1782940 - Almost perma /preload/preconnect.html | Test that preconnect reduces connection time to zero - assert_equals: expected 3213 but got 3212

Status: RESOLVED FIXED

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

Description

[Treeherder Bug Filer]

Filed by: abutkovits [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=386247170&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/KXQCYofbQqKNks8eap-k-w/runs/0/artifacts/public/logs/live_backing.log

---

[task 2022-08-03T10:43:46.007Z] 10:43:46     INFO - TEST-START | /preload/preconnect.html
[task 2022-08-03T10:43:46.008Z] 10:43:46     INFO - Setting pref network.http.rcwn.enabled to true
[task 2022-08-03T10:43:46.036Z] 10:43:46     INFO - Setting pref network.http.rcwn.enabled to false
[task 2022-08-03T10:43:46.047Z] 10:43:46     INFO - Setting pref network.proxy.type to 2
[task 2022-08-03T10:43:46.059Z] 10:43:46     INFO - Setting pref network.proxy.autoconfig_url to 'http://web-platform.test:8000/common/proxy-all.sub.pac'
[task 2022-08-03T10:43:46.091Z] 10:43:46     INFO - Closing window ca2ae573-ad03-4eae-a670-557a48852921
[task 2022-08-03T10:43:46.116Z] 10:43:46     INFO - PID 4860 | [Child 5071, Main Thread] WARNING: '!CanHandleWith(aPresContext)', file /builds/worker/checkouts/gecko/dom/events/IMEStateManager.cpp:498
[task 2022-08-03T10:43:46.204Z] 10:43:46     INFO - PID 4860 | [Child 5071, Main Thread] WARNING: '!CanHandleWith(aPresContext)', file /builds/worker/checkouts/gecko/dom/events/IMEStateManager.cpp:498
[task 2022-08-03T10:43:49.642Z] 10:43:49     INFO - 
[task 2022-08-03T10:43:49.642Z] 10:43:49     INFO - TEST-UNEXPECTED-FAIL | /preload/preconnect.html | Test that preconnect reduces connection time to zero - assert_equals: expected 3213 but got 3212
[task 2022-08-03T10:43:49.642Z] 10:43:49     INFO - @http://web-platform.test:8000/preload/preconnect.html:33:22
[task 2022-08-03T10:43:49.643Z] 10:43:49     INFO - TEST-OK | /preload/preconnect.html | took 3636ms

Comment 1

[Norisz Fay [:noriszfay]]

Hello James, could you take a look at this failure? It seems to be almost perma failing (see here) and it's caused by the recent wpt sync Bug 1782678. Thank you!

Comment 2

[James Graham [:jgraham]]

Attachment: Bug 1782940 - Mark preconnect test as intermittent everywhere,

Comment 3

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

Set release status flags based on info from the regressing bug 1782678

Comment 4

[Intermittent Failures Robot]

20 failures in 699 pushes (0.029 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 19
• mozilla-central: 1

Platform and build breakdown:

• linux1804-64-qr: 11
  • debug: 11
• windows10-32-2004-qr: 9
  • debug: 9

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1782940&startday=2022-08-03&endday=2022-08-03&tree=all

Comment 5

[Natalia Csoregi [:nataliaCs]]

Update:

There have been 30 failures since the bug was created:

• 18 failures on Linux 18.04 x64 WebRender debug
• 12 failures on Windows 10 x86 2004 WebRender debug

Recent failure log: https://treeherder.mozilla.org/logviewer?job_id=386548249&repo=autoland&lineNumber=4508

Comment 6

[Intermittent Failures Robot]

32 failures in 3057 pushes (0.01 failures/push) were associated with this bug in the last 7 days.

This is the #41 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: 25
• mozilla-central: 5
• try: 2

Platform and build breakdown:

• linux1804-64-qr: 20
  • debug: 20
• windows10-32-2004-qr: 12
  • debug: 12

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1782940&startday=2022-08-01&endday=2022-08-07&tree=all

Comment 7

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/0da025344257
Mark preconnect test as intermittent everywhere r=aryx,jgraham

Comment 8

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/0da025344257

Comment 9

[Intermittent Failures Robot]

24 failures in 3339 pushes (0.007 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 8
• autoland: 14
• try: 2

Platform and build breakdown:

• linux1804-64-qr: 24
  • debug: 24

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1782940&startday=2022-08-08&endday=2022-08-14&tree=all