Bug 217690 - REGRESSION (iOS 14): [ iOS wk2 ] 12 2d.gradient.radial WPT tests are a flaky failure
Summary: REGRESSION (iOS 14): [ iOS wk2 ] 12 2d.gradient.radial WPT tests are a flaky ...
Status: RESOLVED INVALID
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Karl Rackler
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-10-13 18:18 PDT by Karl Rackler
Modified: 2020-10-14 04:54 PDT (History)
2 users (show)

See Also:


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Description Karl Rackler 2020-10-13 18:18:20 PDT
Description:
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.bottom.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.cylinder.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.front.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.shape1.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.top.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.inside1.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.inside2.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.inside3.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.outside1.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.outside2.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.outside3.html
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.touch2.html

I do not see a flaky failure appearing on the dashboard at any point since iOS 14 introduction, but layout test results indicates they are tests failed diff.
All the tests have the same diff log.

I attempted to reproduce with the same spade revision as the layout test results, but could not not.

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.cone.bottom.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.cone.cylinder.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.cone.front.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.cone.shape1.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.cone.top.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.inside1.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.inside2.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.inside3.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.outside1.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.outside2.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.outside3.html&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fcanvas%2Felement%2Ffill-and-stroke-styles%2F2d.gradient.radial.touch2.html&platform=ios&limit=50000



Diff Log:
imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.bottom.html
--- build/OpenSource/layout-test-results/imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.bottom-expected.txt
+++ build/OpenSource/layout-test-results/imported/w3c/web-platform-tests/html/canvas/element/fill-and-stroke-styles/2d.gradient.radial.cone.bottom-actual.txt
@@ -3,5 +3,5 @@
 Expected output:
 
 
-FAIL Canvas test: 2d.gradient.radial.cone.bottom assert_equals: Green channel of the pixel at (98, 25) expected 255 but got 254
+PASS Canvas test: 2d.gradient.radial.cone.bottom
Comment 1 Radar WebKit Bug Importer 2020-10-13 18:18:43 PDT
<rdar://problem/70274719>
Comment 2 Karl Rackler 2020-10-13 18:31:36 PDT
I have marked these tests as skip while this issue is investigated.
https://trac.webkit.org/changeset/268441/webkit
Comment 3 Karl Rackler 2020-10-14 04:51:14 PDT
Reverted r268441 for reason:

This reverts commit r268441 made in error.

Committed r268450: <https://trac.webkit.org/changeset/268450>
Comment 4 Karl Rackler 2020-10-14 04:54:07 PDT
This bug was made in error.  Please disregard.  Closing.