1694941 - Intermittent browser/modules/test/browser/browser_TabUnloader.js | index X is correct - Got [object XULElement], expected [object XULElement]

Status: RESOLVED FIXED

(Firefox :: General, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: cbrindusan [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=331170012&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/AZn3WXnRTyyTi1nRoZuOZw/runs/0/artifacts/public/logs/live_backing.log

---

[task 2021-02-25T11:17:42.162Z] 11:17:42     INFO - TEST-START | browser/modules/test/browser/browser_TabUnloader.js
[task 2021-02-25T11:17:43.107Z] 11:17:43     INFO - GECKO(9344) | Waiting for browser load
[task 2021-02-25T11:17:43.107Z] 11:17:43     INFO - GECKO(9344) | Waiting for browser state change
[task 2021-02-25T11:17:43.123Z] 11:17:43     INFO - GECKO(9344) | Saw state f0001 and status 0
[task 2021-02-25T11:17:43.388Z] 11:17:43     INFO - GECKO(9344) | Saw state c0010 and status 0
[task 2021-02-25T11:17:43.388Z] 11:17:43     INFO - GECKO(9344) | Browser got expected state change https://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html
[task 2021-02-25T11:17:43.430Z] 11:17:43     INFO - GECKO(9344) | Waiting for browser load
[task 2021-02-25T11:17:43.432Z] 11:17:43     INFO - GECKO(9344) | Waiting for browser state change
[task 2021-02-25T11:17:43.446Z] 11:17:43     INFO - GECKO(9344) | Saw state f0001 and status 0
[task 2021-02-25T11:17:43.648Z] 11:17:43     INFO - GECKO(9344) | Saw state c0010 and status 0
[task 2021-02-25T11:17:43.650Z] 11:17:43     INFO - GECKO(9344) | Browser got expected state change https://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html
[task 2021-02-25T11:17:45.535Z] 11:17:45     INFO - TEST-INFO | started process screentopng
[task 2021-02-25T11:17:45.824Z] 11:17:45     INFO - TEST-INFO | screentopng: exit 0
[task 2021-02-25T11:17:45.826Z] 11:17:45     INFO - Buffered messages logged at 11:17:42
[task 2021-02-25T11:17:45.826Z] 11:17:45     INFO - Entering test bound test
[task 2021-02-25T11:17:45.826Z] 11:17:45     INFO - Buffered messages logged at 11:17:43
[task 2021-02-25T11:17:45.826Z] 11:17:45     INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "https://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html" line: 0}]
[task 2021-02-25T11:17:45.826Z] 11:17:45     INFO - Console message: [JavaScript Error: "Unknown Collection "main/partitioning-exempt-urls"" {file: "resource://services-settings/RemoteSettingsClient.jsm" line: 160}]
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - UnknownCollectionError@resource://services-settings/RemoteSettingsClient.jsm:160:5
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - sync@resource://services-settings/RemoteSettingsClient.jsm:470:13
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - 
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - Console message: [JavaScript Error: "The character encoding of the HTML document was not declared. The document will render with garbled text in some browser configurations if the document contains characters from outside the US-ASCII range. The character encoding of the page must be declared in the document or in the transfer protocol." {file: "https://example.com/browser/browser/modules/test/browser/file_mediaPlayback.html" line: 0}]
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - Buffered messages logged at 11:17:45
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | tab is pinned - 
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | tab is playing sound - 
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | tab is pinned and playing sound - 
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | right number of tabs in discard sort list - 
[task 2021-02-25T11:17:45.827Z] 11:17:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | index 0 is correct - 
[task 2021-02-25T11:17:45.828Z] 11:17:45     INFO - TEST-PASS | browser/modules/test/browser/browser_TabUnloader.js | index 1 is correct - 
[task 2021-02-25T11:17:45.828Z] 11:17:45     INFO - Buffered messages finished
[task 2021-02-25T11:17:45.828Z] 11:17:45     INFO - TEST-UNEXPECTED-FAIL | browser/modules/test/browser/browser_TabUnloader.js | index 2 is correct - Got [object XULElement], expected [object XULElement]```

Comment 1

[Intermittent Failures Robot]

6 failures in 4327 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 5

Platform and build breakdown:

• linux1804-64-shippable: 3
  • opt: 3
• linux1804-64-tsan: 1
  • opt: 1
• linux1804-64-asan: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-02-22&endday=2021-02-28&tree=all

Comment 2

[Intermittent Failures Robot]

8 failures in 3683 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 7
• try: 1

Platform and build breakdown:

• linux1804-64: 4
  • opt: 4
• linux1804-64-tsan: 3
  • opt: 3
• windows10-64: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-03-01&endday=2021-03-07&tree=all

Comment 3

[Intermittent Failures Robot]

8 failures in 4622 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6
• try: 2

Platform and build breakdown:

• linux1804-64-asan: 2
  • opt: 2
• linux1804-64-shippable: 1
  • opt: 1
• linux1804-64-tsan: 1
  • opt: 1
• linux1804-64: 4
  • opt: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-03-08&endday=2021-03-14&tree=all

Comment 4

[Intermittent Failures Robot]

10 failures in 4257 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 7
• mozilla-central: 2
• try: 1

Platform and build breakdown:

• linux1804-64-asan: 3
  • opt: 3
• linux1804-64-tsan: 4
  • opt: 4
• linux1804-64: 1
  • opt: 1
• linux1804-64-shippable: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-03-15&endday=2021-03-21&tree=all

Comment 5

[Intermittent Failures Robot]

7 failures in 3967 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 2
• autoland: 5

Platform and build breakdown:

• linux1804-64-shippable: 2
  • opt: 2
• linux1804-64-tsan: 2
  • opt: 2
• linux1804-64: 3
  • opt: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-03-22&endday=2021-03-28&tree=all

Comment 6

[Intermittent Failures Robot]

7 failures in 3125 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 5
• mozilla-central: 2

Platform and build breakdown:

• linux1804-64: 3
  • opt: 3
• linux1804-64-shippable: 2
  • opt: 2
• linux1804-64-asan: 1
  • opt: 1
• windows10-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-03-29&endday=2021-04-04&tree=all

Comment 7

[Intermittent Failures Robot]

7 failures in 3854 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 5
• try: 2

Platform and build breakdown:

• linux1804-64-asan: 4
  • opt: 4
• linux1804-64-devedition: 1
  • opt: 1
• linux1804-64: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-04-05&endday=2021-04-11&tree=all

Comment 8

[Intermittent Failures Robot]

6 failures in 4255 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6

Platform and build breakdown:

• linux1804-64: 1
  • opt: 1
• linux1804-64-asan: 5
  • opt: 5

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-04-12&endday=2021-04-18&tree=all

Comment 9

[Intermittent Failures Robot]

5 failures in 3224 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 5

Platform and build breakdown:

• linux1804-64-asan: 3
  • opt: 3
• linux1804-64: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-04-19&endday=2021-04-25&tree=all

Comment 10

[Intermittent Failures Robot]

2 failures in 3706 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 1

Platform and build breakdown:

• linux1804-64-asan: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-04-26&endday=2021-05-02&tree=all

Comment 11

[Intermittent Failures Robot]

1 failures in 3279 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• linux1804-64-shippable: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-05-03&endday=2021-05-09&tree=all

Comment 12

[Intermittent Failures Robot]

8 failures in 3061 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 6
• try: 2

Platform and build breakdown:

• linux1804-64-shippable: 2
  • opt: 2
• linux1804-64: 6
  • opt: 3
  • debug: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-05-17&endday=2021-05-23&tree=all

Comment 13

[Intermittent Failures Robot]

2 failures in 2908 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform and build breakdown:

• linux1804-64: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-05-24&endday=2021-05-30&tree=all

Comment 14

[Intermittent Failures Robot]

2 failures in 3065 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 2

Platform and build breakdown:

• linux1804-64: 2
  • opt: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-05-31&endday=2021-06-06&tree=all

Comment 15

[Intermittent Failures Robot]

8 failures in 3502 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 7
• try: 1

Platform and build breakdown:

• linux1804-64: 5
  • opt: 3
  • debug: 2
• linux1804-64-shippable: 2
  • opt: 2
• linux1804-64-asan: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-06-07&endday=2021-06-13&tree=all

Comment 16

[Intermittent Failures Robot]

8 failures in 2888 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1
• autoland: 7

Platform and build breakdown:

• linux1804-64: 6
  • opt: 4
  • debug: 2
• linux1804-64-shippable: 1
  • opt: 1
• linux1804-64-asan: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-06-14&endday=2021-06-20&tree=all

Comment 17

[Intermittent Failures Robot]

6 failures in 3115 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• autoland: 5

Platform and build breakdown:

• linux1804-64: 4
  • debug: 1
  • opt: 3
• linux1804-64-shippable: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-06-21&endday=2021-06-27&tree=all

Comment 18

[Intermittent Failures Robot]

1 failures in 723 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform and build breakdown:

• linux1804-64-shippable: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-06-28&endday=2021-07-04&tree=all

Comment 19

[Intermittent Failures Robot]

12 failures in 2387 pushes (0.005 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• autoland: 8
• mozilla-central: 3

Platform and build breakdown:

• linux1804-64: 6
  • debug: 1
  • opt: 5
• linux1804-64-ccov: 3
  • opt: 3
• linux1804-64-asan: 3
  • opt: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-07-05&endday=2021-07-11&tree=all

Comment 20

[Intermittent Failures Robot]

10 failures in 2224 pushes (0.004 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 4
• autoland: 6

Platform and build breakdown:

• linux1804-64-asan: 6
  • opt: 6
• linux1804-64-ccov: 3
  • opt: 3
• linux1804-64: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-07-12&endday=2021-07-18&tree=all

Comment 21

[Intermittent Failures Robot]

11 failures in 2940 pushes (0.004 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 7
• autoland: 4

Platform and build breakdown:

• linux1804-64-ccov: 7
  • opt: 7
• linux1804-64-asan: 2
  • opt: 2
• linux1804-64-qr: 1
  • opt: 1
• linux1804-64: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-07-19&endday=2021-07-25&tree=all

Comment 22

[Intermittent Failures Robot]

16 failures in 3131 pushes (0.005 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 12
• autoland: 4

Platform and build breakdown:

• linux1804-64-ccov: 2
  • opt: 2
• linux1804-64-asan-qr: 1
  • opt: 1
• linux1804-64-ccov-qr: 10
  • opt: 10
• linux1804-64-shippable-qr: 1
  • opt: 1
• linux1804-64-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-07-26&endday=2021-08-01&tree=all

Comment 23

[Intermittent Failures Robot]

20 failures in 2829 pushes (0.007 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 16
• mozilla-esr91: 1
• autoland: 3

Platform and build breakdown:

• linux1804-64-ccov-qr: 15
  • opt: 15
• linux1804-64: 1
  • debug: 1
• linux1804-64-asan-qr: 4
  • opt: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-02&endday=2021-08-08&tree=all

Comment 24

[Intermittent Failures Robot]

18 failures in 3025 pushes (0.006 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 16
• autoland: 2

Platform and build breakdown:

• linux1804-64-ccov-qr: 16
  • opt: 16
• linux1804-64-asan-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-09&endday=2021-08-15&tree=all

Comment 25

[Intermittent Failures Robot]

15 failures in 551 pushes (0.027 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 15

Platform and build breakdown:

• linux1804-64-asan-qr: 1
  • opt: 1
• linux1804-64-qr: 12
  • opt: 12
• linux1804-64-shippable-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-20&endday=2021-08-20&tree=all

Comment 26

[Alexandru Michis [:malexandru]]

There have been 35 total failures in the last 7 days (recent failure log).
Affected platforms are:

• linux1804-64-shippable-qr
• linux1804-64-qr opt
• linux1804-64-ccov-qr

Comment 27

[Intermittent Failures Robot]

41 failures in 2899 pushes (0.014 failures/push) were associated with this bug in the last 7 days.

This is the #22 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: 10
• mozilla-esr91: 1
• autoland: 29
• try: 1

Platform and build breakdown:

• linux1804-64-ccov-qr: 8
  • opt: 8
• linux1804-64-asan-qr: 4
  • opt: 4
• linux1804-64-qr: 21
  • opt: 21
• linux1804-64-shippable-qr: 7
  • opt: 7
• linux1804-64-devedition-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-16&endday=2021-08-22&tree=all

Comment 28

[Intermittent Failures Robot]

15 failures in 518 pushes (0.029 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 13
• mozilla-central: 2

Platform and build breakdown:

• linux1804-64-qr: 10
  • opt: 10
• linux1804-64-shippable-qr: 5
  • opt: 5

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-23&endday=2021-08-23&tree=all

Comment 29

[Intermittent Failures Robot]

22 failures in 679 pushes (0.032 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 20
• mozilla-central: 2

Platform and build breakdown:

• linux1804-64-qr: 15
  • opt: 15
• linux1804-64-shippable-qr: 7
  • opt: 7

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-24&endday=2021-08-24&tree=all

Comment 30

[Neil Deakin]

Attachment: Bug 1694941, wait for sound to start playing before treating a sound-playing tab as ready, r=mconley

Comment 31

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/d3801075f8d6
wait for sound to start playing before treating a sound-playing tab as ready, r=mconley

Comment 32

[Intermittent Failures Robot]

20 failures in 491 pushes (0.041 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 19
• mozilla-central: 1

Platform and build breakdown:

• linux1804-64-qr: 17
  • opt: 17
• linux1804-64-shippable-qr: 3
  • opt: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-26&endday=2021-08-26&tree=all

Comment 33

[Cristina Cozmuta (:CrissCozmuta)]

https://hg.mozilla.org/mozilla-central/rev/d3801075f8d6

Comment 34

[Intermittent Failures Robot]

69 failures in 2580 pushes (0.027 failures/push) were associated with this bug in the last 7 days.

This is the #7 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: 62
• mozilla-central: 7

Platform and build breakdown:

• linux1804-64-qr: 50
  • opt: 50
• linux1804-64-shippable-qr: 19
  • opt: 19

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-23&endday=2021-08-29&tree=all

Comment 35

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/releases/mozilla-esr91/rev/332e07f2c0b3

Comment 36

[Intermittent Failures Robot]

2 failures in 3084 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-beta: 1
• mozilla-release: 1

Platform and build breakdown:

• linux1804-64-asan-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-08-30&endday=2021-09-05&tree=all

Comment 37

[Intermittent Failures Robot]

1 failures in 3375 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-release: 1

Platform and build breakdown:

• linux1804-64-asan-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1694941&startday=2021-09-13&endday=2021-09-19&tree=all