1129300 - background-size-monster-* reftests began failing on OS X 10.10 last week

Status: RESOLVED INACTIVE

(Core :: Graphics, defect)

Description

[Phil Ringnalda (:philor)]

Sometime between my try push in https://treeherder.mozilla.org/#/jobs?repo=try&revision=4da8158fb81d on January 25th (with that morning's mozilla-central as a parent) and my try push in https://treeherder.mozilla.org/#/jobs?repo=try&revision=74fe47408f2e on the evening of January 27th (with what looks like it was probably mozilla-inbound as a parent), we started completely failing all six of the layout/reftests/backgrounds/background-size-monster-* reftests on both opt and debug OS X 10.10.

Comment 1

[Phil Ringnalda (:philor)]

Curiouser and curiouser, by "all six" I actually meant "only six, -ch, -cm, -ex, -mm, -pt and -rem, while continuing to pass -em, -inches, -pc and -px."

Comment 2

[Phil Ringnalda (:philor)]

Gah, by which I meant "they're all random-if, though there are six which more commonly fail than the others."

Comment 3

[Seth Fowler [:seth] [:s2h]]

No idea what's going on there. Those are the strangest test failures I've seen in quite a while. The test and the reference don't even resemble each other!

Comment 4

[Phil Ringnalda (:philor)]

Annotated as random in https://hg.mozilla.org/integration/mozilla-inbound/rev/f4662c779b67

Comment 5

[Carsten Book [:Tomcat]]

https://hg.mozilla.org/mozilla-central/rev/f4662c779b67

Comment 6

[Benoit Girard (:BenWa)]

To the person that may look at this one day, you should bisect from Jan 25-27 to see why it started failing.

Comment 7

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

The leave-open keyword is there and there is no activity for 6 months.
:davidb, maybe it's time to close this bug?