<html>
<head>
<base href="https://bugs.webkit.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASSERTION FAILED: !m_buildIsUnderway on fast/media/mq-relative-constraints-08.html"
href="https://bugs.webkit.org/show_bug.cgi?id=159015">159015</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>ASSERTION FAILED: !m_buildIsUnderway on fast/media/mq-relative-constraints-08.html
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>Text
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ap@webkit.org
</td>
</tr>
<tr>
<th>CC</th>
<td>mmaxfield@apple.com
</td>
</tr></table>
<p>
<div>
<pre>Saw this assertion failure on a bot:
ASSERTION FAILED: !m_buildIsUnderway
1 0x10a147200 WTFCrash
2 0x10f5349ff WebCore::CSSFontSelector::fontRangesForFamily(WebCore::FontDescription const&, WTF::AtomicString const&)
3 0x10fa77230 WebCore::realizeNextFallback(WebCore::FontCascadeDescription const&, unsigned int&, WebCore::FontSelector*)
4 0x10fa76c8b WebCore::FontCascadeFonts::realizeFallbackRangesAt(WebCore::FontCascadeDescription const&, unsigned int)
5 0x10f3422f2 WebCore::FontCascadeFonts::primaryFont(WebCore::FontCascadeDescription const&)
6 0x10f34223a WebCore::FontCascade::primaryFont() const
7 0x10f3421a5 WebCore::FontCascade::fontMetrics() const
8 0x110e3cf8a WebCore::RenderStyle::fontMetrics() const
9 0x10f5f8ffe WebCore::CSSPrimitiveValue::computeNonCalcLengthDouble(WebCore::CSSToLengthConversionData const&, unsigned short, double)
10 0x10f5f8cf7 WebCore::CSSPrimitiveValue::computeLengthDouble(WebCore::CSSToLengthConversionData const&) const
11 0x10f5f8c6d int WebCore::CSSPrimitiveValue::computeLength<int>(WebCore::CSSToLengthConversionData const&) const
12 0x1109732da WebCore::computeLength(WebCore::CSSValue*, bool, WebCore::CSSToLengthConversionData const&, int&)
13 0x110972473 WebCore::heightEvaluate(WebCore::CSSValue*, WebCore::CSSToLengthConversionData const&, WebCore::Frame&, WebCore::MediaFeaturePrefix)
14 0x110972a4c WebCore::minHeightEvaluate(WebCore::CSSValue*, WebCore::CSSToLengthConversionData const&, WebCore::Frame&, WebCore::MediaFeaturePrefix)
15 0x110971295 WebCore::MediaQueryEvaluator::evaluate(WebCore::MediaQueryExpression const&) const
16 0x110970fb3 WebCore::MediaQueryEvaluator::evaluate(WebCore::MediaQuerySet const&, WebCore::StyleResolver*) const
17 0x110feeff6 WebCore::RuleSet::addChildRules(WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase>, 0ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::MediaQueryEvaluator const&, WebCore::StyleResolver*, bool, bool, WebCore::AddRuleFlags)
18 0x110fef481 WebCore::RuleSet::addRulesFromSheet(WebCore::StyleSheetContents&, WebCore::MediaQueryEvaluator const&, WebCore::StyleResolver*)
19 0x10f817eb3 WebCore::DocumentRuleSets::appendAuthorStyleSheets(WTF::Vector<WTF::RefPtr<WebCore::CSSStyleSheet>, 0ul, WTF::CrashOnOverflow, 16ul> const&, WebCore::MediaQueryEvaluator*, WebCore::InspectorCSSOMWrappers&, WebCore::StyleResolver*)
20 0x1112bebd9 WebCore::StyleResolver::appendAuthorStyleSheets(WTF::Vector<WTF::RefPtr<WebCore::CSSStyleSheet>, 0ul, WTF::CrashOnOverflow, 16ul> const&)
21 0x10f76b31a WebCore::Document::createStyleResolver()
22 0x10f224dfd WebCore::Document::ensureStyleResolver()
23 0x111302a89 WebCore::Style::TreeResolver::Scope::Scope(WebCore::Document&)
24 0x111302b2d WebCore::Style::TreeResolver::Scope::Scope(WebCore::Document&)
25 0x111306359 WebCore::Style::TreeResolver::resolve(WebCore::Style::Change)
26 0x10f768ae8 WebCore::Document::recalcStyle(WebCore::Style::Change)
27 0x10f75d9f1 WebCore::Document::updateStyleIfNeeded()
28 0x10fb44c2a WebCore::FrameLoader::dispatchUnloadEvents(WebCore::UnloadEventPolicy)
29 0x10fb4478c WebCore::FrameLoader::stopLoading(WebCore::UnloadEventPolicy)
30 0x10fb450a6 WebCore::FrameLoader::closeURL()
31 0x10fb4df08 WebCore::FrameLoader::transitionToCommitted(WebCore::CachedPage*)</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>