1553582 - Intermittent /resource-timing/resource_reparenting.html | Testing resource entries - assert_unreached: http://web-platform.test:8000/resource-timing/blue.png?id=move_to_child is not expected to be in the Resource Timing buffer Reached unreachable code

Status: RESOLVED FIXED

(Core :: DOM: Core & HTML, defect, P2)

Description

[Treeherder Bug Filer]

Filed by: ncsoregi [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=247783787&repo=autoland
Full log: https://queue.taskcluster.net/v1/task/CMQRd0ZnQMGNhFAwi4dwiw/runs/0/artifacts/public/logs/live_backing.log

---

16:16:56 INFO - PID 4232 | ++DOMWINDOW == 5 (00EB0DC0) [pid = 4656] [serial = 5] [outer = 00000000]
16:16:56 INFO - PID 4232 | ++DOMWINDOW == 6 (0C16B400) [pid = 4656] [serial = 6] [outer = 00EB0DC0]
16:16:56 INFO -
16:16:56 INFO - TEST-UNEXPECTED-FAIL | /resource-timing/resource_reparenting.html | Testing resource entries - assert_unreached: http://web-platform.test:8000/resource-timing/blue.png?id=move_to_child is not expected to be in the Resource Timing buffer Reached unreachable code
16:16:56 INFO - test_resource_entries/<@http://web-platform.test:8000/resource-timing/resources/webperftestharnessextension.js:71:17
16:16:56 INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:1587:25
16:16:56 INFO - test@http://web-platform.test:8000/resources/testharness.js:544:30
16:16:56 INFO - test_resource_entries@http://web-platform.test:8000/resource-timing/resources/webperftestharnessextension.js:52:5
16:16:56 INFO - onload_test@http://web-platform.test:8000/resource-timing/resource_reparenting.html:42:5
16:16:56 INFO - onload@http://web-platform.test:8000/resource-timing/resource_reparenting.html:1:1
16:16:56 INFO - TEST-OK | /resource-timing/resource_reparenting.html | took 593ms

Comment 2

[Intermittent Failures Robot]

21 failures in 808 pushes (0.026 failures/push) were associated with this bug yesterday.

Repository breakdown:

• mozilla-central: 11
• autoland: 4
• try: 2
• mozilla-inbound: 4

Platform breakdown:

• android-em-7-0-x86_64: 8
• linux64: 3
• windows7-32: 1
• linux32-shippable: 3
• macosx1010-64-devedition: 1
• linux64-shippable-qr: 1
• linux64-shippable: 1
• macosx1010-64-shippable: 2
• linux64-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1553582&startday=2019-05-23&endday=2019-05-23&tree=all

Comment 3

[Noemi Erli[:noemi_erli]]

Could this be a regression from Bug 1529911?
https://treeherder.mozilla.org/#/jobs?repo=autoland&searchStr=d66b89581e9389744771a09841ef64da8d6f1ba2&revision=52f7de8a8df03c59c3287c162bcbc3bfa778fdf7

Comment 4

[Intermittent Failures Robot]

15 failures in 899 pushes (0.017 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 7
• mozilla-central: 3
• mozilla-inbound: 4
• try: 1

Platform breakdown:

• macosx1010-64-shippable: 6
• linux32-shippable: 4
• linux64-shippable: 1
• linux64: 3
• macosx1010-64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1553582&startday=2019-05-24&endday=2019-05-24&tree=all

Comment 5

[Intermittent Failures Robot]

53 failures in 4730 pushes (0.011 failures/push) were associated with this bug in the last 7 days.

This is the #39 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• autoland: 22
• mozilla-central: 16
• try: 6
• mozilla-inbound: 9

Platform breakdown:

• windows7-32: 2
• macosx1010-64-shippable: 13
• linux32-shippable: 9
• android-em-7-0-x86_64: 8
• linux64: 10
• macosx1010-64-devedition: 2
• linux64-shippable-qr: 2
• linux64-shippable: 3
• linux64-qr: 1
• macosx1010-64: 2
• windows10-aarch64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1553582&startday=2019-05-20&endday=2019-05-26&tree=all

Comment 6

[Valentin Gosu [:valentin] (he/him)]

Indeed, I changed the expectations for the test, and it seems they are a bit too relaxed.
I'll update them to reduce the failure rate.

Comment 7

[Valentin Gosu [:valentin] (he/him)]

Attachment: Bug 1553582 - Disable resource_reparenting.html in e10s because cancelling the channel is racy r=mayhemer

Comment 8

[Intermittent Failures Robot]

17 failures in 632 pushes (0.027 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 13
• mozilla-central: 3
• try: 1

Platform breakdown:

• linux32-shippable: 8
• linux64-shippable: 1
• linux64: 3
• linux64-shippable-qr: 1
• macosx1010-64-shippable: 2
• linux64-qr: 1
• windows7-32: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1553582&startday=2019-05-27&endday=2019-05-27&tree=all

Comment 9

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/e5b259801de3
Disable resource_reparenting.html in e10s because cancelling the channel is racy r=mayhemer

Comment 10

[Oana Pop-Rus]

https://hg.mozilla.org/mozilla-central/rev/e5b259801de3

Comment 11

[Intermittent Failures Robot]

29 failures in 4337 pushes (0.007 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 15
• mozilla-central: 7
• try: 4
• mozilla-inbound: 3

Platform breakdown:

• linux32-shippable: 11
• linux64: 5
• linux64-shippable: 2
• linux64-shippable-qr: 1
• linux64-qr: 1
• macosx1010-64-shippable: 6
• windows7-32: 2
• linux64-ccov: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1553582&startday=2019-05-27&endday=2019-06-02&tree=all