1697994 - Intermittent browser/components/sessionstore/test/browser_scrollPositionsReaderMode.js | scroll is fine - Got "{\"scroll\":\"0,1180\"}", expected "{\"scroll\":\"0,590\"}"

Status: RESOLVED INCOMPLETE

(Core :: DOM: Core & HTML, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: ncsoregi [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=332940697&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XyOEYhZwRq2CzJhjzXnpng/runs/0/artifacts/public/logs/live_backing.log
Reftest URL: https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XyOEYhZwRq2CzJhjzXnpng/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---

[task 2021-03-12T02:27:28.697Z] 02:27:28     INFO - TEST-INFO | screencapture: exit 0
[task 2021-03-12T02:27:28.698Z] 02:27:28     INFO - Buffered messages logged at 02:27:26
[task 2021-03-12T02:27:28.698Z] 02:27:28     INFO - Entering test bound test_scroll_background_about_reader_tabs
[task 2021-03-12T02:27:28.700Z] 02:27:28     INFO - Console message: [JavaScript Error: "1615516046846	Toolkit.Telemetry	ERROR	ClientID::updateClientID - invalid client ID: null" {file: "resource://gre/modules/Log.jsm" line: 723}]
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - append@resource://gre/modules/Log.jsm:723:12
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - log@resource://gre/modules/Log.jsm:379:16
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - getLoggerWithMessagePrefix/proxy.log@resource://gre/modules/Log.jsm:508:18
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - error@resource://gre/modules/Log.jsm:387:10
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - updateClientID@resource://gre/modules/ClientID.jsm:479:17
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - _doLoadClientIDs@resource://gre/modules/ClientID.jsm:250:33
[task 2021-03-12T02:27:28.701Z] 02:27:28     INFO - 
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - Buffered messages logged at 02:27:27
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - Console message: [JavaScript Error: "Not a string"]
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - Console message: [JavaScript Error: "Not a string"]
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - Buffered messages finished
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - TEST-UNEXPECTED-FAIL | browser/components/sessionstore/test/browser_scrollPositionsReaderMode.js | scroll is fine - Got "{\"scroll\":\"0,1180\"}", expected "{\"scroll\":\"0,590\"}"
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - Stack trace:
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - chrome://mochikit/content/browser-test.js:test_is:1359
[task 2021-03-12T02:27:28.702Z] 02:27:28     INFO - chrome://mochitests/content/browser/browser/components/sessionstore/test/head.js:checkScroll:623```

Comment 1

[Intermittent Failures Robot]

3 failures in 4622 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 3

Platform and build breakdown:

• macosx1014-64-qr: 3
  • debug: 1
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1697994&startday=2021-03-08&endday=2021-03-14&tree=all

Comment 2

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

Set release status flags based on info from the regressing bug 1697253

Comment 3

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

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup
For more information, please visit auto_nag documentation.