1772026 - High freq browser/base/content/test/performance/browser_vsync_accessibility.js | Uncaught exception in test - wait for vsync to be disabled after initializing the accessibility service - timed out after 50 tries.

Status: RESOLVED FIXED

(Firefox :: General, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: smolnar [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=379823797&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/JPqQw4uyS8-_YrGT4Qiyhw/runs/0/artifacts/public/logs/live_backing.log

---

INFO - TEST-PASS | browser/base/content/test/performance/browser_vsync_accessibility.js | vsync should be disabled - true == true - 
[task 2022-05-31T23:29:32.377Z] 23:29:32     INFO - Buffered messages finished
[task 2022-05-31T23:29:32.378Z] 23:29:32     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_vsync_accessibility.js | Uncaught exception in test - wait for vsync to be disabled after initializing the accessibility service - timed out after 50 tries.
[task 2022-05-31T23:29:32.378Z] 23:29:32     INFO - Leaving test bound 
[task 2022-05-31T23:29:32.379Z] 23:29:32     INFO - GECKO(1632) | MEMORY STAT | vsize 3738MB | residentFast 827MB | heapAllocated 528MB
[task 2022-05-31T23:29:32.380Z] 23:29:32     INFO - TEST-OK | browser/base/content/test/performance/browser_vsync_accessibility.js | took 5678ms

Comment 1

[Sandor Molnar[:smolnar]]

@Eitan, could you look at this failure?
Retriggers and backfills indicate bug 1772019 is the culprit

Comment 2

[Intermittent Failures Robot]

96 failures in 687 pushes (0.14 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 74
• mozilla-central: 19
• try: 3

Platform and build breakdown:

• windows10-64-2004-qr: 33
  • debug: 29
  • opt: 4
• linux1804-64-qr: 46
  • opt: 20
  • debug: 26
• linux1804-64-tsan-qr: 1
  • opt: 1
• windows10-64-2004-ccov-qr: 3
  • opt: 3
• windows10-64-2004-shippable-qr: 4
  • opt: 4
• linux1804-64-devedition-qr: 1
  • opt: 1
• linux1804-64-asan-qr: 1
  • opt: 1
• linux1804-64-shippable-qr: 5
  • opt: 5
• macosx1015-64-qr: 1
  • opt: 1
• macosx1100-64-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-06-01&endday=2022-06-01&tree=all

Comment 3

[Eitan Isaacson [:eeejay]]

Attachment: Bug 1772026 - Wait for initialized PresShell (unless about:blank) before doc DoInitialUpdate. r?Jamie

This prevents a case where a blank page that never has an
initialized PresShell keeps the refresh observer.

Comment 4

[Intermittent Failures Robot]

95 failures in 558 pushes (0.17 failures/push) were associated with this bug yesterday.

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

Repository breakdown:

• try: 13
• autoland: 74
• mozilla-central: 8

Platform and build breakdown:

• linux1804-64-qr: 58
  • opt: 18
  • debug: 40
• windows10-64-2004-qr: 23
  • debug: 21
  • opt: 2
• windows10-64-2004-shippable-qr: 5
  • opt: 5
• linux1804-64-shippable-qr: 4
  • opt: 4
• windows10-64-2004-ccov-qr: 2
  • opt: 2
• macosx1015-64-shippable-qr: 1
  • opt: 1
• linux1804-64-tsan-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-06-02&endday=2022-06-02&tree=all

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1772019

Comment 6

[Intermittent Failures Robot]

58 failures in 454 pushes (0.128 failures/push) were associated with this bug yesterday.

Repository breakdown:

• try: 15
• autoland: 30
• mozilla-central: 13

Platform and build breakdown:

• linux1804-64-qr: 30
  • opt: 13
  • debug: 17
• windows10-64-2004-qr: 12
  • debug: 10
  • opt: 2
• windows10-64-2004-shippable-qr: 6
  • opt: 6
• linux1804-64-tsan-qr: 1
  • opt: 1
• windows10-64-2004-ccov-qr: 2
  • opt: 2
• macosx1015-64-qr: 1
  • opt: 1
• linux1804-64-devedition-qr: 1
  • opt: 1
• windows10-64-2004-devedition-qr: 1
  • opt: 1
• macosx1015-64-shippable-qr: 1
  • opt: 1
• linux1804-64-shippable-qr: 3
  • opt: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-06-03&endday=2022-06-03&tree=all

Comment 7

[Narcis Beleuzu [:NarcisB]]

Attachment: Bug 1772026 - Disable browser_vsync_accessibility.js on Linux and Windows10 for frequent failures. r?#intermittent-reviewers

Comment 8

[Narcis Beleuzu [:NarcisB]]

There are 245 failures in the last 4 days.
Most of them are on Linux and Windows 10.
I added a patch to disable the test if the fix will take longer.

Comment 9

[Intermittent Failures Robot]

23 failures in 154 pushes (0.149 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 14
• mozilla-central: 6
• try: 3

Platform and build breakdown:

• linux1804-64-qr: 9
  • debug: 7
  • opt: 2
• windows10-64-2004-qr: 9
  • opt: 1
  • debug: 8
• windows10-64-2004-ccov-qr: 1
  • opt: 1
• macosx1100-64-shippable-qr: 1
  • opt: 1
• linux1804-64-shippable-qr: 1
  • opt: 1
• windows10-64-2004-devedition-qr: 1
  • opt: 1
• windows10-64-2004-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-06-04&endday=2022-06-04&tree=all

Comment 10

[Intermittent Failures Robot]

302 failures in 2917 pushes (0.104 failures/push) were associated with this bug in the last 7 days.

This is the #2 most frequent failure this week.

** This failure happened more than 75 times this week! Resolving this bug is a very high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 1 week, the affected test(s) may be disabled. **

Repository breakdown:

• autoland: 216
• mozilla-central: 52
• try: 34

Platform and build breakdown:

• linux1804-64-qr: 156
  • debug: 100
  • opt: 56
• windows10-64-2004-qr: 89
  • debug: 78
  • opt: 11
• linux1804-64-tsan-qr: 4
  • opt: 4
• windows10-64-2004-ccov-qr: 9
  • opt: 9
• windows10-64-2004-shippable-qr: 18
  • opt: 18
• linux1804-64-devedition-qr: 2
  • opt: 2
• linux1804-64-asan-qr: 1
  • opt: 1
• macosx1015-64-qr: 2
  • opt: 2
• linux1804-64-shippable-qr: 14
  • opt: 14
• macosx1100-64-shippable-qr: 2
  • opt: 2
• macosx1015-64-shippable-qr: 3
  • opt: 3
• windows10-64-2004-devedition-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-05-30&endday=2022-06-05&tree=all

Comment 11

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/17654cbcf058
Disable browser_vsync_accessibility.js on Linux and Windows10 for frequent failures. r=intermittent-reviewers,MasterWayZ DONTBUILD

Comment 12

[Atila Butkovits]

https://hg.mozilla.org/mozilla-central/rev/17654cbcf058

Comment 13

[Intermittent Failures Robot]

52 failures in 569 pushes (0.091 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 34
• mozilla-central: 14
• try: 4

Platform and build breakdown:

• linux1804-64-qr: 20
  • opt: 6
  • debug: 14
• windows10-64-2004-qr: 17
  • debug: 13
  • opt: 4
• windows10-64-2004-ccov-qr: 4
  • opt: 4
• windows10-64-2004-shippable-qr: 5
  • opt: 5
• linux1804-64-shippable-qr: 3
  • opt: 3
• windows10-64-2004-devedition-qr: 1
  • opt: 1
• macosx1015-64-qr: 1
  • opt: 1
• linux1804-64-tsan-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-06-06&endday=2022-06-06&tree=all

Comment 14

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/mozilla-central/rev/b117309d4471
Wait for initialized PresShell (unless about:blank) before doc DoInitialUpdate. r=Jamie

Comment 15

[Norisz Fay [:noriszfay]]

https://hg.mozilla.org/mozilla-central/rev/b117309d4471

Comment 16

[Andreea Pavel [:apavel]]

Attachment: Bug 1772026 - remove disabling condition for browser_vsync_accessibility.js r?#intermittent-reviewers

Comment 17

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/e14212345f50
remove disabling condition for browser_vsync_accessibility.js r=intermittent-reviewers,MasterWayZ

Comment 18

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/e14212345f50

Comment 19

[Intermittent Failures Robot]

55 failures in 3336 pushes (0.016 failures/push) were associated with this bug in the last 7 days.

This is the #16 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: 35
• mozilla-central: 15
• try: 5

Platform and build breakdown:

• linux1804-64-qr: 21
  • opt: 6
  • debug: 15
• windows10-64-2004-qr: 17
  • debug: 13
  • opt: 4
• windows10-64-2004-ccov-qr: 4
  • opt: 4
• windows10-64-2004-shippable-qr: 5
  • opt: 5
• linux1804-64-shippable-qr: 3
  • opt: 3
• windows10-64-2004-devedition-qr: 1
  • opt: 1
• macosx1015-64-qr: 2
  • opt: 2
• linux1804-64-tsan-qr: 1
  • opt: 1
• macosx1015-64-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1772026&startday=2022-06-06&endday=2022-06-12&tree=all