1782636 - Intermittent browser/base/content/test/general/browser_restore_isAppTab.js | single tracking bug

Status: RESOLVED INCOMPLETE

(Firefox :: Tabbed Browser, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: apavel [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=386061895&repo=mozilla-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/RwxDcGLwQO2f-MaFhkLSkQ/runs/1/artifacts/public/logs/live_backing.log

---

[task 2022-08-02T00:09:32.934Z] 00:09:32     INFO - TEST-START | browser/base/content/test/general/browser_restore_isAppTab.js
[task 2022-08-02T00:09:32.968Z] 00:09:32     INFO - GECKO(1636) | Waiting for browser load
[task 2022-08-02T00:09:32.969Z] 00:09:32     INFO - GECKO(1636) | Waiting for browser state change
[task 2022-08-02T00:09:32.991Z] 00:09:32     INFO - GECKO(1636) | Saw state 110001 and status 0
[task 2022-08-02T00:09:33.032Z] 00:09:33     INFO - GECKO(1636) | Saw state c0010 and status 0
[task 2022-08-02T00:09:33.032Z] 00:09:33     INFO - GECKO(1636) | Browser got expected state change about:robots
[task 2022-08-02T00:09:33.044Z] 00:09:33     INFO - GECKO(1636) | Waiting for browser load
[task 2022-08-02T00:09:33.045Z] 00:09:33     INFO - GECKO(1636) | Waiting for browser state change
[task 2022-08-02T00:09:33.052Z] 00:09:33     INFO - GECKO(1636) | JavaScript error: resource:///modules/AsyncTabSwitcher.jsm, line 378: TypeError: can't access property "schemeIs", requestedBrowser.currentURI is null
[task 2022-08-02T00:09:33.187Z] 00:09:33     INFO - GECKO(1636) | Saw state c0010 and status 0
[task 2022-08-02T00:09:33.188Z] 00:09:33     INFO - GECKO(1636) | Browser got expected state change http://example.com/browser/browser/base/content/test/general/dummy_page.html
[task 2022-08-02T00:09:33.203Z] 00:09:33     INFO - GECKO(1636) | Waiting for browser load
[task 2022-08-02T00:09:33.203Z] 00:09:33     INFO - GECKO(1636) | Waiting for browser state change
[task 2022-08-02T00:09:33.204Z] 00:09:33     INFO - GECKO(1636) | Saw state f0001 and status 0
[task 2022-08-02T00:09:33.263Z] 00:09:33     INFO - GECKO(1636) | Saw state c0010 and status 0
[task 2022-08-02T00:09:33.263Z] 00:09:33     INFO - GECKO(1636) | Browser got expected state change about:robots
[task 2022-08-02T00:09:33.366Z] 00:09:33     INFO - GECKO(1636) | Waiting for browser load
[task 2022-08-02T00:09:33.367Z] 00:09:33     INFO - GECKO(1636) | Waiting for browser state change
[task 2022-08-02T00:09:33.432Z] 00:09:33     INFO - GECKO(1636) | Saw state f0001 and status 0
[task 2022-08-02T00:09:33.618Z] 00:09:33     INFO - GECKO(1636) | Saw state c0010 and status 0
[task 2022-08-02T00:09:33.619Z] 00:09:33     INFO - GECKO(1636) | Browser got expected state change http://example.com/browser/browser/base/content/test/general/dummy_page.html
[task 2022-08-02T00:09:33.681Z] 00:09:33     INFO - GECKO(1636) | Et tu, Brute?
[task 2022-08-02T00:09:34.156Z] 00:09:34     INFO - GECKO(1636) | Crash cleaned up
[task 2022-08-02T00:09:34.194Z] 00:09:34     INFO - GECKO(1636) | about:tabcrashed loaded and ready
[task 2022-08-02T00:09:39.773Z] 00:09:39     INFO - TEST-INFO | started process screentopng
[task 2022-08-02T00:09:40.051Z] 00:09:40     INFO - TEST-INFO | screentopng: exit 0
[task 2022-08-02T00:09:40.054Z] 00:09:40     INFO - Buffered messages logged at 00:09:32
[task 2022-08-02T00:09:40.054Z] 00:09:40     INFO - Entering test bound navigate
[task 2022-08-02T00:09:40.054Z] 00:09:40     INFO - Buffered messages logged at 00:09:33
[task 2022-08-02T00:09:40.054Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell shouldn't think it is an app tab - 
[task 2022-08-02T00:09:40.059Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell should think it is an app tab - 
[task 2022-08-02T00:09:40.060Z] 00:09:40     INFO - Console message: [JavaScript Error: "TypeError: can't access property "schemeIs", requestedBrowser.currentURI is null" {file: "resource:///modules/AsyncTabSwitcher.jsm" line: 378}]
[task 2022-08-02T00:09:40.060Z] 00:09:40     INFO - updateDisplay@resource:///modules/AsyncTabSwitcher.jsm:378:26
[task 2022-08-02T00:09:40.061Z] 00:09:40     INFO - postActions@resource:///modules/AsyncTabSwitcher.jsm:673:10
[task 2022-08-02T00:09:40.061Z] 00:09:40     INFO - handleEvent@resource:///modules/AsyncTabSwitcher.jsm:1127:12
[task 2022-08-02T00:09:40.061Z] 00:09:40     INFO - 
[task 2022-08-02T00:09:40.062Z] 00:09:40     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "http://example.com/browser/browser/base/content/test/general/dummy_page.html" line: 0}]
[task 2022-08-02T00:09:40.062Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell should think it is an app tab - 
[task 2022-08-02T00:09:40.064Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell shouldn't think it is an app tab - 
[task 2022-08-02T00:09:40.065Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell should think it is an app tab - 
[task 2022-08-02T00:09:40.066Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell should think it is an app tab - 
[task 2022-08-02T00:09:40.066Z] 00:09:40     INFO - Leaving test bound navigate
[task 2022-08-02T00:09:40.067Z] 00:09:40     INFO - Entering test bound crash
[task 2022-08-02T00:09:40.069Z] 00:09:40     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "http://example.com/browser/browser/base/content/test/general/dummy_page.html" line: 0}]
[task 2022-08-02T00:09:40.071Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell shouldn't think it is an app tab - 
[task 2022-08-02T00:09:40.072Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell should think it is an app tab - 
[task 2022-08-02T00:09:40.073Z] 00:09:40     INFO - Buffered messages logged at 00:09:34
[task 2022-08-02T00:09:40.074Z] 00:09:40     INFO - Console message: [JavaScript Error: "remote browser crashed while on http://example.com/browser/browser/base/content/test/general/dummy_page.html
[task 2022-08-02T00:09:40.074Z] 00:09:40     INFO - " {file: "chrome://mochikit/content/mochitest-e10s-utils.js" line: 10}]
[task 2022-08-02T00:09:40.075Z] 00:09:40     INFO - e10s_init/<@chrome://mochikit/content/mochitest-e10s-utils.js:10:10
[task 2022-08-02T00:09:40.076Z] 00:09:40     INFO - 
[task 2022-08-02T00:09:40.077Z] 00:09:40     INFO - Wait tab event: load
[task 2022-08-02T00:09:40.081Z] 00:09:40     INFO - Tab event received: load
[task 2022-08-02T00:09:40.082Z] 00:09:40     INFO - Console message: [JavaScript Warning: "This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”." {file: "http://example.com/browser/browser/base/content/test/general/dummy_page.html" line: 0}]
[task 2022-08-02T00:09:40.083Z] 00:09:40     INFO - TEST-PASS | browser/base/content/test/general/browser_restore_isAppTab.js | Docshell should think it is an app tab - 
[task 2022-08-02T00:09:40.083Z] 00:09:40     INFO - Leaving test bound crash
[task 2022-08-02T00:09:40.084Z] 00:09:40     INFO - Buffered messages finished
[task 2022-08-02T00:09:40.084Z] 00:09:40     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_restore_isAppTab.js | waiting for vsync to be disabled - timed out after 50 tries. - false == true - JS frame :: chrome://mochikit/content/browser-test.js :: ensureVsyncDisabled :: line 575
[task 2022-08-02T00:09:40.085Z] 00:09:40     INFO - Stack trace:
[task 2022-08-02T00:09:40.085Z] 00:09:40     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:575
[task 2022-08-02T00:09:40.086Z] 00:09:40     INFO - Not taking screenshot here: see the one that was previously logged
[task 2022-08-02T00:09:40.087Z] 00:09:40     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/general/browser_restore_isAppTab.js | vsync remained enabled at the end of the test. Is there an animation still running? Consider talking to the performance team for tips to solve this. - false == true - JS frame :: chrome://mochikit/content/browser-test.js :: ensureVsyncDisabled :: line 576
[task 2022-08-02T00:09:40.087Z] 00:09:40     INFO - Stack trace:
[task 2022-08-02T00:09:40.087Z] 00:09:40     INFO - chrome://mochikit/content/browser-test.js:ensureVsyncDisabled:576
[task 2022-08-02T00:09:40.088Z] 00:09:40     INFO - GECKO(1636) | MEMORY STAT | vsize 29018MB | residentFast 714MB | heapAllocated 498MB
[task 2022-08-02T00:09:40.088Z] 00:09:40     INFO - TEST-OK | browser/base/content/test/general/browser_restore_isAppTab.js | took 6847ms
[task 2022-08-02T00:09:40.088Z] 00:09:40     INFO - checking window state

Comment 1

[BugBot [:suhaib / :marco]]

The Bugbug bot thinks this bug should belong to the 'Firefox::Tabbed Browser' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[Natalia Csoregi [:nataliaCs]]

Update:

There have been 32 failures since the bug was created:

• 12 failures on Windows 10 x64 2004 WebRender debug
• 1 failure on Windows 10 x64 2004 CCov WebRender opt
• 7 failures on Windows 10 x86 2004 WebRender debug
• 4 failures on OS X 10.15 WebRender debug/opt
• 3 failures on Linux 18.04 x64 WebRender Shippable opt
• 5 failures on Linux 18.04 x64 WebRender opt

Recent failure log: https://treeherder.mozilla.org/logviewer?job_id=386321388&repo=mozilla-central&lineNumber=14131

Last occurrence was on the 3rd of August - probably fixed since, by the landing of these patches

Comment 3

[Intermittent Failures Robot]

33 failures in 3057 pushes (0.011 failures/push) were associated with this bug in the last 7 days.

This is the #37 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
• autoland: 22
• try: 1

Platform and build breakdown:

• linux1804-64-shippable-qr: 3
  • opt: 3
• linux1804-64-qr: 6
  • opt: 6
• macosx1015-64-qr: 4
  • debug: 2
  • opt: 2
• windows10-64-2004-qr: 12
  • debug: 12
• windows10-32-2004-qr: 7
  • debug: 7
• windows10-64-2004-ccov-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1782636&startday=2022-08-01&endday=2022-08-07&tree=all

Comment 4

[Intermittent Failures Robot]

1 failures in 3023 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 1

Platform and build breakdown:

• macosx1015-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1782636&startday=2022-09-12&endday=2022-09-18&tree=all

Comment 5

[Intermittent Failures Robot]

4 failures in 3510 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• autoland: 4

Platform and build breakdown:

• windows10-32-2004-qr: 2
  • debug: 2
• windows10-64-2004-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1782636&startday=2022-12-05&endday=2022-12-11&tree=all

Comment 6

[BugBot [:suhaib / :marco]]

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