1549872 - Intermittent /css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001p.html | Testing http://*/object-fit-contain-png-001p.html == http://*/mozilla-central-reftests/images3/object-fit-contain-png-001-ref.html

Status: RESOLVED FIXED

(Core :: CSS Parsing and Computation, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: btara [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=245221135&repo=mozilla-central
Full log: https://queue.taskcluster.net/v1/task/FdprbxXjQQiJ4D3R4S8rgg/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://queue.taskcluster.net/v1/task/FdprbxXjQQiJ4D3R4S8rgg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---

22:56:45 INFO - TEST-START | /css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001p.html
22:56:45 INFO - PID 1201 | 1557269805592 Marionette INFO Testing http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001p.html == http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001-ref.html
22:56:45 INFO - PID 1201 | JavaScript error: resource:///modules/sessionstore/SessionStore.jsm, line 2408: TypeError: tabbrowser.getTabForBrowser is not a function
22:56:45 INFO - PID 1201 | ++DOMWINDOW == 13 (0x124724400) [pid = 1205] [serial = 13] [outer = 0x122937020]
22:56:45 INFO - PID 1201 | 1557269805891 Marionette INFO No differences allowed
22:56:45 INFO - PID 1201 | 1557269805891 Marionette INFO Found 10108 pixels different, maximum difference per channel 122
22:56:45 INFO - TEST-UNEXPECTED-FAIL | /css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001p.html | Testing http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001p.html == http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001-ref.html
22:56:45 INFO - REFTEST IMAGE 1 (TEST): data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAJYCAYAAACadoJwAAAgAElEQVR4nO3de5SfdX3g8
22:56:45 INFO - REFTEST IMAGE 2 (REFERENCE): data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAJYCAYAAACadoJwAAAWrklEQVR4
22:56:45 INFO - TEST-INFO took 370ms

Comment 1

[Daniel Holbert [:dholbert]]

This looks like the testcase used a fuzzy scaling algorithm -- i.e. image-rendering: -moz-crisp-edges; was not respected.

EDIT: Of course, this testcase uses the standardized syntax image-rendering:pixelated which we don't currently support (bug 856337).

Comment 2

[Firefox Bug Husbandry Bot]

https://wiki.mozilla.org/Bug_Triage#Intermittent_Test_Failure_Cleanup

Comment 3

[Andreea Pavel [:apavel]]

Recent failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=259292002&repo=mozilla-inbound&lineNumber=8649

Comment 4

[Daniel Holbert [:dholbert]]

Logcat says this for the first test in that log ("o")

INFO	Testing http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001o.html == http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001-ref.html
[...]
INFO	Found 155 pixels different, maximum difference per channel 26

...and this for the second test ("p"):

GeckoViewNavigation[C]: loadURI: uri=http://web-platform.test:8000/css/vendor-imports/mozilla/mozilla-central-reftests/images3/object-fit-contain-png-001p.html where=1 flags=0x1 tp=null
Gecko   : 1564691337041	Marionette	INFO	Found 23 pixels different, maximum difference per channel 26

Comment 5

[Daniel Holbert [:dholbert]]

Attachment: Bug 1549872: Annotate some object-fit-contain-png-* WPT reftests as fuzzy on Android. (no review, test annotation only)

Comment 6

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/0ba2a80e6700
Annotate some object-fit-contain-png-* WPT reftests as fuzzy on Android. (no review, test annotation only)

Comment 7

[Razvan Maries]

https://hg.mozilla.org/mozilla-central/rev/0ba2a80e6700

Comment 9

[Intermittent Failures Robot]

1 failures in 4439 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-inbound: 1

Platform breakdown:

• android-em-7-0-x86_64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1549872&startday=2019-07-29&endday=2019-08-04&tree=all