MB
23:52:44 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_scope_lifecycle.js | took 45503ms
23:52:44 INFO - checking window state
23:52:44 INFO - TEST-START | accessible/tests/browser/browser_shutdown_start_restart.js
23:53:30 INFO - Not taking screenshot here: see the one that was previously logged
23:53:30 INFO - Buffered messages logged at 23:52:44
23:53:30 INFO - Entering test bound
23:53:30 INFO - Creating a service
23:53:30 INFO - Buffered messages finished
23:53:30 INFO - TEST-UNEXPECTED-FAIL | accessible/tests/browser/browser_shutdown_start_restart.js | Test timed out -
23:53:30 INFO - GECKO(4344) | MEMORY STAT | vsize 5814MB | vsizeMaxContiguous 68734084MB | residentFast 198MB | heapAllocated 57MB
23:53:30 INFO - TEST-OK | accessible/tests/browser/browser_shutdown_start_restart.js | took 45064ms

Intermittently affects many tests under the accessible/tests/browser/ directory on windows10-aarch64.