1677834 - Perma fission layout/base/tests/test_bug851485.html | Reloading keeps scroll position - got 4904, expected 500

Status: RESOLVED FIXED

(Core :: Layout, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: btara [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=322081708&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MyZKahm_Qou_vW8z-YiGPA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2020-11-17T19:40:15.142Z] 19:40:15     INFO - TEST-START | layout/base/tests/test_bug851485.html
[task 2020-11-17T19:40:15.876Z] 19:40:15     INFO - GECKO(6007) | MEMORY STAT | vsize 20974626MB | residentFast 787MB
[task 2020-11-17T19:40:15.932Z] 19:40:15     INFO - TEST-OK | layout/base/tests/test_bug851485.html | took 785ms
[task 2020-11-17T19:40:16.438Z] 19:40:16     INFO - TEST-INFO | started process screentopng
[task 2020-11-17T19:40:16.656Z] 19:40:16     INFO - TEST-INFO | screentopng: exit 0
[task 2020-11-17T19:40:16.656Z] 19:40:16     INFO - TEST-UNEXPECTED-FAIL | layout/base/tests/test_bug851485.html | Reloading keeps scroll position - got 4904, expected 500
[task 2020-11-17T19:40:16.656Z] 19:40:16     INFO -     SimpleTest.is@SimpleTest/SimpleTest.js:500:14
[task 2020-11-17T19:40:16.656Z] 19:40:16     INFO -     verifyAfterLoad@layout/base/tests/test_bug851485.html:34:7
[task 2020-11-17T19:40:16.656Z] 19:40:16     INFO -     onload@layout/base/tests/test_bug851485.html:1:1
[task 2020-11-17T19:40:16.656Z] 19:40:16     INFO - TEST-PASS | layout/base/tests/test_bug851485.html | Scrolling after load works. 
[task 2020-11-17T19:40:16.657Z] 19:40:16    ERROR - TEST-UNEXPECTED-FAIL | SimpleTest | this test already called finish!
[task 2020-11-17T19:40:16.658Z] 19:40:16     INFO - TEST-UNEXPECTED-ERROR | layout/base/tests/test_bug851485.html | called finish() multiple times
[task 2020-11-17T19:40:16.658Z] 19:40:16     INFO - TEST-INFO 
[task 2020-11-17T19:40:17.965Z] 19:40:17     INFO - TEST-START | layout/base/tests/test_bug858459.html```

Comment 1

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

Set release status flags based on info from the regressing bug 1677689

Comment 2

[Intermittent Failures Robot]

21 failures in 888 pushes (0.024 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 7
• mozilla-central: 14

Platform breakdown:

• linux1804-64-qr: 9
• windows10-64-shippable-qr: 3
• windows10-64-shippable: 3
• linux1804-64-shippable: 5
• linux1804-64-shippable-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677834&startday=2020-11-18&endday=2020-11-18&tree=all

Comment 3

[Intermittent Failures Robot]

16 failures in 873 pushes (0.018 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 4
• mozilla-central: 11
• try: 1

Platform breakdown:

• linux1804-64-qr: 7
• linux1804-64-shippable: 5
• linux1804-64-shippable-qr: 2
• windows10-64-shippable: 1
• windows10-64-shippable-qr: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677834&startday=2020-11-19&endday=2020-11-19&tree=all

Comment 4

[Intermittent Failures Robot]

17 failures in 1013 pushes (0.017 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 6
• mozilla-central: 11

Platform breakdown:

• linux1804-64-qr: 8
• linux1804-64-shippable: 6
• windows10-64-shippable-qr: 1
• linux1804-64-shippable-qr: 1
• windows10-64-shippable: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677834&startday=2020-11-20&endday=2020-11-20&tree=all

Comment 5

[Andreea Pavel [:apavel]]

This is perma-failing on tier1 fission https://treeherder.mozilla.org/jobs?repo=mozilla-central&group_state=expanded&selectedTaskRun=NJe9EMJRSH6XWHo_Pmj88w.0&resultStatus=success%2Ctestfailed%2Cbusted%2Cexception&revision=8d8561344299516728989604a0c7a14d2bff91e7&searchStr=linux%2C18.04%2Cx64%2Cwebrender%2Cdebug%2Cmochitests%2Cwith%2Cfission%2Cenabled%2Ctest-linux1804-64-qr%2Fdebug-mochitest-plain-fis-e10s%2C10

Comment 6

[Razvan Maries]

Fixed by: https://hg.mozilla.org/integration/autoland/rev/d2e6c62eab289c801aad0dd7e20e22231904683a

Comment 7

[Intermittent Failures Robot]

76 failures in 4810 pushes (0.016 failures/push) were associated with this bug in the last 7 days.

This is the #10 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: 29
• mozilla-central: 45
• try: 2

Platform breakdown:

• linux1804-64-asan: 10
• linux1804-64-shippable: 17
• linux1804-64-shippable-qr: 5
• windows10-64-shippable-qr: 6
• linux1804-64-qr: 33
• windows10-64-shippable: 5

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1677834&startday=2020-11-16&endday=2020-11-22&tree=all

Comment 8

[Neha Kochar [:neha]]

The failures in the last report are all with Fission. This test is getting fixed and re-enabled for Fission in Bug 1677689.