1632589 - Intermittent layout/base/tests/test_zoom_restore_bfcache.html | Should preserve zoom when restored - got 1, expected 2

Status: RESOLVED FIXED

(Core :: Layout, defect, P2)

Description

[Treeherder Bug Filer]

Filed by: nbeleuzu [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=299053278&repo=autoland
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/fZ4kxQWHR0qmLhB7Hezydg/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/fZ4kxQWHR0qmLhB7Hezydg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---

[task 2020-04-23T17:48:42.573Z] 17:48:42 INFO - TEST-PASS | layout/base/tests/test_zoom_restore_bfcache.html | Should've gone into the bfcache after the back navigation
[task 2020-04-23T17:48:42.573Z] 17:48:42 INFO - Buffered messages finished
[task 2020-04-23T17:48:42.573Z] 17:48:42 INFO - TEST-UNEXPECTED-FAIL | layout/base/tests/test_zoom_restore_bfcache.html | Should preserve zoom when restored - got 1, expected 2
[task 2020-04-23T17:48:42.573Z] 17:48:42 INFO - SimpleTest.is@SimpleTest/SimpleTest.js:383:14
[task 2020-04-23T17:48:42.573Z] 17:48:42 INFO - handlePageShow/</<@layout/base/tests/test_zoom_restore_bfcache.html:33:9
[task 2020-04-23T17:48:42.574Z] 17:48:42 INFO - FrameRequestCallbackhandlePageShow/<@layout/base/tests/test_zoom_restore_bfcache.html:32:51
[task 2020-04-23T17:48:42.574Z] 17:48:42 INFO - FrameRequestCallbackhandlePageShow@layout/base/tests/test_zoom_restore_bfcache.html:32:14
[task 2020-04-23T17:48:42.574Z] 17:48:42 INFO - @layout/base/tests/file_zoom_restore_bfcache.html:4:19
[task 2020-04-23T17:48:42.574Z] 17:48:42 INFO - EventListener.handleEvent*@layout/base/tests/file_zoom_restore_bfcache.html:3:10
[task 2020-04-23T17:48:42.574Z] 17:48:42 INFO - TEST-FAIL | layout/base/tests/test_zoom_restore_bfcache.html | Should preserve zoom on frames too - got 1, expected 2

Comment 1

[Narcis Beleuzu [:NarcisB]]

:emilio , started as a TV failure on https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedJob=299053278&resultStatus=testfailed%2Cbusted%2Cexception%2Crunnable&revision=5db725324c27092f4a913c6f6083de446aa48c8d

Comment 2

[Intermittent Failures Robot]

64 failures in 999 pushes (0.064 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 53
• mozilla-central: 11

Platform breakdown:

• windows7-32-shippable: 11
• windows7-32: 4
• linux1804-64-shippable: 4
• windows10-64: 4
• windows10-64-qr: 12
• linux1804-64-shippable-qr: 2
• macosx1014-64-shippable: 8
• windows10-64-shippable: 8
• windows10-64-shippable-qr: 7
• linux1804-64-qr: 2
• linux1804-64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632589&startday=2020-04-23&endday=2020-04-23&tree=all

Comment 3

[Intermittent Failures Robot]

208 failures in 1125 pushes (0.185 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:

• autoland: 108
• mozilla-central: 70
• try: 30

Platform breakdown:

• windows10-64-qr: 46
• windows7-32: 12
• linux1804-64: 11
• windows10-64: 23
• windows10-64-shippable-qr: 23
• windows10-64-shippable: 19
• windows7-32-shippable: 25
• macosx1014-64-shippable: 20
• linux1804-64-shippable-qr: 9
• linux1804-64-asan: 3
• linux1804-64-qr: 4
• macosx1014-64-devedition: 1
• windows10-64-devedition: 1
• windows7-32-devedition: 2
• linux1804-64-devedition: 1
• linux1804-64-shippable: 8

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632589&startday=2020-04-24&endday=2020-04-24&tree=all

Comment 4

[Stefan Hindli [:stefan_hindli]]

Attachment: Bug 1632589 - disabled test test_zoom_restore_bfcache.html on multiple platforms r?#intermittent-reviewers

Comment 5

[Stefan Hindli [:stefan_hindli]]

:emilio please re-enable the tests when you submit a fix for this. Thanks!

Comment 6

[Stefan Hindli [:stefan_hindli]]

Attachment: Bug 1632589 - Disabled test_zoom_restore_bfcache.html on linux x64, macos and windows r=emilio

Comment 7

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/9945d9888b00
Disabled test_zoom_restore_bfcache.html on linux x64, macos and windows r=jmaher,emilio

Comment 8

[Natalia Csoregi [:nataliaCs]]

https://hg.mozilla.org/mozilla-central/rev/9945d9888b00

Comment 9

[Intermittent Failures Robot]

51 failures in 230 pushes (0.222 failures/push) were associated with this bug yesterday.

Repository breakdown:

• autoland: 27
• mozilla-central: 9
• try: 15

Platform breakdown:

• macosx1014-64-shippable: 6
• windows10-64-shippable-qr: 12
• windows7-32-shippable: 7
• windows10-64-shippable: 6
• linux1804-64-asan: 1
• linux1804-64-shippable-qr: 2
• windows7-32: 2
• windows10-64-qr: 1
• linux1804-64: 3
• windows10-64: 2
• linux1804-64-shippable: 4
• windows10-64-devedition: 2
• windows7-32-devedition: 2
• macosx1014-64-devedition: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632589&startday=2020-04-25&endday=2020-04-25&tree=all

Comment 10

[Intermittent Failures Robot]

328 failures in 5582 pushes (0.059 failures/push) were associated with this bug in the last 7 days.

This is the #1 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: 191
• mozilla-central: 90
• try: 47

Platform breakdown:

• windows7-32-shippable: 43
• windows7-32: 19
• linux1804-64-shippable: 16
• windows10-64: 29
• windows10-64-qr: 59
• linux1804-64-shippable-qr: 13
• macosx1014-64-shippable: 34
• windows10-64-shippable: 33
• windows10-64-shippable-qr: 45
• linux1804-64-qr: 6
• linux1804-64: 17
• linux1804-64-asan: 4
• macosx1014-64-devedition: 2
• windows10-64-devedition: 3
• windows7-32-devedition: 4
• linux1804-64-devedition: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1632589&startday=2020-04-20&endday=2020-04-26&tree=all

Comment 11

[Emilio Cobos Álvarez (:emilio)]

Attachment: Bug 1632589 - Don't wait to check dpi.

It's meant to double-check we're stable and so on, but sometimes the
browser UI decides to override the zoom with the default zoom which
would break the assertion.

I'll look into that separately.

Comment 12

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/87159948ea7a
Don't wait to check dpi.

Comment 13

[Stefan Hindli [:stefan_hindli]]

https://hg.mozilla.org/mozilla-central/rev/87159948ea7a

Comment 14

[Sean Voisen (:svoisen)]

Closing the leave-open.