1668871 - [Fission] Intermittent docshell/test/browser/browser_platform_emulation.js and docshell/test/browser/browser_ua_emulation.js | Test timed out -

Status: RESOLVED FIXED

(Core :: DOM: Navigation, defect, P3)

Description

[Treeherder Bug Filer]

Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=317395731&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SHGkk90xQz6RExiHxOOPLg/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-10-02T12:58:13.767Z] 12:58:13     INFO - TEST-START | docshell/test/browser/browser_platform_emulation.js
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - TEST-PASS | docshell/test/browser/browser_platform_emulation.js | Newly created frames should use the new platform - "foo" == "foo" - 
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - Buffered messages finished
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - TEST-UNEXPECTED-FAIL | docshell/test/browser/browser_platform_emulation.js | Test timed out - 
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - GECKO(8101) | MEMORY STAT | vsize 3336MB | residentFast 363MB | heapAllocated 98MB
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - TEST-OK | docshell/test/browser/browser_platform_emulation.js | took 90088ms
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - Not taking screenshot here: see the one that was previously logged
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - TEST-UNEXPECTED-FAIL | docshell/test/browser/browser_platform_emulation.js | Found a tab after previous test timed out: data:text/html;charset=utf-8,<iframe id='test-iframe'></iframe> - 
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - GECKO(8101) | [Child 8585: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f27d2eb5000 == 2 [pid = 8585] [id = 12] [url = about:blank]
[task 2020-10-02T12:59:44.137Z] 12:59:44     INFO - GECKO(8101) | [Child 8585: Main Thread]: I/DocShellAndDOMWindowLeak --DOCSHELL 0x7f27d434b800 == 1 [pid = 8585] [id = 13] [url = about:blank]
[task 2020-10-02T12:59:44.139Z] 12:59:44     INFO - GECKO(8101) | [Child 8383: Main Thread]: I/DocShellAndDOMWindowLeak ++DOCSHELL 0x7f548c1a9000 == 1 [pid = 8383] [id = 52]
[task 2020-10-02T12:59:44.139Z] 12:59:44     INFO - GECKO(8101) | [Child 8383: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 1 (0x7f54a8893180) [pid = 8383] [serial = 99] [outer = (nil)]
[task 2020-10-02T12:59:44.140Z] 12:59:44     INFO - GECKO(8101) | [Child 8383: Main Thread]: I/DocShellAndDOMWindowLeak ++DOMWINDOW == 2 (0x7f548c1aa800) [pid = 8383] [serial = 100] [outer = 0x7f54a8893180]
[task 2020-10-02T12:59:44.140Z] 12:59:44     INFO - checking window state```

Comment 1

[Intermittent Failures Robot]

10 failures in 4195 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6
• mozilla-central: 4

Platform breakdown:

• linux1804-64: 6
• windows10-64-shippable: 2
• windows10-64-shippable-qr: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1668871&startday=2020-09-28&endday=2020-10-04&tree=all

Comment 2

[Intermittent Failures Robot]

46 failures in 4130 pushes (0.011 failures/push) were associated with this bug in the last 7 days.

This is the #26 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:

• mozilla-central: 14
• autoland: 31
• try: 1

Platform breakdown:

• windows10-64-shippable-qr: 8
• linux1804-64: 32
• windows10-64-shippable: 5
• linux1804-64-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1668871&startday=2020-10-05&endday=2020-10-11&tree=all

Comment 3

[Intermittent Failures Robot]

45 failures in 3694 pushes (0.012 failures/push) were associated with this bug in the last 7 days.

This is the #29 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: 33
• mozilla-central: 11
• try: 1

Platform breakdown:

• linux1804-64: 37
• linux1804-64-shippable: 1
• windows10-64-shippable: 3
• windows10-64-shippable-qr: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1668871&startday=2020-10-12&endday=2020-10-18&tree=all

Comment 4

[Razvan Maries]

Attachment: Bug 1668871 - Disabled browser_platform_emulation.js on Windows and Linux with fission. r?#intermittent-reviewers

Comment 5

[Intermittent Failures Robot]

57 failures in 4230 pushes (0.013 failures/push) were associated with this bug in the last 7 days.

This is the #14 most frequent failure this week.

** This test has failed more than 150 times in the last 21 days. It should be disabled until it can be fixed. **

Repository breakdown:

• autoland: 47
• mozilla-central: 10

Platform breakdown:

• linux1804-64: 48
• windows10-64-shippable: 6
• windows10-64-shippable-qr: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1668871&startday=2020-10-19&endday=2020-10-25&tree=all

Comment 6

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/2b47e9524ec9
Disabled browser_platform_emulation.js on Windows and Linux with fission. r=intermittent-reviewers,ahal DONTBUILD

Comment 7

[Dorel Luca [:dluca]]

https://hg.mozilla.org/mozilla-central/rev/2b47e9524ec9

Comment 8

[Intermittent Failures Robot]

3 failures in 4275 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3

Platform breakdown:

• linux1804-64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1668871&startday=2020-10-26&endday=2020-11-01&tree=all

Comment 9

[Neha Kochar [:neha]]

Both these tests are very alike and may be failing because of the same cause.

Comment 10

[Andreas Farre [:farre]]

Attachment: Bug 1668871 - Part 1: Always create a new LoadingSessionHistoryInfo on reload. r=peterv

Comment 11

[Andreas Farre [:farre]]

Attachment: Bug 1668871 - Part 2: Move event listener to frame element. r=peterv

Setting the event listener on the window will sometimes make us not
get a load event.

Depends on D99799

Comment 12

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/225dfe8c2cbe
Part 1: Always create a new LoadingSessionHistoryInfo on reload. r=peterv
https://hg.mozilla.org/integration/autoland/rev/41460e32ad6e
Part 2: Move event listener to frame element. r=peterv

Comment 13

[Alexandru Michis [:malexandru]]

https://hg.mozilla.org/mozilla-central/rev/225dfe8c2cbe
https://hg.mozilla.org/mozilla-central/rev/41460e32ad6e