Bug 217392

Summary:	REGRESSION: iOS 14 update caused 20-40 Timeouts
Product:	WebKit	Reporter:	Truitt Savell <tsavell>
Component:	New Bugs	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	ap, webkit-bot-watchers-bugzilla, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=217681

Description Truitt Savell 2020-10-06 10:35:03 PDT

After the update to iOS 14 on openSource the testers began seeing 20-40 timeouts across a variety of tests. there does not seem to be any consistency. 

These tests are the only commonly failing tests:
imported/w3c/web-platform-tests/css/css-cascade/all-prop-initial-xml.html
imported/w3c/web-platform-tests/mathml/relations/css-styling/padding-border-margin/border-002.html
imported/w3c/web-platform-tests/mathml/relations/html5-tree/dynamic-childlist-001.html
imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-no-sink.https.html
imported/w3c/web-platform-tests/mediacapture-record/MediaRecorder-peerconnection.https.html
svg/W3C-I18N/tspan-direction-rtl.svg
webgl/1.0.3/conformance/textures/tex-image-and-sub-image-2d-with-video.html

all others are random.

Build
https://build.webkit.org/builders/Apple-iOS-14-Simulator-Release-WK2-Tests/builds/153

Comment 1 Radar WebKit Bug Importer 2020-10-06 10:35:23 PDT

<rdar://problem/70006402>