Bug 223206 - [ macOS wk2 ARM64 ] http/tests/local/loading-stylesheet-import-remove.html is a flakey image failure
Summary: [ macOS wk2 ARM64 ] http/tests/local/loading-stylesheet-import-remove.html is...
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Text (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2021-03-15 12:22 PDT by Robert Jenner
Modified: 2021-03-22 17:25 PDT (History)
5 users (show)

See Also:

Attachments
Images from DIFF (80.13 KB, application/zip)
2021-03-15 12:24 PDT, Robert Jenner 		no flags Details
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Description Robert Jenner 2021-03-15 12:22:27 PDT 
http/tests/local/loading-stylesheet-import-remove.html

is flakey image failing in Big Sur wk2 in Release and Debug on apple Silicon Macs only.

HISTORY URL:
https://results.webkit.org/?suite=layout-tests&test=http%2Ftests%2Flocal%2Floading-stylesheet-import-remove.html

I have attached the images from the diff. Indications appear to be only a .01% difference.
Comment 1 Robert Jenner 2021-03-15 12:24:39 PDT 
Created attachment 423218 [details]
Images from DIFF

Attaching the diff images from the image failing test.
Comment 2 Radar WebKit Bug Importer 2021-03-15 12:26:13 PDT 
<rdar://problem/75441408>
Comment 3 Robert Jenner 2021-03-15 12:27:29 PDT 
I could not reproduce the failure because it appears to only occur on an Apple Silicon Mac, and I do not have access to one.
Comment 4 Robert Jenner 2021-03-15 12:37:07 PDT 
Updated test expectations while test is being looked at: 
https://trac.webkit.org/changeset/274431/webkit
Comment 5 Alexey Proskuryakov 2021-03-17 11:26:43 PDT 
Test antialiasing differences again.