1580751 - Intermittent TV tier 2 accessible/tests/browser/states/browser_offscreen_element_in_out_of_process_iframe.js | Uncaught exception - OperationError: The operation failed for an operation-specific reason

Status: RESOLVED DUPLICATE of bug 1585239

(Core :: Layout, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=266275336&repo=autoland
Full log: https://queue.taskcluster.net/v1/task/L7_WLyr1RF6eo69A1HvTNg/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://queue.taskcluster.net/v1/task/L7_WLyr1RF6eo69A1HvTNg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

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Comment 1

[Intermittent Failures Robot]

3 failures in 4637 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2
• mozilla-central: 1

Platform breakdown:

• linux64-shippable: 2
• windows10-aarch64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1580751&startday=2019-09-09&endday=2019-09-15&tree=all

Comment 2

[Intermittent Failures Robot]

9 failures in 4350 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1
• autoland: 4
• mozilla-central: 4

Platform breakdown:

• linux64-devedition: 1
• macosx1014-64-shippable: 2
• windows10-aarch64: 3
• linux64-shippable: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1580751&startday=2019-09-16&endday=2019-09-22&tree=all

Comment 3

[Intermittent Failures Robot]

8 failures in 4530 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 5
• autoland: 3

Platform breakdown:

• windows10-aarch64: 5
• linux64-shippable: 2
• macosx1014-64-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1580751&startday=2019-09-23&endday=2019-09-29&tree=all

Comment 4

[Intermittent Failures Robot]

5 failures in 4292 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1
• autoland: 3
• mozilla-central: 1

Platform breakdown:

• windows10-aarch64: 2
• linux64-shippable: 1
• windows10-64-qr: 1
• macosx1014-64-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1580751&startday=2019-09-30&endday=2019-10-06&tree=all

Comment 5

[:Gijs (he/him)]

This is probably actually caused by:

[task 2019-09-12T10:43:22.529Z] 10:43:22     INFO - GECKO(3009) | JavaScript error: chrome://mochitests/content/browser/accessible/tests/browser/states/head.js, line 54: TypeError: acc.getAccessibleFor(...) is null

throwing an exception which is propagated by SpecialPowers.spawn