Bug 223292 - [ macOS wk2 ARM64 ] fast/table/multiple-captions-crash4.html is a flakey Image failure
Summary: [ macOS wk2 ARM64 ] fast/table/multiple-captions-crash4.html is a flakey Imag...
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: 2021-03-16 17:54 PDT by Robert Jenner
Modified: 2021-03-17 12:22 PDT (History)
7 users (show)

See Also:


Attachments
Diff files for image failure (70.54 KB, application/zip)
2021-03-16 17:57 PDT, Robert Jenner
no flags Details

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Description Robert Jenner 2021-03-16 17:54:28 PDT
fast/table/multiple-captions-crash4.html

is a flakey Image failure in macOS wk 2 in Apple Silicon only.

HISTORY URL:
https://results.webkit.org/?suite=layout-tests&test=fast%2Ftable%2Fmultiple-captions-crash4.html&architecture=arm64

Image Diff files have been attached to this bug.
Comment 1 Robert Jenner 2021-03-16 17:57:01 PDT
Created attachment 423420 [details]
Diff files for image failure

Attaching Diff files of flakey image failure.
Comment 2 Robert Jenner 2021-03-16 18:03:03 PDT
Updated test expectations here to Pass ImageOnlyFailure while test is being reviewed:
https://trac.webkit.org/changeset/274544/webkit
Comment 3 Robert Jenner 2021-03-16 18:03:28 PDT
The failures are only occurring on Apple Silicon Macs, and as such I cannot reproduce them because I do not have access to one.
Comment 4 Radar WebKit Bug Importer 2021-03-16 18:06:47 PDT
<rdar://problem/75504326>
Comment 5 Alexey Proskuryakov 2021-03-17 11:16:03 PDT
The diff is about text antialiasing in unstyled text that just says "Passes if it doesn't crash!"

This seems like it may be a systemic issue, possibly a preceding test leaking rendering state, or a timing issue when switching between modes.

Other than that, why is a "pass if no crash" test even a reftest?