206599 2020-01-22 11:16:46 -0800 [mac-wk1] ASSERTION FAILED: FontCache::singleton().generation() == m_generation seen with accessibility/mac/select-text/select-text-1.html 2020-01-22 11:31:45 -0800 1 1 1 Unclassified WebKit Tools / Tests Other Unspecified Unspecified RESOLVED DUPLICATE 206241 https://bugs.webkit.org/show_bug.cgi?id=206241 P2 Normal --- 1 aakash_jain webkit-unassigned ap ryanhaddad webkit-bot-watchers-bugzilla oldest_to_newest 1609631 0 aakash_jain 2020-01-22 11:16:46 -0800 accessibility/mac/select-text/select-text-1.html is flaky crash on mac wk1. In following EWS builds, it failed in layout-tests step, but passed in subsequent re-run-layout-tests step: https://ews-build.webkit.org/#/builders/32/builds/1164 https://ews-build.webkit.org/#/builders/32/builds/1169 Results dashboard also shows it to be very flaky: https://results.webkit.org/?suite=layout-tests&test=accessibility%2Fmac%2Fselect-text%2Fselect-text-1.html 1609641 1 ryanhaddad 2020-01-22 11:28:21 -0800 ASSERTION FAILED: FontCache::singleton().generation() == m_generation ./platform/graphics/FontCascadeFonts.cpp(180) : const WebCore::FontRanges &WebCore::FontCascadeFonts::realizeFallbackRangesAt(const WebCore::FontCascadeDescription &, unsigned int) 1 0x10aad6b19 WTFCrash 2 0x121054f3b WTFCrashWithInfo(int, char const*, char const*, int) 3 0x1249469ed WebCore::FontCascadeFonts::realizeFallbackRangesAt(WebCore::FontCascadeDescription const&, unsigned int) 4 0x1211f5551 WebCore::FontCascadeFonts::primaryFont(WebCore::FontCascadeDescription const&) 5 0x1211ef5e4 WebCore::FontCascade::primaryFont() const 6 0x123ed8a35 WebCore::FontCascade::fontMetrics() const 7 0x125140775 WebCore::RenderStyle::fontMetrics() const 8 0x1235f9bf1 WebCore::CSSPrimitiveValue::equalForLengthResolution(WebCore::RenderStyle const&, WebCore::RenderStyle const&) 9 0x1252715b4 WebCore::Style::MatchedDeclarationsCache::Entry::isUsableAfterHighPriorityProperties(WebCore::RenderStyle const&) const 10 0x1252bf629 WebCore::Style::Resolver::applyMatchedProperties(WebCore::Style::Resolver::State&, WebCore::Style::MatchResult const&, WebCore::Style::Resolver::UseMatchedDeclarationsCache) 11 0x1252bdfcc WebCore::Style::Resolver::styleForElement(WebCore::Element const&, WebCore::RenderStyle const*, WebCore::RenderStyle const*, WebCore::RuleMatchingBehavior, WebCore::SelectorFilter const*) 12 0x1252eb072 WebCore::Style::TreeResolver::styleForElement(WebCore::Element&, WebCore::RenderStyle const&) 13 0x1252eb59b WebCore::Style::TreeResolver::resolveElement(WebCore::Element&) 14 0x1252ed029 WebCore::Style::TreeResolver::resolveComposedTree() 15 0x1252edde8 WebCore::Style::TreeResolver::resolve() 16 0x12383d11d WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType) 17 0x12383dc8d WebCore::Document::updateStyleIfNeeded() 18 0x123839019 WebCore::Document::updateLayout() 19 0x12383a59e WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks) 20 0x1231e184e WebCore::AccessibilityObject::updateBackingStore() 21 0x1258b042a -[WebAccessibilityObjectWrapperBase updateObjectBackingStore] 22 0x1258bfd05 -[WebAccessibilityObjectWrapper accessibilityAttributeValue:] 23 0x109cc4099 AccessibilityController::accessibleElementById(OpaqueJSString*) 24 0x109cc37fb getAccessibleElementByIdCallback(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) 25 0x10b0eab61 long long JSC::APICallbackFunction::call<JSC::JSCallbackFunction>(JSC::JSGlobalObject*, JSC::CallFrame*) 26 0x261fda601027 27 0x10afed1b9 llint_entry 28 0x10afcfe83 vmEntryToJavaScript 29 0x10bd9f927 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) 30 0x10bd9efd6 JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::JSGlobalObject*, JSC::JSObject*) 31 0x10c10a26c JSC::evaluate(JSC::JSGlobalObject*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) 1609651 2 ryanhaddad 2020-01-22 11:31:45 -0800 I don't see any reason to track this separately from https://bugs.webkit.org/show_bug.cgi?id=206241 *** This bug has been marked as a duplicate of bug 206241 ***