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

https://treeherder.mozilla.org/logviewer.html#?job_id=230892522&repo=try

https://queue.taskcluster.net/v1/task/WOsaA6c7REG_7iQR94_oQQ/runs/0/artifacts/public/logs/live_backing.log

Observed during windows10-aarch64/opt-mochitest-clipboard-e10s.

Context for browser_markup_copy_image_data.js:

23:34:10 INFO - GECKO(4748) | JavaScript error: resource://devtools/shared/protocol.js, line 1299: Error: Connection closed, pending request to server1.conn1.child1/domwalker25, type hasAccessibilityProperties failed
23:34:10 INFO - GECKO(4748) | Request stack:
23:34:10 INFO - GECKO(4748) | request@resource://devtools/shared/protocol.js:1386:14
23:34:10 INFO - GECKO(4748) | generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:34:10 INFO - GECKO(4748) | _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:34:10 INFO - GECKO(4748) | async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:34:10 INFO - GECKO(4748) | _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:34:10 INFO - GECKO(4748) | openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:34:10 INFO - GECKO(4748) | assertCopyImageDataNotAvailable@chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_copy_image_data.js:35:24
23:34:10 INFO - GECKO(4748) | @chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_copy_image_data.js:31:9
23:34:10 INFO - GECKO(4748) | Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:34:10 INFO - GECKO(4748) | async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:34:10 INFO - GECKO(4748) | nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:34:10 INFO - GECKO(4748) | SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:34:10 INFO - Console message: [JavaScript Error: "Error: Connection closed, pending request to server1.conn1.child1/domwalker25, type hasAccessibilityProperties failed
23:34:10 INFO -
23:34:10 INFO - Request stack:
23:34:10 INFO - request@resource://devtools/shared/protocol.js:1386:14
23:34:10 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:34:10 INFO - _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:34:10 INFO - async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:34:10 INFO - _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:34:10 INFO - openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:34:10 INFO - assertCopyImageDataNotAvailable@chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_copy_image_data.js:35:24
23:34:10 INFO - @chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_copy_image_data.js:31:9
23:34:10 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:34:10 INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:34:10 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:34:10 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:34:10 INFO - " {file: "resource://devtools/shared/protocol.js" line: 1299}]
23:34:10 INFO - GECKO(4748) | console.warn: "Error while detaching the thread front: 'detach' request packet to 'server1.conn1.child1/context22' can't be sent as the connection is closed."
23:34:11 INFO - Removing tab.
23:34:11 INFO - Waiting for event: 'TabClose' on [object XULElement].
23:34:11 INFO - Got event: 'TabClose' on [object XULElement].
23:34:11 INFO - Tab removed and finished closing
23:34:11 INFO - Not taking screenshot here: see the one that was previously logged
23:34:11 INFO - TEST-UNEXPECTED-FAIL | devtools/client/inspector/markup/test/browser_markup_copy_image_data.js | A promise chain failed to handle a rejection: Connection closed, pending request to server1.conn1.child1/domwalker25, type hasAccessibilityProperties failed
23:34:11 INFO -
23:34:11 INFO - Request stack:
23:34:11 INFO - request@resource://devtools/shared/protocol.js:1386:14
23:34:11 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:34:11 INFO - _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:34:11 INFO - async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:34:11 INFO - _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:34:11 INFO - openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:34:11 INFO - assertCopyImageDataNotAvailable@chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_copy_image_data.js:35:24
23:34:11 INFO - @chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_copy_image_data.js:31:9
23:34:11 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:34:11 INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:34:11 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:34:11 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:34:11 INFO - - stack: destroy@resource://devtools/shared/protocol.js:1299:23
23:34:11 INFO - destroy@resource://devtools/shared/protocol.js:946:17
23:34:11 INFO - destroy@resource://devtools/shared/protocol.js:1301:11
23:34:11 INFO - destroy@resource://devtools/shared/fronts/inspector.js:486:11
23:34:11 INFO - destroyInspector/this._destroyingInspector<@resource://devtools/client/framework/toolbox.js:2857:29
23:34:11 INFO - Async*destroyInspector@resource://devtools/client/framework/toolbox.js:2863:18
23:34:11 INFO - _destroyToolbox@resource://devtools/client/framework/toolbox.js:2964:27
23:34:11 INFO - async*destroy@resource://devtools/client/framework/toolbox.js:2894:28
23:34:11 INFO - closeToolbox@resource://devtools/client/framework/devtools.js:594:19
23:34:11 INFO - async*closeTabAndToolbox@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:453:23
23:34:11 INFO - async*cleanup@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:136:11
23:34:11 INFO - async*nextTest@chrome://mochikit/content/browser-test.js:705:35
23:34:11 INFO - async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1407:25
23:34:11 INFO - run@chrome://mochikit/content/browser-test.js:1344:9
23:34:11 INFO - Rejection date: Wed Feb 27 2019 23:34:10 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 257
23:34:11 INFO - Stack trace:
23:34:11 INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:257
23:34:11 INFO - chrome://mochikit/content/browser-test.js:nextTest:745
23:34:11 INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1407
23:34:11 INFO - chrome://mochikit/content/browser-test.js:run:1344
23:34:11 INFO - GECKO(4748) | MEMORY STAT | vsize 5859MB | vsizeMaxContiguous 70342887MB | residentFast 265MB | heapAllocated 97MB

Context for browser_markup_links_04.js
23:34:13 INFO - GECKO(4748) | JavaScript error: resource://devtools/shared/protocol.js, line 1299: Error: Connection closed, pending request to server1.conn2.child1/domwalker25, type hasAccessibilityProperties failed
23:34:13 INFO - GECKO(4748) | Request stack:
23:34:13 INFO - GECKO(4748) | request@resource://devtools/shared/protocol.js:1386:14
23:34:13 INFO - GECKO(4748) | generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:34:13 INFO - GECKO(4748) | _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:34:13 INFO - GECKO(4748) | async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:34:13 INFO - GECKO(4748) | _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:34:13 INFO - GECKO(4748) | openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:34:13 INFO - GECKO(4748) | @chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_links_04.js:89:26
23:34:13 INFO - GECKO(4748) | Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:34:13 INFO - GECKO(4748) | async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:34:13 INFO - GECKO(4748) | nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:34:13 INFO - GECKO(4748) | SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:34:13 INFO - Console message: [JavaScript Error: "Error: Connection closed, pending request to server1.conn2.child1/domwalker25, type hasAccessibilityProperties failed
23:34:13 INFO -
23:34:13 INFO - Request stack:
23:34:13 INFO - request@resource://devtools/shared/protocol.js:1386:14
23:34:13 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:34:13 INFO - _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:34:13 INFO - async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:34:13 INFO - _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:34:13 INFO - openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:34:13 INFO - @chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_links_04.js:89:26
23:34:13 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:34:13 INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:34:13 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:34:13 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:34:13 INFO - " {file: "resource://devtools/shared/protocol.js" line: 1299}]
23:34:13 INFO - GECKO(4748) | console.warn: "Error while detaching the thread front: 'detach' request packet to 'server1.conn2.child1/context22' can't be sent as the connection is closed."
23:34:13 INFO - Removing tab.
23:34:13 INFO - Waiting for event: 'TabClose' on [object XULElement].
23:34:13 INFO - Got event: 'TabClose' on [object XULElement].
23:34:13 INFO - Tab removed and finished closing
23:34:14 INFO - Not taking screenshot here: see the one that was previously logged
23:34:14 INFO - TEST-UNEXPECTED-FAIL | devtools/client/inspector/markup/test/browser_markup_links_04.js | A promise chain failed to handle a rejection: Connection closed, pending request to server1.conn2.child1/domwalker25, type hasAccessibilityProperties failed
23:34:14 INFO -
23:34:14 INFO - Request stack:
23:34:14 INFO - request@resource://devtools/shared/protocol.js:1386:14
23:34:14 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:34:14 INFO - _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:34:14 INFO - async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:34:14 INFO - _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:34:14 INFO - openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:34:14 INFO - @chrome://mochitests/content/browser/devtools/client/inspector/markup/test/browser_markup_links_04.js:89:26
23:34:14 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:34:14 INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:34:14 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:34:14 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:34:14 INFO - - stack: destroy@resource://devtools/shared/protocol.js:1299:23
23:34:14 INFO - destroy@resource://devtools/shared/protocol.js:946:17
23:34:14 INFO - destroy@resource://devtools/shared/protocol.js:1301:11
23:34:14 INFO - destroy@resource://devtools/shared/fronts/inspector.js:486:11
23:34:14 INFO - destroyInspector/this._destroyingInspector<@resource://devtools/client/framework/toolbox.js:2857:29
23:34:14 INFO - Async*destroyInspector@resource://devtools/client/framework/toolbox.js:2863:18
23:34:14 INFO - _destroyToolbox@resource://devtools/client/framework/toolbox.js:2964:27
23:34:14 INFO - async*destroy@resource://devtools/client/framework/toolbox.js:2894:28
23:34:14 INFO - closeToolbox@resource://devtools/client/framework/devtools.js:594:19
23:34:14 INFO - async*closeTabAndToolbox@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:453:23
23:34:14 INFO - async*cleanup@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:136:11
23:34:14 INFO - async*nextTest@chrome://mochikit/content/browser-test.js:705:35
23:34:14 INFO - async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1407:25
23:34:14 INFO - run@chrome://mochikit/content/browser-test.js:1344:9
23:34:14 INFO - Rejection date: Wed Feb 27 2019 23:34:13 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 257
23:34:14 INFO - Stack trace:
23:34:14 INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:257
23:34:14 INFO - chrome://mochikit/content/browser-test.js:nextTest:745
23:34:14 INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1407
23:34:14 INFO - chrome://mochikit/content/browser-test.js:run:1344
23:34:14 INFO - GECKO(4748) | MEMORY STAT | vsize 5863MB | vsizeMaxContiguous 70342887MB | residentFast 272MB | heapAllocated 100MB

Context for browser_inspector_menu-01-sensitivity.js
23:35:12 INFO - Console message: [JavaScript Error: "Error: Connection closed, pending request to server1.conn2.child1/domwalker25, type hasAccessibilityProperties failed
23:35:12 INFO -
23:35:12 INFO - Request stack:
23:35:12 INFO - request@resource://devtools/shared/protocol.js:1386:14
23:35:12 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:35:12 INFO - _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:35:12 INFO - async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:35:12 INFO - _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:35:12 INFO - openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:35:12 INFO - @chrome://mochitests/content/browser/devtools/client/inspector/test/browser_inspector_menu-01-sensitivity.js:256:26
23:35:12 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:35:12 INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:35:12 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:35:12 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:35:12 INFO - " {file: "resource://devtools/shared/protocol.js" line: 1299}]
23:35:12 INFO - Removing tab.
23:35:12 INFO - Waiting for event: 'TabClose' on [object XULElement].
23:35:12 INFO - Got event: 'TabClose' on [object XULElement].
23:35:12 INFO - Tab removed and finished closing
23:35:12 INFO - Buffered messages finished
23:35:12 INFO - TEST-UNEXPECTED-FAIL | devtools/client/inspector/test/browser_inspector_menu-01-sensitivity.js | A promise chain failed to handle a rejection: Connection closed, pending request to server1.conn2.child1/domwalker25, type hasAccessibilityProperties failed
23:35:12 INFO -
23:35:12 INFO - Request stack:
23:35:12 INFO - request@resource://devtools/shared/protocol.js:1386:14
23:35:12 INFO - generateRequestMethods/</frontProto[name]@resource://devtools/shared/protocol.js:1510:19
23:35:12 INFO - _updateA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:767:44
23:35:12 INFO - async*_buildA11YMenuItem@resource://devtools/client/inspector/markup/markup-context-menu.js:364:12
23:35:12 INFO - _openMenu@resource://devtools/client/inspector/markup/markup-context-menu.js:742:10
23:35:12 INFO - openContextMenuAndGetAllItems@chrome://mochitests/content/browser/devtools/client/inspector/test/shared-head.js:663:45
23:35:12 INFO - @chrome://mochitests/content/browser/devtools/client/inspector/test/browser_inspector_menu-01-sensitivity.js:256:26
23:35:12 INFO - Async*Tester_execTest/<@chrome://mochikit/content/browser-test.js:1106:34
23:35:12 INFO - async*Tester_execTest@chrome://mochikit/content/browser-test.js:1134:12
23:35:12 INFO - nextTest/<@chrome://mochikit/content/browser-test.js:995:14
23:35:12 INFO - SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<@chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:803:59
23:35:12 INFO - - stack: destroy@resource://devtools/shared/protocol.js:1299:23
23:35:12 INFO - destroy@resource://devtools/shared/protocol.js:946:17
23:35:12 INFO - destroy@resource://devtools/shared/protocol.js:1301:11
23:35:12 INFO - destroy@resource://devtools/shared/fronts/inspector.js:486:11
23:35:12 INFO - destroyInspector/this._destroyingInspector<@resource://devtools/client/framework/toolbox.js:2857:29
23:35:12 INFO - Async*destroyInspector@resource://devtools/client/framework/toolbox.js:2863:18
23:35:12 INFO - _destroyToolbox@resource://devtools/client/framework/toolbox.js:2964:27
23:35:12 INFO - async*destroy@resource://devtools/client/framework/toolbox.js:2894:28
23:35:12 INFO - closeToolbox@resource://devtools/client/framework/devtools.js:594:19
23:35:12 INFO - async*closeTabAndToolbox@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:453:23
23:35:12 INFO - async*cleanup@chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js:136:11
23:35:12 INFO - async*nextTest@chrome://mochikit/content/browser-test.js:705:35
23:35:12 INFO - async*testScope/test_finish/<@chrome://mochikit/content/browser-test.js:1407:25
23:35:12 INFO - run@chrome://mochikit/content/browser-test.js:1344:9
23:35:12 INFO - Rejection date: Wed Feb 27 2019 23:35:11 GMT+0000 (Greenwich Mean Time) - false == true - JS frame :: resource://testing-common/PromiseTestUtils.jsm :: assertNoUncaughtRejections :: line 257
23:35:12 INFO - Stack trace:
23:35:12 INFO - resource://testing-common/PromiseTestUtils.jsm:assertNoUncaughtRejections:257
23:35:12 INFO - chrome://mochikit/content/browser-test.js:nextTest:745
23:35:12 INFO - chrome://mochikit/content/browser-test.js:testScope/test_finish/<:1407
23:35:12 INFO - chrome://mochikit/content/browser-test.js:run:1344
23:35:12 INFO - GECKO(4360) | MEMORY STAT | vsize 5858MB | vsizeMaxContiguous 68184827MB | residentFast 266MB | heapAllocated 98MB

Disabling test with reference to 1533114.